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-rw-r--r--tests/bucket_test.go1909
1 files changed, 0 insertions, 1909 deletions
diff --git a/tests/bucket_test.go b/tests/bucket_test.go
deleted file mode 100644
index cddbe27..0000000
--- a/tests/bucket_test.go
+++ /dev/null
@@ -1,1909 +0,0 @@
-package bolt_test
-
-import (
- "bytes"
- "encoding/binary"
- "errors"
- "fmt"
- "log"
- "math/rand"
- "os"
- "strconv"
- "strings"
- "testing"
- "testing/quick"
-
- "github.com/boltdb/bolt"
-)
-
-// Ensure that a bucket that gets a non-existent key returns nil.
-func TestBucket_Get_NonExistent(t *testing.T) {
- db := MustOpenDB()
- defer db.MustClose()
-
- if err := db.Update(func(tx *bolt.Tx) error {
- b, err := tx.CreateBucket([]byte("widgets"))
- if err != nil {
- t.Fatal(err)
- }
- if v := b.Get([]byte("foo")); v != nil {
- t.Fatal("expected nil value")
- }
- return nil
- }); err != nil {
- t.Fatal(err)
- }
-}
-
-// Ensure that a bucket can read a value that is not flushed yet.
-func TestBucket_Get_FromNode(t *testing.T) {
- db := MustOpenDB()
- defer db.MustClose()
-
- if err := db.Update(func(tx *bolt.Tx) error {
- b, err := tx.CreateBucket([]byte("widgets"))
- if err != nil {
- t.Fatal(err)
- }
- if err := b.Put([]byte("foo"), []byte("bar")); err != nil {
- t.Fatal(err)
- }
- if v := b.Get([]byte("foo")); !bytes.Equal(v, []byte("bar")) {
- t.Fatalf("unexpected value: %v", v)
- }
- return nil
- }); err != nil {
- t.Fatal(err)
- }
-}
-
-// Ensure that a bucket retrieved via Get() returns a nil.
-func TestBucket_Get_IncompatibleValue(t *testing.T) {
- db := MustOpenDB()
- defer db.MustClose()
- if err := db.Update(func(tx *bolt.Tx) error {
- _, err := tx.CreateBucket([]byte("widgets"))
- if err != nil {
- t.Fatal(err)
- }
-
- if _, err := tx.Bucket([]byte("widgets")).CreateBucket([]byte("foo")); err != nil {
- t.Fatal(err)
- }
-
- if tx.Bucket([]byte("widgets")).Get([]byte("foo")) != nil {
- t.Fatal("expected nil value")
- }
- return nil
- }); err != nil {
- t.Fatal(err)
- }
-}
-
-// Ensure that a slice returned from a bucket has a capacity equal to its length.
-// This also allows slices to be appended to since it will require a realloc by Go.
-//
-// https://github.com/boltdb/bolt/issues/544
-func TestBucket_Get_Capacity(t *testing.T) {
- db := MustOpenDB()
- defer db.MustClose()
-
- // Write key to a bucket.
- if err := db.Update(func(tx *bolt.Tx) error {
- b, err := tx.CreateBucket([]byte("bucket"))
- if err != nil {
- return err
- }
- return b.Put([]byte("key"), []byte("val"))
- }); err != nil {
- t.Fatal(err)
- }
-
- // Retrieve value and attempt to append to it.
- if err := db.Update(func(tx *bolt.Tx) error {
- k, v := tx.Bucket([]byte("bucket")).Cursor().First()
-
- // Verify capacity.
- if len(k) != cap(k) {
- t.Fatalf("unexpected key slice capacity: %d", cap(k))
- } else if len(v) != cap(v) {
- t.Fatalf("unexpected value slice capacity: %d", cap(v))
- }
-
- // Ensure slice can be appended to without a segfault.
- k = append(k, []byte("123")...)
- v = append(v, []byte("123")...)
-
- return nil
- }); err != nil {
- t.Fatal(err)
- }
-}
-
-// Ensure that a bucket can write a key/value.
-func TestBucket_Put(t *testing.T) {
- db := MustOpenDB()
- defer db.MustClose()
- if err := db.Update(func(tx *bolt.Tx) error {
- b, err := tx.CreateBucket([]byte("widgets"))
- if err != nil {
- t.Fatal(err)
- }
- if err := b.Put([]byte("foo"), []byte("bar")); err != nil {
- t.Fatal(err)
- }
-
- v := tx.Bucket([]byte("widgets")).Get([]byte("foo"))
- if !bytes.Equal([]byte("bar"), v) {
- t.Fatalf("unexpected value: %v", v)
- }
- return nil
- }); err != nil {
- t.Fatal(err)
- }
-}
-
-// Ensure that a bucket can rewrite a key in the same transaction.
-func TestBucket_Put_Repeat(t *testing.T) {
- db := MustOpenDB()
- defer db.MustClose()
- if err := db.Update(func(tx *bolt.Tx) error {
- b, err := tx.CreateBucket([]byte("widgets"))
- if err != nil {
- t.Fatal(err)
- }
- if err := b.Put([]byte("foo"), []byte("bar")); err != nil {
- t.Fatal(err)
- }
- if err := b.Put([]byte("foo"), []byte("baz")); err != nil {
- t.Fatal(err)
- }
-
- value := tx.Bucket([]byte("widgets")).Get([]byte("foo"))
- if !bytes.Equal([]byte("baz"), value) {
- t.Fatalf("unexpected value: %v", value)
- }
- return nil
- }); err != nil {
- t.Fatal(err)
- }
-}
-
-// Ensure that a bucket can write a bunch of large values.
-func TestBucket_Put_Large(t *testing.T) {
- db := MustOpenDB()
- defer db.MustClose()
-
- count, factor := 100, 200
- if err := db.Update(func(tx *bolt.Tx) error {
- b, err := tx.CreateBucket([]byte("widgets"))
- if err != nil {
- t.Fatal(err)
- }
- for i := 1; i < count; i++ {
- if err := b.Put([]byte(strings.Repeat("0", i*factor)), []byte(strings.Repeat("X", (count-i)*factor))); err != nil {
- t.Fatal(err)
- }
- }
- return nil
- }); err != nil {
- t.Fatal(err)
- }
-
- if err := db.View(func(tx *bolt.Tx) error {
- b := tx.Bucket([]byte("widgets"))
- for i := 1; i < count; i++ {
- value := b.Get([]byte(strings.Repeat("0", i*factor)))
- if !bytes.Equal(value, []byte(strings.Repeat("X", (count-i)*factor))) {
- t.Fatalf("unexpected value: %v", value)
- }
- }
- return nil
- }); err != nil {
- t.Fatal(err)
- }
-}
-
-// Ensure that a database can perform multiple large appends safely.
-func TestDB_Put_VeryLarge(t *testing.T) {
- if testing.Short() {
- t.Skip("skipping test in short mode.")
- }
-
- n, batchN := 400000, 200000
- ksize, vsize := 8, 500
-
- db := MustOpenDB()
- defer db.MustClose()
-
- for i := 0; i < n; i += batchN {
- if err := db.Update(func(tx *bolt.Tx) error {
- b, err := tx.CreateBucketIfNotExists([]byte("widgets"))
- if err != nil {
- t.Fatal(err)
- }
- for j := 0; j < batchN; j++ {
- k, v := make([]byte, ksize), make([]byte, vsize)
- binary.BigEndian.PutUint32(k, uint32(i+j))
- if err := b.Put(k, v); err != nil {
- t.Fatal(err)
- }
- }
- return nil
- }); err != nil {
- t.Fatal(err)
- }
- }
-}
-
-// Ensure that a setting a value on a key with a bucket value returns an error.
