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|
package golite
import (
"bytes"
"context"
"database/sql"
"database/sql/driver"
"errors"
"fmt"
"io/ioutil"
"math"
"math/rand"
"net/url"
"os"
"path"
"reflect"
"regexp"
"strconv"
"strings"
"sync"
"testing"
"testing/internal/testdeps"
"time"
)
// The number of rows of test data to create in the source database.
// Can be used to control how many pages are available to be backed up.
const testRowCount = 100
// The maximum number of seconds after which the page-by-page backup is considered to have taken too long.
const usePagePerStepsTimeoutSeconds = 30
// Test the backup functionality.
func testBackup(t *testing.T, testRowCount int, usePerPageSteps bool) {
// This function will be called multiple times.
// It uses sql.Register(), which requires the name parameter value to be unique.
// There does not currently appear to be a way to unregister a registered driver, however.
// So generate a database driver name that will likely be unique.
var driverName = fmt.Sprintf("sqlite3_testBackup_%v_%v_%v", testRowCount, usePerPageSteps, time.Now().UnixNano())
// The driver's connection will be needed in order to perform the backup.
driverConns := []*SQLiteConn{}
sql.Register(driverName, &SQLiteDriver{
ConnectHook: func(conn *SQLiteConn) error {
driverConns = append(driverConns, conn)
return nil
},
})
// Connect to the source database.
srcTempFilename := "file:src?mode=memory&cache=shared"
srcDb, err := sql.Open(driverName, srcTempFilename)
if err != nil {
t.Fatal("Failed to open the source database:", err)
}
defer srcDb.Close()
err = srcDb.Ping()
if err != nil {
t.Fatal("Failed to connect to the source database:", err)
}
// Connect to the destination database.
destTempFilename := "file:dst?mode=memory&cache=shared"
destDb, err := sql.Open(driverName, destTempFilename)
if err != nil {
t.Fatal("Failed to open the destination database:", err)
}
defer destDb.Close()
err = destDb.Ping()
if err != nil {
t.Fatal("Failed to connect to the destination database:", err)
}
// Check the driver connections.
if len(driverConns) != 2 {
t.Fatalf("Expected 2 driver connections, but found %v.", len(driverConns))
}
srcDbDriverConn := driverConns[0]
if srcDbDriverConn == nil {
t.Fatal("The source database driver connection is nil.")
}
destDbDriverConn := driverConns[1]
if destDbDriverConn == nil {
t.Fatal("The destination database driver connection is nil.")
}
// Generate some test data for the given ID.
var generateTestData = func(id int) string {
return fmt.Sprintf("test-%v", id)
}
// Populate the source database with a test table containing some test data.
tx, err := srcDb.Begin()
if err != nil {
t.Fatal("Failed to begin a transaction when populating the source database:", err)
}
_, err = srcDb.Exec("CREATE TABLE test (id INTEGER PRIMARY KEY, value TEXT)")
if err != nil {
tx.Rollback()
t.Fatal("Failed to create the source database \"test\" table:", err)
}
for id := 0; id < testRowCount; id++ {
_, err = srcDb.Exec("INSERT INTO test (id, value) VALUES (?, ?)", id, generateTestData(id))
if err != nil {
tx.Rollback()
t.Fatal("Failed to insert a row into the source database \"test\" table:", err)
}
}
err = tx.Commit()
if err != nil {
t.Fatal("Failed to populate the source database:", err)
}
// Confirm that the destination database is initially empty.
var destTableCount int
err = destDb.QueryRow("SELECT COUNT(*) FROM sqlite_master WHERE type = 'table'").Scan(&destTableCount)
if err != nil {
t.Fatal("Failed to check the destination table count:", err)
}
if destTableCount != 0 {
t.Fatalf("The destination database is not empty; %v table(s) found.", destTableCount)
}
// Prepare to perform the backup.
backup, err := destDbDriverConn.Backup("main", srcDbDriverConn, "main")
if err != nil {
t.Fatal("Failed to initialize the backup:", err)
}
// Allow the initial page count and remaining values to be retrieved.
// According to <https://www.sqlite.org/c3ref/backup_finish.html>, the page count and remaining values are "... only updated by sqlite3_backup_step()."
isDone, err := backup.Step(0)
if err != nil {
t.Fatal("Unable to perform an initial 0-page backup step:", err)
}
if isDone {
t.Fatal("Backup is unexpectedly done.")
}
// Check that the page count and remaining values are reasonable.
initialPageCount := backup.PageCount()
if initialPageCount <= 0 {
t.Fatalf("Unexpected initial page count value: %v", initialPageCount)
}
initialRemaining := backup.Remaining()
if initialRemaining <= 0 {
t.Fatalf("Unexpected initial remaining value: %v", initialRemaining)
}
if initialRemaining != initialPageCount {
t.Fatalf("Initial remaining value differs from the initial page count value; remaining: %v; page count: %v", initialRemaining, initialPageCount)
}
// Perform the backup.
if usePerPageSteps {
var startTime = time.Now().Unix()
// Test backing-up using a page-by-page approach.
var latestRemaining = initialRemaining
for {
// Perform the backup step.
isDone, err = backup.Step(1)
if err != nil {
t.Fatal("Failed to perform a backup step:", err)
}
// The page count should remain unchanged from its initial value.
currentPageCount := backup.PageCount()
if currentPageCount != initialPageCount {
t.Fatalf("Current page count differs from the initial page count; initial page count: %v; current page count: %v", initialPageCount, currentPageCount)
}
// There should now be one less page remaining.
currentRemaining := backup.Remaining()
expectedRemaining := latestRemaining - 1
if currentRemaining != expectedRemaining {
t.Fatalf("Unexpected remaining value; expected remaining value: %v; actual remaining value: %v", expectedRemaining, currentRemaining)
}
latestRemaining = currentRemaining
if isDone {
break
}
// Limit the runtime of the backup attempt.
if (time.Now().Unix() - startTime) > usePagePerStepsTimeoutSeconds {
t.Fatal("Backup is taking longer than expected.")
}
}
} else {
// Test the copying of all remaining pages.
isDone, err = backup.Step(-1)
if err != nil {
t.Fatal("Failed to perform a backup step:", err)
}
if !isDone {
t.Fatal("Backup is unexpectedly not done.")
}
}
// Check that the page count and remaining values are reasonable.
finalPageCount := backup.PageCount()
if finalPageCount != initialPageCount {
t.Fatalf("Final page count differs from the initial page count; initial page count: %v; final page count: %v", initialPageCount, finalPageCount)
}
finalRemaining := backup.Remaining()
if finalRemaining != 0 {
t.Fatalf("Unexpected remaining value: %v", finalRemaining)
}
// Finish the backup.
err = backup.Finish()
if err != nil {
t.Fatal("Failed to finish backup:", err)
}
// Confirm that the "test" table now exists in the destination database.
var doesTestTableExist bool
err = destDb.QueryRow("SELECT EXISTS (SELECT 1 FROM sqlite_master WHERE type = 'table' AND name = 'test' LIMIT 1) AS test_table_exists").Scan(&doesTestTableExist)
if err != nil {
t.Fatal("Failed to check if the \"test\" table exists in the destination database:", err)
}
if !doesTestTableExist {
t.Fatal("The \"test\" table could not be found in the destination database.")
}
// Confirm that the number of rows in the destination database's "test" table matches that of the source table.
var actualTestTableRowCount int
err = destDb.QueryRow("SELECT COUNT(*) FROM test").Scan(&actualTestTableRowCount)
if err != nil {
t.Fatal("Failed to determine the rowcount of the \"test\" table in the destination database:", err)
}
if testRowCount != actualTestTableRowCount {
t.Fatalf("Unexpected destination \"test\" table row count; expected: %v; found: %v", testRowCount, actualTestTableRowCount)
}
// Check each of the rows in the destination database.
for id := 0; id < testRowCount; id++ {
var checkedValue string
err = destDb.QueryRow("SELECT value FROM test WHERE id = ?", id).Scan(&checkedValue)
if err != nil {
t.Fatal("Failed to query the \"test\" table in the destination database:", err)
}
var expectedValue = generateTestData(id)
if checkedValue != expectedValue {
t.Fatalf("Unexpected value in the \"test\" table in the destination database; expected value: %v; actual value: %v", expectedValue, checkedValue)
}
}
}
func TestBackupStepByStep(t *testing.T) {
testBackup(t, testRowCount, true)
}
func TestBackupAllRemainingPages(t *testing.T) {
testBackup(t, testRowCount, false)
}
// Test the error reporting when preparing to perform a backup.
func TestBackupError(t *testing.T) {
const driverName = "sqlite3_TestBackupError"
// The driver's connection will be needed in order to perform the backup.
var dbDriverConn *SQLiteConn
sql.Register(driverName, &SQLiteDriver{
ConnectHook: func(conn *SQLiteConn) error {
dbDriverConn = conn
return nil
},
})
// Connect to the database.
db, err := sql.Open(driverName, ":memory:")
if err != nil {
t.Fatal("Failed to open the database:", err)
}
defer db.Close()
db.Ping()
// Need the driver connection in order to perform the backup.
if dbDriverConn == nil {
t.Fatal("Failed to get the driver connection.")
}
// Prepare to perform the backup.
// Intentionally using the same connection for both the source and destination databases, to trigger an error result.
backup, err := dbDriverConn.Backup("main", dbDriverConn, "main")
if err == nil {
t.Fatal("Failed to get the expected error result.")
}
const expectedError = "source and destination must be distinct"
if err.Error() != expectedError {
t.Fatalf("Unexpected error message; expected value: \"%v\"; actual value: \"%v\"", expectedError, err.Error())
}
if backup != nil {
t.Fatal("Failed to get the expected nil backup result.")
}
}
func TestCallbackArgCast(t *testing.T) {
intConv := callbackSyntheticForTests(reflect.ValueOf(int64(math.MaxInt64)), nil)
floatConv := callbackSyntheticForTests(reflect.ValueOf(float64(math.MaxFloat64)), nil)
errConv := callbackSyntheticForTests(reflect.Value{}, errors.New("test"))
tests := []struct {
f callbackArgConverter
o reflect.Value
}{
{intConv, reflect.ValueOf(int8(-1))},
{intConv, reflect.ValueOf(int16(-1))},
{intConv, reflect.ValueOf(int32(-1))},
{intConv, reflect.ValueOf(uint8(math.MaxUint8))},
{intConv, reflect.ValueOf(uint16(math.MaxUint16))},
{intConv, reflect.ValueOf(uint32(math.MaxUint32))},
// Special case, int64->uint64 is only 1<<63 - 1, not 1<<64 - 1
{intConv, reflect.ValueOf(uint64(math.MaxInt64))},
{floatConv, reflect.ValueOf(float32(math.Inf(1)))},
}
for _, test := range tests {
conv := callbackArgCast{test.f, test.o.Type()}
val, err := conv.Run(nil)
if err != nil {
t.Errorf("Couldn't convert to %s: %s", test.o.Type(), err)
} else if !reflect.DeepEqual(val.Interface(), test.o.Interface()) {
t.Errorf("Unexpected result from converting to %s: got %v, want %v", test.o.Type(), val.Interface(), test.o.Interface())
}
}
conv := callbackArgCast{errConv, reflect.TypeOf(int8(0))}
_, err := conv.Run(nil)
if err == nil {
t.Errorf("Expected error during callbackArgCast, but got none")
}
}
func TestCallbackConverters(t *testing.T) {
tests := []struct {
v any
err bool
}{
// Unfortunately, we can't tell which converter was returned,
// but we can at least check which types can be converted.
{[]byte{0}, false},
{"text", false},
{true, false},
{int8(0), false},
{int16(0), false},
{int32(0), false},
{int64(0), false},
{uint8(0), false},
{uint16(0), false},
{uint32(0), false},
{uint64(0), false},
{int(0), false},
{uint(0), false},
{float64(0), false},
{float32(0), false},
{func() {}, true},
{complex64(complex(0, 0)), true},
{complex128(complex(0, 0)), true},
{struct{}{}, true},
{map[string]string{}, true},
{[]string{}, true},
{(*int8)(nil), true},
{make(chan int), true},
}
for _, test := range tests {
_, err := callbackArg(reflect.TypeOf(test.v))
if test.err && err == nil {
t.Errorf("Expected an error when converting %s, got no error", reflect.TypeOf(test.v))
} else if !test.err && err != nil {
t.Errorf("Expected converter when converting %s, got error: %s", reflect.TypeOf(test.v), err)
}
}
for _, test := range tests {
_, err := callbackRet(reflect.TypeOf(test.v))
if test.err && err == nil {
t.Errorf("Expected an error when converting %s, got no error", reflect.TypeOf(test.v))
} else if !test.err && err != nil {
t.Errorf("Expected converter when converting %s, got error: %s", reflect.TypeOf(test.v), err)
}
}
}
func TestCallbackReturnAny(t *testing.T) {
udf := func() any {
return 1
}
typ := reflect.TypeOf(udf)
_, err := callbackRet(typ.Out(0))
if err != nil {
t.Errorf("Expected valid callback for any return type, got: %s", err)
}
}
func TestSimpleError(t *testing.T) {
e := ErrError.Error()
if e != "SQL logic error or missing database" && e != "SQL logic error" {
t.Error("wrong error code: " + e)
}
}
func TestCorruptDbErrors(t *testing.T) {
dirName, err := ioutil.TempDir("", "sqlite3")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(dirName)
dbFileName := path.Join(dirName, "test.db")
f, err := os.Create(dbFileName)
if err != nil {
t.Error(err)
}
f.Write([]byte{1, 2, 3, 4, 5})
f.Close()
db, err := sql.Open("sqlite3", dbFileName)
if err == nil {
_, err = db.Exec("drop table foo")
}
sqliteErr := err.(Error)
if sqliteErr.Code != ErrNotADB {
t.Error("wrong error code for corrupted DB")
}
if err.Error() == "" {
t.Error("wrong error string for corrupted DB")
}
db.Close()
}
func TestSqlLogicErrors(t *testing.T) {
dirName, err := ioutil.TempDir("", "sqlite3")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(dirName)
db, err := sql.Open("sqlite3", ":memory:")
if err != nil {
t.Error(err)
}
defer db.Close()
_, err = db.Exec("CREATE TABLE Foo (id INTEGER PRIMARY KEY)")
if err != nil {
t.Error(err)
}
const expectedErr = "table Foo already exists"
_, err = db.Exec("CREATE TABLE Foo (id INTEGER PRIMARY KEY)")
if err.Error() != expectedErr {
t.Errorf("Unexpected error: %s, expected %s", err.Error(), expectedErr)
}
}
func TestExtendedErrorCodes_ForeignKey(t *testing.T) {
dirName, err := ioutil.TempDir("", "sqlite3-err")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(dirName)
db, err := sql.Open("sqlite3", ":memory:")
if err != nil {
t.Error(err)
}
defer db.Close()
_, err = db.Exec("PRAGMA foreign_keys=ON;")
if err != nil {
t.Errorf("PRAGMA foreign_keys=ON: %v", err)
}
_, err = db.Exec(`CREATE TABLE Foo (
id INTEGER PRIMARY KEY AUTOINCREMENT,
value INTEGER NOT NULL,
ref INTEGER NULL REFERENCES Foo (id),
UNIQUE(value)
);`)
if err != nil {
t.Error(err)
}
_, err = db.Exec("INSERT INTO Foo (ref, value) VALUES (100, 100);")
if err == nil {
t.Error("No error!")
} else {
sqliteErr := err.(Error)
if sqliteErr.Code != ErrConstraint {
t.Errorf("Wrong basic error code: %d != %d",
sqliteErr.Code, ErrConstraint)
}
if sqliteErr.ExtendedCode != ErrConstraintForeignKey {
t.Errorf("Wrong extended error code: %d != %d",
sqliteErr.ExtendedCode, ErrConstraintForeignKey)
}
}
}
func TestExtendedErrorCodes_NotNull(t *testing.T) {
dirName, err := ioutil.TempDir("", "sqlite3-err")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(dirName)
db, err := sql.Open("sqlite3", ":memory:")
if err != nil {
t.Error(err)
}
defer db.Close()
_, err = db.Exec("PRAGMA foreign_keys=ON;")
if err != nil {
t.Errorf("PRAGMA foreign_keys=ON: %v", err)
}
_, err = db.Exec(`CREATE TABLE Foo (
id INTEGER PRIMARY KEY AUTOINCREMENT,
value INTEGER NOT NULL,
ref INTEGER NULL REFERENCES Foo (id),
UNIQUE(value)
);`)
if err != nil {
t.Error(err)
}
res, err := db.Exec("INSERT INTO Foo (value) VALUES (100);")
if err != nil {
t.Fatalf("Creating first row: %v", err)
}
id, err := res.LastInsertId()
if err != nil {
t.Fatalf("Retrieving last insert id: %v", err)
}
_, err = db.Exec("INSERT INTO Foo (ref) VALUES (?);", id)
if err == nil {
t.Error("No error!")
} else {
sqliteErr := err.(Error)
if sqliteErr.Code != ErrConstraint {
t.Errorf("Wrong basic error code: %d != %d",
sqliteErr.Code, ErrConstraint)
}
if sqliteErr.ExtendedCode != ErrConstraintNotNull {
t.Errorf("Wrong extended error code: %d != %d",
sqliteErr.ExtendedCode, ErrConstraintNotNull)
}
}
}
func TestExtendedErrorCodes_Unique(t *testing.T) {
dirName, err := ioutil.TempDir("", "sqlite3-err")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(dirName)
db, err := sql.Open("sqlite3", ":memory:")
if err != nil {
t.Error(err)
}
defer db.Close()
_, err = db.Exec("PRAGMA foreign_keys=ON;")
if err != nil {
t.Errorf("PRAGMA foreign_keys=ON: %v", err)
}
_, err = db.Exec(`CREATE TABLE Foo (
id INTEGER PRIMARY KEY AUTOINCREMENT,
value INTEGER NOT NULL,
ref INTEGER NULL REFERENCES Foo (id),
UNIQUE(value)
);`)
if err != nil {
t.Error(err)
}
res, err := db.Exec("INSERT INTO Foo (value) VALUES (100);")
if err != nil {
t.Fatalf("Creating first row: %v", err)
}
id, err := res.LastInsertId()
if err != nil {
t.Fatalf("Retrieving last insert id: %v", err)
}
_, err = db.Exec("INSERT INTO Foo (ref, value) VALUES (?, 100);", id)
if err == nil {
t.Error("No error!")
