Normalize structure following other projects

1 files changed, 0 insertions, 716 deletions

diff --git a/tests/tx_test.go b/tests/tx_test.go
deleted file mode 100644
index 2201e79..0000000
--- a/tests/tx_test.go
+++ /dev/null
@@ -1,716 +0,0 @@
-package bolt_test
-
-import (
-	"bytes"
-	"errors"
-	"fmt"
-	"log"
-	"os"
-	"testing"
-
-	"github.com/boltdb/bolt"
-)
-
-// Ensure that committing a closed transaction returns an error.
-func TestTx_Commit_ErrTxClosed(t *testing.T) {
-	db := MustOpenDB()
-	defer db.MustClose()
-	tx, err := db.Begin(true)
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	if _, err := tx.CreateBucket([]byte("foo")); err != nil {
-		t.Fatal(err)
-	}
-
-	if err := tx.Commit(); err != nil {
-		t.Fatal(err)
-	}
-
-	if err := tx.Commit(); err != bolt.ErrTxClosed {
-		t.Fatalf("unexpected error: %s", err)
-	}
-}
-
-// Ensure that rolling back a closed transaction returns an error.
-func TestTx_Rollback_ErrTxClosed(t *testing.T) {
-	db := MustOpenDB()
-	defer db.MustClose()
-
-	tx, err := db.Begin(true)
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	if err := tx.Rollback(); err != nil {
-		t.Fatal(err)
-	}
-	if err := tx.Rollback(); err != bolt.ErrTxClosed {
-		t.Fatalf("unexpected error: %s", err)
-	}
-}
-
-// Ensure that committing a read-only transaction returns an error.
-func TestTx_Commit_ErrTxNotWritable(t *testing.T) {
-	db := MustOpenDB()
-	defer db.MustClose()
-	tx, err := db.Begin(false)
-	if err != nil {
-		t.Fatal(err)
-	}
-	if err := tx.Commit(); err != bolt.ErrTxNotWritable {
-		t.Fatal(err)
-	}
-}
-
-// Ensure that a transaction can retrieve a cursor on the root bucket.
-func TestTx_Cursor(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)
-		}
-
-		if _, err := tx.CreateBucket([]byte("woojits")); err != nil {
-			t.Fatal(err)
-		}
-
-		c := tx.Cursor()
-		if k, v := c.First(); !bytes.Equal(k, []byte("widgets")) {
-			t.Fatalf("unexpected key: %v", k)
-		} else if v != nil {
-			t.Fatalf("unexpected value: %v", v)
-		}
-
-		if k, v := c.Next(); !bytes.Equal(k, []byte("woojits")) {
-			t.Fatalf("unexpected key: %v", k)
-		} else if v != nil {
-			t.Fatalf("unexpected value: %v", v)
-		}
-
-		if k, v := c.Next(); k != nil {
-			t.Fatalf("unexpected key: %v", k)
-		} else if v != nil {
-			t.Fatalf("unexpected value: %v", k)
-		}
-
-		return nil
-	}); err != nil {
-		t.Fatal(err)
-	}
-}
-
-// Ensure that creating a bucket with a read-only transaction returns an error.
-func TestTx_CreateBucket_ErrTxNotWritable(t *testing.T) {
-	db := MustOpenDB()
-	defer db.MustClose()
-	if err := db.View(func(tx *bolt.Tx) error {
-		_, err := tx.CreateBucket([]byte("foo"))
-		if err != bolt.ErrTxNotWritable {
-			t.Fatalf("unexpected error: %s", err)
-		}
-		return nil
-	}); err != nil {
-		t.Fatal(err)
-	}
-}
-
-// Ensure that creating a bucket on a closed transaction returns an error.