-func TestBucket_Put_IncompatibleValue(t *testing.T) {
- db := MustOpenDB()
- defer db.MustClose()
-
- if err := db.Update(func(tx *bolt.Tx) error {
- b0, err := tx.CreateBucket([]byte("widgets"))
- if err != nil {
- t.Fatal(err)
- }
-
- if _, err := tx.Bucket([]byte("widgets")).CreateBucket([]byte("foo")); err != nil {
- t.Fatal(err)
- }
- if err := b0.Put([]byte("foo"), []byte("bar")); err != bolt.ErrIncompatibleValue {
- t.Fatalf("unexpected error: %s", err)
- }
- return nil
- }); err != nil {
- t.Fatal(err)
- }
-}
-
-// Ensure that a setting a value while the transaction is closed returns an error.
-func TestBucket_Put_Closed(t *testing.T) {
- db := MustOpenDB()
- defer db.MustClose()
- tx, err := db.Begin(true)
- if err != nil {
- t.Fatal(err)
- }
-
- b, err := tx.CreateBucket([]byte("widgets"))
- if err != nil {
- t.Fatal(err)
- }
-
- if err := tx.Rollback(); err != nil {
- t.Fatal(err)
- }
-
- if err := b.Put([]byte("foo"), []byte("bar")); err != bolt.ErrTxClosed {
- t.Fatalf("unexpected error: %s", err)
- }
-}
-
-// Ensure that setting a value on a read-only bucket returns an error.
-func TestBucket_Put_ReadOnly(t *testing.T) {
- db := MustOpenDB()
- defer db.MustClose()
-
- if err := db.Update(func(tx *bolt.Tx) error {
- if _, err := tx.CreateBucket([]byte("widgets")); err != nil {
- t.Fatal(err)
- }
- return nil
- }); err != nil {
- t.Fatal(err)
- }
-
- if err := db.View(func(tx *bolt.Tx) error {
- b := tx.Bucket([]byte("widgets"))
- if err := b.Put([]byte("foo"), []byte("bar")); err != bolt.ErrTxNotWritable {
- t.Fatalf("unexpected error: %s", err)
- }
- return nil
- }); err != nil {
- t.Fatal(err)
- }
-}
-
-// Ensure that a bucket can delete an existing key.
-func TestBucket_Delete(t *testing.T) {
- db := MustOpenDB()
- defer db.MustClose()
-
- if err := db.Update(func(tx *bolt.Tx) error {
- b, err := tx.CreateBucket([]byte("widgets"))
- if err != nil {
- t.Fatal(err)
- }
- if err := b.Put([]byte("foo"), []byte("bar")); err != nil {
- t.Fatal(err)
- }
- if err := b.Delete([]byte("foo")); err != nil {
- t.Fatal(err)
- }
- if v := b.Get([]byte("foo")); v != nil {
- t.Fatalf("unexpected value: %v", v)
- }
- return nil
- }); err != nil {
- t.Fatal(err)
- }
-}
-
-// Ensure that deleting a large set of keys will work correctly.
-func TestBucket_Delete_Large(t *testing.T) {
- db := MustOpenDB()
- defer db.MustClose()
-
- if err := db.Update(func(tx *bolt.Tx) error {
- b, err := tx.CreateBucket([]byte("widgets"))
- if err != nil {
- t.Fatal(err)
- }
-
- for i := 0; i < 100; i++ {
- if err := b.Put([]byte(strconv.Itoa(i)), []byte(strings.Repeat("*", 1024))); err != nil {
- t.Fatal(err)
- }
- }
-
- return nil
- }); err != nil {
- t.Fatal(err)
- }
-
- if err := db.Update(func(tx *bolt.Tx) error {
- b := tx.Bucket([]byte("widgets"))
- for i := 0; i < 100; i++ {
- if err := b.Delete([]byte(strconv.Itoa(i))); err != nil {
- t.Fatal(err)
- }
- }
- return nil
- }); err != nil {
- t.Fatal(err)
- }
-
- if err := db.View(func(tx *bolt.Tx) error {
- b := tx.Bucket([]byte("widgets"))
- for i := 0; i < 100; i++ {
- if v := b.Get([]byte(strconv.Itoa(i))); v != nil {
- t.Fatalf("unexpected value: %v, i=%d", v, i)
- }
- }
- return nil
- }); err != nil {
- t.Fatal(err)
- }
-}
-
-// Deleting a very large list of keys will cause the freelist to use overflow.
-func TestBucket_Delete_FreelistOverflow(t *testing.T) {
- if testing.Short() {
- t.Skip("skipping test in short mode.")
- }
-
- db := MustOpenDB()
- defer db.MustClose()
-
- k := make([]byte, 16)
- for i := uint64(0); i < 10000; i++ {
- if err := db.Update(func(tx *bolt.Tx) error {
- b, err := tx.CreateBucketIfNotExists([]byte("0"))
- if err != nil {
- t.Fatalf("bucket error: %s", err)
- }
-
- for j := uint64(0); j < 1000; j++ {
- binary.BigEndian.PutUint64(k[:8], i)
- binary.BigEndian.PutUint64(k[8:], j)
- if err := b.Put(k, nil); err != nil {
- t.Fatalf("put error: %s", err)
- }
- }
-
- return nil
- }); err != nil {
- t.Fatal(err)
- }
- }
-
- // Delete all of them in one large transaction
- if err := db.Update(func(tx *bolt.Tx) error {
- b := tx.Bucket([]byte("0"))
- c := b.Cursor()
- for k, _ := c.First(); k != nil; k, _ = c.Next() {
- if err := c.Delete(); err != nil {
- t.Fatal(err)
- }
- }
- return nil
- }); err != nil {
- t.Fatal(err)
- }
-}
-
-// Ensure that accessing and updating nested buckets is ok across transactions.
-func TestBucket_Nested(t *testing.T) {
- db := MustOpenDB()
- defer db.MustClose()
-
- if err := db.Update(func(tx *bolt.Tx) error {
- // Create a widgets bucket.
- b, err := tx.CreateBucket([]byte("widgets"))
- if err != nil {
- t.Fatal(err)
- }
-
- // Create a widgets/foo bucket.
- _, err = b.CreateBucket([]byte("foo"))
- if err != nil {
- t.Fatal(err)
- }
-
- // Create a widgets/bar key.
- if err := b.Put([]byte("bar"), []byte("0000")); err != nil {
- t.Fatal(err)
- }
-
- return nil
- }); err != nil {
- t.Fatal(err)
- }
- db.MustCheck()
-
- // Update widgets/bar.
- if err := db.Update(func(tx *bolt.Tx) error {
- b := tx.Bucket([]byte("widgets"))
- if err := b.Put([]byte("bar"), []byte("xxxx")); err != nil {
- t.Fatal(err)
- }
- return nil
- }); err != nil {
- t.Fatal(err)
- }
- db.MustCheck()
-
- // Cause a split.
- if err := db.Update(func(tx *bolt.Tx) error {
- var b = tx.Bucket([]byte("widgets"))
- for i := 0; i < 10000; i++ {
- if err := b.Put([]byte(strconv.Itoa(i)), []byte(strconv.Itoa(i))); err != nil {
- t.Fatal(err)
- }
- }
- return nil
- }); err != nil {
- t.Fatal(err)
- }
- db.MustCheck()
-
- // Insert into widgets/foo/baz.
- if err := db.Update(func(tx *bolt.Tx) error {
- var b = tx.Bucket([]byte("widgets"))
- if err := b.Bucket([]byte("foo")).Put([]byte("baz"), []byte("yyyy")); err != nil {
- t.Fatal(err)
- }
- return nil
- }); err != nil {
- t.Fatal(err)
- }
- db.MustCheck()
-
- // Verify.