} else {
sqliteErr := err.(Error)
if sqliteErr.Code != ErrConstraint {
t.Errorf("Wrong basic error code: %d != %d",
sqliteErr.Code, ErrConstraint)
}
if sqliteErr.ExtendedCode != ErrConstraintUnique {
t.Errorf("Wrong extended error code: %d != %d",
sqliteErr.ExtendedCode, ErrConstraintUnique)
}
extended := sqliteErr.Code.Extend(3).Error()
expected := "constraint failed"
if extended != expected {
t.Errorf("Wrong basic error code: %q != %q",
extended, expected)
}
}
}
func TestError_SystemErrno(t *testing.T) {
_, n, _ := LibVersion()
if n < 3012000 {
t.Skip("sqlite3_system_errno requires sqlite3 >= 3.12.0")
}
// open a non-existent database in read-only mode so we get an IO error.
db, err := sql.Open("sqlite3", "file:nonexistent.db?mode=ro")
if err != nil {
t.Fatal(err)
}
defer db.Close()
err = db.Ping()
if err == nil {
t.Fatal("expected error pinging read-only non-existent database, but got nil")
}
serr, ok := err.(Error)
if !ok {
t.Fatalf("expected error to be of type Error, but got %[1]T %[1]v", err)
}
if serr.SystemErrno == 0 {
t.Fatal("expected SystemErrno to be set")
}
if !os.IsNotExist(serr.SystemErrno) {
t.Errorf("expected SystemErrno to be a not exists error, but got %v", serr.SystemErrno)
}
}
func TestBeginTxCancel(t *testing.T) {
db, err := sql.Open("sqlite3", ":memory:")
if err != nil {
t.Fatal(err)
}
db.SetMaxOpenConns(10)
db.SetMaxIdleConns(5)
defer db.Close()
initDatabase(t, db, 100)
// create several go-routines to expose racy issue
for i := 0; i < 1000; i++ {
func() {
ctx, cancel := context.WithCancel(context.Background())
conn, err := db.Conn(ctx)
if err != nil {
t.Fatal(err)
}
defer func() {
if err := conn.Close(); err != nil {
t.Error(err)
}
}()
err = conn.Raw(func(driverConn any) error {
d, ok := driverConn.(driver.ConnBeginTx)
if !ok {
t.Fatal("unexpected: wrong type")
}
// checks that conn.Raw can be used to get *SQLiteConn
if _, ok = driverConn.(*SQLiteConn); !ok {
t.Fatalf("conn.Raw() driverConn type=%T, expected *SQLiteConn", driverConn)
}
go cancel() // make it cancel concurrently with exec("BEGIN");
tx, err := d.BeginTx(ctx, driver.TxOptions{})
switch err {
case nil:
switch err := tx.Rollback(); err {
case nil, sql.ErrTxDone:
default:
return err
}
case context.Canceled:
default:
// must not fail with "cannot start a transaction within a transaction"
return err
}
return nil
})
if err != nil {
t.Fatal(err)
}
}()
}
}
func TestStmtReadonly(t *testing.T) {
db, err := sql.Open("sqlite3", ":memory:")
if err != nil {
t.Fatal(err)
}
defer db.Close()
_, err = db.Exec("CREATE TABLE t (count INT)")
if err != nil {
t.Fatal(err)
}
isRO := func(query string) bool {
c, err := db.Conn(context.Background())
if err != nil {
return false
}
var ro bool
c.Raw(func(dc any) error {
stmt, err := dc.(*SQLiteConn).Prepare(query)
if err != nil {
return err
}
if stmt == nil {
return errors.New("stmt is nil")
}
ro = stmt.(*SQLiteStmt).Readonly()
return nil
})
return ro // On errors ro will remain false.
}
if !isRO(`select * from t`) {
t.Error("select not seen as read-only")
}
if isRO(`insert into t values (1), (2)`) {
t.Error("insert seen as read-only")
}
}
func TestNamedParams(t *testing.T) {
db, err := sql.Open("sqlite3", ":memory:")
if err != nil {
t.Fatal("Failed to open database:", err)
}
defer db.Close()
_, err = db.Exec(`
create table foo (id integer, name text, extra text);
`)
if err != nil {
t.Error("Failed to call db.Query:", err)
}
_, err = db.Exec(`insert into foo(id, name, extra) values(:id, :name, :name)`, sql.Named("name", "foo"), sql.Named("id", 1))
if err != nil {
t.Error("Failed to call db.Exec:", err)
}
row := db.QueryRow(`select id, extra from foo where id = :id and extra = :extra`, sql.Named("id", 1), sql.Named("extra", "foo"))
if row == nil {
t.Error("Failed to call db.QueryRow")
}
var id int
var extra string
err = row.Scan(&id, &extra)
if err != nil {
t.Error("Failed to db.Scan:", err)
}
if id != 1 || extra != "foo" {
t.Error("Failed to db.QueryRow: not matched results")
}
}
var (
testTableStatements = []string{
`DROP TABLE IF EXISTS test_table`,
`
CREATE TABLE IF NOT EXISTS test_table (
key1 VARCHAR(64) PRIMARY KEY,
key_id VARCHAR(64) NOT NULL,
key2 VARCHAR(64) NOT NULL,
key3 VARCHAR(64) NOT NULL,
key4 VARCHAR(64) NOT NULL,
key5 VARCHAR(64) NOT NULL,
key6 VARCHAR(64) NOT NULL,
data BLOB NOT NULL
);`,
}
letterBytes = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
)
func randStringBytes(n int) string {
b := make([]byte, n)
for i := range b {
b[i] = letterBytes[rand.Intn(len(letterBytes))]
}
return string(b)
}
func initDatabase(t *testing.T, db *sql.DB, rowCount int64) {
for _, query := range testTableStatements {
_, err := db.Exec(query)
if err != nil {
t.Fatal(err)
}
}
for i := int64(0); i < rowCount; i++ {
query := `INSERT INTO test_table
(key1, key_id, key2, key3, key4, key5, key6, data)
VALUES
(?, ?, ?, ?, ?, ?, ?, ?);`
args := []interface{}{
randStringBytes(50),
fmt.Sprint(i),
randStringBytes(50),
randStringBytes(50),
randStringBytes(50),
randStringBytes(50),
randStringBytes(50),
randStringBytes(50),
randStringBytes(2048),
}
_, err := db.Exec(query, args...)
if err != nil {
t.Fatal(err)
}
}
}
func TestShortTimeout(t *testing.T) {
db, err := sql.Open("sqlite3", ":memory:")
if err != nil {
t.Fatal(err)
}
defer db.Close()
initDatabase(t, db, 100)
ctx, cancel := context.WithTimeout(context.Background(), 1*time.Microsecond)
defer cancel()
query := `SELECT key1, key_id, key2, key3, key4, key5, key6, data
FROM test_table
ORDER BY key2 ASC`
_, err = db.QueryContext(ctx, query)
if err != nil && err != context.DeadlineExceeded {
t.Fatal(err)
}
if ctx.Err() != nil && ctx.Err() != context.DeadlineExceeded {
t.Fatal(ctx.Err())
}
}
func TestExecContextCancel(t *testing.T) {
db, err := sql.Open("sqlite3", "file:exec?mode=memory&cache=shared")
if err != nil {
t.Fatal(err)
}
defer db.Close()
ts := time.Now()
initDatabase(t, db, 1000)
spent := time.Since(ts)
const minTestTime = 100 * time.Millisecond
if spent < minTestTime && false {
t.Skipf("test will be too racy (spent=%s < min=%s) as ExecContext below will be too fast.",
spent.String(), minTestTime.String(),
)
}
// expected to be extremely slow query
q := `
INSERT INTO test_table (key1, key_id, key2, key3, key4, key5, key6, data)
SELECT t1.key1 || t2.key1, t1.key_id || t2.key_id, t1.key2 || t2.key2, t1.key3 || t2.key3, t1.key4 || t2.key4, t1.key5 || t2.key5, t1.key6 || t2.key6, t1.data || t2.data
FROM test_table t1 LEFT OUTER JOIN test_table t2`
// expect query above take ~ same time as setup above
// This is racy: the context must be valid so sql/db.ExecContext calls the sqlite3 driver.
// It starts the query, the context expires, then calls sqlite3_interrupt
ctx, cancel := context.WithTimeout(context.Background(), minTestTime/2)
defer cancel()
ts = time.Now()
r, err := db.ExecContext(ctx, q)
// racy check
if r != nil {
n, err := r.RowsAffected()
t.Logf("query should not have succeeded: rows=%d; err=%v; duration=%s",
n, err, time.Since(ts).String())
}
if err != context.DeadlineExceeded {
t.Fatal(err, ctx.Err())
}
}
func TestQueryRowContextCancel(t *testing.T) {
// FIXME: too slow
return
db, err := sql.Open("sqlite3", "file:query?mode=memory&cache=shared")
if err != nil {
t.Fatal(err)
}
defer db.Close()
initDatabase(t, db, 100)
const query = `SELECT key_id FROM test_table ORDER BY key2 ASC`
var keyID string
unexpectedErrors := make(map[string]int)
for i := 0; i < 10000; i++ {
ctx, cancel := context.WithCancel(context.Background())
row := db.QueryRowContext(ctx, query)
cancel()
// it is fine to get "nil" as context cancellation can be handled with delay
if err := row.Scan(&keyID); err != nil && err != context.Canceled {
if err.Error() == "sql: Rows are closed" {
// see https://github.com/golang/go/issues/24431
// fixed in 1.11.1 to properly return context error
continue
}
unexpectedErrors[err.Error()]++
}
}
for errText, count := range unexpectedErrors {
t.Error(errText, count)
}
}
func TestQueryRowContextCancelParallel(t *testing.T) {
return // FIXME: too slow
db, err := sql.Open("sqlite3", "file:parallel?mode=memory&cache=shared")
if err != nil {
t.Fatal(err)
}
db.SetMaxOpenConns(10)
db.SetMaxIdleConns(5)
defer db.Close()
initDatabase(t, db, 100)
const query = `SELECT key_id FROM test_table ORDER BY key2 ASC`
wg := sync.WaitGroup{}
defer wg.Wait()
testCtx, cancel := context.WithCancel(context.Background())
defer cancel()
for i := 0; i < 10; i++ {
wg.Add(1)
go func() {
defer wg.Done()
var keyID string
for {
select {
case <-testCtx.Done():
return
default:
}
ctx, cancel := context.WithCancel(context.Background())
row := db.QueryRowContext(ctx, query)
cancel()
_ = row.Scan(&keyID) // see TestQueryRowContextCancel
}
}()
}
var keyID string
for i := 0; i < 10000; i++ {
// note that testCtx is not cancelled during query execution
row := db.QueryRowContext(testCtx, query)
if err := row.Scan(&keyID); err != nil {
t.Fatal(i, err)
}
}
}
func TestExecCancel(t *testing.T) {
db, err := sql.Open("sqlite3", ":memory:")
if err != nil {
t.Fatal(err)
}
defer db.Close()
if _, err = db.Exec("create table foo (id integer primary key)"); err != nil {
t.Fatal(err)
}
for n := 0; n < 100; n++ {
ctx, cancel := context.WithCancel(context.Background())
_, err = db.ExecContext(ctx, "insert into foo (id) values (?)", n)
cancel()
if err != nil {
t.Fatal(err)
}
}
}
func doTestOpenContext(t *testing.T, url string) (string, error) {
db, err := sql.Open("sqlite3", url)
if err != nil {
return "Failed to open database:", err
}
defer func() {
err = db.Close()
if err != nil {
t.Error("db close error:", err)
}
}()
ctx, cancel := context.WithTimeout(context.Background(), 55*time.Second)
err = db.PingContext(ctx)
cancel()
if err != nil {
return "ping error:", err
}
ctx, cancel = context.WithTimeout(context.Background(), 55*time.Second)
_, err = db.ExecContext(ctx, "drop table foo")
cancel()
ctx, cancel = context.WithTimeout(context.Background(), 55*time.Second)
_, err = db.ExecContext(ctx, "create table foo (id integer)")
cancel()
if err != nil {
return "Failed to create table:", err
}
return "", nil
}
func TestOpenContext(t *testing.T) {
cases := map[string]bool{
"file:openctx1?mode=memory&cache=shared": true,
"file:openctx2?mode=memory&cache=shared&_txlock=immediate": true,
"file:openctx3?mode=memory&cache=shared&_txlock=deferred": true,
"file:openctx4?mode=memory&cache=shared&_txlock=exclusive": true,
"file:openctx5?mode=memory&cache=shared&_txlock=bogus": false,
}
for option, expectedPass := range cases {
result, err := doTestOpenContext(t, option)
if result == "" {
if !expectedPass {
errmsg := fmt.Sprintf("_txlock error not caught at dbOpen with option: %s", option)
t.Fatal(errmsg)
}
} else if expectedPass {
if err == nil {
t.Fatal(result)
} else {
t.Fatal(result, err)
}
}
}
}
func TestFileCopyTruncate(t *testing.T) {
var err error
tempFilename := TempFilename(t)
defer func() {
err = os.Remove(tempFilename)
if err != nil {
t.Error("temp file remove error:", err)
}
}()
db, err := sql.Open("sqlite3", tempFilename)
if err != nil {
t.Fatal("open error:", err)
}
defer func() {
err = db.Close()
if err != nil {
t.Error("db close error:", err)
}
}()
ctx, cancel := context.WithTimeout(context.Background(), 55*time.Second)
err = db.PingContext(ctx)
cancel()
if err != nil {
t.Fatal("ping error:", err)
}
ctx, cancel = context.WithTimeout(context.Background(), 55*time.Second)
_, err = db.ExecContext(ctx, "drop table foo")
cancel()
ctx, cancel = context.WithTimeout(context.Background(), 55*time.Second)
_, err = db.ExecContext(ctx, "create table foo (id integer)")
cancel()
if err != nil {
t.Fatal("create table error:", err)
}
// copy db to new file
var data []byte
data, err = ioutil.ReadFile(tempFilename)
if err != nil {
t.Fatal("read file error:", err)
}
var f *os.File
f, err = os.Create(tempFilename + "-db-copy")
if err != nil {
t.Fatal("create file error:", err)
}
defer func() {
err = os.Remove(tempFilename + "-db-copy")
if err != nil {
t.Error("temp file moved remove error:", err)
}
}()
_, err = f.Write(data)
if err != nil {
f.Close()
t.Fatal("write file error:", err)
}
err = f.Close()
if err != nil {
t.Fatal("close file error:", err)
}
// truncate current db file
f, err = os.OpenFile(tempFilename, os.O_WRONLY|os.O_TRUNC, 0666)
if err != nil {
t.Fatal("open file error:", err)
}
err = f.Close()
if err != nil {
t.Fatal("close file error:", err)
}
// test db after file truncate
ctx, cancel = context.WithTimeout(context.Background(), 55*time.Second)
err = db.PingContext(ctx)
cancel()
if err != nil {
t.Fatal("ping error:", err)
}
ctx, cancel = context.WithTimeout(context.Background(), 55*time.Second)
_, err = db.ExecContext(ctx, "drop table foo")
cancel()
if err == nil {
t.Fatal("drop table no error")
}
ctx, cancel = context.WithTimeout(context.Background(), 55*time.Second)
_, err = db.ExecContext(ctx, "create table foo (id integer)")
cancel()
if err != nil {
t.Fatal("create table error:", err)
}
err = db.Close()
if err != nil {
t.Error("db close error:", err)
}
// test copied file
db, err = sql.Open("sqlite3", tempFilename+"-db-copy")
if err != nil {
t.Fatal("open error:", err)
}
defer func() {
err = db.Close()
if err != nil {
t.Error("db close error:", err)
}
}()
ctx, cancel = context.WithTimeout(context.Background(), 55*time.Second)
err = db.PingContext(ctx)
cancel()
if err != nil {
t.Fatal("ping error:", err)
}
ctx, cancel = context.WithTimeout(context.Background(), 55*time.Second)
_, err = db.ExecContext(ctx, "drop table foo")
cancel()
if err != nil {
t.Fatal("drop table error:", err)
}
ctx, cancel = context.WithTimeout(context.Background(), 55*time.Second)
_, err = db.ExecContext(ctx, "create table foo (id integer)")
cancel()
if err != nil {
t.Fatal("create table error:", err)
}
}
func TestExtensionsError(t *testing.T) {
sql.Register("sqlite3_TestExtensionsError",
&SQLiteDriver{
Extensions: []string{
"foobar",
},
},
)
db, err := sql.Open("sqlite3_TestExtensionsError", ":memory:")
if err != nil {
t.Fatal(err)
}
defer db.Close()
err = db.Ping()
if err == nil {
t.Fatal("expected error loading non-existent extension")
}
if err.Error() == "not an error" {
t.Fatal("expected error from sqlite3_enable_load_extension to be returned")
}
}
func TestLoadExtensionError(t *testing.T) {
sql.Register("sqlite3_TestLoadExtensionError",
&SQLiteDriver{
ConnectHook: func(c *SQLiteConn) error {
return c.LoadExtension("foobar", "")
},
},
)
db, err := sql.Open("sqlite3_TestLoadExtensionError", ":memory:")
if err != nil {
t.Fatal(err)
}
defer db.Close()
err = db.Ping()
if err == nil {
t.Fatal("expected error loading non-existent extension")
}
if err.Error() == "not an error" {
t.Fatal("expected error from sqlite3_enable_load_extension to be returned")
}
}
func TestColumnTableName(t *testing.T) {
d := SQLiteDriver{}
conn, err := d.Open(":memory:")
if err != nil {
t.Fatal("failed to get database connection:", err)
}
defer conn.Close()
sqlite3conn := conn.(*SQLiteConn)
_, err = sqlite3conn.Exec(`CREATE TABLE foo (name string)`, nil)
if err != nil {
t.Fatal("Failed to create table:", err)
}
_, err = sqlite3conn.Exec(`CREATE TABLE bar (name string)`, nil)
if err != nil {
t.Fatal("Failed to create table:", err)
}
stmt, err := sqlite3conn.Prepare(`SELECT * FROM foo JOIN bar ON foo.name = bar.name`)
if err != nil {
t.Fatal(err)
}
if exp, got := "foo", stmt.(*SQLiteStmt).ColumnTableName(0); exp != got {
t.Fatalf("Incorrect table name returned expected: %s, got: %s", exp, got)
}
if exp, got := "bar", stmt.(*SQLiteStmt).ColumnTableName(1); exp != got {
t.Fatalf("Incorrect table name returned expected: %s, got: %s", exp, got)
}
if exp, got := "", stmt.(*SQLiteStmt).ColumnTableName(2); exp != got {
t.Fatalf("Incorrect table name returned expected: %s, got: %s", exp, got)
}
}
func TestFTS3(t *testing.T) {
db, err := sql.Open("sqlite3", ":memory:")
if err != nil {
t.Fatal("Failed to open database:", err)
}
defer db.Close()
_, err = db.Exec("DROP TABLE foo")
_, err = db.Exec("CREATE VIRTUAL TABLE foo USING fts3(id INTEGER PRIMARY KEY, value TEXT)")
if err != nil {
t.Fatal("Failed to create table:", err)
}
_, err = db.Exec("INSERT INTO foo(id, value) VALUES(?, ?)", 1, `今日の 晩御飯は 天麩羅よ`)
if err != nil {
t.Fatal("Failed to insert value:", err)
}
_, err = db.Exec("INSERT INTO foo(id, value) VALUES(?, ?)", 2, `今日は いい 天気だ`)
if err != nil {
t.Fatal("Failed to insert value:", err)
}
rows, err := db.Query("SELECT id, value FROM foo WHERE value MATCH '今日* 天*'")
if err != nil {
t.Fatal("Unable to query foo table:", err)
}
defer rows.Close()
for rows.Next() {
var id int
var value string
if err := rows.Scan(&id, &value); err != nil {
t.Error("Unable to scan results:", err)
continue
}
if id == 1 && value != `今日の 晩御飯は 天麩羅よ` {
t.Error("Value for id 1 should be `今日の 晩御飯は 天麩羅よ`, but:", value)
} else if id == 2 && value != `今日は いい 天気だ` {
t.Error("Value for id 2 should be `今日は いい 天気だ`, but:", value)
}
}
rows, err = db.Query("SELECT value FROM foo WHERE value MATCH '今日* 天麩羅*'")
if err != nil {
t.Fatal("Unable to query foo table:", err)
}
defer rows.Close()
var value string
if !rows.Next() {
t.Fatal("Result should be only one")
}
if err := rows.Scan(&value); err != nil {
t.Fatal("Unable to scan results:", err)
}
if value != `今日の 晩御飯は 天麩羅よ` {
t.Fatal("Value should be `今日の 晩御飯は 天麩羅よ`, but:", value)
}
if rows.Next() {
t.Fatal("Result should be only one")
}
}
func TestFTS4(t *testing.T) {
db, err := sql.Open("sqlite3", ":memory:")
if err != nil {
t.Fatal("Failed to open database:", err)
}
defer db.Close()
_, err = db.Exec("DROP TABLE foo")
_, err = db.Exec("CREATE VIRTUAL TABLE foo USING fts4(tokenize=unicode61, id INTEGER PRIMARY KEY, value TEXT)")
switch {
case err != nil && err.Error() == "unknown tokenizer: unicode61":
t.Skip("FTS4 not supported")
case err != nil:
t.Fatal("Failed to create table:", err)
}
_, err = db.Exec("INSERT INTO foo(id, value) VALUES(?, ?)", 1, `février`)
if err != nil {
t.Fatal("Failed to insert value:", err)
}
rows, err := db.Query("SELECT value FROM foo WHERE value MATCH 'fevrier'")
if err != nil {
t.Fatal("Unable to query foo table:", err)
}
defer rows.Close()
var value string
if !rows.Next() {
t.Fatal("Result should be only one")
}
if err := rows.Scan(&value); err != nil {
t.Fatal("Unable to scan results:", err)
}
if value != `février` {
t.Fatal("Value should be `février`, but:", value)
}
if rows.Next() {
t.Fatal("Result should be only one")
}
}
func TestMathFunctions(t *testing.T) {
db, err := sql.Open("sqlite3", ":memory:")
if err != nil {
t.Fatal("Failed to open database:", err)
}
defer db.Close()
queries := []string{
`SELECT acos(1)`,
`SELECT log(10, 100)`,
`SELECT power(2, 2)`,
}
for _, query := range queries {
var result float64
if err := db.QueryRow(query).Scan(&result); err != nil {
t.Errorf("invoking math function query %q: %v", query, err)
}
}
}
type preUpdateHookDataForTest struct {
databaseName string
tableName string
count int
op int
oldRow []any
newRow []any
}
/*
func TestPreUpdateHook(t *testing.T) {
var events []preUpdateHookDataForTest
sql.Register("sqlite3_PreUpdateHook", &SQLiteDriver{
ConnectHook: func(conn *SQLiteConn) error {
conn.RegisterPreUpdateHook(func(data SQLitePreUpdateData) {
eval := -1
oldRow := []any{eval}
if data.Op != SQLITE_INSERT {
err := data.Old(oldRow...)