-func TestTx_CreateBucket_ErrTxClosed(t *testing.T) {
-	db := MustOpenDB()
-	defer db.MustClose()
-	tx, err := db.Begin(true)
-	if err != nil {
-		t.Fatal(err)
-	}
-	if err := tx.Commit(); err != nil {
-		t.Fatal(err)
-	}
-
-	if _, err := tx.CreateBucket([]byte("foo")); err != bolt.ErrTxClosed {
-		t.Fatalf("unexpected error: %s", err)
-	}
-}
-
-// Ensure that a Tx can retrieve a bucket.
-func TestTx_Bucket(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)
-		}
-		if tx.Bucket([]byte("widgets")) == nil {
-			t.Fatal("expected bucket")
-		}
-		return nil
-	}); err != nil {
-		t.Fatal(err)
-	}
-}
-
-// Ensure that a Tx retrieving a non-existent key returns nil.
-func TestTx_Get_NotFound(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 b.Get([]byte("no_such_key")) != nil {
-			t.Fatal("expected nil value")
-		}
-		return nil
-	}); err != nil {
-		t.Fatal(err)
-	}
-}
-
-// Ensure that a bucket can be created and retrieved.
-func TestTx_CreateBucket(t *testing.T) {
-	db := MustOpenDB()
-	defer db.MustClose()
-
-	// Create a bucket.
-	if err := db.Update(func(tx *bolt.Tx) error {
-		b, err := tx.CreateBucket([]byte("widgets"))
-		if err != nil {
-			t.Fatal(err)
-		} else if b == nil {
-			t.Fatal("expected bucket")
-		}
-		return nil
-	}); err != nil {
-		t.Fatal(err)
-	}
-
-	// Read the bucket through a separate transaction.
-	if err := db.View(func(tx *bolt.Tx) error {
-		if tx.Bucket([]byte("widgets")) == nil {
-			t.Fatal("expected bucket")
-		}
-		return nil
-	}); err != nil {
-		t.Fatal(err)
-	}
-}
-
-// Ensure that a bucket can be created if it doesn't already exist.
-func TestTx_CreateBucketIfNotExists(t *testing.T) {
-	db := MustOpenDB()
-	defer db.MustClose()
-	if err := db.Update(func(tx *bolt.Tx) error {
-		// Create bucket.
-		if b, err := tx.CreateBucketIfNotExists([]byte("widgets")); err != nil {
-			t.Fatal(err)
-		} else if b == nil {
-			t.Fatal("expected bucket")
-		}
-
-		// Create bucket again.
-		if b, err := tx.CreateBucketIfNotExists([]byte("widgets")); err != nil {
-			t.Fatal(err)
-		} else if b == nil {
-			t.Fatal("expected bucket")
-		}
-
-		return nil
-	}); err != nil {
-		t.Fatal(err)
-	}
-
-	// Read the bucket through a separate transaction.
-	if err := db.View(func(tx *bolt.Tx) error {
-		if tx.Bucket([]byte("widgets")) == nil {
-			t.Fatal("expected bucket")
-		}
-		return nil
-	}); err != nil {
-		t.Fatal(err)
-	}
-}
-
-// Ensure transaction returns an error if creating an unnamed bucket.
-func TestTx_CreateBucketIfNotExists_ErrBucketNameRequired(t *testing.T) {
-	db := MustOpenDB()
-	defer db.MustClose()
-	if err := db.Update(func(tx *bolt.Tx) error {
-		if _, err := tx.CreateBucketIfNotExists([]byte{}); err != bolt.ErrBucketNameRequired {
-			t.Fatalf("unexpected error: %s", err)
-		}
-
-		if _, err := tx.CreateBucketIfNotExists(nil); err != bolt.ErrBucketNameRequired {
-			t.Fatalf("unexpected error: %s", err)
-		}
-
-		return nil
-	}); err != nil {
-		t.Fatal(err)
-	}
-}
-
-// Ensure that a bucket cannot be created twice.
-func TestTx_CreateBucket_ErrBucketExists(t *testing.T) {
-	db := MustOpenDB()
-	defer db.MustClose()
-
-	// Create a bucket.
-	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)
-	}
-
-	// Create the same bucket again.