- if err := db.View(func(tx *bolt.Tx) error {
- var b = tx.Bucket([]byte("widgets"))
- if v := b.Bucket([]byte("foo")).Get([]byte("baz")); !bytes.Equal(v, []byte("yyyy")) {
- t.Fatalf("unexpected value: %v", v)
- }
- if v := b.Get([]byte("bar")); !bytes.Equal(v, []byte("xxxx")) {
- t.Fatalf("unexpected value: %v", v)
- }
- for i := 0; i < 10000; i++ {
- if v := b.Get([]byte(strconv.Itoa(i))); !bytes.Equal(v, []byte(strconv.Itoa(i))) {
- t.Fatalf("unexpected value: %v", v)
- }
- }
- return nil
- }); err != nil {
- t.Fatal(err)
- }
-}
-
-// Ensure that deleting a bucket using Delete() returns an error.
-func TestBucket_Delete_Bucket(t *testing.T) {
- db := MustOpenDB()
- defer db.MustClose()
- if err := db.Update(func(tx *bolt.Tx) error {
- b, err := tx.CreateBucket([]byte("widgets"))
- if err != nil {
- t.Fatal(err)
- }
- if _, err := b.CreateBucket([]byte("foo")); err != nil {
- t.Fatal(err)
- }
- if err := b.Delete([]byte("foo")); err != bolt.ErrIncompatibleValue {
- t.Fatalf("unexpected error: %s", err)
- }
- return nil
- }); err != nil {
- t.Fatal(err)
- }
-}
-
-// Ensure that deleting a key on a read-only bucket returns an error.
-func TestBucket_Delete_ReadOnly(t *testing.T) {
- db := MustOpenDB()
- defer db.MustClose()
-
- if err := db.Update(func(tx *bolt.Tx) error {
- if _, err := tx.CreateBucket([]byte("widgets")); err != nil {
- t.Fatal(err)
- }
- return nil
- }); err != nil {
- t.Fatal(err)
- }
-
- if err := db.View(func(tx *bolt.Tx) error {
- if err := tx.Bucket([]byte("widgets")).Delete([]byte("foo")); err != bolt.ErrTxNotWritable {
- t.Fatalf("unexpected error: %s", err)
- }
- return nil
- }); err != nil {
- t.Fatal(err)
- }
-}
-
-// Ensure that a deleting value while the transaction is closed returns an error.
-func TestBucket_Delete_Closed(t *testing.T) {
- db := MustOpenDB()
- defer db.MustClose()
-
- tx, err := db.Begin(true)
- if err != nil {
- t.Fatal(err)
- }
-
- b, err := tx.CreateBucket([]byte("widgets"))
- if err != nil {
- t.Fatal(err)
- }
-
- if err := tx.Rollback(); err != nil {
- t.Fatal(err)
- }
- if err := b.Delete([]byte("foo")); err != bolt.ErrTxClosed {
- t.Fatalf("unexpected error: %s", err)
- }
-}
-
-// Ensure that deleting a bucket causes nested buckets to be deleted.
-func TestBucket_DeleteBucket_Nested(t *testing.T) {
- db := MustOpenDB()
- defer db.MustClose()
-
- if err := db.Update(func(tx *bolt.Tx) error {
- widgets, err := tx.CreateBucket([]byte("widgets"))
- if err != nil {
- t.Fatal(err)
- }
-
- foo, err := widgets.CreateBucket([]byte("foo"))
- if err != nil {
- t.Fatal(err)
- }
-
- bar, err := foo.CreateBucket([]byte("bar"))
- if err != nil {
- t.Fatal(err)
- }
- if err := bar.Put([]byte("baz"), []byte("bat")); err != nil {
- t.Fatal(err)
- }
- if err := tx.Bucket([]byte("widgets")).DeleteBucket([]byte("foo")); err != nil {
- t.Fatal(err)
- }
- return nil
- }); err != nil {
- t.Fatal(err)
- }
-}
-
-// Ensure that deleting a bucket causes nested buckets to be deleted after they have been committed.
-func TestBucket_DeleteBucket_Nested2(t *testing.T) {
- db := MustOpenDB()
- defer db.MustClose()
-
- if err := db.Update(func(tx *bolt.Tx) error {
- widgets, err := tx.CreateBucket([]byte("widgets"))
- if err != nil {
- t.Fatal(err)
- }
-
- foo, err := widgets.CreateBucket([]byte("foo"))
- if err != nil {
- t.Fatal(err)
- }
-
- bar, err := foo.CreateBucket([]byte("bar"))
- if err != nil {
- t.Fatal(err)
- }
-
- if err := bar.Put([]byte("baz"), []byte("bat")); err != nil {
- t.Fatal(err)
- }
- return nil
- }); err != nil {
- t.Fatal(err)
- }
-
- if err := db.Update(func(tx *bolt.Tx) error {
- widgets := tx.Bucket([]byte("widgets"))
- if widgets == nil {
- t.Fatal("expected widgets bucket")
- }
-
- foo := widgets.Bucket([]byte("foo"))
- if foo == nil {
- t.Fatal("expected foo bucket")
- }
-
- bar := foo.Bucket([]byte("bar"))
- if bar == nil {
- t.Fatal("expected bar bucket")
- }
-
- if v := bar.Get([]byte("baz")); !bytes.Equal(v, []byte("bat")) {
- t.Fatalf("unexpected value: %v", v)
- }
- if err := tx.DeleteBucket([]byte("widgets")); err != nil {
- t.Fatal(err)
- }
- return nil
- }); err != nil {
- t.Fatal(err)
- }
-
- if err := db.View(func(tx *bolt.Tx) error {
- if tx.Bucket([]byte("widgets")) != nil {
- t.Fatal("expected bucket to be deleted")
- }
- return nil
- }); err != nil {
- t.Fatal(err)
- }
-}
-
-// Ensure that deleting a child bucket with multiple pages causes all pages to get collected.
-// NOTE: Consistency check in bolt_test.DB.Close() will panic if pages not freed properly.
-func TestBucket_DeleteBucket_Large(t *testing.T) {
- db := MustOpenDB()
- defer db.MustClose()
-
- if err := db.Update(func(tx *bolt.Tx) error {
- widgets, err := tx.CreateBucket([]byte("widgets"))
- if err != nil {
- t.Fatal(err)
- }
-
- foo, err := widgets.CreateBucket([]byte("foo"))
- if err != nil {
- t.Fatal(err)
- }
-
- for i := 0; i < 1000; i++ {
- if err := foo.Put([]byte(fmt.Sprintf("%d", i)), []byte(fmt.Sprintf("%0100d", i))); err != nil {
- t.Fatal(err)
- }
- }
- return nil
- }); err != nil {
- t.Fatal(err)
- }
-
- if err := db.Update(func(tx *bolt.Tx) error {
- if err := tx.DeleteBucket([]byte("widgets")); err != nil {
- t.Fatal(err)
- }
- return nil
- }); err != nil {
- t.Fatal(err)
- }
-}
-
-// Ensure that a simple value retrieved via Bucket() returns a nil.
-func TestBucket_Bucket_IncompatibleValue(t *testing.T) {
- db := MustOpenDB()
- defer db.MustClose()
-
- if err := db.Update(func(tx *bolt.Tx) error {
- widgets, err := tx.CreateBucket([]byte("widgets"))
- if err != nil {
- t.Fatal(err)
- }
-
- if err := widgets.Put([]byte("foo"), []byte("bar")); err != nil {
- t.Fatal(err)
- }
- if b := tx.Bucket([]byte("widgets")).Bucket([]byte("foo")); b != nil {
- t.Fatal("expected nil bucket")
- }
- return nil
- }); err != nil {
- t.Fatal(err)
- }
-}
-
-// Ensure that creating a bucket on an existing non-bucket key returns an error.