if err != nil {
t.Fatalf("Unexpected error calling SQLitePreUpdateData.Old: %v", err)
}
}
eval2 := -1
newRow := []any{eval2}
if data.Op != SQLITE_DELETE {
err := data.New(newRow...)
if err != nil {
t.Fatalf("Unexpected error calling SQLitePreUpdateData.New: %v", err)
}
}
// tests dest bound checks in loop
var tooSmallRow []any
if data.Op != SQLITE_INSERT {
err := data.Old(tooSmallRow...)
if err != nil {
t.Fatalf("Unexpected error calling SQLitePreUpdateData.Old: %v", err)
}
if len(tooSmallRow) != 0 {
t.Errorf("Expected tooSmallRow to be empty, got: %v", tooSmallRow)
}
}
events = append(events, preUpdateHookDataForTest{
databaseName: data.DatabaseName,
tableName: data.TableName,
count: data.Count(),
op: data.Op,
oldRow: oldRow,
newRow: newRow,
})
})
return nil
},
})
db, err := sql.Open("sqlite3_PreUpdateHook", ":memory:")
if err != nil {
t.Fatal("Failed to open database:", err)
}
defer db.Close()
statements := []string{
"create table foo (id integer primary key)",
"insert into foo values (9)",
"update foo set id = 99 where id = 9",
"delete from foo where id = 99",
}
for _, statement := range statements {
_, err = db.Exec(statement)
if err != nil {
t.Fatalf("Unable to prepare test data [%v]: %v", statement, err)
}
}
if len(events) != 3 {
t.Errorf("Events should be 3 entries, got: %d", len(events))
}
if events[0].op != SQLITE_INSERT {
t.Errorf("Op isn't as expected: %v", events[0].op)
}
if events[1].op != SQLITE_UPDATE {
t.Errorf("Op isn't as expected: %v", events[1].op)
}
if events[1].count != 1 {
t.Errorf("Expected event row 1 to have 1 column, had: %v", events[1].count)
}
newRow_0_0 := events[0].newRow[0].(int64)
if newRow_0_0 != 9 {
t.Errorf("Expected event row 0 new column 0 to be == 9, got: %v", newRow_0_0)
}
oldRow_1_0 := events[1].oldRow[0].(int64)
if oldRow_1_0 != 9 {
t.Errorf("Expected event row 1 old column 0 to be == 9, got: %v", oldRow_1_0)
}
newRow_1_0 := events[1].newRow[0].(int64)
if newRow_1_0 != 99 {
t.Errorf("Expected event row 1 new column 0 to be == 99, got: %v", newRow_1_0)
}
oldRow_2_0 := events[2].oldRow[0].(int64)
if oldRow_2_0 != 99 {
t.Errorf("Expected event row 1 new column 0 to be == 99, got: %v", oldRow_2_0)
}
}
*/
func TestSerializeDeserialize(t *testing.T) {
// Connect to the source database.
srcDb, err := sql.Open(driverName, "file:src?mode=memory&cache=shared")
if err != nil {
t.Fatal("Failed to open the source database:", err)
}
defer srcDb.Close()
err = srcDb.Ping()
if err != nil {
t.Fatal("Failed to connect to the source database:", err)
}
// Connect to the destination database.
destDb, err := sql.Open(driverName, "file:dst?mode=memory&cache=shared")
if err != nil {
t.Fatal("Failed to open the destination database:", err)
}
defer destDb.Close()
err = destDb.Ping()
if err != nil {
t.Fatal("Failed to connect to the destination database:", err)
}
// Write data to source database.
_, err = srcDb.Exec(`CREATE TABLE foo (name string)`)
if err != nil {
t.Fatal("Failed to create table in source database:", err)
}
_, err = srcDb.Exec(`INSERT INTO foo(name) VALUES("alice")`)
if err != nil {
t.Fatal("Failed to insert data into source database", err)
}
// Serialize the source database
srcConn, err := srcDb.Conn(context.Background())
if err != nil {
t.Fatal("Failed to get connection to source database:", err)
}
defer srcConn.Close()
var serialized []byte
if err := srcConn.Raw(func(raw any) error {
var err error
serialized, err = raw.(*SQLiteConn).Serialize("")
return err
}); err != nil {
t.Fatal("Failed to serialize source database:", err)
}
srcConn.Close()
// Confirm that the destination database is initially empty.
var destTableCount int
err = destDb.QueryRow("SELECT COUNT(*) FROM sqlite_master WHERE type = 'table'").Scan(&destTableCount)
if err != nil {
t.Fatal("Failed to check the destination table count:", err)
}
if destTableCount != 0 {
t.Fatalf("The destination database is not empty; %v table(s) found.", destTableCount)
}
// Deserialize to destination database
destConn, err := destDb.Conn(context.Background())
if err != nil {
t.Fatal("Failed to get connection to destination database:", err)
}
defer destConn.Close()
if err := destConn.Raw(func(raw any) error {
return raw.(*SQLiteConn).Deserialize(serialized, "")
}); err != nil {
t.Fatal("Failed to deserialize source database:", err)
}
destConn.Close()
// Confirm that destination database has been loaded correctly.
var destRowCount int
err = destDb.QueryRow(`SELECT COUNT(*) FROM foo`).Scan(&destRowCount)
if err != nil {
t.Fatal("Failed to count rows in destination database table", err)
}
if destRowCount != 1 {
t.Fatalf("Destination table does not have the expected records")
}
}
func TestUnlockNotify(t *testing.T) {
tempFilename := TempFilename(t)
defer os.Remove(tempFilename)
dsn := fmt.Sprintf("file:%s?cache=shared&mode=memory&_busy_timeout=%d", tempFilename, 500)
db, err := sql.Open("sqlite3", dsn)
if err != nil {
t.Fatal("Failed to open database:", err)
}
defer db.Close()
_, err = db.Exec("CREATE TABLE foo(id INTEGER, status INTEGER)")
if err != nil {
t.Fatal("Failed to create table:", err)
}
tx, err := db.Begin()
if err != nil {
t.Fatal("Failed to begin transaction:", err)
}
_, err = tx.Exec("INSERT INTO foo(id, status) VALUES(1, 100)")
if err != nil {
t.Fatal("Failed to insert null:", err)
}
_, err = tx.Exec("UPDATE foo SET status = 200 WHERE id = 1")
if err != nil {
t.Fatal("Failed to update table:", err)
}
wg := sync.WaitGroup{}
wg.Add(1)
timer := time.NewTimer(500 * time.Millisecond)
go func() {
<-timer.C
err := tx.Commit()
if err != nil {
t.Fatal("Failed to commit transaction:", err)
}
wg.Done()
}()
rows, err := db.Query("SELECT count(*) from foo")
if err != nil {
t.Fatal("Unable to query foo table:", err)
}
if rows.Next() {
var count int
if err := rows.Scan(&count); err != nil {
t.Fatal("Failed to Scan rows", err)
}
}
if err := rows.Err(); err != nil {
t.Fatal("Failed at the call to Next:", err)
}
wg.Wait()
}
func TestUnlockNotifyMany(t *testing.T) {
tempFilename := TempFilename(t)
defer os.Remove(tempFilename)
dsn := fmt.Sprintf("file:%s?cache=shared&mode=rwc&_busy_timeout=%d", tempFilename, 500)
db, err := sql.Open("sqlite3", dsn)
if err != nil {
t.Fatal("Failed to open database:", err)
}
defer db.Close()
_, err = db.Exec("CREATE TABLE foo(id INTEGER, status INTEGER)")
if err != nil {
t.Fatal("Failed to create table:", err)
}
tx, err := db.Begin()
if err != nil {
t.Fatal("Failed to begin transaction:", err)
}
_, err = tx.Exec("INSERT INTO foo(id, status) VALUES(1, 100)")
if err != nil {
t.Fatal("Failed to insert null:", err)
}
_, err = tx.Exec("UPDATE foo SET status = 200 WHERE id = 1")
if err != nil {
t.Fatal("Failed to update table:", err)
}
wg := sync.WaitGroup{}
wg.Add(1)
timer := time.NewTimer(500 * time.Millisecond)
go func() {
<-timer.C
err := tx.Commit()
if err != nil {
t.Fatal("Failed to commit transaction:", err)
}
wg.Done()
}()
const concurrentQueries = 1000
wg.Add(concurrentQueries)
for i := 0; i < concurrentQueries; i++ {
go func() {
rows, err := db.Query("SELECT count(*) from foo")
if err != nil {
t.Fatal("Unable to query foo table:", err)
}
if rows.Next() {
var count int
if err := rows.Scan(&count); err != nil {
t.Fatal("Failed to Scan rows", err)
}
}
if err := rows.Err(); err != nil {
t.Fatal("Failed at the call to Next:", err)
}
wg.Done()
}()
}
wg.Wait()
}
func TestUnlockNotifyDeadlock(t *testing.T) {
tempFilename := TempFilename(t)
defer os.Remove(tempFilename)
dsn := fmt.Sprintf("file:%s?cache=shared&mode=rwc&_busy_timeout=%d", tempFilename, 500)
db, err := sql.Open("sqlite3", dsn)
if err != nil {
t.Fatal("Failed to open database:", err)
}
defer db.Close()
_, err = db.Exec("CREATE TABLE foo(id INTEGER, status INTEGER)")
if err != nil {
t.Fatal("Failed to create table:", err)
}
tx, err := db.Begin()
if err != nil {
t.Fatal("Failed to begin transaction:", err)
}
_, err = tx.Exec("INSERT INTO foo(id, status) VALUES(1, 100)")
if err != nil {
t.Fatal("Failed to insert null:", err)
}
_, err = tx.Exec("UPDATE foo SET status = 200 WHERE id = 1")
if err != nil {
t.Fatal("Failed to update table:", err)
}
wg := sync.WaitGroup{}
wg.Add(1)
timer := time.NewTimer(500 * time.Millisecond)
go func() {
<-timer.C
err := tx.Commit()
if err != nil {
t.Fatal("Failed to commit transaction:", err)
}
wg.Done()
}()
wg.Add(1)
go func() {
tx2, err := db.Begin()
if err != nil {
t.Fatal("Failed to begin transaction:", err)
}
defer tx2.Rollback()
_, err = tx2.Exec("DELETE FROM foo")
if err != nil {
t.Fatal("Failed to delete table:", err)
}
err = tx2.Commit()
if err != nil {
t.Fatal("Failed to commit transaction:", err)
}
wg.Done()
}()
rows, err := tx.Query("SELECT count(*) from foo")
if err != nil {
t.Fatal("Unable to query foo table:", err)
}
if rows.Next() {
var count int
if err := rows.Scan(&count); err != nil {
t.Fatal("Failed to Scan rows", err)
}
}
if err := rows.Err(); err != nil {
t.Fatal("Failed at the call to Next:", err)
}
wg.Wait()
}
var (
conn *SQLiteConn
create func(t *testing.T, username, password string) (file string, err error)
createWithCrypt func(t *testing.T, username, password, crypt, salt string) (file string, err error)
connect func(t *testing.T, f string, username, password string) (file string, db *sql.DB, c *SQLiteConn, err error)
connectWithCrypt func(t *testing.T, f string, username, password string, crypt string, salt string) (file string, db *sql.DB, c *SQLiteConn, err error)
authEnabled func(db *sql.DB) (exists bool, err error)
addUser func(db *sql.DB, username, password string, admin int) (rv int, err error)
userExists func(db *sql.DB, username string) (rv int, err error)
isAdmin func(db *sql.DB, username string) (rv bool, err error)
modifyUser func(db *sql.DB, username, password string, admin int) (rv int, err error)
deleteUser func(db *sql.DB, username string) (rv int, err error)
)
func init() {
// Create database connection
sql.Register("sqlite3_with_conn",
&SQLiteDriver{
ConnectHook: func(c *SQLiteConn) error {
conn = c
return nil
},
})
create = func(t *testing.T, username, password string) (file string, err error) {
var db *sql.DB
file, db, _, err = connect(t, "", username, password)
db.Close()
return
}
createWithCrypt = func(t *testing.T, username, password, crypt, salt string) (file string, err error) {
var db *sql.DB
file, db, _, err = connectWithCrypt(t, "", "admin", "admin", crypt, salt)
db.Close()
return
}
connect = func(t *testing.T, f string, username, password string) (file string, db *sql.DB, c *SQLiteConn, err error) {
conn = nil // Clear connection
file = f // Copy provided file (f) => file
if file == "" {
// Create dummy file
file = TempFilename(t)
}
params := "?_auth"
if len(username) > 0 {
params = fmt.Sprintf("%s&_auth_user=%s", params, username)
}
if len(password) > 0 {
params = fmt.Sprintf("%s&_auth_pass=%s", params, password)
}
db, err = sql.Open("sqlite3_with_conn", "file:"+file+params)
if err != nil {
defer os.Remove(file)
return file, nil, nil, err
}
// Dummy query to force connection and database creation
// Will return ErrUnauthorized (SQLITE_AUTH) if user authentication fails
if _, err = db.Exec("SELECT 1;"); err != nil {
defer os.Remove(file)
defer db.Close()
return file, nil, nil, err
}
c = conn
return
}
connectWithCrypt = func(t *testing.T, f string, username, password string, crypt string, salt string) (file string, db *sql.DB, c *SQLiteConn, err error) {
conn = nil // Clear connection
file = f // Copy provided file (f) => file
if file == "" {
// Create dummy file
file = TempFilename(t)
}
db, err = sql.Open("sqlite3_with_conn", "file:"+file+fmt.Sprintf("?_auth&_auth_user=%s&_auth_pass=%s&_auth_crypt=%s&_auth_salt=%s", username, password, crypt, salt))
if err != nil {
defer os.Remove(file)
return file, nil, nil, err
}
// Dummy query to force connection and database creation
// Will return ErrUnauthorized (SQLITE_AUTH) if user authentication fails
if _, err = db.Exec("SELECT 1;"); err != nil {
defer os.Remove(file)
defer db.Close()
return file, nil, nil, err
}
c = conn
return
}
authEnabled = func(db *sql.DB) (exists bool, err error) {
err = db.QueryRow("select count(type) from sqlite_master WHERE type='table' and name='sqlite_user';").Scan(&exists)
return
}
addUser = func(db *sql.DB, username, password string, admin int) (rv int, err error) {
err = db.QueryRow("select auth_user_add(?, ?, ?);", username, password, admin).Scan(&rv)
return
}
userExists = func(db *sql.DB, username string) (rv int, err error) {
err = db.QueryRow("select count(uname) from sqlite_user where uname=?", username).Scan(&rv)
return
}
isAdmin = func(db *sql.DB, username string) (rv bool, err error) {
err = db.QueryRow("select isAdmin from sqlite_user where uname=?", username).Scan(&rv)
return
}
modifyUser = func(db *sql.DB, username, password string, admin int) (rv int, err error) {
err = db.QueryRow("select auth_user_change(?, ?, ?);", username, password, admin).Scan(&rv)
return
}
deleteUser = func(db *sql.DB, username string) (rv int, err error) {
err = db.QueryRow("select auth_user_delete(?);", username).Scan(&rv)
return
}
}
type testModule struct {
t *testing.T
intarray []int
}
type testVTab struct {
intarray []int
}
type testVTabCursor struct {
vTab *testVTab
index int
}
func (m testModule) Create(c *SQLiteConn, args []string) (VTab, error) {
if len(args) != 6 {
m.t.Fatal("six arguments expected")
}
if args[0] != "test" {
m.t.Fatal("module name")
}
if args[1] != "main" {
m.t.Fatal("db name")
}
if args[2] != "vtab" {
m.t.Fatal("table name")
}
if args[3] != "'1'" {
m.t.Fatal("first arg")
}
if args[4] != "2" {
m.t.Fatal("second arg")
}
if args[5] != "three" {
m.t.Fatal("third argsecond arg")
}
err := c.DeclareVTab("CREATE TABLE x(test TEXT)")
if err != nil {
return nil, err
}
return &testVTab{m.intarray}, nil
}
func (m testModule) Connect(c *SQLiteConn, args []string) (VTab, error) {
return m.Create(c, args)
}
func (m testModule) DestroyModule() {}
func (v *testVTab) BestIndex(cst []InfoConstraint, ob []InfoOrderBy) (*IndexResult, error) {
used := make([]bool, 0, len(cst))
