5 files changed, 313 insertions, 0 deletions

diff --git a/tests/functional/extension.go b/tests/functional/extension.go
new file mode 100644
index 0000000..81c4494
--- /dev/null
+++ b/tests/functional/extension.go
@@ -0,0 +1,79 @@
+package main
+
+import (
+	"database/sql"
+	"fmt"
+	"log"
+	"os"
+	"reflect"
+
+	"golite"
+)
+
+
+
+func fatalif(err error) {
+	if err != nil {
+		log.Fatal(err)
+	}
+}
+
+func eq(given any, expected any) {
+	if !reflect.DeepEqual(given, expected) {
+		fmt.Fprintf(os.Stderr, "given != expected\n")
+		fmt.Fprintf(os.Stderr, "given:    %#v\n", given)
+		fmt.Fprintf(os.Stderr, "expected: %#v\n", expected)
+	}
+}
+
+
+
+func main() {
+	driver := golite.SQLiteDriver{
+		Extensions: []string{
+			"streq",
+		},
+	}
+	sql.Register("sqlite3-streq", &driver)
+
+	db, err := sql.Open("sqlite3-streq", ":memory:")
+	fatalif(err)
+	defer db.Close()
+
+	rows, err := db.Query(`
+		SELECT str, n FROM (
+			SELECT 'hello' as str, 1 as n
+			UNION
+			SELECT 'not'   as str, 2 as n
+			UNION
+			SELECT 'hello' as str, 3 as n
+		) WHERE streq(str, 'hello');
+	`)
+	fatalif(err)
+	defer rows.Close()
+
+	type pairT struct{
+		str string
+		id  int
+	}
+	var pairs []pairT
+	for rows.Next() {
+		var pair pairT
+		err := rows.Scan(&pair.str, &pair.id)
+		fatalif(err)
+		pairs = append(pairs, pair)
+	}
+	fatalif(rows.Err())
+
+	expected := []pairT{
+		pairT{
+			str: "hello",
+			id:  1,
+		},
+		pairT{
+			str: "hello",
+			id:  3,
+		},
+	}
+	eq(pairs, expected)
+}
diff --git a/tests/functional/json.go b/tests/functional/json.go
new file mode 100644
index 0000000..54954f7
--- /dev/null
+++ b/tests/functional/json.go
@@ -0,0 +1,96 @@
+package main
+
+import (
+	"database/sql"
+	"database/sql/driver"
+	"encoding/json"
+	"errors"
+	"log"
+	"os"
+
+	_ "golite"
+)
+
+type Tag struct {
+	Name  string `json:"name"`
+	Place string `json:"place"`
+}
+
+func (t *Tag) Scan(value interface{}) error {
+	return json.Unmarshal([]byte(value.(string)), t)
+}
+
+func (t *Tag) Value() (driver.Value, error) {
+	b, err := json.Marshal(t)
+	return string(b), err
+}
+
+func main() {
+	os.Remove("json.db")
+	defer os.Remove("json.db")
+
+	db, err := sql.Open("sqlite3", "json.db")
+	if err != nil {
+		log.Fatal(err)
+	}
+	defer db.Close()
+
+	_, err = db.Exec(`create table myjsontable (tag jsonb)`)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	stmt, err := db.Prepare("insert into myjsontable(tag) values(?)")
+	if err != nil {
+		log.Fatal(err)
+	}
+	defer stmt.Close()
+
+	_, err = stmt.Exec(`{"name": "name1", "place": "right-here"}`)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	_, err = stmt.Exec(`{"name": "michael", "place": "usa"}`)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	var place string
+	err = db.QueryRow("select tag->>'place' from myjsontable where tag->>'name' = 'name1'").Scan(&place)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	if place != "right-here" {
+		log.Fatal(errors.New("expected right-here, got: " + place))
+	}
+
+	var tag Tag
+	err = db.QueryRow("select tag from myjsontable where tag->>'name' = 'name1'").Scan(&tag)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	if tag.Name != "name1" {
+		log.Fatal(errors.New("expected name1, got: " + tag.Name))
+	}
+	if tag.Place != "right-here" {
+		log.Fatal(errors.New("expected right-here, got: " + tag.Place))
+	}
+
+	tag.Place = "日本"
+	_, err = db.Exec(`update myjsontable set tag = ? where tag->>'name' == 'name1'`, &tag)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	err = db.QueryRow("select tag->>'place' from myjsontable where tag->>'name' = 'name1'").Scan(&place)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	if place != "日本" {
+		log.Fatal(errors.New("expected 日本, got: " + place))
+	}
+}
diff --git a/tests/libbuild.go b/tests/functional/libbuild.go
index 3de29ae..3de29ae 100644
--- a/tests/libbuild.go
+++ b/tests/functional/libbuild.go
diff --git a/tests/functional/limit.go b/tests/functional/limit.go
new file mode 100644
index 0000000..8c65a25
--- /dev/null
+++ b/tests/functional/limit.go
@@ -0,0 +1,102 @@
+package main
+
+import (
+	"database/sql"
+	"fmt"
+	"log"
+	"os"
+	"strings"
+
+	"golite"
+)
+
+func createBulkInsertQuery(n int, start int) (string, []any) {
+	values := make([]string, n)
+	args   := make([]any, n*2)
+	pos := 0
+	for i := 0; i < n; i++ {
+		values[i] = "(?, ?)"