-	if err := db.Update(func(tx *bolt.Tx) error {
-		if _, err := tx.CreateBucket([]byte("widgets")); err != bolt.ErrBucketExists {
-			t.Fatalf("unexpected error: %s", err)
-		}
-		return nil
-	}); err != nil {
-		t.Fatal(err)
-	}
-}
-
-// Ensure that a bucket is created with a non-blank name.
-func TestTx_CreateBucket_ErrBucketNameRequired(t *testing.T) {
-	db := MustOpenDB()
-	defer db.MustClose()
-	if err := db.Update(func(tx *bolt.Tx) error {
-		if _, err := tx.CreateBucket(nil); err != bolt.ErrBucketNameRequired {
-			t.Fatalf("unexpected error: %s", err)
-		}
-		return nil
-	}); err != nil {
-		t.Fatal(err)
-	}
-}
-
-// Ensure that a bucket can be deleted.
-func TestTx_DeleteBucket(t *testing.T) {
-	db := MustOpenDB()
-	defer db.MustClose()
-
-	// Create a bucket and add a value.
-	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)
-		}
-		return nil
-	}); err != nil {
-		t.Fatal(err)
-	}
-
-	// Delete the bucket and make sure we can't get the value.
-	if err := db.Update(func(tx *bolt.Tx) error {
-		if err := tx.DeleteBucket([]byte("widgets")); err != nil {
-			t.Fatal(err)
-		}
-		if tx.Bucket([]byte("widgets")) != nil {
-			t.Fatal("unexpected bucket")
-		}
-		return nil
-	}); err != nil {
-		t.Fatal(err)
-	}
-
-	if err := db.Update(func(tx *bolt.Tx) error {
-		// Create the bucket again and make sure there's not a phantom value.
-		b, err := tx.CreateBucket([]byte("widgets"))
-		if err != nil {
-			t.Fatal(err)
-		}
-		if v := b.Get([]byte("foo")); v != nil {
-			t.Fatalf("unexpected phantom value: %v", v)
-		}
-		return nil
-	}); err != nil {
-		t.Fatal(err)
-	}
-}
-
-// Ensure that deleting a bucket on a closed transaction returns an error.
-func TestTx_DeleteBucket_ErrTxClosed(t *testing.T) {
-	db := MustOpenDB()
-	defer db.MustClose()
-	tx, err := db.Begin(true)
-	if err != nil {
-		t.Fatal(err)
-	}
-	if err := tx.Commit(); err != nil {
-		t.Fatal(err)
-	}
-	if err := tx.DeleteBucket([]byte("foo")); err != bolt.ErrTxClosed {
-		t.Fatalf("unexpected error: %s", err)
-	}
-}
-
-// Ensure that deleting a bucket with a read-only transaction returns an error.
-func TestTx_DeleteBucket_ReadOnly(t *testing.T) {
-	db := MustOpenDB()
-	defer db.MustClose()
-	if err := db.View(func(tx *bolt.Tx) error {
-		if err := tx.DeleteBucket([]byte("foo")); err != bolt.ErrTxNotWritable {
-			t.Fatalf("unexpected error: %s", err)
-		}
-		return nil
-	}); err != nil {
-		t.Fatal(err)
-	}
-}
-
-// Ensure that nothing happens when deleting a bucket that doesn't exist.
-func TestTx_DeleteBucket_NotFound(t *testing.T) {
-	db := MustOpenDB()
-	defer db.MustClose()
-	if err := db.Update(func(tx *bolt.Tx) error {
-		if err := tx.DeleteBucket([]byte("widgets")); err != bolt.ErrBucketNotFound {
-			t.Fatalf("unexpected error: %s", err)
-		}
-		return nil
-	}); err != nil {
-		t.Fatal(err)
-	}
-}
-
-// Ensure that no error is returned when a tx.ForEach function does not return
-// an error.