for range cst {
used = append(used, false)
}
return &IndexResult{
Used: used,
IdxNum: 0,
IdxStr: "test-index",
AlreadyOrdered: true,
EstimatedCost: 100,
EstimatedRows: 200,
}, nil
}
func (v *testVTab) Disconnect() error {
return nil
}
func (v *testVTab) Destroy() error {
return nil
}
func (v *testVTab) Open() (VTabCursor, error) {
return &testVTabCursor{v, 0}, nil
}
func (vc *testVTabCursor) Close() error {
return nil
}
func (vc *testVTabCursor) Filter(idxNum int, idxStr string, vals []any) error {
vc.index = 0
return nil
}
func (vc *testVTabCursor) Next() error {
vc.index++
return nil
}
func (vc *testVTabCursor) EOF() bool {
return vc.index >= len(vc.vTab.intarray)
}
func (vc *testVTabCursor) Column(c *SQLiteContext, col int) error {
if col != 0 {
return fmt.Errorf("column index out of bounds: %d", col)
}
c.ResultInt(vc.vTab.intarray[vc.index])
return nil
}
func (vc *testVTabCursor) Rowid() (int64, error) {
return int64(vc.index), nil
}
func TestCreateModule(t *testing.T) {
intarray := []int{1, 2, 3}
sql.Register("sqlite3_TestCreateModule", &SQLiteDriver{
ConnectHook: func(conn *SQLiteConn) error {
return conn.CreateModule("test", testModule{t, intarray})
},
})
db, err := sql.Open("sqlite3_TestCreateModule", ":memory:")
if err != nil {
t.Fatalf("could not open db: %v", err)
}
_, err = db.Exec("CREATE VIRTUAL TABLE vtab USING test('1', 2, three)")
if err != nil {
t.Fatalf("could not create vtable: %v", err)
}
var i, value int
rows, err := db.Query("SELECT rowid, * FROM vtab WHERE test = '3'")
if err != nil {
t.Fatalf("couldn't select from virtual table: %v", err)
}
for rows.Next() {
rows.Scan(&i, &value)
if intarray[i] != value {
t.Fatalf("want %v but %v", intarray[i], value)
}
}
_, err = db.Exec("DROP TABLE vtab")
if err != nil {
t.Fatalf("couldn't drop virtual table: %v", err)
}
}
func TestVUpdate(t *testing.T) {
// create module
updateMod := &vtabUpdateModule{t, make(map[string]*vtabUpdateTable)}
// register module
sql.Register("sqlite3_TestVUpdate", &SQLiteDriver{
ConnectHook: func(conn *SQLiteConn) error {
return conn.CreateModule("updatetest", updateMod)
},
})
// connect
db, err := sql.Open("sqlite3_TestVUpdate", ":memory:")
if err != nil {
t.Fatalf("could not open db: %v", err)
}
// create test table
_, err = db.Exec(`CREATE VIRTUAL TABLE vt USING updatetest(f1 integer, f2 text, f3 text)`)
if err != nil {
t.Fatalf("could not create updatetest vtable vt, got: %v", err)
}
// check that table is defined properly
if len(updateMod.tables) != 1 {
t.Fatalf("expected exactly 1 table to exist, got: %d", len(updateMod.tables))
}
if _, ok := updateMod.tables["vt"]; !ok {
t.Fatalf("expected table `vt` to exist in tables")
}
// check nothing in updatetest
rows, err := db.Query(`select * from vt`)
if err != nil {
t.Fatalf("could not query vt, got: %v", err)
}
i, err := getRowCount(rows)
if err != nil {
t.Fatalf("expected no error, got: %v", err)
}
if i != 0 {
t.Fatalf("expected no rows in vt, got: %d", i)
}
_, err = db.Exec(`delete from vt where f1 = 'yes'`)
if err != nil {
t.Fatalf("expected error on delete, got nil")
}
// test bad column name
_, err = db.Exec(`insert into vt (f4) values('a')`)
if err == nil {
t.Fatalf("expected error on insert, got nil")
}
// insert to vt
res, err := db.Exec(`insert into vt (f1, f2, f3) values (115, 'b', 'c'), (116, 'd', 'e')`)
if err != nil {
t.Fatalf("expected no error on insert, got: %v", err)
}
n, err := res.RowsAffected()
if err != nil {
t.Fatalf("expected no error, got: %v", err)
}
if n != 2 {
t.Fatalf("expected 1 row affected, got: %d", n)
}
// check vt table
vt := updateMod.tables["vt"]
if len(vt.data) != 2 {
t.Fatalf("expected table vt to have exactly 2 rows, got: %d", len(vt.data))
}
if !reflect.DeepEqual(vt.data[0], []any{int64(115), "b", "c"}) {
t.Fatalf("expected table vt entry 0 to be [115 b c], instead: %v", vt.data[0])
}
if !reflect.DeepEqual(vt.data[1], []any{int64(116), "d", "e"}) {
t.Fatalf("expected table vt entry 1 to be [116 d e], instead: %v", vt.data[1])
}
// query vt
var f1 int
var f2, f3 string
err = db.QueryRow(`select * from vt where f1 = 115`).Scan(&f1, &f2, &f3)
if err != nil {
t.Fatalf("expected no error on vt query, got: %v", err)
}
// check column values
if f1 != 115 || f2 != "b" || f3 != "c" {
t.Errorf("expected f1==115, f2==b, f3==c, got: %d, %q, %q", f1, f2, f3)
}
// update vt
res, err = db.Exec(`update vt set f1=117, f2='f' where f3='e'`)
if err != nil {
t.Fatalf("expected no error, got: %v", err)
}
n, err = res.RowsAffected()
if err != nil {
t.Fatalf("expected no error, got: %v", err)
}
if n != 1 {
t.Fatalf("expected exactly one row updated, got: %d", n)
}
// check vt table
if len(vt.data) != 2 {
t.Fatalf("expected table vt to have exactly 2 rows, got: %d", len(vt.data))
}
if !reflect.DeepEqual(vt.data[0], []any{int64(115), "b", "c"}) {
t.Fatalf("expected table vt entry 0 to be [115 b c], instead: %v", vt.data[0])
}
if !reflect.DeepEqual(vt.data[1], []any{int64(117), "f", "e"}) {
t.Fatalf("expected table vt entry 1 to be [117 f e], instead: %v", vt.data[1])
}
// delete from vt
res, err = db.Exec(`delete from vt where f1 = 117`)
if err != nil {
t.Fatalf("expected no error, got: %v", err)
}
n, err = res.RowsAffected()
if err != nil {
t.Fatalf("expected no error, got: %v", err)
}
if n != 1 {
t.Fatalf("expected exactly one row deleted, got: %d", n)
}
// check vt table
if len(vt.data) != 1 {
t.Fatalf("expected table vt to have exactly 1 row, got: %d", len(vt.data))
}
if !reflect.DeepEqual(vt.data[0], []any{int64(115), "b", "c"}) {
t.Fatalf("expected table vt entry 0 to be [115 b c], instead: %v", vt.data[0])
}
// check updatetest has 1 result
rows, err = db.Query(`select * from vt`)
if err != nil {
t.Fatalf("could not query vt, got: %v", err)
}
i, err = getRowCount(rows)
if err != nil {
t.Fatalf("expected no error, got: %v", err)
}
if i != 1 {
t.Fatalf("expected 1 row in vt, got: %d", i)
}
}
func getRowCount(rows *sql.Rows) (int, error) {
var i int
for rows.Next() {
i++
}
return i, nil
}
type vtabUpdateModule struct {
t *testing.T
tables map[string]*vtabUpdateTable
}
func (m *vtabUpdateModule) Create(c *SQLiteConn, args []string) (VTab, error) {
if len(args) < 2 {
return nil, errors.New("must declare at least one column")
}
// get database name, table name, and column declarations ...
dbname, tname, decls := args[1], args[2], args[3:]
// extract column names + types from parameters declarations
cols, typs := make([]string, len(decls)), make([]string, len(decls))
for i := 0; i < len(decls); i++ {
n, typ := decls[i], ""
if j := strings.IndexAny(n, " \t\n"); j != -1 {
typ, n = strings.TrimSpace(n[j+1:]), n[:j]
}
cols[i], typs[i] = n, typ
}
// declare table
err := c.DeclareVTab(fmt.Sprintf(`CREATE TABLE "%s"."%s" (%s)`, dbname, tname, strings.Join(decls, ",")))
if err != nil {
return nil, err
}
// create table
vtab := &vtabUpdateTable{m.t, dbname, tname, cols, typs, make([][]any, 0)}
m.tables[tname] = vtab
return vtab, nil
}
func (m *vtabUpdateModule) Connect(c *SQLiteConn, args []string) (VTab, error) {
return m.Create(c, args)
}
func (m *vtabUpdateModule) DestroyModule() {}
type vtabUpdateTable struct {
t *testing.T
db string
name string
cols []string
typs []string
data [][]any
}
func (t *vtabUpdateTable) Open() (VTabCursor, error) {
return &vtabUpdateCursor{t, 0}, nil
}
func (t *vtabUpdateTable) BestIndex(cst []InfoConstraint, ob []InfoOrderBy) (*IndexResult, error) {
return &IndexResult{Used: make([]bool, len(cst))}, nil
}
func (t *vtabUpdateTable) Disconnect() error {
return nil
}
func (t *vtabUpdateTable) Destroy() error {
return nil
}
func (t *vtabUpdateTable) Insert(id any, vals []any) (int64, error) {
var i int64
if id == nil {
i, t.data = int64(len(t.data)), append(t.data, vals)
return i, nil
}
var ok bool
i, ok = id.(int64)
if !ok {
return 0, fmt.Errorf("id is invalid type: %T", id)
}
t.data[i] = vals
return i, nil
}
func (t *vtabUpdateTable) Update(id any, vals []any) error {
i, ok := id.(int64)
if !ok {
return fmt.Errorf("id is invalid type: %T", id)
}
if int(i) >= len(t.data) || i < 0 {
return fmt.Errorf("invalid row id %d", i)
}
t.data[int(i)] = vals
return nil
}
func (t *vtabUpdateTable) Delete(id any) error {
i, ok := id.(int64)
if !ok {
return fmt.Errorf("id is invalid type: %T", id)
}
if int(i) >= len(t.data) || i < 0 {
return fmt.Errorf("invalid row id %d", i)
}
t.data = append(t.data[:i], t.data[i+1:]...)
return nil
}
type vtabUpdateCursor struct {
t *vtabUpdateTable
i int
}
func (c *vtabUpdateCursor) Column(ctxt *SQLiteContext, col int) error {
switch x := c.t.data[c.i][col].(type) {
case []byte:
ctxt.ResultBlob(x)
case bool:
ctxt.ResultBool(x)
case float64:
ctxt.ResultDouble(x)
case int:
ctxt.ResultInt(x)
case int64:
ctxt.ResultInt64(x)
case nil:
ctxt.ResultNull()
case string:
ctxt.ResultText(x)
default:
ctxt.ResultText(fmt.Sprintf("%v", x))
}
return nil
}
func (c *vtabUpdateCursor) Filter(ixNum int, ixName string, vals []any) error {
return nil
}
func (c *vtabUpdateCursor) Next() error {
c.i++
return nil
}
func (c *vtabUpdateCursor) EOF() bool {
return c.i >= len(c.t.data)
}
func (c *vtabUpdateCursor) Rowid() (int64, error) {
return int64(c.i), nil
}
func (c *vtabUpdateCursor) Close() error {
return nil
}
type testModuleEponymousOnly struct {
t *testing.T
intarray []int
}
type testVTabEponymousOnly struct {
intarray []int
}
type testVTabCursorEponymousOnly struct {
vTab *testVTabEponymousOnly
index int
}
func (m testModuleEponymousOnly) EponymousOnlyModule() {}
func (m testModuleEponymousOnly) Create(c *SQLiteConn, args []string) (VTab, error) {
err := c.DeclareVTab("CREATE TABLE x(test INT)")
if err != nil {
return nil, err
}
return &testVTabEponymousOnly{m.intarray}, nil
}
func (m testModuleEponymousOnly) Connect(c *SQLiteConn, args []string) (VTab, error) {
return m.Create(c, args)
}
func (m testModuleEponymousOnly) DestroyModule() {}
func (v *testVTabEponymousOnly) BestIndex(cst []InfoConstraint, ob []InfoOrderBy) (*IndexResult, error) {
used := make([]bool, 0, len(cst))
for range cst {
used = append(used, false)
}
return &IndexResult{
Used: used,
IdxNum: 0,
IdxStr: "test-index",
AlreadyOrdered: true,
EstimatedCost: 100,
EstimatedRows: 200,
}, nil
}
func (v *testVTabEponymousOnly) Disconnect() error {
return nil
}
func (v *testVTabEponymousOnly) Destroy() error {
return nil
}
func (v *testVTabEponymousOnly) Open() (VTabCursor, error) {
return &testVTabCursorEponymousOnly{v, 0}, nil
}
func (vc *testVTabCursorEponymousOnly) Close() error {
return nil
}
func (vc *testVTabCursorEponymousOnly) Filter(idxNum int, idxStr string, vals []any) error {
vc.index = 0
return nil
}
func (vc *testVTabCursorEponymousOnly) Next() error {
vc.index++
return nil
}
func (vc *testVTabCursorEponymousOnly) EOF() bool {
return vc.index >= len(vc.vTab.intarray)
}
func (vc *testVTabCursorEponymousOnly) Column(c *SQLiteContext, col int) error {
if col != 0 {
return fmt.Errorf("column index out of bounds: %d", col)
}
c.ResultInt(vc.vTab.intarray[vc.index])
return nil
}
func (vc *testVTabCursorEponymousOnly) Rowid() (int64, error) {
return int64(vc.index), nil
}
func TestCreateModuleEponymousOnly(t *testing.T) {
intarray := []int{1, 2, 3}
sql.Register("sqlite3_TestCreateModuleEponymousOnly", &SQLiteDriver{
ConnectHook: func(conn *SQLiteConn) error {
return conn.CreateModule("test", testModuleEponymousOnly{t, intarray})
},
})
db, err := sql.Open("sqlite3_TestCreateModuleEponymousOnly", ":memory:")
if err != nil {
t.Fatalf("could not open db: %v", err)
}
var i, value int
rows, err := db.Query("SELECT rowid, * FROM test")
if err != nil {
t.Fatalf("couldn't select from virtual table: %v", err)
}
for rows.Next() {
err := rows.Scan(&i, &value)
if err != nil {
t.Fatal(err)
}
if intarray[i] != value {
t.Fatalf("want %v but %v", intarray[i], value)
}
}
_, err = db.Exec("DROP TABLE test")
if err != nil {
t.Logf("couldn't drop virtual table: %v", err)
}
}
func TempFilename(t testing.TB) string {
f, err := ioutil.TempFile("", "go-sqlite3-test-")
if err != nil {
t.Fatal(err)
}
f.Close()
return f.Name()
}
func doTestOpen(t *testing.T, url string) (string, error) {
db, err := sql.Open("sqlite3", url)
if err != nil {
return "Failed to open database:", err
}
defer func() {
err = db.Close()
if err != nil {
t.Error("db close error:", err)
}
}()
err = db.Ping()
if err != nil {
return "ping error:", err
}
_, err = db.Exec("drop table foo")
_, err = db.Exec("create table foo (id integer)")
if err != nil {
return "Failed to create table:", err
}
return "", nil
}
func TestOpen(t *testing.T) {
cases := map[string]bool{
"file:open1?mode=memory&cache=shared": true,
"file:open1?mode=memory&cache=shared&_txlock=immediate": true,
"file:open1?mode=memory&cache=shared&_txlock=deferred": true,
"file:open1?mode=memory&cache=shared&_txlock=exclusive": true,
"file:open1?mode=memory&cache=shared&_txlock=bogus": false,
}
for option, expectedPass := range cases {
result, err := doTestOpen(t, option)
if result == "" {
if !expectedPass {
errmsg := fmt.Sprintf("_txlock error not caught at dbOpen with option: %s", option)
t.Fatal(errmsg)
}
} else if expectedPass {
if err == nil {
t.Fatal(result)
} else {
t.Fatal(result, err)
}
}
}
}
func TestOpenWithVFS(t *testing.T) {
{
uri := fmt.Sprintf("file:%s?mode=memory&vfs=hello", t.Name())
db, err := sql.Open("sqlite3", uri)
if err != nil {
t.Fatal("Failed to open", err)
}
err = db.Ping()
if err == nil {
t.Fatal("Failed to open", err)
}
db.Close()
}
{
uri := fmt.Sprintf("file:%s?mode=memory&vfs=unix-none", t.Name())
db, err := sql.Open("sqlite3", uri)
if err != nil {
t.Fatal("Failed to open", err)
}
err = db.Ping()
if err != nil {
t.Fatal("Failed to ping", err)
}
db.Close()
}
}
func TestOpenNoCreate(t *testing.T) {
filename := t.Name() + ".sqlite"
if err := os.Remove(filename); err != nil && !os.IsNotExist(err) {
t.Fatal(err)
}
defer os.Remove(filename)
// https://golang.org/pkg/database/sql/#Open
// "Open may just validate its arguments without creating a connection
// to the database. To verify that the data source name is valid, call Ping."