-func TestBucket_CreateBucket_IncompatibleValue(t *testing.T) {
- db := MustOpenDB()
- defer db.MustClose()
- if err := db.Update(func(tx *bolt.Tx) error {
- widgets, err := tx.CreateBucket([]byte("widgets"))
- if err != nil {
- t.Fatal(err)
- }
-
- if err := widgets.Put([]byte("foo"), []byte("bar")); err != nil {
- t.Fatal(err)
- }
- if _, err := widgets.CreateBucket([]byte("foo")); err != bolt.ErrIncompatibleValue {
- t.Fatalf("unexpected error: %s", err)
- }
- return nil
- }); err != nil {
- t.Fatal(err)
- }
-}
-
-// Ensure that deleting a bucket on an existing non-bucket key returns an error.
-func TestBucket_DeleteBucket_IncompatibleValue(t *testing.T) {
- db := MustOpenDB()
- defer db.MustClose()
-
- if err := db.Update(func(tx *bolt.Tx) error {
- widgets, err := tx.CreateBucket([]byte("widgets"))
- if err != nil {
- t.Fatal(err)
- }
- if err := widgets.Put([]byte("foo"), []byte("bar")); err != nil {
- t.Fatal(err)
- }
- if err := tx.Bucket([]byte("widgets")).DeleteBucket([]byte("foo")); err != bolt.ErrIncompatibleValue {
- t.Fatalf("unexpected error: %s", err)
- }
- return nil
- }); err != nil {
- t.Fatal(err)
- }
-}
-
-// Ensure bucket can set and update its sequence number.
-func TestBucket_Sequence(t *testing.T) {
- db := MustOpenDB()
- defer db.MustClose()
-
- if err := db.Update(func(tx *bolt.Tx) error {
- bkt, err := tx.CreateBucket([]byte("0"))
- if err != nil {
- t.Fatal(err)
- }
-
- // Retrieve sequence.
- if v := bkt.Sequence(); v != 0 {
- t.Fatalf("unexpected sequence: %d", v)
- }
-
- // Update sequence.
- if err := bkt.SetSequence(1000); err != nil {
- t.Fatal(err)
- }
-
- // Read sequence again.
- if v := bkt.Sequence(); v != 1000 {
- t.Fatalf("unexpected sequence: %d", v)
- }
-
- return nil
- }); err != nil {
- t.Fatal(err)
- }
-
- // Verify sequence in separate transaction.
- if err := db.View(func(tx *bolt.Tx) error {
- if v := tx.Bucket([]byte("0")).Sequence(); v != 1000 {
- t.Fatalf("unexpected sequence: %d", v)
- }
- return nil
- }); err != nil {
- t.Fatal(err)
- }
-}
-
-// Ensure that a bucket can return an autoincrementing sequence.
-func TestBucket_NextSequence(t *testing.T) {
- db := MustOpenDB()
- defer db.MustClose()
-
- if err := db.Update(func(tx *bolt.Tx) error {
- widgets, err := tx.CreateBucket([]byte("widgets"))
- if err != nil {
- t.Fatal(err)
- }
- woojits, err := tx.CreateBucket([]byte("woojits"))
- if err != nil {
- t.Fatal(err)
- }
-
- // Make sure sequence increments.
- if seq, err := widgets.NextSequence(); err != nil {
- t.Fatal(err)
- } else if seq != 1 {
- t.Fatalf("unexpecte sequence: %d", seq)
- }
-
- if seq, err := widgets.NextSequence(); err != nil {
- t.Fatal(err)
- } else if seq != 2 {
- t.Fatalf("unexpected sequence: %d", seq)
- }
-
- // Buckets should be separate.
- if seq, err := woojits.NextSequence(); err != nil {
- t.Fatal(err)
- } else if seq != 1 {
- t.Fatalf("unexpected sequence: %d", 1)
- }
-
- return nil
- }); err != nil {
- t.Fatal(err)
- }
-}
-
-// Ensure that a bucket will persist an autoincrementing sequence even if its
-// the only thing updated on the bucket.
-// https://github.com/boltdb/bolt/issues/296
-func TestBucket_NextSequence_Persist(t *testing.T) {
- db := MustOpenDB()
- defer db.MustClose()
-
- if err := db.Update(func(tx *bolt.Tx) error {
- if _, err := tx.CreateBucket([]byte("widgets")); err != nil {
- t.Fatal(err)
- }
- return nil
- }); err != nil {
- t.Fatal(err)
- }
-
- if err := db.Update(func(tx *bolt.Tx) error {
- if _, err := tx.Bucket([]byte("widgets")).NextSequence(); err != nil {
- t.Fatal(err)
- }
- return nil
- }); err != nil {
- t.Fatal(err)
- }
-
- if err := db.Update(func(tx *bolt.Tx) error {
- seq, err := tx.Bucket([]byte("widgets")).NextSequence()
- if err != nil {
- t.Fatalf("unexpected error: %s", err)
- } else if seq != 2 {
- t.Fatalf("unexpected sequence: %d", seq)
- }
- return nil
- }); err != nil {
- t.Fatal(err)
- }
-}
-
-// Ensure that retrieving the next sequence on a read-only bucket returns an error.
-func TestBucket_NextSequence_ReadOnly(t *testing.T) {
- db := MustOpenDB()
- defer db.MustClose()
-
- if err := db.Update(func(tx *bolt.Tx) error {
- if _, err := tx.CreateBucket([]byte("widgets")); err != nil {
- t.Fatal(err)
- }
- return nil
- }); err != nil {
- t.Fatal(err)
- }
-
- if err := db.View(func(tx *bolt.Tx) error {
- _, err := tx.Bucket([]byte("widgets")).NextSequence()
- if err != bolt.ErrTxNotWritable {
- t.Fatalf("unexpected error: %s", err)
- }
- return nil
- }); err != nil {
- t.Fatal(err)
- }
-}
-
-// Ensure that retrieving the next sequence for a bucket on a closed database return an error.
-func TestBucket_NextSequence_Closed(t *testing.T) {
- db := MustOpenDB()
- defer db.MustClose()
- tx, err := db.Begin(true)
- if err != nil {
- t.Fatal(err)
- }
- b, err := tx.CreateBucket([]byte("widgets"))
- if err != nil {
- t.Fatal(err)
- }
- if err := tx.Rollback(); err != nil {
- t.Fatal(err)
- }
- if _, err := b.NextSequence(); err != bolt.ErrTxClosed {
- t.Fatal(err)
- }
-}
-
-// Ensure a user can loop over all key/value pairs in a bucket.
-func TestBucket_ForEach(t *testing.T) {
- db := MustOpenDB()
- defer db.MustClose()
-
- if err := db.Update(func(tx *bolt.Tx) error {
- b, err := tx.CreateBucket([]byte("widgets"))
- if err != nil {
- t.Fatal(err)
- }
- if err := b.Put([]byte("foo"), []byte("0000")); err != nil {
- t.Fatal(err)
- }
- if err := b.Put([]byte("baz"), []byte("0001")); err != nil {
- t.Fatal(err)
- }
- if err := b.Put([]byte("bar"), []byte("0002")); err != nil {
- t.Fatal(err)
- }
-
- var index int
- if err := b.ForEach(func(k, v []byte) error {
- switch index {
- case 0:
- if !bytes.Equal(k, []byte("bar")) {
- t.Fatalf("unexpected key: %v", k)
- } else if !bytes.Equal(v, []byte("0002")) {
- t.Fatalf("unexpected value: %v", v)
- }
- case 1:
- if !bytes.Equal(k, []byte("baz")) {
- t.Fatalf("unexpected key: %v", k)
- } else if !bytes.Equal(v, []byte("0001")) {
- t.Fatalf("unexpected value: %v", v)
- }
- case 2:
- if !bytes.Equal(k, []byte("foo")) {
- t.Fatalf("unexpected key: %v", k)
- } else if !bytes.Equal(v, []byte("0000")) {
- t.Fatalf("unexpected value: %v", v)
- }
- }
- index++
- return nil
- }); err != nil {
- t.Fatal(err)
- }
-
- if index != 3 {
- t.Fatalf("unexpected index: %d", index)
- }
-
- return nil
- }); err != nil {
- t.Fatal(err)
- }
-}
-
-// Ensure a database can stop iteration early.