-func TestTx_ForEach_NoError(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 := tx.ForEach(func(name []byte, b *bolt.Bucket) error {
-			return nil
-		}); err != nil {
-			t.Fatal(err)
-		}
-		return nil
-	}); err != nil {
-		t.Fatal(err)
-	}
-}
-
-// Ensure that an error is returned when a tx.ForEach function returns an error.
-func TestTx_ForEach_WithError(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)
-		}
-
-		marker := errors.New("marker")
-		if err := tx.ForEach(func(name []byte, b *bolt.Bucket) error {
-			return marker
-		}); err != marker {
-			t.Fatalf("unexpected error: %s", err)
-		}
-		return nil
-	}); err != nil {
-		t.Fatal(err)
-	}
-}
-
-// Ensure that Tx commit handlers are called after a transaction successfully commits.
-func TestTx_OnCommit(t *testing.T) {
-	db := MustOpenDB()
-	defer db.MustClose()
-
-	var x int
-	if err := db.Update(func(tx *bolt.Tx) error {
-		tx.OnCommit(func() { x += 1 })
-		tx.OnCommit(func() { x += 2 })
-		if _, err := tx.CreateBucket([]byte("widgets")); err != nil {
-			t.Fatal(err)
-		}
-		return nil
-	}); err != nil {
-		t.Fatal(err)
-	} else if x != 3 {
-		t.Fatalf("unexpected x: %d", x)
-	}
-}
-
-// Ensure that Tx commit handlers are NOT called after a transaction rolls back.
-func TestTx_OnCommit_Rollback(t *testing.T) {
-	db := MustOpenDB()
-	defer db.MustClose()
-
-	var x int
-	if err := db.Update(func(tx *bolt.Tx) error {
-		tx.OnCommit(func() { x += 1 })
-		tx.OnCommit(func() { x += 2 })
-		if _, err := tx.CreateBucket([]byte("widgets")); err != nil {
-			t.Fatal(err)
-		}
-		return errors.New("rollback this commit")
-	}); err == nil || err.Error() != "rollback this commit" {
-		t.Fatalf("unexpected error: %s", err)
-	} else if x != 0 {
-		t.Fatalf("unexpected x: %d", x)
-	}
-}
-
-// Ensure that the database can be copied to a file path.
-func TestTx_CopyFile(t *testing.T) {
-	db := MustOpenDB()
-	defer db.MustClose()
-
-	path := tempfile()
-	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("baz"), []byte("bat")); err != nil {
-			t.Fatal(err)
-		}
-		return nil
-	}); err != nil {
-		t.Fatal(err)
-	}
-
-	if err := db.View(func(tx *bolt.Tx) error {
-		return tx.CopyFile(path, 0600)
-	}); err != nil {
-		t.Fatal(err)
-	}
-
-	db2, err := bolt.Open(path, 0600, nil)
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	if err := db2.View(func(tx *bolt.Tx) error {
-		if v := tx.Bucket([]byte("widgets")).Get([]byte("foo")); !bytes.Equal(v, []byte("bar")) {
-			t.Fatalf("unexpected value: %v", v)
-		}
-		if v := tx.Bucket([]byte("widgets")).Get([]byte("baz")); !bytes.Equal(v, []byte("bat")) {
-			t.Fatalf("unexpected value: %v", v)
-		}
-		return nil
-	}); err != nil {
-		t.Fatal(err)
-	}
-
-	if err := db2.Close(); err != nil {
-		t.Fatal(err)
-	}
-}
-
-type failWriterError struct{}
-
-func (failWriterError) Error() string {
-	return "error injected for tests"
-}
-
-type failWriter struct {
-	// fail after this many bytes
-	After int
-}
-
-func (f *failWriter) Write(p []byte) (n int, err error) {
-	n = len(p)
-	if n > f.After {
-		n = f.After
-		err = failWriterError{}
-	}
-	f.After -= n
-	return n, err
-}
-
-// Ensure that Copy handles write errors right.