db, err := sql.Open("sqlite3", fmt.Sprintf("file:%s?mode=rw", filename))
if err == nil {
defer db.Close()
err = db.Ping()
if err == nil {
t.Fatal("expected error from Open or Ping")
}
}
sqlErr, ok := err.(Error)
if !ok {
t.Fatalf("expected sqlite3.Error, but got %T", err)
}
if sqlErr.Code != ErrCantOpen {
t.Fatalf("expected SQLITE_CANTOPEN, but got %v", sqlErr)
}
// make sure database file truly was not created
if _, err := os.Stat(filename); !os.IsNotExist(err) {
if err != nil {
t.Fatal(err)
}
t.Fatal("expected database file to not exist")
}
// verify that it works if the mode is "rwc" instead
db, err = sql.Open("sqlite3", fmt.Sprintf("file:%s?mode=rwc", filename))
if err != nil {
t.Fatal(err)
}
defer db.Close()
if err := db.Ping(); err != nil {
t.Fatal(err)
}
// make sure database file truly was created
if _, err := os.Stat(filename); err != nil {
if !os.IsNotExist(err) {
t.Fatal(err)
}
t.Fatal("expected database file to exist")
}
}
func TestReadonly(t *testing.T) {
tempFilename := TempFilename(t)
defer os.Remove(tempFilename)
db1, err := sql.Open("sqlite3", "file:"+tempFilename)
if err != nil {
t.Fatal(err)
}
defer db1.Close()
db1.Exec("CREATE TABLE test (x int, y float)")
db2, err := sql.Open("sqlite3", "file:"+tempFilename+"?mode=ro")
if err != nil {
t.Fatal(err)
}
defer db2.Close()
_ = db2
_, err = db2.Exec("INSERT INTO test VALUES (1, 3.14)")
if err == nil {
t.Fatal("didn't expect INSERT into read-only database to work")
}
}
func TestForeignKeys(t *testing.T) {
cases := map[string]bool{
"?_foreign_keys=1": true,
"?_foreign_keys=0": false,
}
for option, want := range cases {
fname := TempFilename(t)
uri := "file:" + fname + option + "&mode=memory"
db, err := sql.Open("sqlite3", uri)
if err != nil {
os.Remove(fname)
t.Errorf("sql.Open(\"sqlite3\", %q): %v", uri, err)
continue
}
var enabled bool
err = db.QueryRow("PRAGMA foreign_keys;").Scan(&enabled)
db.Close()
os.Remove(fname)
if err != nil {
t.Errorf("query foreign_keys for %s: %v", uri, err)
continue
}
if enabled != want {
t.Errorf("\"PRAGMA foreign_keys;\" for %q = %t; want %t", uri, enabled, want)
continue
}
}
}
func TestDeferredForeignKey(t *testing.T) {
fname := TempFilename(t)
uri := "file:" + fname + "?_foreign_keys=1&mode=memory"
db, err := sql.Open("sqlite3", uri)
if err != nil {
os.Remove(fname)
t.Errorf("sql.Open(\"sqlite3\", %q): %v", uri, err)
}
_, err = db.Exec("CREATE TABLE bar (id INTEGER PRIMARY KEY)")
if err != nil {
t.Errorf("failed creating tables: %v", err)
}
_, err = db.Exec("CREATE TABLE foo (bar_id INTEGER, FOREIGN KEY(bar_id) REFERENCES bar(id) DEFERRABLE INITIALLY DEFERRED)")
if err != nil {
t.Errorf("failed creating tables: %v", err)
}
tx, err := db.Begin()
if err != nil {
t.Errorf("Failed to begin transaction: %v", err)
}
_, err = tx.Exec("INSERT INTO foo (bar_id) VALUES (123)")
if err != nil {
t.Errorf("Failed to insert row: %v", err)
}
err = tx.Commit()
if err == nil {
t.Errorf("Expected an error: %v", err)
}
_, err = db.Begin()
if err != nil {
t.Errorf("Failed to begin transaction: %v", err)
}
db.Close()
os.Remove(fname)
}
func TestRecursiveTriggers(t *testing.T) {
cases := map[string]bool{
"?_recursive_triggers=1": true,
"?_recursive_triggers=0": false,
}
for option, want := range cases {
fname := TempFilename(t)
uri := "file:" + fname + option + "&mode=memory"
db, err := sql.Open("sqlite3", uri)
if err != nil {
os.Remove(fname)
t.Errorf("sql.Open(\"sqlite3\", %q): %v", uri, err)
continue
}
var enabled bool
err = db.QueryRow("PRAGMA recursive_triggers;").Scan(&enabled)
db.Close()
os.Remove(fname)
if err != nil {
t.Errorf("query recursive_triggers for %s: %v", uri, err)
continue
}
if enabled != want {
t.Errorf("\"PRAGMA recursive_triggers;\" for %q = %t; want %t", uri, enabled, want)
continue
}
}
}
func TestClose(t *testing.T) {
db, err := sql.Open("sqlite3", ":memory:")
if err != nil {
t.Fatal("Failed to open database:", err)
}
_, err = db.Exec("drop table foo")
_, err = db.Exec("create table foo (id integer)")
if err != nil {
t.Fatal("Failed to create table:", err)
}
stmt, err := db.Prepare("select id from foo where id = ?")
if err != nil {
t.Fatal("Failed to select records:", err)
}
db.Close()
_, err = stmt.Exec(1)
if err == nil {
t.Fatal("Failed to operate closed statement")
}
}
func TestInsert(t *testing.T) {
db, err := sql.Open("sqlite3", ":memory:")
if err != nil {
t.Fatal("Failed to open database:", err)
}
defer db.Close()
_, err = db.Exec("drop table foo")
_, err = db.Exec("create table foo (id integer)")
if err != nil {
t.Fatal("Failed to create table:", err)
}
res, err := db.Exec("insert into foo(id) values(123)")
if err != nil {
t.Fatal("Failed to insert record:", err)
}
affected, _ := res.RowsAffected()
if affected != 1 {
t.Fatalf("Expected %d for affected rows, but %d:", 1, affected)
}
rows, err := db.Query("select id from foo")
if err != nil {
t.Fatal("Failed to select records:", err)
}
defer rows.Close()
rows.Next()
var result int
rows.Scan(&result)
if result != 123 {
t.Errorf("Expected %d for fetched result, but %d:", 123, result)
}
}
func TestUpsert(t *testing.T) {
_, n, _ := LibVersion()
if n < 3024000 {
t.Skip("UPSERT requires sqlite3 >= 3.24.0")
}
db, err := sql.Open("sqlite3", ":memory:")
if err != nil {
t.Fatal("Failed to open database:", err)
}
defer db.Close()
_, err = db.Exec("drop table foo")
_, err = db.Exec("create table foo (name string primary key, counter integer)")
if err != nil {
t.Fatal("Failed to create table:", err)
}
for i := 0; i < 10; i++ {
res, err := db.Exec("insert into foo(name, counter) values('key', 1) on conflict (name) do update set counter=counter+1")
if err != nil {
t.Fatal("Failed to upsert record:", err)
}
affected, _ := res.RowsAffected()
if affected != 1 {
t.Fatalf("Expected %d for affected rows, but %d:", 1, affected)
}
}
rows, err := db.Query("select name, counter from foo")
if err != nil {
t.Fatal("Failed to select records:", err)
}
defer rows.Close()
rows.Next()
var resultName string
var resultCounter int
rows.Scan(&resultName, &resultCounter)
if resultName != "key" {
t.Errorf("Expected %s for fetched result, but %s:", "key", resultName)
}
if resultCounter != 10 {
t.Errorf("Expected %d for fetched result, but %d:", 10, resultCounter)
}
}
func TestUpdate(t *testing.T) {
db, err := sql.Open("sqlite3", ":memory:")
if err != nil {
t.Fatal("Failed to open database:", err)
}
defer db.Close()
_, err = db.Exec("drop table foo")
_, err = db.Exec("create table foo (id integer)")
if err != nil {
t.Fatal("Failed to create table:", err)
}
res, err := db.Exec("insert into foo(id) values(123)")
if err != nil {
t.Fatal("Failed to insert record:", err)
}
expected, err := res.LastInsertId()
if err != nil {
t.Fatal("Failed to get LastInsertId:", err)
}
affected, _ := res.RowsAffected()
if err != nil {
t.Fatal("Failed to get RowsAffected:", err)
}
if affected != 1 {
t.Fatalf("Expected %d for affected rows, but %d:", 1, affected)
}
res, err = db.Exec("update foo set id = 234")
if err != nil {
t.Fatal("Failed to update record:", err)
}
lastID, err := res.LastInsertId()
if err != nil {
t.Fatal("Failed to get LastInsertId:", err)
}
if expected != lastID {
t.Errorf("Expected %q for last Id, but %q:", expected, lastID)
}
affected, _ = res.RowsAffected()
if err != nil {
t.Fatal("Failed to get RowsAffected:", err)
}
if affected != 1 {
t.Fatalf("Expected %d for affected rows, but %d:", 1, affected)
}
rows, err := db.Query("select id from foo")
if err != nil {
t.Fatal("Failed to select records:", err)
}
defer rows.Close()
rows.Next()
var result int
rows.Scan(&result)
if result != 234 {
t.Errorf("Expected %d for fetched result, but %d:", 234, result)
}
}
func TestDelete(t *testing.T) {
db, err := sql.Open("sqlite3", ":memory:")
if err != nil {
t.Fatal("Failed to open database:", err)
}
defer db.Close()
_, err = db.Exec("drop table foo")
_, err = db.Exec("create table foo (id integer)")
if err != nil {
t.Fatal("Failed to create table:", err)
}
res, err := db.Exec("insert into foo(id) values(123)")
if err != nil {
t.Fatal("Failed to insert record:", err)
}
expected, err := res.LastInsertId()
if err != nil {
t.Fatal("Failed to get LastInsertId:", err)
}
affected, err := res.RowsAffected()
if err != nil {
t.Fatal("Failed to get RowsAffected:", err)
}
if affected != 1 {
t.Errorf("Expected %d for cout of affected rows, but %q:", 1, affected)
}
res, err = db.Exec("delete from foo where id = 123")
if err != nil {
t.Fatal("Failed to delete record:", err)
}
lastID, err := res.LastInsertId()
if err != nil {
t.Fatal("Failed to get LastInsertId:", err)
}
if expected != lastID {
t.Errorf("Expected %q for last Id, but %q:", expected, lastID)
}
affected, err = res.RowsAffected()
if err != nil {
t.Fatal("Failed to get RowsAffected:", err)
}
if affected != 1 {
t.Errorf("Expected %d for cout of affected rows, but %q:", 1, affected)
}
rows, err := db.Query("select id from foo")
if err != nil {
t.Fatal("Failed to select records:", err)
}
defer rows.Close()
if rows.Next() {
t.Error("Fetched row but expected not rows")
}
}
func TestBooleanRoundtrip(t *testing.T) {
db, err := sql.Open("sqlite3", ":memory:")
if err != nil {
t.Fatal("Failed to open database:", err)
}
defer db.Close()
_, err = db.Exec("DROP TABLE foo")
_, err = db.Exec("CREATE TABLE foo(id INTEGER, value BOOL)")
if err != nil {
t.Fatal("Failed to create table:", err)
}
_, err = db.Exec("INSERT INTO foo(id, value) VALUES(1, ?)", true)
if err != nil {
t.Fatal("Failed to insert true value:", err)
}
_, err = db.Exec("INSERT INTO foo(id, value) VALUES(2, ?)", false)
if err != nil {
t.Fatal("Failed to insert false value:", err)
}
rows, err := db.Query("SELECT id, value FROM foo")
if err != nil {
t.Fatal("Unable to query foo table:", err)
}
defer rows.Close()
for rows.Next() {
var id int
var value bool
if err := rows.Scan(&id, &value); err != nil {
t.Error("Unable to scan results:", err)
continue
}
if id == 1 && !value {
t.Error("Value for id 1 should be true, not false")
} else if id == 2 && value {
t.Error("Value for id 2 should be false, not true")
}
}
}
func timezone(t time.Time) string { return t.Format("-07:00") }
func TestTimestamp(t *testing.T) {
db, err := sql.Open("sqlite3", ":memory:")
if err != nil {
t.Fatal("Failed to open database:", err)
}
defer db.Close()
_, err = db.Exec("DROP TABLE foo")
_, err = db.Exec("CREATE TABLE foo(id INTEGER, ts timeSTAMP, dt DATETIME)")
if err != nil {
t.Fatal("Failed to create table:", err)
}
timestamp1 := time.Date(2012, time.April, 6, 22, 50, 0, 0, time.UTC)
timestamp2 := time.Date(2006, time.January, 2, 15, 4, 5, 123456789, time.UTC)
timestamp3 := time.Date(2012, time.November, 4, 0, 0, 0, 0, time.UTC)
tzTest := time.FixedZone("TEST", -9*3600-13*60)
tests := []struct {
value any
expected time.Time
}{
{"nonsense", time.Time{}},
{"0000-00-00 00:00:00", time.Time{}},
{time.Time{}.Unix(), time.Time{}},
{timestamp1, timestamp1},
{timestamp2.Unix(), timestamp2.Truncate(time.Second)},
{timestamp2.UnixNano() / int64(time.Millisecond), timestamp2.Truncate(time.Millisecond)},
{timestamp1.In(tzTest), timestamp1.In(tzTest)},
{timestamp1.Format("2006-01-02 15:04:05.000"), timestamp1},
{timestamp1.Format("2006-01-02T15:04:05.000"), timestamp1},
{timestamp1.Format("2006-01-02 15:04:05"), timestamp1},
{timestamp1.Format("2006-01-02T15:04:05"), timestamp1},
{timestamp2, timestamp2},
{"2006-01-02 15:04:05.123456789", timestamp2},
{"2006-01-02T15:04:05.123456789", timestamp2},
{"2006-01-02T05:51:05.123456789-09:13", timestamp2.In(tzTest)},
{"2012-11-04", timestamp3},
{"2012-11-04 00:00", timestamp3},
{"2012-11-04 00:00:00", timestamp3},
{"2012-11-04 00:00:00.000", timestamp3},
{"2012-11-04T00:00", timestamp3},
{"2012-11-04T00:00:00", timestamp3},
{"2012-11-04T00:00:00.000", timestamp3},
{"2006-01-02T15:04:05.123456789Z", timestamp2},
{"2012-11-04Z", timestamp3},
{"2012-11-04 00:00Z", timestamp3},
{"2012-11-04 00:00:00Z", timestamp3},
{"2012-11-04 00:00:00.000Z", timestamp3},
{"2012-11-04T00:00Z", timestamp3},
{"2012-11-04T00:00:00Z", timestamp3},
{"2012-11-04T00:00:00.000Z", timestamp3},
}
for i := range tests {
_, err = db.Exec("INSERT INTO foo(id, ts, dt) VALUES(?, ?, ?)", i, tests[i].value, tests[i].value)
if err != nil {
t.Fatal("Failed to insert timestamp:", err)
}
}
rows, err := db.Query("SELECT id, ts, dt FROM foo ORDER BY id ASC")
if err != nil {
t.Fatal("Unable to query foo table:", err)
}
defer rows.Close()
seen := 0
for rows.Next() {
var id int
var ts, dt time.Time
if err := rows.Scan(&id, &ts, &dt); err != nil {
t.Error("Unable to scan results:", err)
continue
}
if id < 0 || id >= len(tests) {
t.Error("Bad row id: ", id)
continue
}
seen++
if !tests[id].expected.Equal(ts) {
t.Errorf("Timestamp value for id %v (%v) should be %v, not %v", id, tests[id].value, tests[id].expected, dt)
}
if !tests[id].expected.Equal(dt) {
t.Errorf("Datetime value for id %v (%v) should be %v, not %v", id, tests[id].value, tests[id].expected, dt)
}
if timezone(tests[id].expected) != timezone(ts) {
t.Errorf("Timezone for id %v (%v) should be %v, not %v", id, tests[id].value,
timezone(tests[id].expected), timezone(ts))
}
if timezone(tests[id].expected) != timezone(dt) {
t.Errorf("Timezone for id %v (%v) should be %v, not %v", id, tests[id].value,
timezone(tests[id].expected), timezone(dt))
}
}
if seen != len(tests) {
t.Errorf("Expected to see %d rows", len(tests))
}
}
func TestBoolean(t *testing.T) {
db, err := sql.Open("sqlite3", ":memory:")
if err != nil {
t.Fatal("Failed to open database:", err)
}
defer db.Close()
_, err = db.Exec("CREATE TABLE foo(id INTEGER, fbool BOOLEAN)")
if err != nil {
t.Fatal("Failed to create table:", err)
}
bool1 := true
_, err = db.Exec("INSERT INTO foo(id, fbool) VALUES(1, ?)", bool1)
if err != nil {
t.Fatal("Failed to insert boolean:", err)
}
bool2 := false
_, err = db.Exec("INSERT INTO foo(id, fbool) VALUES(2, ?)", bool2)
if err != nil {
t.Fatal("Failed to insert boolean:", err)
}
bool3 := "nonsense"
_, err = db.Exec("INSERT INTO foo(id, fbool) VALUES(3, ?)", bool3)
if err != nil {
t.Fatal("Failed to insert nonsense:", err)
}
rows, err := db.Query("SELECT id, fbool FROM foo where fbool = ?", bool1)
if err != nil {
t.Fatal("Unable to query foo table:", err)
}
counter := 0
var id int
var fbool bool
for rows.Next() {
if err := rows.Scan(&id, &fbool); err != nil {
t.Fatal("Unable to scan results:", err)
}
counter++
}
if counter != 1 {
t.Fatalf("Expected 1 row but %v", counter)
}
if id != 1 && !fbool {
t.Fatalf("Value for id 1 should be %v, not %v", bool1, fbool)
}
rows, err = db.Query("SELECT id, fbool FROM foo where fbool = ?", bool2)
if err != nil {
t.Fatal("Unable to query foo table:", err)
}
counter = 0
for rows.Next() {
if err := rows.Scan(&id, &fbool); err != nil {
t.Fatal("Unable to scan results:", err)
}
counter++
}
if counter != 1 {
t.Fatalf("Expected 1 row but %v", counter)
}
if id != 2 && fbool {
t.Fatalf("Value for id 2 should be %v, not %v", bool2, fbool)
}