-func TestBucket_ForEach_ShortCircuit(t *testing.T) {
- db := MustOpenDB()
- defer db.MustClose()
- if err := db.Update(func(tx *bolt.Tx) error {
- b, err := tx.CreateBucket([]byte("widgets"))
- if err != nil {
- t.Fatal(err)
- }
- if err := b.Put([]byte("bar"), []byte("0000")); err != nil {
- t.Fatal(err)
- }
- if err := b.Put([]byte("baz"), []byte("0000")); err != nil {
- t.Fatal(err)
- }
- if err := b.Put([]byte("foo"), []byte("0000")); err != nil {
- t.Fatal(err)
- }
-
- var index int
- if err := tx.Bucket([]byte("widgets")).ForEach(func(k, v []byte) error {
- index++
- if bytes.Equal(k, []byte("baz")) {
- return errors.New("marker")
- }
- return nil
- }); err == nil || err.Error() != "marker" {
- t.Fatalf("unexpected error: %s", err)
- }
- if index != 2 {
- t.Fatalf("unexpected index: %d", index)
- }
-
- return nil
- }); err != nil {
- t.Fatal(err)
- }
-}
-
-// Ensure that looping over a bucket on a closed database returns an error.
-func TestBucket_ForEach_Closed(t *testing.T) {
- db := MustOpenDB()
- defer db.MustClose()
-
- tx, err := db.Begin(true)
- if err != nil {
- t.Fatal(err)
- }
-
- b, err := tx.CreateBucket([]byte("widgets"))
- if err != nil {
- t.Fatal(err)
- }
-
- if err := tx.Rollback(); err != nil {
- t.Fatal(err)
- }
-
- if err := b.ForEach(func(k, v []byte) error { return nil }); err != bolt.ErrTxClosed {
- t.Fatalf("unexpected error: %s", err)
- }
-}
-
-// Ensure that an error is returned when inserting with an empty key.
-func TestBucket_Put_EmptyKey(t *testing.T) {
- db := MustOpenDB()
- defer db.MustClose()
-
- if err := db.Update(func(tx *bolt.Tx) error {
- b, err := tx.CreateBucket([]byte("widgets"))
- if err != nil {
- t.Fatal(err)
- }
- if err := b.Put([]byte(""), []byte("bar")); err != bolt.ErrKeyRequired {
- t.Fatalf("unexpected error: %s", err)
- }
- if err := b.Put(nil, []byte("bar")); err != bolt.ErrKeyRequired {
- t.Fatalf("unexpected error: %s", err)
- }
- return nil
- }); err != nil {
- t.Fatal(err)
- }
-}
-
-// Ensure that an error is returned when inserting with a key that's too large.
-func TestBucket_Put_KeyTooLarge(t *testing.T) {
- db := MustOpenDB()
- defer db.MustClose()
- if err := db.Update(func(tx *bolt.Tx) error {
- b, err := tx.CreateBucket([]byte("widgets"))
- if err != nil {
- t.Fatal(err)
- }
- if err := b.Put(make([]byte, 32769), []byte("bar")); err != bolt.ErrKeyTooLarge {
- t.Fatalf("unexpected error: %s", err)
- }
- return nil
- }); err != nil {
- t.Fatal(err)
- }
-}
-
-// Ensure that an error is returned when inserting a value that's too large.
-func TestBucket_Put_ValueTooLarge(t *testing.T) {
- // Skip this test on DroneCI because the machine is resource constrained.
- if os.Getenv("DRONE") == "true" {
- t.Skip("not enough RAM for test")
- }
-
- db := MustOpenDB()
- defer db.MustClose()
-
- if err := db.Update(func(tx *bolt.Tx) error {
- b, err := tx.CreateBucket([]byte("widgets"))
- if err != nil {
- t.Fatal(err)
- }
- if err := b.Put([]byte("foo"), make([]byte, bolt.MaxValueSize+1)); err != bolt.ErrValueTooLarge {
- t.Fatalf("unexpected error: %s", err)
- }
- return nil
- }); err != nil {
- t.Fatal(err)
- }
-}
-
-// Ensure a bucket can calculate stats.
-func TestBucket_Stats(t *testing.T) {
- db := MustOpenDB()
- defer db.MustClose()
-
- // Add bucket with fewer keys but one big value.
- bigKey := []byte("really-big-value")
- for i := 0; i < 500; i++ {
- if err := db.Update(func(tx *bolt.Tx) error {
- b, err := tx.CreateBucketIfNotExists([]byte("woojits"))
- if err != nil {
- t.Fatal(err)
- }
-
- if err := b.Put([]byte(fmt.Sprintf("%03d", i)), []byte(strconv.Itoa(i))); err != nil {
- t.Fatal(err)
- }
- return nil
- }); err != nil {
- t.Fatal(err)
- }
- }
- if err := db.Update(func(tx *bolt.Tx) error {
- if err := tx.Bucket([]byte("woojits")).Put(bigKey, []byte(strings.Repeat("*", 10000))); err != nil {
- t.Fatal(err)
- }
- return nil
- }); err != nil {
- t.Fatal(err)
- }
-
- db.MustCheck()
-
- if err := db.View(func(tx *bolt.Tx) error {
- stats := tx.Bucket([]byte("woojits")).Stats()
- if stats.BranchPageN != 1 {
- t.Fatalf("unexpected BranchPageN: %d", stats.BranchPageN)
- } else if stats.BranchOverflowN != 0 {
- t.Fatalf("unexpected BranchOverflowN: %d", stats.BranchOverflowN)
- } else if stats.LeafPageN != 7 {
- t.Fatalf("unexpected LeafPageN: %d", stats.LeafPageN)
- } else if stats.LeafOverflowN != 2 {
- t.Fatalf("unexpected LeafOverflowN: %d", stats.LeafOverflowN)
- } else if stats.KeyN != 501 {
- t.Fatalf("unexpected KeyN: %d", stats.KeyN)
- } else if stats.Depth != 2 {
- t.Fatalf("unexpected Depth: %d", stats.Depth)
- }
-
- branchInuse := 16 // branch page header
- branchInuse += 7 * 16 // branch elements
- branchInuse += 7 * 3 // branch keys (6 3-byte keys)
- if stats.BranchInuse != branchInuse {
- t.Fatalf("unexpected BranchInuse: %d", stats.BranchInuse)
- }
-
- leafInuse := 7 * 16 // leaf page header
- leafInuse += 501 * 16 // leaf elements
- leafInuse += 500*3 + len(bigKey) // leaf keys
- leafInuse += 1*10 + 2*90 + 3*400 + 10000 // leaf values
- if stats.LeafInuse != leafInuse {
- t.Fatalf("unexpected LeafInuse: %d", stats.LeafInuse)
- }
-
- // Only check allocations for 4KB pages.
- if os.Getpagesize() == 4096 {
- if stats.BranchAlloc != 4096 {
- t.Fatalf("unexpected BranchAlloc: %d", stats.BranchAlloc)
- } else if stats.LeafAlloc != 36864 {
- t.Fatalf("unexpected LeafAlloc: %d", stats.LeafAlloc)
- }
- }
-
- if stats.BucketN != 1 {
- t.Fatalf("unexpected BucketN: %d", stats.BucketN)
- } else if stats.InlineBucketN != 0 {
- t.Fatalf("unexpected InlineBucketN: %d", stats.InlineBucketN)
- } else if stats.InlineBucketInuse != 0 {
- t.Fatalf("unexpected InlineBucketInuse: %d", stats.InlineBucketInuse)
- }
-
- return nil
- }); err != nil {
- t.Fatal(err)
- }
-}
-
-// Ensure a bucket with random insertion utilizes fill percentage correctly.