+		args[pos] = start + i
+		args[pos+1] = fmt.Sprintf("こんにちは世界%03d", i)
+		pos += 2
+	}
+	query := fmt.Sprintf(
+		"insert into mylimittable(id, name) values %s",
+		strings.Join(values, ", "),
+	)
+	return query, args
+}
+
+func bulkInsert(db *sql.DB, query string, args []any) error {
+	stmt, err := db.Prepare(query)
+	if err != nil {
+		return err
+	}
+
+	_, err = stmt.Exec(args...)
+	return err
+}
+
+func main() {
+	const (
+		num        = 400
+		smallLimit = 100
+		bigLimit   = 999999
+	)
+
+	const SQL = `
+		create table mylimittable (id integer not null primary key, name text);
+		delete from mylimittable;
+	`
+
+	var conn *golite.SQLiteConn
+	sql.Register("sqlite3_with_limit", &golite.SQLiteDriver{
+		ConnectHook: func(c *golite.SQLiteConn) error {
+			conn = c
+			return nil
+		},
+	})
+
+	os.Remove("limit.db")
+	defer os.Remove("limit.db")
+	db, err := sql.Open("sqlite3_with_limit", "limit.db")
+	if err != nil {
+		log.Fatal(err)
+	}
+	defer db.Close()
+
+	_, err = db.Exec(SQL)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	if conn == nil {
+		log.Fatal("not set sqlite3 connection")
+	}
+
+	{
+		query, args := createBulkInsertQuery(num, 0)
+		err := bulkInsert(db, query, args)
+		if err != nil {
+			log.Fatal(err)
+		}
+	}
+
+	conn.SetLimit(golite.SQLITE_LIMIT_VARIABLE_NUMBER, smallLimit)
+	{
+		query, args := createBulkInsertQuery(num, num)
+		err := bulkInsert(db, query, args)
+		if err == nil {
+			log.Fatal("expected failure didn't happen")
+		}
+	}
+
+	conn.SetLimit(golite.SQLITE_LIMIT_VARIABLE_NUMBER, bigLimit)
+	{
+		query, args := createBulkInsertQuery(500, num+num)
+		err := bulkInsert(db, query, args)
+		if err != nil {
+			log.Fatal(err)
+		}
+	}
+}
diff --git a/tests/functional/streq.c b/tests/functional/streq.c
new file mode 100644
index 0000000..bbf3763
--- /dev/null
+++ b/tests/functional/streq.c
@@ -0,0 +1,36 @@
+#include <assert.h>
+#include <stdbool.h>
+#include <string.h>
+#include <sqlite3ext.h>
+
+
+
+SQLITE_EXTENSION_INIT1
+static void
+streq(sqlite3_context *const ctx, const int argc, sqlite3_value **const argv) {
+	assert(argc == 2);
+	const char *const str1 = (const char *)sqlite3_value_text(argv[0]);
+	const char *const str2 = (const char *)sqlite3_value_text(argv[1]);
+	const bool equal = strcmp(str1, str2) == 0;
+	const int result = equal ? 1 : 0;
+	sqlite3_result_int(ctx, result);
+}
+
+int
+sqlite3_extension_init(
+	sqlite3 *const db,
+	const char *const *const errmsg,
+	const sqlite3_api_routines *const api
+) {
+	SQLITE_EXTENSION_INIT2(api);
+	return sqlite3_create_function(
+		db,
+		"streq",
+		2,
+		SQLITE_UTF8,
+		(void *)db,
+		streq,
+		NULL,
+		NULL
+	);
+}