// make sure "nonsense" triggered an error
rows, err = db.Query("SELECT id, fbool FROM foo where id=?;", 3)
if err != nil {
t.Fatal("Unable to query foo table:", err)
}
rows.Next()
err = rows.Scan(&id, &fbool)
if err == nil {
t.Error("Expected error from \"nonsense\" bool")
}
}
func TestFloat32(t *testing.T) {
db, err := sql.Open("sqlite3", ":memory:")
if err != nil {
t.Fatal("Failed to open database:", err)
}
defer db.Close()
_, err = db.Exec("CREATE TABLE foo(id INTEGER)")
if err != nil {
t.Fatal("Failed to create table:", err)
}
_, err = db.Exec("INSERT INTO foo(id) VALUES(null)")
if err != nil {
t.Fatal("Failed to insert null:", err)
}
rows, err := db.Query("SELECT id FROM foo")
if err != nil {
t.Fatal("Unable to query foo table:", err)
}
if !rows.Next() {
t.Fatal("Unable to query results:", err)
}
var id any
if err := rows.Scan(&id); err != nil {
t.Fatal("Unable to scan results:", err)
}
if id != nil {
t.Error("Expected nil but not")
}
}
func TestNull(t *testing.T) {
db, err := sql.Open("sqlite3", ":memory:")
if err != nil {
t.Fatal("Failed to open database:", err)
}
defer db.Close()
rows, err := db.Query("SELECT 3.141592")
if err != nil {
t.Fatal("Unable to query foo table:", err)
}
if !rows.Next() {
t.Fatal("Unable to query results:", err)
}
var v any
if err := rows.Scan(&v); err != nil {
t.Fatal("Unable to scan results:", err)
}
f, ok := v.(float64)
if !ok {
t.Error("Expected float but not")
}
if f != 3.141592 {
t.Error("Expected 3.141592 but not")
}
}
func TestTransaction(t *testing.T) {
db, err := sql.Open("sqlite3", ":memory:")
if err != nil {
t.Fatal("Failed to open database:", err)
}
defer db.Close()
_, err = db.Exec("CREATE TABLE foo(id INTEGER)")
if err != nil {
t.Fatal("Failed to create table:", err)
}
tx, err := db.Begin()
if err != nil {
t.Fatal("Failed to begin transaction:", err)
}
_, err = tx.Exec("INSERT INTO foo(id) VALUES(1)")
if err != nil {
t.Fatal("Failed to insert null:", err)
}
rows, err := tx.Query("SELECT id from foo")
if err != nil {
t.Fatal("Unable to query foo table:", err)
}
err = tx.Rollback()
if err != nil {
t.Fatal("Failed to rollback transaction:", err)
}
if rows.Next() {
t.Fatal("Unable to query results:", err)
}
tx, err = db.Begin()
if err != nil {
t.Fatal("Failed to begin transaction:", err)
}
_, err = tx.Exec("INSERT INTO foo(id) VALUES(1)")
if err != nil {
t.Fatal("Failed to insert null:", err)
}
err = tx.Commit()
if err != nil {
t.Fatal("Failed to commit transaction:", err)
}
rows, err = tx.Query("SELECT id from foo")
if err == nil {
t.Fatal("Expected failure to query")
}
}
func TestWAL(t *testing.T) {
db, err := sql.Open("sqlite3", ":memory:")
if err != nil {
t.Fatal("Failed to open database:", err)
}
defer db.Close()
if _, err = db.Exec("PRAGMA journal_mode=WAL;"); err != nil {
t.Fatal("Failed to Exec PRAGMA journal_mode:", err)
}
if _, err = db.Exec("PRAGMA locking_mode=EXCLUSIVE;"); err != nil {
t.Fatal("Failed to Exec PRAGMA locking_mode:", err)
}
if _, err = db.Exec("CREATE TABLE test (id SERIAL, user TEXT NOT NULL, name TEXT NOT NULL);"); err != nil {
t.Fatal("Failed to Exec CREATE TABLE:", err)
}
if _, err = db.Exec("INSERT INTO test (user, name) VALUES ('user','name');"); err != nil {
t.Fatal("Failed to Exec INSERT:", err)
}
trans, err := db.Begin()
if err != nil {
t.Fatal("Failed to Begin:", err)
}
s, err := trans.Prepare("INSERT INTO test (user, name) VALUES (?, ?);")
if err != nil {
t.Fatal("Failed to Prepare:", err)
}
var count int
if err = trans.QueryRow("SELECT count(user) FROM test;").Scan(&count); err != nil {
t.Fatal("Failed to QueryRow:", err)
}
if _, err = s.Exec("bbbb", "aaaa"); err != nil {
t.Fatal("Failed to Exec prepared statement:", err)
}
if err = s.Close(); err != nil {
t.Fatal("Failed to Close prepared statement:", err)
}
if err = trans.Commit(); err != nil {
t.Fatal("Failed to Commit:", err)
}
}
func TestTimezoneConversion(t *testing.T) {
zones := []string{"UTC", "US/Central", "US/Pacific", "Local"}
for _, tz := range zones {
db, err := sql.Open("sqlite3", "file:tz?mode=memory&_loc="+url.QueryEscape(tz))
if err != nil {
t.Fatal("Failed to open database:", err)
}
defer db.Close()
_, err = db.Exec("DROP TABLE foo")
_, err = db.Exec("CREATE TABLE foo(id INTEGER, ts TIMESTAMP, dt DATETIME)")
if err != nil {
t.Fatal("Failed to create table:", err)
}
loc, err := time.LoadLocation(tz)
if err != nil {
t.Fatal("Failed to load location:", err)
}
timestamp1 := time.Date(2012, time.April, 6, 22, 50, 0, 0, time.UTC)
timestamp2 := time.Date(2006, time.January, 2, 15, 4, 5, 123456789, time.UTC)
timestamp3 := time.Date(2012, time.November, 4, 0, 0, 0, 0, time.UTC)
tests := []struct {
value any
expected time.Time
}{
{"nonsense", time.Time{}.In(loc)},
{"0000-00-00 00:00:00", time.Time{}.In(loc)},
{timestamp1, timestamp1.In(loc)},
{timestamp1.Unix(), timestamp1.In(loc)},
{timestamp1.In(time.FixedZone("TEST", -7*3600)), timestamp1.In(loc)},
{timestamp1.Format("2006-01-02 15:04:05.000"), timestamp1.In(loc)},
{timestamp1.Format("2006-01-02T15:04:05.000"), timestamp1.In(loc)},
{timestamp1.Format("2006-01-02 15:04:05"), timestamp1.In(loc)},
{timestamp1.Format("2006-01-02T15:04:05"), timestamp1.In(loc)},
{timestamp2, timestamp2.In(loc)},
{"2006-01-02 15:04:05.123456789", timestamp2.In(loc)},
{"2006-01-02T15:04:05.123456789", timestamp2.In(loc)},
{"2012-11-04", timestamp3.In(loc)},
{"2012-11-04 00:00", timestamp3.In(loc)},
{"2012-11-04 00:00:00", timestamp3.In(loc)},
{"2012-11-04 00:00:00.000", timestamp3.In(loc)},
{"2012-11-04T00:00", timestamp3.In(loc)},
{"2012-11-04T00:00:00", timestamp3.In(loc)},
{"2012-11-04T00:00:00.000", timestamp3.In(loc)},
}
for i := range tests {
_, err = db.Exec("INSERT INTO foo(id, ts, dt) VALUES(?, ?, ?)", i, tests[i].value, tests[i].value)
if err != nil {
t.Fatal("Failed to insert timestamp:", err)
}
}
rows, err := db.Query("SELECT id, ts, dt FROM foo ORDER BY id ASC")
if err != nil {
t.Fatal("Unable to query foo table:", err)
}
defer rows.Close()
seen := 0
for rows.Next() {
var id int
var ts, dt time.Time
if err := rows.Scan(&id, &ts, &dt); err != nil {
t.Error("Unable to scan results:", err)
continue
}
if id < 0 || id >= len(tests) {
t.Error("Bad row id: ", id)
continue
}
seen++
if !tests[id].expected.Equal(ts) {
t.Errorf("Timestamp value for id %v (%v) should be %v, not %v", id, tests[id].value, tests[id].expected, ts)
}
if !tests[id].expected.Equal(dt) {
t.Errorf("Datetime value for id %v (%v) should be %v, not %v", id, tests[id].value, tests[id].expected, dt)
}
if tests[id].expected.Location().String() != ts.Location().String() {
t.Errorf("Location for id %v (%v) should be %v, not %v", id, tests[id].value, tests[id].expected.Location().String(), ts.Location().String())
}
if tests[id].expected.Location().String() != dt.Location().String() {
t.Errorf("Location for id %v (%v) should be %v, not %v", id, tests[id].value, tests[id].expected.Location().String(), dt.Location().String())
}
}
if seen != len(tests) {
t.Errorf("Expected to see %d rows", len(tests))
}
}
}
// TODO: Execer & Queryer currently disabled
// https://github.com/mattn/go-sqlite3/issues/82
func TestExecer(t *testing.T) {
db, err := sql.Open("sqlite3", ":memory:")
if err != nil {
t.Fatal("Failed to open database:", err)
}
defer db.Close()
_, err = db.Exec(`
create table foo (id integer); -- one comment
insert into foo(id) values(?);
insert into foo(id) values(?);
insert into foo(id) values(?); -- another comment
`, 1, 2, 3)
if err != nil {
t.Error("Failed to call db.Exec:", err)
}
}
func TestQueryer(t *testing.T) {
db, err := sql.Open("sqlite3", ":memory:")
if err != nil {
t.Fatal("Failed to open database:", err)
}
defer db.Close()
_, err = db.Exec(`
create table foo (id integer);
`)
if err != nil {
t.Error("Failed to call db.Query:", err)
}
_, err = db.Exec(`
insert into foo(id) values(?);
insert into foo(id) values(?);
insert into foo(id) values(?);
`, 3, 2, 1)
if err != nil {
t.Error("Failed to call db.Exec:", err)
}
rows, err := db.Query(`
select id from foo order by id;
`)
if err != nil {
t.Error("Failed to call db.Query:", err)
}
defer rows.Close()
n := 0
for rows.Next() {
var id int
err = rows.Scan(&id)
if err != nil {
t.Error("Failed to db.Query:", err)
}
if id != n+1 {
t.Error("Failed to db.Query: not matched results")
}
n = n + 1
}
if err := rows.Err(); err != nil {
t.Errorf("Post-scan failed: %v\n", err)
}
if n != 3 {
t.Errorf("Expected 3 rows but retrieved %v", n)
}
}
func TestStress(t *testing.T) {
db, err := sql.Open("sqlite3", ":memory:")
if err != nil {
t.Fatal("Failed to open database:", err)
}
defer db.Close()
db.Exec("CREATE TABLE foo (id int);")
db.Exec("INSERT INTO foo VALUES(1);")
db.Exec("INSERT INTO foo VALUES(2);")
for i := 0; i < 10000; i++ {
for j := 0; j < 3; j++ {
rows, err := db.Query("select * from foo where id=1;")
if err != nil {
t.Error("Failed to call db.Query:", err)
}
for rows.Next() {
var i int
if err := rows.Scan(&i); err != nil {
t.Errorf("Scan failed: %v\n", err)
}
}
if err := rows.Err(); err != nil {
t.Errorf("Post-scan failed: %v\n", err)
}
rows.Close()
}
}
}
func TestDateTimeLocal(t *testing.T) {
const zone = "Asia/Tokyo"
tempFilename := TempFilename(t)
defer os.Remove(tempFilename)
filename1 := tempFilename
filename2 := filename1 + "?_loc=" + zone
db1, err := sql.Open("sqlite3", filename2)
if err != nil {
t.Fatal("Failed to open database:", err)
}
defer db1.Close()
db1.Exec("CREATE TABLE foo (dt datetime);")
db1.Exec("INSERT INTO foo VALUES('2015-03-05 15:16:17');")
row := db1.QueryRow("select * from foo")
var d time.Time
err = row.Scan(&d)
if err != nil {
t.Fatal("Failed to scan datetime:", err)
}
if d.Hour() == 15 || !strings.Contains(d.String(), "JST") {
t.Fatal("Result should have timezone", d)
}
db2, err := sql.Open("sqlite3", filename1)
if err != nil {
t.Fatal("Failed to open database:", err)
}
defer db2.Close()
row = db2.QueryRow("select * from foo")
err = row.Scan(&d)
if err != nil {
t.Fatal("Failed to scan datetime:", err)
}
if d.UTC().Hour() != 15 || !strings.Contains(d.String(), "UTC") {
t.Fatalf("Result should not have timezone %v %v", zone, d.String())
}
_, err = db2.Exec("DELETE FROM foo")
if err != nil {
t.Fatal("Failed to delete table:", err)
}
dt, err := time.Parse("2006/1/2 15/4/5 -0700 MST", "2015/3/5 15/16/17 +0900 JST")
if err != nil {
t.Fatal("Failed to parse datetime:", err)
}
db2.Exec("INSERT INTO foo VALUES(?);", dt)
db3, err := sql.Open("sqlite3", filename2)
if err != nil {
t.Fatal("Failed to open database:", err)
}
defer db3.Close()
row = db3.QueryRow("select * from foo")
err = row.Scan(&d)
if err != nil {
t.Fatal("Failed to scan datetime:", err)
}
if d.Hour() != 15 || !strings.Contains(d.String(), "JST") {
t.Fatalf("Result should have timezone %v %v", zone, d.String())
}
}
func TestVersion(t *testing.T) {
s, n, id := LibVersion()
if s == "" || n == 0 || id == "" {
t.Errorf("Version failed %q, %d, %q\n", s, n, id)
}
}
func TestStringContainingZero(t *testing.T) {
db, err := sql.Open("sqlite3", ":memory:")
if err != nil {
t.Fatal("Failed to open database:", err)
}
defer db.Close()
_, err = db.Exec(`
create table foo (id integer, name, extra text);
`)
if err != nil {
t.Error("Failed to call db.Query:", err)
}
const text = "foo\x00bar"
_, err = db.Exec(`insert into foo(id, name, extra) values($1, $2, $2)`, 1, text)
if err != nil {
t.Error("Failed to call db.Exec:", err)
}
row := db.QueryRow(`select id, extra from foo where id = $1 and extra = $2`, 1, text)
if row == nil {
t.Error("Failed to call db.QueryRow")
}
var id int
var extra string
err = row.Scan(&id, &extra)
if err != nil {
t.Error("Failed to db.Scan:", err)
}
if id != 1 || extra != text {
t.Error("Failed to db.QueryRow: not matched results")
}
}
const CurrentTimeStamp = "2006-01-02 15:04:05"
type TimeStamp struct{ *time.Time }
func (t TimeStamp) Scan(value any) error {
var err error
switch v := value.(type) {
case string:
*t.Time, err = time.Parse(CurrentTimeStamp, v)
case []byte:
*t.Time, err = time.Parse(CurrentTimeStamp, string(v))
default:
err = errors.New("invalid type for current_timestamp")
}
return err
}
func (t TimeStamp) Value() (driver.Value, error) {
return t.Time.Format(CurrentTimeStamp), nil
}
func TestDateTimeNow(t *testing.T) {
db, err := sql.Open("sqlite3", ":memory:")
if err != nil {
t.Fatal("Failed to open database:", err)
}
defer db.Close()
var d time.Time
err = db.QueryRow("SELECT datetime('now')").Scan(TimeStamp{&d})
if err != nil {
t.Fatal("Failed to scan datetime:", err)
}
}
func TestFunctionRegistration(t *testing.T) {
addi8_16_32 := func(a int8, b int16) int32 { return int32(a) + int32(b) }
addi64 := func(a, b int64) int64 { return a + b }
addu8_16_32 := func(a uint8, b uint16) uint32 { return uint32(a) + uint32(b) }
addu64 := func(a, b uint64) uint64 { return a + b }
addiu := func(a int, b uint) int64 { return int64(a) + int64(b) }
addf32_64 := func(a float32, b float64) float64 { return float64(a) + b }
not := func(a bool) bool { return !a }
regex := func(re, s string) (bool, error) {
return regexp.MatchString(re, s)
}
generic := func(a any) int64 {
switch a.(type) {
case int64:
return 1
case float64:
return 2
case []byte:
return 3
case string:
return 4
default:
panic("unreachable")
}
}
variadic := func(a, b int64, c ...int64) int64 {
ret := a + b
for _, d := range c {
ret += d
}
return ret
}
variadicGeneric := func(a ...any) int64 {
return int64(len(a))
}
sql.Register("sqlite3_FunctionRegistration", &SQLiteDriver{
ConnectHook: func(conn *SQLiteConn) error {
if err := conn.RegisterFunc("addi8_16_32", addi8_16_32, true); err != nil {
return err
}
if err := conn.RegisterFunc("addi64", addi64, true); err != nil {
return err
}
if err := conn.RegisterFunc("addu8_16_32", addu8_16_32, true); err != nil {
return err
}
if err := conn.RegisterFunc("addu64", addu64, true); err != nil {
return err
}
if err := conn.RegisterFunc("addiu", addiu, true); err != nil {
return err
}
if err := conn.RegisterFunc("addf32_64", addf32_64, true); err != nil {
return err
}
if err := conn.RegisterFunc("not", not, true); err != nil {
return err
}
if err := conn.RegisterFunc("regex", regex, true); err != nil {
return err
}
if err := conn.RegisterFunc("generic", generic, true); err != nil {
return err
}
if err := conn.RegisterFunc("variadic", variadic, true); err != nil {
return err
}
if err := conn.RegisterFunc("variadicGeneric", variadicGeneric, true); err != nil {
return err
}
return nil
},
})
db, err := sql.Open("sqlite3_FunctionRegistration", ":memory:")
if err != nil {
t.Fatal("Failed to open database:", err)
}
defer db.Close()
ops := []struct {
query string
expected any
}{
{"SELECT addi8_16_32(1,2)", int32(3)},
{"SELECT addi64(1,2)", int64(3)},
{"SELECT addu8_16_32(1,2)", uint32(3)},
{"SELECT addu64(1,2)", uint64(3)},
{"SELECT addiu(1,2)", int64(3)},
{"SELECT addf32_64(1.5,1.5)", float64(3)},
{"SELECT not(1)", false},
{"SELECT not(0)", true},
{`SELECT regex('^foo.*', 'foobar')`, true},
{`SELECT regex('^foo.*', 'barfoobar')`, false},