-func TestBucket_Stats_RandomFill(t *testing.T) {
- if testing.Short() {
- t.Skip("skipping test in short mode.")
- } else if os.Getpagesize() != 4096 {
- t.Skip("invalid page size for test")
- }
-
- db := MustOpenDB()
- defer db.MustClose()
-
- // Add a set of values in random order. It will be the same random
- // order so we can maintain consistency between test runs.
- var count int
- rand := rand.New(rand.NewSource(42))
- for _, i := range rand.Perm(1000) {
- if err := db.Update(func(tx *bolt.Tx) error {
- b, err := tx.CreateBucketIfNotExists([]byte("woojits"))
- if err != nil {
- t.Fatal(err)
- }
- b.FillPercent = 0.9
- for _, j := range rand.Perm(100) {
- index := (j * 10000) + i
- if err := b.Put([]byte(fmt.Sprintf("%d000000000000000", index)), []byte("0000000000")); err != nil {
- t.Fatal(err)
- }
- count++
- }
- return nil
- }); err != nil {
- t.Fatal(err)
- }
- }
-
- db.MustCheck()
-
- if err := db.View(func(tx *bolt.Tx) error {
- stats := tx.Bucket([]byte("woojits")).Stats()
- if stats.KeyN != 100000 {
- t.Fatalf("unexpected KeyN: %d", stats.KeyN)
- }
-
- if stats.BranchPageN != 98 {
- t.Fatalf("unexpected BranchPageN: %d", stats.BranchPageN)
- } else if stats.BranchOverflowN != 0 {
- t.Fatalf("unexpected BranchOverflowN: %d", stats.BranchOverflowN)
- } else if stats.BranchInuse != 130984 {
- t.Fatalf("unexpected BranchInuse: %d", stats.BranchInuse)
- } else if stats.BranchAlloc != 401408 {
- t.Fatalf("unexpected BranchAlloc: %d", stats.BranchAlloc)
- }
-
- if stats.LeafPageN != 3412 {
- t.Fatalf("unexpected LeafPageN: %d", stats.LeafPageN)
- } else if stats.LeafOverflowN != 0 {
- t.Fatalf("unexpected LeafOverflowN: %d", stats.LeafOverflowN)
- } else if stats.LeafInuse != 4742482 {
- t.Fatalf("unexpected LeafInuse: %d", stats.LeafInuse)
- } else if stats.LeafAlloc != 13975552 {
- t.Fatalf("unexpected LeafAlloc: %d", stats.LeafAlloc)
- }
- return nil
- }); err != nil {
- t.Fatal(err)
- }
-}
-
-// Ensure a bucket can calculate stats.
-func TestBucket_Stats_Small(t *testing.T) {
- db := MustOpenDB()
- defer db.MustClose()
-
- if err := db.Update(func(tx *bolt.Tx) error {
- // Add a bucket that fits on a single root leaf.
- b, err := tx.CreateBucket([]byte("whozawhats"))
- if err != nil {
- t.Fatal(err)
- }
- if err := b.Put([]byte("foo"), []byte("bar")); err != nil {
- t.Fatal(err)
- }
-
- return nil
- }); err != nil {
- t.Fatal(err)
- }
-
- db.MustCheck()
-
- if err := db.View(func(tx *bolt.Tx) error {
- b := tx.Bucket([]byte("whozawhats"))
- stats := b.Stats()
- if stats.BranchPageN != 0 {
- t.Fatalf("unexpected BranchPageN: %d", stats.BranchPageN)
- } else if stats.BranchOverflowN != 0 {
- t.Fatalf("unexpected BranchOverflowN: %d", stats.BranchOverflowN)
- } else if stats.LeafPageN != 0 {
- t.Fatalf("unexpected LeafPageN: %d", stats.LeafPageN)
- } else if stats.LeafOverflowN != 0 {
- t.Fatalf("unexpected LeafOverflowN: %d", stats.LeafOverflowN)
- } else if stats.KeyN != 1 {
- t.Fatalf("unexpected KeyN: %d", stats.KeyN)
- } else if stats.Depth != 1 {
- t.Fatalf("unexpected Depth: %d", stats.Depth)
- } else if stats.BranchInuse != 0 {
- t.Fatalf("unexpected BranchInuse: %d", stats.BranchInuse)
- } else if stats.LeafInuse != 0 {
- t.Fatalf("unexpected LeafInuse: %d", stats.LeafInuse)
- }
-
- if os.Getpagesize() == 4096 {
- if stats.BranchAlloc != 0 {
- t.Fatalf("unexpected BranchAlloc: %d", stats.BranchAlloc)
- } else if stats.LeafAlloc != 0 {
- t.Fatalf("unexpected LeafAlloc: %d", stats.LeafAlloc)
- }
- }
-
- if stats.BucketN != 1 {
- t.Fatalf("unexpected BucketN: %d", stats.BucketN)
- } else if stats.InlineBucketN != 1 {
- t.Fatalf("unexpected InlineBucketN: %d", stats.InlineBucketN)
- } else if stats.InlineBucketInuse != 16+16+6 {
- t.Fatalf("unexpected InlineBucketInuse: %d", stats.InlineBucketInuse)
- }
-
- return nil
- }); err != nil {
- t.Fatal(err)
- }
-}
-
-func TestBucket_Stats_EmptyBucket(t *testing.T) {
- db := MustOpenDB()
- defer db.MustClose()
-
- if err := db.Update(func(tx *bolt.Tx) error {
- // Add a bucket that fits on a single root leaf.
- if _, err := tx.CreateBucket([]byte("whozawhats")); err != nil {
- t.Fatal(err)
- }
- return nil
- }); err != nil {
- t.Fatal(err)
- }
-
- db.MustCheck()
-
- if err := db.View(func(tx *bolt.Tx) error {
- b := tx.Bucket([]byte("whozawhats"))
- stats := b.Stats()
- if stats.BranchPageN != 0 {
- t.Fatalf("unexpected BranchPageN: %d", stats.BranchPageN)
- } else if stats.BranchOverflowN != 0 {
- t.Fatalf("unexpected BranchOverflowN: %d", stats.BranchOverflowN)
- } else if stats.LeafPageN != 0 {
- t.Fatalf("unexpected LeafPageN: %d", stats.LeafPageN)
- } else if stats.LeafOverflowN != 0 {
- t.Fatalf("unexpected LeafOverflowN: %d", stats.LeafOverflowN)
- } else if stats.KeyN != 0 {
- t.Fatalf("unexpected KeyN: %d", stats.KeyN)
- } else if stats.Depth != 1 {
- t.Fatalf("unexpected Depth: %d", stats.Depth)
- } else if stats.BranchInuse != 0 {
- t.Fatalf("unexpected BranchInuse: %d", stats.BranchInuse)
- } else if stats.LeafInuse != 0 {
- t.Fatalf("unexpected LeafInuse: %d", stats.LeafInuse)
- }
-
- if os.Getpagesize() == 4096 {
- if stats.BranchAlloc != 0 {
- t.Fatalf("unexpected BranchAlloc: %d", stats.BranchAlloc)
- } else if stats.LeafAlloc != 0 {
- t.Fatalf("unexpected LeafAlloc: %d", stats.LeafAlloc)
- }
- }
-
- if stats.BucketN != 1 {
- t.Fatalf("unexpected BucketN: %d", stats.BucketN)
- } else if stats.InlineBucketN != 1 {
- t.Fatalf("unexpected InlineBucketN: %d", stats.InlineBucketN)
- } else if stats.InlineBucketInuse != 16 {
- t.Fatalf("unexpected InlineBucketInuse: %d", stats.InlineBucketInuse)
- }
-
- return nil
- }); err != nil {
- t.Fatal(err)
- }
-}
-
-// Ensure a bucket can calculate stats.