-func TestTx_CopyFile_Error_Meta(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("baz"), []byte("bat")); err != nil {
-			t.Fatal(err)
-		}
-		return nil
-	}); err != nil {
-		t.Fatal(err)
-	}
-
-	if err := db.View(func(tx *bolt.Tx) error {
-		return tx.Copy(&failWriter{})
-	}); err == nil || err.Error() != "meta 0 copy: error injected for tests" {
-		t.Fatalf("unexpected error: %v", err)
-	}
-}
-
-// Ensure that Copy handles write errors right.
-func TestTx_CopyFile_Error_Normal(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("baz"), []byte("bat")); err != nil {
-			t.Fatal(err)
-		}
-		return nil
-	}); err != nil {
-		t.Fatal(err)
-	}
-
-	if err := db.View(func(tx *bolt.Tx) error {
-		return tx.Copy(&failWriter{3 * db.Info().PageSize})
-	}); err == nil || err.Error() != "error injected for tests" {
-		t.Fatalf("unexpected error: %v", err)
-	}
-}
-
-func ExampleTx_Rollback() {
-	// Open the database.
-	db, err := bolt.Open(tempfile(), 0666, nil)
-	if err != nil {
-		log.Fatal(err)
-	}
-	defer os.Remove(db.Path())
-
-	// Create a bucket.
-	if err := db.Update(func(tx *bolt.Tx) error {
-		_, err := tx.CreateBucket([]byte("widgets"))
-		return err
-	}); err != nil {
-		log.Fatal(err)
-	}
-
-	// Set a value for a key.
-	if err := db.Update(func(tx *bolt.Tx) error {
-		return tx.Bucket([]byte("widgets")).Put([]byte("foo"), []byte("bar"))
-	}); err != nil {
-		log.Fatal(err)
-	}
-
-	// Update the key but rollback the transaction so it never saves.
-	tx, err := db.Begin(true)
-	if err != nil {
-		log.Fatal(err)
-	}
-	b := tx.Bucket([]byte("widgets"))
-	if err := b.Put([]byte("foo"), []byte("baz")); err != nil {
-		log.Fatal(err)
-	}
-	if err := tx.Rollback(); err != nil {
-		log.Fatal(err)
-	}
-
-	// Ensure that our original value is still set.
-	if err := db.View(func(tx *bolt.Tx) error {
-		value := tx.Bucket([]byte("widgets")).Get([]byte("foo"))
-		fmt.Printf("The value for 'foo' is still: %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 for 'foo' is still: bar
-}
-
-func ExampleTx_CopyFile() {
-	// Open the database.
-	db, err := bolt.Open(tempfile(), 0666, nil)
-	if err != nil {
-		log.Fatal(err)
-	}
-	defer os.Remove(db.Path())
-
-	// Create a bucket and a key.
-	if err := db.Update(func(tx *bolt.Tx) error {
-		b, err := tx.CreateBucket([]byte("widgets"))
-		if err != nil {
-			return err
-		}
-		if err := b.Put([]byte("foo"), []byte("bar")); err != nil {
-			return err
-		}
-		return nil
-	}); err != nil {
-		log.Fatal(err)
-	}
-
-	// Copy the database to another file.
-	toFile := tempfile()
-	if err := db.View(func(tx *bolt.Tx) error {
-		return tx.CopyFile(toFile, 0666)
-	}); err != nil {
-		log.Fatal(err)
-	}
-	defer os.Remove(toFile)
-
-	// Open the cloned database.
-	db2, err := bolt.Open(toFile, 0666, nil)
-	if err != nil {
-		log.Fatal(err)
-	}
-
-	// Ensure that the key exists in the copy.
-	if err := db2.View(func(tx *bolt.Tx) error {
-		value := tx.Bucket([]byte("widgets")).Get([]byte("foo"))
-		fmt.Printf("The value for 'foo' in the clone 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)
-	}
-
-	if err := db2.Close(); err != nil {
-		log.Fatal(err)
-	}
-
-	// Output:
-	// The value for 'foo' in the clone is: bar
-}