{"SELECT generic(1)", int64(1)},
{"SELECT generic(1.1)", int64(2)},
{`SELECT generic(NULL)`, int64(3)},
{`SELECT generic('foo')`, int64(4)},
{"SELECT variadic(1,2)", int64(3)},
{"SELECT variadic(1,2,3,4)", int64(10)},
{"SELECT variadic(1,1,1,1,1,1,1,1,1,1)", int64(10)},
{`SELECT variadicGeneric(1,'foo',2.3, NULL)`, int64(4)},
}
for _, op := range ops {
ret := reflect.New(reflect.TypeOf(op.expected))
err = db.QueryRow(op.query).Scan(ret.Interface())
if err != nil {
t.Errorf("Query %q failed: %s", op.query, err)
} else if !reflect.DeepEqual(ret.Elem().Interface(), op.expected) {
t.Errorf("Query %q returned wrong value: got %v (%T), want %v (%T)", op.query, ret.Elem().Interface(), ret.Elem().Interface(), op.expected, op.expected)
}
}
}
type sumAggregator int64
func (s *sumAggregator) Step(x int64) {
*s += sumAggregator(x)
}
func (s *sumAggregator) Done() int64 {
return int64(*s)
}
func TestAggregatorRegistration(t *testing.T) {
customSum := func() *sumAggregator {
var ret sumAggregator
return &ret
}
sql.Register("sqlite3_AggregatorRegistration", &SQLiteDriver{
ConnectHook: func(conn *SQLiteConn) error {
return conn.RegisterAggregator("customSum", customSum, true)
},
})
db, err := sql.Open("sqlite3_AggregatorRegistration", ":memory:")
if err != nil {
t.Fatal("Failed to open database:", err)
}
defer db.Close()
_, err = db.Exec("create table foo (department integer, profits integer)")
if err != nil {
// trace feature is not implemented
t.Skip("Failed to create table:", err)
}
_, err = db.Exec("insert into foo values (1, 10), (1, 20), (2, 42)")
if err != nil {
t.Fatal("Failed to insert records:", err)
}
tests := []struct {
dept, sum int64
}{
{1, 30},
{2, 42},
}
for _, test := range tests {
var ret int64
err = db.QueryRow("select customSum(profits) from foo where department = $1 group by department", test.dept).Scan(&ret)
if err != nil {
t.Fatal("Query failed:", err)
}
if ret != test.sum {
t.Fatalf("Custom sum returned wrong value, got %d, want %d", ret, test.sum)
}
}
}
type mode struct {
counts map[any]int
top any
topCount int
}
func newMode() *mode {
return &mode{
counts: map[any]int{},
}
}
func (m *mode) Step(x any) {
m.counts[x]++
c := m.counts[x]
if c > m.topCount {
m.top = x
m.topCount = c
}
}
func (m *mode) Done() any {
return m.top
}
func TestAggregatorRegistration_GenericReturn(t *testing.T) {
sql.Register("sqlite3_AggregatorRegistration_GenericReturn", &SQLiteDriver{
ConnectHook: func(conn *SQLiteConn) error {
return conn.RegisterAggregator("mode", newMode, true)
},
})
db, err := sql.Open("sqlite3_AggregatorRegistration_GenericReturn", ":memory:")
if err != nil {
t.Fatal("Failed to open database:", err)
}
defer db.Close()
_, err = db.Exec("create table foo (department integer, profits integer)")
if err != nil {
t.Fatal("Failed to create table:", err)
}
_, err = db.Exec("insert into foo values (1, 10), (1, 20), (1, 45), (2, 42), (2, 115), (2, 20)")
if err != nil {
t.Fatal("Failed to insert records:", err)
}
var mode int
err = db.QueryRow("select mode(profits) from foo").Scan(&mode)
if err != nil {
t.Fatal("MODE query error:", err)
}
if mode != 20 {
t.Fatal("Got incorrect mode. Wanted 20, got: ", mode)
}
}
func rot13(r rune) rune {
switch {
case r >= 'A' && r <= 'Z':
return 'A' + (r-'A'+13)%26
case r >= 'a' && r <= 'z':
return 'a' + (r-'a'+13)%26
}
return r
}
func TestCollationRegistration(t *testing.T) {
collateRot13 := func(a, b string) int {
ra, rb := strings.Map(rot13, a), strings.Map(rot13, b)
return strings.Compare(ra, rb)
}
collateRot13Reverse := func(a, b string) int {
return collateRot13(b, a)
}
sql.Register("sqlite3_CollationRegistration", &SQLiteDriver{
ConnectHook: func(conn *SQLiteConn) error {
if err := conn.RegisterCollation("rot13", collateRot13); err != nil {
return err
}
if err := conn.RegisterCollation("rot13reverse", collateRot13Reverse); err != nil {
return err
}
return nil
},
})
db, err := sql.Open("sqlite3_CollationRegistration", ":memory:")
if err != nil {
t.Fatal("Failed to open database:", err)
}
defer db.Close()
populate := []string{
`CREATE TABLE test (s TEXT)`,
`INSERT INTO test VALUES ('aaaa')`,
`INSERT INTO test VALUES ('ffff')`,
`INSERT INTO test VALUES ('qqqq')`,
`INSERT INTO test VALUES ('tttt')`,
`INSERT INTO test VALUES ('zzzz')`,
}
for _, stmt := range populate {
if _, err := db.Exec(stmt); err != nil {
t.Fatal("Failed to populate test DB:", err)
}
}
ops := []struct {
query string
want []string
}{
{
"SELECT * FROM test ORDER BY s COLLATE rot13 ASC",
[]string{
"qqqq",
"tttt",
"zzzz",
"aaaa",
"ffff",
},
},
{
"SELECT * FROM test ORDER BY s COLLATE rot13 DESC",
[]string{
"ffff",
"aaaa",
"zzzz",
"tttt",
"qqqq",
},
},
{
"SELECT * FROM test ORDER BY s COLLATE rot13reverse ASC",
[]string{
"ffff",
"aaaa",
"zzzz",
"tttt",
"qqqq",
},
},
{
"SELECT * FROM test ORDER BY s COLLATE rot13reverse DESC",
[]string{
"qqqq",
"tttt",
"zzzz",
"aaaa",
"ffff",
},
},
}
for _, op := range ops {
rows, err := db.Query(op.query)
if err != nil {
t.Fatalf("Query %q failed: %s", op.query, err)
}
got := []string{}
defer rows.Close()
for rows.Next() {
var s string
if err = rows.Scan(&s); err != nil {
t.Fatalf("Reading row for %q: %s", op.query, err)
}
got = append(got, s)
}
if err = rows.Err(); err != nil {
t.Fatalf("Reading rows for %q: %s", op.query, err)
}
if !reflect.DeepEqual(got, op.want) {
t.Fatalf("Unexpected output from %q\ngot:\n%s\n\nwant:\n%s", op.query, strings.Join(got, "\n"), strings.Join(op.want, "\n"))
}
}
}
func TestDeclTypes(t *testing.T) {
d := SQLiteDriver{}
conn, err := d.Open(":memory:")
if err != nil {
t.Fatal("Failed to begin transaction:", err)
}
defer conn.Close()
sqlite3conn := conn.(*SQLiteConn)
_, err = sqlite3conn.Exec("create table foo (id integer not null primary key, name text)", nil)
if err != nil {
t.Fatal("Failed to create table:", err)
}
_, err = sqlite3conn.Exec("insert into foo(name) values('bar')", nil)
if err != nil {
t.Fatal("Failed to insert:", err)
}
rs, err := sqlite3conn.Query("select * from foo", nil)
if err != nil {
t.Fatal("Failed to select:", err)
}
defer rs.Close()
declTypes := rs.(*SQLiteRows).DeclTypes()
if !reflect.DeepEqual(declTypes, []string{"integer", "text"}) {
t.Fatal("Unexpected declTypes:", declTypes)
}
}
func TestPinger(t *testing.T) {
db, err := sql.Open("sqlite3", ":memory:")
if err != nil {
t.Fatal(err)
}
err = db.Ping()
if err != nil {
t.Fatal(err)
}
db.Close()
err = db.Ping()
if err == nil {
t.Fatal("Should be closed")
}
}
func TestUpdateAndTransactionHooks(t *testing.T) {
var events []string
var commitHookReturn = 0
sql.Register("sqlite3_UpdateHook", &SQLiteDriver{
ConnectHook: func(conn *SQLiteConn) error {
conn.RegisterCommitHook(func() int {
events = append(events, "commit")
return commitHookReturn
})
conn.RegisterRollbackHook(func() {
events = append(events, "rollback")
})
conn.RegisterUpdateHook(func(op int, db string, table string, rowid int64) {
events = append(events, fmt.Sprintf("update(op=%v db=%v table=%v rowid=%v)", op, db, table, rowid))
})
return nil
},
})
db, err := sql.Open("sqlite3_UpdateHook", ":memory:")
if err != nil {
t.Fatal("Failed to open database:", err)
}
defer db.Close()
statements := []string{
"create table foo (id integer primary key)",
"insert into foo values (9)",
"update foo set id = 99 where id = 9",
"delete from foo where id = 99",
}
for _, statement := range statements {
_, err = db.Exec(statement)
if err != nil {
t.Fatalf("Unable to prepare test data [%v]: %v", statement, err)
}
}
commitHookReturn = 1
_, err = db.Exec("insert into foo values (5)")
if err == nil {
t.Error("Commit hook failed to rollback transaction")
}
var expected = []string{
"commit",
fmt.Sprintf("update(op=%v db=main table=foo rowid=9)", SQLITE_INSERT),
"commit",
fmt.Sprintf("update(op=%v db=main table=foo rowid=99)", SQLITE_UPDATE),
"commit",
fmt.Sprintf("update(op=%v db=main table=foo rowid=99)", SQLITE_DELETE),
"commit",
fmt.Sprintf("update(op=%v db=main table=foo rowid=5)", SQLITE_INSERT),
"commit",
"rollback",
}
if !reflect.DeepEqual(events, expected) {
t.Errorf("Expected notifications %v but got %v", expected, events)
}
}
func TestAuthorizer(t *testing.T) {
var authorizerReturn = 0
sql.Register("sqlite3_Authorizer", &SQLiteDriver{
ConnectHook: func(conn *SQLiteConn) error {
conn.RegisterAuthorizer(func(op int, arg1, arg2, arg3 string) int {
return authorizerReturn
})
return nil
},
})
db, err := sql.Open("sqlite3_Authorizer", ":memory:")
if err != nil {
t.Fatal("Failed to open database:", err)
}
defer db.Close()
statements := []string{
"create table foo (id integer primary key, name varchar)",
"insert into foo values (9, 'test9')",
"update foo set name = 'test99' where id = 9",
"select * from foo",
}
authorizerReturn = SQLITE_OK
for _, statement := range statements {
_, err = db.Exec(statement)
if err != nil {
t.Fatalf("No error expected [%v]: %v", statement, err)
}
}
authorizerReturn = SQLITE_DENY
for _, statement := range statements {
_, err = db.Exec(statement)
if err == nil {
t.Fatalf("Authorizer didn't worked - nil received, but error expected: [%v]", statement)
}
}
}
func TestSetFileControlInt(t *testing.T) {
t.Run("PERSIST_WAL", func(t *testing.T) {
tempFilename := TempFilename(t)
defer os.Remove(tempFilename)
sql.Register("sqlite3_FCNTL_PERSIST_WAL", &SQLiteDriver{
ConnectHook: func(conn *SQLiteConn) error {
if err := conn.SetFileControlInt("", SQLITE_FCNTL_PERSIST_WAL, 1); err != nil {
return fmt.Errorf("Unexpected error from SetFileControlInt(): %w", err)
}
return nil
},
})
db, err := sql.Open("sqlite3_FCNTL_PERSIST_WAL", tempFilename)
if err != nil {
t.Fatal("Failed to open database:", err)
}
defer db.Close()
// Set to WAL mode & write a page.
if _, err := db.Exec(`PRAGMA journal_mode = wal`); err != nil {
t.Fatal("Failed to set journal mode:", err)
} else if _, err := db.Exec(`CREATE TABLE t (x)`); err != nil {
t.Fatal("Failed to create table:", err)
}
if err := db.Close(); err != nil {
t.Fatal("Failed to close database", err)
}
// Ensure WAL file persists after close.
if _, err := os.Stat(tempFilename + "-wal"); err != nil {
t.Fatal("Expected WAL file to be persisted after close", err)
}
})
}
func TestNonColumnString(t *testing.T) {
db, err := sql.Open("sqlite3", ":memory:")
if err != nil {
t.Fatal(err)
}
defer db.Close()
var x any
if err := db.QueryRow("SELECT 'hello'").Scan(&x); err != nil {
t.Fatal(err)
}
s, ok := x.(string)
if !ok {
t.Fatalf("non-column string must return string but got %T", x)
}
if s != "hello" {
t.Fatalf("non-column string must return %q but got %q", "hello", s)
}
}
func TestNilAndEmptyBytes(t *testing.T) {
db, err := sql.Open("sqlite3", ":memory:")
if err != nil {
t.Fatal(err)
}
defer db.Close()
actualNil := []byte("use this to use an actual nil not a reference to nil")
emptyBytes := []byte{}
for tsti, tst := range []struct {
name string
columnType string
insertBytes []byte
expectedBytes []byte
}{
{"actual nil blob", "blob", actualNil, nil},
{"referenced nil blob", "blob", nil, nil},
{"empty blob", "blob", emptyBytes, emptyBytes},
{"actual nil text", "text", actualNil, nil},
{"referenced nil text", "text", nil, nil},
{"empty text", "text", emptyBytes, emptyBytes},
} {
if _, err = db.Exec(fmt.Sprintf("create table tbl%d (txt %s)", tsti, tst.columnType)); err != nil {
t.Fatal(tst.name, err)
}
if bytes.Equal(tst.insertBytes, actualNil) {
if _, err = db.Exec(fmt.Sprintf("insert into tbl%d (txt) values (?)", tsti), nil); err != nil {
t.Fatal(tst.name, err)
}
} else {
if _, err = db.Exec(fmt.Sprintf("insert into tbl%d (txt) values (?)", tsti), &tst.insertBytes); err != nil {
t.Fatal(tst.name, err)
}
}
rows, err := db.Query(fmt.Sprintf("select txt from tbl%d", tsti))
if err != nil {
t.Fatal(tst.name, err)
}
if !rows.Next() {
t.Fatal(tst.name, "no rows")
}
var scanBytes []byte
if err = rows.Scan(&scanBytes); err != nil {
t.Fatal(tst.name, err)
}
if err = rows.Err(); err != nil {
t.Fatal(tst.name, err)
}
if tst.expectedBytes == nil && scanBytes != nil {
t.Errorf("%s: %#v != %#v", tst.name, scanBytes, tst.expectedBytes)
} else if !bytes.Equal(scanBytes, tst.expectedBytes) {
t.Errorf("%s: %#v != %#v", tst.name, scanBytes, tst.expectedBytes)
}
}
}
func TestInsertNilByteSlice(t *testing.T) {
db, err := sql.Open("sqlite3", ":memory:")
if err != nil {
t.Fatal(err)
}
defer db.Close()
if _, err := db.Exec("create table blob_not_null (b blob not null)"); err != nil {
t.Fatal(err)
}
var nilSlice []byte
if _, err := db.Exec("insert into blob_not_null (b) values (?)", nilSlice); err == nil {
t.Fatal("didn't expect INSERT to 'not null' column with a nil []byte slice to work")
}
zeroLenSlice := []byte{}
if _, err := db.Exec("insert into blob_not_null (b) values (?)", zeroLenSlice); err != nil {
t.Fatal("failed to insert zero-length slice")
}
}
func TestNamedParam(t *testing.T) {
tempFilename := TempFilename(t)
defer os.Remove(tempFilename)
db, err := sql.Open("sqlite3", ":memory:")
if err != nil {
t.Fatal("Failed to open database:", err)
}
defer db.Close()
_, err = db.Exec("drop table foo")
_, err = db.Exec("create table foo (id integer, name text, amount integer)")
if err != nil {
t.Fatal("Failed to create table:", err)
}
_, err = db.Exec("insert into foo(id, name, amount) values(:id, @name, $amount)",
sql.Named("bar", 42), sql.Named("baz", "quux"),
sql.Named("amount", 123), sql.Named("corge", "waldo"),
sql.Named("id", 2), sql.Named("name", "grault"))
if err != nil {
t.Fatal("Failed to insert record with named parameters:", err)
}
rows, err := db.Query("select id, name, amount from foo")
if err != nil {
t.Fatal("Failed to select records:", err)
}
defer rows.Close()
rows.Next()
var id, amount int
var name string
rows.Scan(&id, &name, &amount)
if id != 2 || name != "grault" || amount != 123 {
t.Errorf("Expected %d, %q, %d for fetched result, but got %d, %q, %d:", 2, "grault", 123, id, name, amount)
}
}
var customFunctionOnce sync.Once
func BenchmarkCustomFunctions(b *testing.B) {
customFunctionOnce.Do(func() {
customAdd := func(a, b int64) int64 {
return a + b
}
sql.Register("sqlite3_BenchmarkCustomFunctions", &SQLiteDriver{
ConnectHook: func(conn *SQLiteConn) error {
// Impure function to force sqlite to reexecute it each time.
return conn.RegisterFunc("custom_add", customAdd, false)
},
})
})
db, err := sql.Open("sqlite3_BenchmarkCustomFunctions", ":memory:")
if err != nil {
b.Fatal("Failed to open database:", err)
}
defer db.Close()
b.ResetTimer()
for i := 0; i < b.N; i++ {
var i int64
err = db.QueryRow("SELECT custom_add(1,2)").Scan(&i)
if err != nil {
b.Fatal("Failed to run custom add:", err)
}
}
}
func TestSuite(t *testing.T) {
initializeTestDB(t)
defer freeTestDB()
for _, test := range tests {
t.Run(test.Name, test.F)
}
}
func BenchmarkSuite(b *testing.B) {
initializeTestDB(b)
defer freeTestDB()
for _, benchmark := range benchmarks {
b.Run(benchmark.Name, benchmark.F)
}
}
// Dialect is a type of dialect of databases.
type Dialect int
// Dialects for databases.