-func TestBucket_Stats_Nested(t *testing.T) {
- db := MustOpenDB()
- defer db.MustClose()
-
- if err := db.Update(func(tx *bolt.Tx) error {
- b, err := tx.CreateBucket([]byte("foo"))
- if err != nil {
- t.Fatal(err)
- }
- for i := 0; i < 100; i++ {
- if err := b.Put([]byte(fmt.Sprintf("%02d", i)), []byte(fmt.Sprintf("%02d", i))); err != nil {
- t.Fatal(err)
- }
- }
-
- bar, err := b.CreateBucket([]byte("bar"))
- if err != nil {
- t.Fatal(err)
- }
- for i := 0; i < 10; i++ {
- if err := bar.Put([]byte(strconv.Itoa(i)), []byte(strconv.Itoa(i))); err != nil {
- t.Fatal(err)
- }
- }
-
- baz, err := bar.CreateBucket([]byte("baz"))
- if err != nil {
- t.Fatal(err)
- }
- for i := 0; i < 10; i++ {
- if err := baz.Put([]byte(strconv.Itoa(i)), []byte(strconv.Itoa(i))); err != nil {
- t.Fatal(err)
- }
- }
-
- return nil
- }); err != nil {
- t.Fatal(err)
- }
-
- db.MustCheck()
-
- if err := db.View(func(tx *bolt.Tx) error {
- b := tx.Bucket([]byte("foo"))
- stats := b.Stats()
- if stats.BranchPageN != 0 {
- t.Fatalf("unexpected BranchPageN: %d", stats.BranchPageN)
- } else if stats.BranchOverflowN != 0 {
- t.Fatalf("unexpected BranchOverflowN: %d", stats.BranchOverflowN)
- } else if stats.LeafPageN != 2 {
- t.Fatalf("unexpected LeafPageN: %d", stats.LeafPageN)
- } else if stats.LeafOverflowN != 0 {
- t.Fatalf("unexpected LeafOverflowN: %d", stats.LeafOverflowN)
- } else if stats.KeyN != 122 {
- t.Fatalf("unexpected KeyN: %d", stats.KeyN)
- } else if stats.Depth != 3 {
- t.Fatalf("unexpected Depth: %d", stats.Depth)
- } else if stats.BranchInuse != 0 {
- t.Fatalf("unexpected BranchInuse: %d", stats.BranchInuse)
- }
-
- foo := 16 // foo (pghdr)
- foo += 101 * 16 // foo leaf elements
- foo += 100*2 + 100*2 // foo leaf key/values
- foo += 3 + 16 // foo -> bar key/value
-
- bar := 16 // bar (pghdr)
- bar += 11 * 16 // bar leaf elements
- bar += 10 + 10 // bar leaf key/values
- bar += 3 + 16 // bar -> baz key/value
-
- baz := 16 // baz (inline) (pghdr)
- baz += 10 * 16 // baz leaf elements
- baz += 10 + 10 // baz leaf key/values
-
- if stats.LeafInuse != foo+bar+baz {
- t.Fatalf("unexpected LeafInuse: %d", stats.LeafInuse)
- }
-
- if os.Getpagesize() == 4096 {
- if stats.BranchAlloc != 0 {
- t.Fatalf("unexpected BranchAlloc: %d", stats.BranchAlloc)
- } else if stats.LeafAlloc != 8192 {
- t.Fatalf("unexpected LeafAlloc: %d", stats.LeafAlloc)
- }
- }
-
- if stats.BucketN != 3 {
- t.Fatalf("unexpected BucketN: %d", stats.BucketN)
- } else if stats.InlineBucketN != 1 {
- t.Fatalf("unexpected InlineBucketN: %d", stats.InlineBucketN)
- } else if stats.InlineBucketInuse != baz {
- t.Fatalf("unexpected InlineBucketInuse: %d", stats.InlineBucketInuse)
- }
-
- return nil
- }); err != nil {
- t.Fatal(err)
- }
-}
-
-// Ensure a large bucket can calculate stats.
-func TestBucket_Stats_Large(t *testing.T) {
- if testing.Short() {
- t.Skip("skipping test in short mode.")
- }
-
- db := MustOpenDB()
- defer db.MustClose()
-
- var index int
- for i := 0; i < 100; i++ {
- // Add bucket with lots of keys.
- if err := db.Update(func(tx *bolt.Tx) error {
- b, err := tx.CreateBucketIfNotExists([]byte("widgets"))
- if err != nil {
- t.Fatal(err)
- }
- for i := 0; i < 1000; i++ {
- if err := b.Put([]byte(strconv.Itoa(index)), []byte(strconv.Itoa(index))); err != nil {
- t.Fatal(err)
- }
- index++
- }
- return nil
- }); err != nil {
- t.Fatal(err)
- }
- }
-
- db.MustCheck()
-
- if err := db.View(func(tx *bolt.Tx) error {
- stats := tx.Bucket([]byte("widgets")).Stats()
- if stats.BranchPageN != 13 {
- t.Fatalf("unexpected BranchPageN: %d", stats.BranchPageN)
- } else if stats.BranchOverflowN != 0 {
- t.Fatalf("unexpected BranchOverflowN: %d", stats.BranchOverflowN)
- } else if stats.LeafPageN != 1196 {
- t.Fatalf("unexpected LeafPageN: %d", stats.LeafPageN)
- } else if stats.LeafOverflowN != 0 {
- t.Fatalf("unexpected LeafOverflowN: %d", stats.LeafOverflowN)
- } else if stats.KeyN != 100000 {
- t.Fatalf("unexpected KeyN: %d", stats.KeyN)
- } else if stats.Depth != 3 {
- t.Fatalf("unexpected Depth: %d", stats.Depth)
- } else if stats.BranchInuse != 25257 {
- t.Fatalf("unexpected BranchInuse: %d", stats.BranchInuse)
- } else if stats.LeafInuse != 2596916 {
- t.Fatalf("unexpected LeafInuse: %d", stats.LeafInuse)
- }
-
- if os.Getpagesize() == 4096 {
- if stats.BranchAlloc != 53248 {
- t.Fatalf("unexpected BranchAlloc: %d", stats.BranchAlloc)
- } else if stats.LeafAlloc != 4898816 {
- t.Fatalf("unexpected LeafAlloc: %d", stats.LeafAlloc)
- }
- }
-
- if stats.BucketN != 1 {
- t.Fatalf("unexpected BucketN: %d", stats.BucketN)
- } else if stats.InlineBucketN != 0 {
- t.Fatalf("unexpected InlineBucketN: %d", stats.InlineBucketN)
- } else if stats.InlineBucketInuse != 0 {
- t.Fatalf("unexpected InlineBucketInuse: %d", stats.InlineBucketInuse)
- }
-
- return nil
- }); err != nil {
- t.Fatal(err)
- }
-}
-
-// Ensure that a bucket can write random keys and values across multiple transactions.
-func TestBucket_Put_Single(t *testing.T) {
- if testing.Short() {
- t.Skip("skipping test in short mode.")
- }
-
- index := 0
- if err := quick.Check(func(items testdata) bool {
- db := MustOpenDB()
- defer db.MustClose()
-
- m := make(map[string][]byte)
-
- if err := db.Update(func(tx *bolt.Tx) error {
- if _, err := tx.CreateBucket([]byte("widgets")); err != nil {
- t.Fatal(err)
- }
- return nil
- }); err != nil {
- t.Fatal(err)
- }
-
- for _, item := range items {
- if err := db.Update(func(tx *bolt.Tx) error {
- if err := tx.Bucket([]byte("widgets")).Put(item.Key, item.Value); err != nil {
- panic("put error: " + err.Error())
- }
- m[string(item.Key)] = item.Value
- return nil
- }); err != nil {
- t.Fatal(err)
- }
-
- // Verify all key/values so far.