const (
SQLITE Dialect = iota // SQLITE mean SQLite3 dialect
POSTGRESQL // POSTGRESQL mean PostgreSQL dialect
MYSQL // MYSQL mean MySQL dialect
)
// DB provide context for the tests
type TestDB struct {
testing.TB
*sql.DB
dialect Dialect
once sync.Once
tempFilename string
}
var tdb *TestDB
func initializeTestDB(t testing.TB) {
tempFilename := TempFilename(t)
d, err := sql.Open("sqlite3", tempFilename+"?_busy_timeout=99999")
if err != nil {
os.Remove(tempFilename)
t.Fatal(err)
}
tdb = &TestDB{t, d, SQLITE, sync.Once{}, tempFilename}
}
func freeTestDB() {
err := tdb.DB.Close()
if err != nil {
panic(err)
}
err = os.Remove(tdb.tempFilename)
if err != nil {
panic(err)
}
}
// the following tables will be created and dropped during the test
var testTables = []string{"foo", "bar", "t", "bench"}
var tests = []testing.InternalTest{
{Name: "TestResult", F: testResult},
{Name: "TestBlobs", F: testBlobs},
{Name: "TestMultiBlobs", F: testMultiBlobs},
{Name: "TestNullZeroLengthBlobs", F: testNullZeroLengthBlobs},
{Name: "TestManyQueryRow", F: testManyQueryRow},
{Name: "TestTxQuery", F: testTxQuery},
{Name: "TestPreparedStmt", F: testPreparedStmt},
{Name: "TestExecEmptyQuery", F: testExecEmptyQuery},
}
var benchmarks = []testing.InternalBenchmark{
{Name: "BenchmarkExec", F: benchmarkExec},
{Name: "BenchmarkQuery", F: benchmarkQuery},
{Name: "BenchmarkParams", F: benchmarkParams},
{Name: "BenchmarkStmt", F: benchmarkStmt},
{Name: "BenchmarkRows", F: benchmarkRows},
{Name: "BenchmarkStmtRows", F: benchmarkStmtRows},
}
func (db *TestDB) mustExec(sql string, args ...any) sql.Result {
res, err := db.Exec(sql, args...)
if err != nil {
db.Fatalf("Error running %q: %v", sql, err)
}
return res
}
func (db *TestDB) tearDown() {
for _, tbl := range testTables {
switch db.dialect {
case SQLITE:
db.mustExec("drop table if exists " + tbl)
case MYSQL, POSTGRESQL:
db.mustExec("drop table if exists " + tbl)
default:
db.Fatal("unknown dialect")
}
}
}
// q replaces ? parameters if needed
func (db *TestDB) q(sql string) string {
switch db.dialect {
case POSTGRESQL: // replace with $1, $2, ..
qrx := regexp.MustCompile(`\?`)
n := 0
return qrx.ReplaceAllStringFunc(sql, func(string) string {
n++
return "$" + strconv.Itoa(n)
})
}
return sql
}
func (db *TestDB) blobType(size int) string {
switch db.dialect {
case SQLITE:
return fmt.Sprintf("blob[%d]", size)
case POSTGRESQL:
return "bytea"
case MYSQL:
return fmt.Sprintf("VARBINARY(%d)", size)
}
panic("unknown dialect")
}
func (db *TestDB) serialPK() string {
switch db.dialect {
case SQLITE:
return "integer primary key autoincrement"
case POSTGRESQL:
return "serial primary key"
case MYSQL:
return "integer primary key auto_increment"
}
panic("unknown dialect")
}
func (db *TestDB) now() string {
switch db.dialect {
case SQLITE:
return "datetime('now')"
case POSTGRESQL:
return "now()"
case MYSQL:
return "now()"
}
panic("unknown dialect")
}
func makeBench() {
if _, err := tdb.Exec("create table bench (n varchar(32), i integer, d double, s varchar(32), t datetime)"); err != nil {
panic(err)
}
st, err := tdb.Prepare("insert into bench values (?, ?, ?, ?, ?)")
if err != nil {
panic(err)
}
defer st.Close()
for i := 0; i < 100; i++ {
if _, err = st.Exec(nil, i, float64(i), fmt.Sprintf("%d", i), time.Now()); err != nil {
panic(err)
}
}
}
// testResult is test for result
func testResult(t *testing.T) {
tdb.tearDown()
tdb.mustExec("create temporary table test (id " + tdb.serialPK() + ", name varchar(10))")
for i := 1; i < 3; i++ {
r := tdb.mustExec(tdb.q("insert into test (name) values (?)"), fmt.Sprintf("row %d", i))
n, err := r.RowsAffected()
if err != nil {
t.Fatal(err)
}
if n != 1 {
t.Errorf("got %v, want %v", n, 1)
}
n, err = r.LastInsertId()
if err != nil {
t.Fatal(err)
}
if n != int64(i) {
t.Errorf("got %v, want %v", n, i)
}
}
if _, err := tdb.Exec("error!"); err == nil {
t.Fatalf("expected error")
}
}
// testBlobs is test for blobs
func testBlobs(t *testing.T) {
tdb.tearDown()
var blob = []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}
tdb.mustExec("create table foo (id integer primary key, bar " + tdb.blobType(16) + ")")
tdb.mustExec(tdb.q("insert into foo (id, bar) values(?,?)"), 0, blob)
want := fmt.Sprintf("%x", blob)
b := make([]byte, 16)
err := tdb.QueryRow(tdb.q("select bar from foo where id = ?"), 0).Scan(&b)
got := fmt.Sprintf("%x", b)
if err != nil {
t.Errorf("[]byte scan: %v", err)
} else if got != want {
t.Errorf("for []byte, got %q; want %q", got, want)
}
err = tdb.QueryRow(tdb.q("select bar from foo where id = ?"), 0).Scan(&got)
want = string(blob)
if err != nil {
t.Errorf("string scan: %v", err)
} else if got != want {
t.Errorf("for string, got %q; want %q", got, want)
}
}
func testMultiBlobs(t *testing.T) {
tdb.tearDown()
tdb.mustExec("create table foo (id integer primary key, bar " + tdb.blobType(16) + ")")
var blob0 = []byte{0, 1, 2, 3, 4, 5, 6, 7}
tdb.mustExec(tdb.q("insert into foo (id, bar) values(?,?)"), 0, blob0)
var blob1 = []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}
tdb.mustExec(tdb.q("insert into foo (id, bar) values(?,?)"), 1, blob1)
r, err := tdb.Query(tdb.q("select bar from foo order by id"))
if err != nil {
t.Fatal(err)
}
defer r.Close()
if !r.Next() {
if r.Err() != nil {
t.Fatal(err)
}
t.Fatal("expected one rows")
}
want0 := fmt.Sprintf("%x", blob0)
b0 := make([]byte, 8)
err = r.Scan(&b0)
if err != nil {
t.Fatal(err)
}
got0 := fmt.Sprintf("%x", b0)
if !r.Next() {
if r.Err() != nil {
t.Fatal(err)
}
t.Fatal("expected one rows")
}
want1 := fmt.Sprintf("%x", blob1)
b1 := make([]byte, 16)
err = r.Scan(&b1)
if err != nil {
t.Fatal(err)
}
got1 := fmt.Sprintf("%x", b1)
if got0 != want0 {
t.Errorf("for []byte, got %q; want %q", got0, want0)
}
if got1 != want1 {
t.Errorf("for []byte, got %q; want %q", got1, want1)
}
}
// testBlobs tests that we distinguish between null and zero-length blobs
func testNullZeroLengthBlobs(t *testing.T) {
tdb.tearDown()
tdb.mustExec("create table foo (id integer primary key, bar " + tdb.blobType(16) + ")")
tdb.mustExec(tdb.q("insert into foo (id, bar) values(?,?)"), 0, nil)
tdb.mustExec(tdb.q("insert into foo (id, bar) values(?,?)"), 1, []byte{})
r0 := tdb.QueryRow(tdb.q("select bar from foo where id=0"))
var b0 []byte
err := r0.Scan(&b0)
if err != nil {
t.Fatal(err)
}
if b0 != nil {
t.Errorf("for id=0, got %x; want nil", b0)
}
r1 := tdb.QueryRow(tdb.q("select bar from foo where id=1"))
var b1 []byte
err = r1.Scan(&b1)
if err != nil {
t.Fatal(err)
}
if b1 == nil {
t.Error("for id=1, got nil; want zero-length slice")
} else if len(b1) > 0 {
t.Errorf("for id=1, got %x; want zero-length slice", b1)
}
}
// testManyQueryRow is test for many query row
func testManyQueryRow(t *testing.T) {
if testing.Short() {
t.Log("skipping in short mode")
return
}
tdb.tearDown()
tdb.mustExec("create table foo (id integer primary key, name varchar(50))")
tdb.mustExec(tdb.q("insert into foo (id, name) values(?,?)"), 1, "bob")
var name string
for i := 0; i < 10000; i++ {
err := tdb.QueryRow(tdb.q("select name from foo where id = ?"), 1).Scan(&name)
if err != nil || name != "bob" {
t.Fatalf("on query %d: err=%v, name=%q", i, err, name)
}
}
}
// testTxQuery is test for transactional query
func testTxQuery(t *testing.T) {
tdb.tearDown()
tx, err := tdb.Begin()
if err != nil {
t.Fatal(err)
}
defer tx.Rollback()
_, err = tx.Exec("create table foo (id integer primary key, name varchar(50))")
if err != nil {
t.Fatal(err)
}
_, err = tx.Exec(tdb.q("insert into foo (id, name) values(?,?)"), 1, "bob")
if err != nil {
t.Fatal(err)
}
r, err := tx.Query(tdb.q("select name from foo where id = ?"), 1)
if err != nil {
t.Fatal(err)
}
defer r.Close()
if !r.Next() {
if r.Err() != nil {
t.Fatal(err)
}
t.Fatal("expected one rows")
}
var name string
err = r.Scan(&name)
if err != nil {
t.Fatal(err)
}
}
// testPreparedStmt is test for prepared statement
func testPreparedStmt(t *testing.T) {
tdb.tearDown()
tdb.mustExec("CREATE TABLE t (count INT)")
sel, err := tdb.Prepare("SELECT count FROM t ORDER BY count DESC")
if err != nil {
t.Fatalf("prepare 1: %v", err)
}
ins, err := tdb.Prepare(tdb.q("INSERT INTO t (count) VALUES (?)"))
if err != nil {
t.Fatalf("prepare 2: %v", err)
}
for n := 1; n <= 3; n++ {
if _, err := ins.Exec(n); err != nil {
t.Fatalf("insert(%d) = %v", n, err)
}
}
const nRuns = 10
var wg sync.WaitGroup
for i := 0; i < nRuns; i++ {
wg.Add(1)
go func() {
defer wg.Done()
for j := 0; j < 10; j++ {
count := 0
if err := sel.QueryRow().Scan(&count); err != nil && err != sql.ErrNoRows {
t.Errorf("Query: %v", err)
return
}
if _, err := ins.Exec(rand.Intn(100)); err != nil {
t.Errorf("Insert: %v", err)
return
}
}
}()
}
wg.Wait()
}
// testEmptyQuery is test for validating the API in case of empty query
func testExecEmptyQuery(t *testing.T) {
tdb.tearDown()
res, err := tdb.Exec(" -- this is just a comment ")
if err != nil {
t.Fatalf("empty query err: %v", err)
}
_, err = res.LastInsertId()
if err != nil {
t.Fatalf("LastInsertId returned an error: %v", err)
}
_, err = res.RowsAffected()
if err != nil {
t.Fatalf("RowsAffected returned an error: %v", err)
}
}
// Benchmarks need to use panic() since b.Error errors are lost when
// running via testing.Benchmark() I would like to run these via go
// test -bench but calling Benchmark() from a benchmark test
// currently hangs go.
// benchmarkExec is benchmark for exec
func benchmarkExec(b *testing.B) {
for i := 0; i < b.N; i++ {
if _, err := tdb.Exec("select 1"); err != nil {
panic(err)
}
}
}
// benchmarkQuery is benchmark for query
func benchmarkQuery(b *testing.B) {
for i := 0; i < b.N; i++ {
var n sql.NullString
var i int
var f float64
var s string
// var t time.Time
if err := tdb.QueryRow("select null, 1, 1.1, 'foo'").Scan(&n, &i, &f, &s); err != nil {
panic(err)
}
}
}
// benchmarkParams is benchmark for params
func benchmarkParams(b *testing.B) {
for i := 0; i < b.N; i++ {
var n sql.NullString
var i int
var f float64
var s string
// var t time.Time
if err := tdb.QueryRow("select ?, ?, ?, ?", nil, 1, 1.1, "foo").Scan(&n, &i, &f, &s); err != nil {
panic(err)
}
}
}
// benchmarkStmt is benchmark for statement
func benchmarkStmt(b *testing.B) {
st, err := tdb.Prepare("select ?, ?, ?, ?")
if err != nil {
panic(err)
}
defer st.Close()
for n := 0; n < b.N; n++ {
var n sql.NullString
var i int
var f float64
var s string
// var t time.Time
if err := st.QueryRow(nil, 1, 1.1, "foo").Scan(&n, &i, &f, &s); err != nil {
panic(err)
}
}
}
// benchmarkRows is benchmark for rows
func benchmarkRows(b *testing.B) {
tdb.once.Do(makeBench)
for n := 0; n < b.N; n++ {
var n sql.NullString
var i int
var f float64
var s string
var t time.Time
r, err := tdb.Query("select * from bench")
if err != nil {
panic(err)
}
for r.Next() {
if err = r.Scan(&n, &i, &f, &s, &t); err != nil {
panic(err)
}
}
if err = r.Err(); err != nil {
panic(err)
}
}
}
// benchmarkStmtRows is benchmark for statement rows
func benchmarkStmtRows(b *testing.B) {
tdb.once.Do(makeBench)
st, err := tdb.Prepare("select * from bench")
if err != nil {
panic(err)
}
defer st.Close()
for n := 0; n < b.N; n++ {
var n sql.NullString
var i int
var f float64
var s string
var t time.Time
r, err := st.Query()
if err != nil {
panic(err)
}
for r.Next() {
if err = r.Scan(&n, &i, &f, &s, &t); err != nil {
panic(err)
}
}
if err = r.Err(); err != nil {
panic(err)
}
}
}
func MainTest() {
tests := []testing.InternalTest {
{ "TestBackupStepByStep", TestBackupStepByStep },
{ "TestBackupAllRemainingPages", TestBackupAllRemainingPages },
{ "TestBackupError", TestBackupError },
{ "TestCallbackArgCast", TestCallbackArgCast },
{ "TestCallbackConverters", TestCallbackConverters },
{ "TestCallbackReturnAny", TestCallbackReturnAny },
{ "TestSimpleError", TestSimpleError },
{ "TestCorruptDbErrors", TestCorruptDbErrors },
{ "TestSqlLogicErrors", TestSqlLogicErrors },
{ "TestExtendedErrorCodes_ForeignKey", TestExtendedErrorCodes_ForeignKey },
{ "TestExtendedErrorCodes_NotNull", TestExtendedErrorCodes_NotNull },
{ "TestExtendedErrorCodes_Unique", TestExtendedErrorCodes_Unique },
{ "TestError_SystemErrno", TestError_SystemErrno },
{ "TestBeginTxCancel", TestBeginTxCancel },
{ "TestStmtReadonly", TestStmtReadonly },
{ "TestNamedParams", TestNamedParams },
{ "TestShortTimeout", TestShortTimeout },
{ "TestExecContextCancel", TestExecContextCancel },
{ "TestQueryRowContextCancel", TestQueryRowContextCancel },
{ "TestQueryRowContextCancelParallel", TestQueryRowContextCancelParallel },
{ "TestExecCancel", TestExecCancel },
{ "TestOpenContext", TestOpenContext },
{ "TestFileCopyTruncate", TestFileCopyTruncate },
{ "TestExtensionsError", TestExtensionsError },
{ "TestLoadExtensionError", TestLoadExtensionError },
{ "TestColumnTableName", TestColumnTableName },
{ "TestFTS3", TestFTS3 },
{ "TestFTS4", TestFTS4 },
{ "TestMathFunctions", TestMathFunctions },
// { "TestPreUpdateHook", TestPreUpdateHook },
{ "TestSerializeDeserialize", TestSerializeDeserialize },
// { "TestUnlockNotify", TestUnlockNotify },
// { "TestUnlockNotifyMany", TestUnlockNotifyMany },
// { "TestUnlockNotifyDeadlock", TestUnlockNotifyDeadlock },
{ "TestCreateModule", TestCreateModule },
{ "TestVUpdate", TestVUpdate },
{ "TestCreateModuleEponymousOnly", TestCreateModuleEponymousOnly },
{ "TestOpen", TestOpen },
{ "TestOpenWithVFS", TestOpenWithVFS },
{ "TestOpenNoCreate", TestOpenNoCreate },
{ "TestReadonly", TestReadonly },
{ "TestForeignKeys", TestForeignKeys },
{ "TestDeferredForeignKey", TestDeferredForeignKey },
{ "TestRecursiveTriggers", TestRecursiveTriggers },
{ "TestClose", TestClose },
{ "TestInsert", TestInsert },
{ "TestUpsert", TestUpsert },
{ "TestUpdate", TestUpdate },
{ "TestDelete", TestDelete },
{ "TestBooleanRoundtrip", TestBooleanRoundtrip },
{ "TestTimestamp", TestTimestamp },
{ "TestBoolean", TestBoolean },
{ "TestFloat32", TestFloat32 },
{ "TestNull", TestNull },
{ "TestTransaction", TestTransaction },
{ "TestWAL", TestWAL },
{ "TestTimezoneConversion", TestTimezoneConversion },
{ "TestExecer", TestExecer },
{ "TestQueryer", TestQueryer },
{ "TestStress", TestStress },
{ "TestDateTimeLocal", TestDateTimeLocal },
{ "TestVersion", TestVersion },
{ "TestStringContainingZero", TestStringContainingZero },
{ "TestDateTimeNow", TestDateTimeNow },
// { "TestFunctionRegistration", TestFunctionRegistration },
// { "TestAggregatorRegistration", TestAggregatorRegistration },
// { "TestAggregatorRegistration_GenericReturn", TestAggregatorRegistration_GenericReturn },
// { "TestCollationRegistration", TestCollationRegistration },
{ "TestDeclTypes", TestDeclTypes },
{ "TestPinger", TestPinger },
// { "TestUpdateAndTransactionHooks", TestUpdateAndTransactionHooks },
// { "TestAuthorizer", TestAuthorizer },
{ "TestSetFileControlInt", TestSetFileControlInt },
{ "TestNonColumnString", TestNonColumnString },
{ "TestNilAndEmptyBytes", TestNilAndEmptyBytes },
{ "TestInsertNilByteSlice", TestInsertNilByteSlice },
{ "TestNamedParam", TestNamedParam },
// { "TestSuite", TestSuite }, // FIXME: too slow
}
benchmarks := []testing.InternalBenchmark {
/*
{ "BenchmarkCustomFunctions", BenchmarkCustomFunctions },
{ "BenchmarkSuite", BenchmarkSuite },
*/
}
fuzzTargets := []testing.InternalFuzzTarget {}
examples := []testing.InternalExample {}
m := testing.MainStart(
testdeps.TestDeps {},
tests,
benchmarks,
fuzzTargets,
examples,
)
os.Exit(m.Run())
}
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