- if err := db.View(func(tx *bolt.Tx) error {
- i := 0
- for k, v := range m {
- value := tx.Bucket([]byte("widgets")).Get([]byte(k))
- if !bytes.Equal(value, v) {
- t.Logf("value mismatch [run %d] (%d of %d):\nkey: %x\ngot: %x\nexp: %x", index, i, len(m), []byte(k), value, v)
- db.CopyTempFile()
- t.FailNow()
- }
- i++
- }
- return nil
- }); err != nil {
- t.Fatal(err)
- }
- }
-
- index++
- return true
- }, nil); err != nil {
- t.Error(err)
- }
-}
-
-// Ensure that a transaction can insert multiple key/value pairs at once.
-func TestBucket_Put_Multiple(t *testing.T) {
- if testing.Short() {
- t.Skip("skipping test in short mode.")
- }
-
- if err := quick.Check(func(items testdata) bool {
- db := MustOpenDB()
- defer db.MustClose()
-
- // Bulk insert all values.
- if err := db.Update(func(tx *bolt.Tx) error {
- if _, err := tx.CreateBucket([]byte("widgets")); err != nil {
- t.Fatal(err)
- }
- return nil
- }); err != nil {
- t.Fatal(err)
- }
-
- if err := db.Update(func(tx *bolt.Tx) error {
- b := tx.Bucket([]byte("widgets"))
- for _, item := range items {
- if err := b.Put(item.Key, item.Value); err != nil {
- t.Fatal(err)
- }
- }
- return nil
- }); err != nil {
- t.Fatal(err)
- }
-
- // Verify all items exist.
- if err := db.View(func(tx *bolt.Tx) error {
- b := tx.Bucket([]byte("widgets"))
- for _, item := range items {
- value := b.Get(item.Key)
- if !bytes.Equal(item.Value, value) {
- db.CopyTempFile()
- t.Fatalf("exp=%x; got=%x", item.Value, value)
- }
- }
- return nil
- }); err != nil {
- t.Fatal(err)
- }
-
- return true
- }, qconfig()); err != nil {
- t.Error(err)
- }
-}
-
-// Ensure that a transaction can delete all key/value pairs and return to a single leaf page.
-func TestBucket_Delete_Quick(t *testing.T) {
- if testing.Short() {
- t.Skip("skipping test in short mode.")
- }
-
- if err := quick.Check(func(items testdata) bool {
- db := MustOpenDB()
- defer db.MustClose()
-
- // Bulk insert all values.
- if err := db.Update(func(tx *bolt.Tx) error {
- if _, err := tx.CreateBucket([]byte("widgets")); err != nil {
- t.Fatal(err)
- }
- return nil
- }); err != nil {
- t.Fatal(err)
- }
-
- if err := db.Update(func(tx *bolt.Tx) error {
- b := tx.Bucket([]byte("widgets"))
- for _, item := range items {
- if err := b.Put(item.Key, item.Value); err != nil {
- t.Fatal(err)
- }
- }
- return nil
- }); err != nil {
- t.Fatal(err)
- }
-
- // Remove items one at a time and check consistency.
- for _, item := range items {
- if err := db.Update(func(tx *bolt.Tx) error {
- return tx.Bucket([]byte("widgets")).Delete(item.Key)
- }); err != nil {
- t.Fatal(err)
- }
- }
-
- // Anything before our deletion index should be nil.
- if err := db.View(func(tx *bolt.Tx) error {
- if err := tx.Bucket([]byte("widgets")).ForEach(func(k, v []byte) error {
- t.Fatalf("bucket should be empty; found: %06x", trunc(k, 3))
- return nil
- }); err != nil {
- t.Fatal(err)
- }
- return nil
- }); err != nil {
- t.Fatal(err)
- }
-
- return true
- }, qconfig()); err != nil {
- t.Error(err)
- }
-}
-
-func ExampleBucket_Put() {
- // Open the database.
- db, err := bolt.Open(tempfile(), 0666, nil)
- if err != nil {
- log.Fatal(err)
- }
- defer os.Remove(db.Path())
-
- // Start a write transaction.
- if err := db.Update(func(tx *bolt.Tx) error {
- // Create a bucket.
- b, err := tx.CreateBucket([]byte("widgets"))
- if err != nil {
- return err
- }
-
- // Set the value "bar" for the key "foo".
- if err := b.Put([]byte("foo"), []byte("bar")); err != nil {
- return err
- }
- return nil
- }); err != nil {
- log.Fatal(err)
- }
-
- // Read value back in a different read-only transaction.
- if err := db.View(func(tx *bolt.Tx) error {
- value := tx.Bucket([]byte("widgets")).Get([]byte("foo"))
- fmt.Printf("The value of 'foo' is: %s\n", value)
- return nil
- }); err != nil {
- log.Fatal(err)
- }
-
- // Close database to release file lock.
- if err := db.Close(); err != nil {
- log.Fatal(err)
- }
-
- // Output:
- // The value of 'foo' is: bar
-}
-
-func ExampleBucket_Delete() {
- // Open the database.
- db, err := bolt.Open(tempfile(), 0666, nil)
- if err != nil {
- log.Fatal(err)
- }
- defer os.Remove(db.Path())
-
- // Start a write transaction.
- if err := db.Update(func(tx *bolt.Tx) error {
- // Create a bucket.
- b, err := tx.CreateBucket([]byte("widgets"))
- if err != nil {
- return err
- }
-
- // Set the value "bar" for the key "foo".
- if err := b.Put([]byte("foo"), []byte("bar")); err != nil {
- return err
- }
-
- // Retrieve the key back from the database and verify it.
- value := b.Get([]byte("foo"))
- fmt.Printf("The value of 'foo' was: %s\n", value)
-
- return nil
- }); err != nil {
- log.Fatal(err)
- }
-
- // Delete the key in a different write transaction.
- if err := db.Update(func(tx *bolt.Tx) error {
- return tx.Bucket([]byte("widgets")).Delete([]byte("foo"))
- }); err != nil {
- log.Fatal(err)
- }
-
- // Retrieve the key again.
- if err := db.View(func(tx *bolt.Tx) error {
- value := tx.Bucket([]byte("widgets")).Get([]byte("foo"))
- if value == nil {
- fmt.Printf("The value of 'foo' is now: nil\n")
- }
- return nil
- }); err != nil {
- log.Fatal(err)
- }
-
- // Close database to release file lock.
- if err := db.Close(); err != nil {
- log.Fatal(err)
- }
-
- // Output:
- // The value of 'foo' was: bar
- // The value of 'foo' is now: nil
-}
-
-func ExampleBucket_ForEach() {
- // Open the database.
- db, err := bolt.Open(tempfile(), 0666, nil)
- if err != nil {
- log.Fatal(err)
- }
- defer os.Remove(db.Path())
-
- // Insert data into a bucket.
- if err := db.Update(func(tx *bolt.Tx) error {
- b, err := tx.CreateBucket([]byte("animals"))
- if err != nil {
- return err
- }
-
- if err := b.Put([]byte("dog"), []byte("fun")); err != nil {
- return err
- }
- if err := b.Put([]byte("cat"), []byte("lame")); err != nil {
- return err
- }
- if err := b.Put([]byte("liger"), []byte("awesome")); err != nil {
- return err
- }
-
- // Iterate over items in sorted key order.
- if err := b.ForEach(func(k, v []byte) error {
- fmt.Printf("A %s is %s.\n", k, v)
- return nil
- }); err != nil {
- return err
- }
-
- return nil
- }); err != nil {
- log.Fatal(err)
- }
-
- // Close database to release file lock.
- if err := db.Close(); err != nil {
- log.Fatal(err)
- }
-
- // Output:
- // A cat is lame.
- // A dog is fun.
- // A liger is awesome.
-}
generated by cgit v1.2.3 (git 2.49.0) at 2025-07-12 21:00:42 +0000