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-rw-r--r--rwtransaction_test.go306
1 files changed, 306 insertions, 0 deletions
diff --git a/rwtransaction_test.go b/rwtransaction_test.go
new file mode 100644
index 0000000..18b6ae9
--- /dev/null
+++ b/rwtransaction_test.go
@@ -0,0 +1,306 @@
+package bolt
+
+import (
+ "bytes"
+ "fmt"
+ "os"
+ "strings"
+ "testing"
+ "testing/quick"
+
+ "github.com/stretchr/testify/assert"
+)
+
+// Ensure that a RWTransaction can be retrieved.
+func TestRWTransaction(t *testing.T) {
+ withOpenDB(func(db *DB, path string) {
+ txn, err := db.RWTransaction()
+ assert.NotNil(t, txn)
+ assert.NoError(t, err)
+ assert.Equal(t, txn.DB(), db)
+ })
+}
+
+// Ensure that opening a RWTransaction while the DB is closed returns an error.
+func TestRWTransactionOpenWithClosedDB(t *testing.T) {
+ withDB(func(db *DB, path string) {
+ txn, err := db.RWTransaction()
+ assert.Equal(t, err, ErrDatabaseNotOpen)
+ assert.Nil(t, txn)
+ })
+}
+
+// Ensure that a bucket can be created and retrieved.
+func TestRWTransactionCreateBucket(t *testing.T) {
+ withOpenDB(func(db *DB, path string) {
+ // Create a bucket.
+ err := db.CreateBucket("widgets")
+ assert.NoError(t, err)
+
+ // Read the bucket through a separate transaction.
+ b, err := db.Bucket("widgets")
+ assert.NotNil(t, b)
+ assert.NoError(t, err)
+ })
+}
+
+// Ensure that a bucket can be created if it doesn't already exist.
+func TestRWTransactionCreateBucketIfNotExists(t *testing.T) {
+ withOpenDB(func(db *DB, path string) {
+ assert.NoError(t, db.CreateBucketIfNotExists("widgets"))
+ assert.NoError(t, db.CreateBucketIfNotExists("widgets"))
+
+ // Read the bucket through a separate transaction.
+ b, err := db.Bucket("widgets")
+ assert.NotNil(t, b)
+ assert.NoError(t, err)
+ })
+}
+
+// Ensure that a bucket cannot be created twice.
+func TestRWTransactionRecreateBucket(t *testing.T) {
+ withOpenDB(func(db *DB, path string) {
+ // Create a bucket.
+ err := db.CreateBucket("widgets")
+ assert.NoError(t, err)
+
+ // Create the same bucket again.
+ err = db.CreateBucket("widgets")
+ assert.Equal(t, err, ErrBucketExists)
+ })
+}
+
+// Ensure that a bucket is created with a non-blank name.
+func TestRWTransactionCreateBucketWithoutName(t *testing.T) {
+ withOpenDB(func(db *DB, path string) {
+ err := db.CreateBucket("")
+ assert.Equal(t, err, ErrBucketNameRequired)
+ })
+}
+
+// Ensure that a bucket name is not too long.
+func TestRWTransactionCreateBucketWithLongName(t *testing.T) {
+ withOpenDB(func(db *DB, path string) {
+ err := db.CreateBucket(strings.Repeat("X", 255))
+ assert.NoError(t, err)
+
+ err = db.CreateBucket(strings.Repeat("X", 256))
+ assert.Equal(t, err, ErrBucketNameTooLarge)
+ })
+}
+
+// Ensure that a bucket can be deleted.
+func TestRWTransactionDeleteBucket(t *testing.T) {
+ withOpenDB(func(db *DB, path string) {
+ // Create a bucket and add a value.
+ db.CreateBucket("widgets")
+ db.Put("widgets", []byte("foo"), []byte("bar"))
+
+ // Delete the bucket and make sure we can't get the value.
+ assert.NoError(t, db.DeleteBucket("widgets"))
+ value, err := db.Get("widgets", []byte("foo"))
+ assert.Equal(t, err, ErrBucketNotFound)
+ assert.Nil(t, value)
+
+ // Create the bucket again and make sure there's not a phantom value.
+ assert.NoError(t, db.CreateBucket("widgets"))
+ value, err = db.Get("widgets", []byte("foo"))
+ assert.NoError(t, err)
+ assert.Nil(t, value)
+ })
+}
+
+// Ensure that a bucket can return an autoincrementing sequence.
+func TestRWTransactionNextSequence(t *testing.T) {
+ withOpenDB(func(db *DB, path string) {
+ db.CreateBucket("widgets")
+ db.CreateBucket("woojits")
+
+ // Make sure sequence increments.
+ seq, err := db.NextSequence("widgets")
+ assert.NoError(t, err)
+ assert.Equal(t, seq, 1)
+ seq, err = db.NextSequence("widgets")
+ assert.NoError(t, err)
+ assert.Equal(t, seq, 2)
+
+ // Buckets should be separate.
+ seq, err = db.NextSequence("woojits")
+ assert.NoError(t, err)
+ assert.Equal(t, seq, 1)
+
+ // Missing buckets return an error.
+ seq, err = db.NextSequence("no_such_bucket")
+ assert.Equal(t, err, ErrBucketNotFound)
+ assert.Equal(t, seq, 0)
+ })
+}
+
+// Ensure that incrementing past the maximum sequence number will return an error.
+func TestRWTransactionNextSequenceOverflow(t *testing.T) {
+ withOpenDB(func(db *DB, path string) {
+ db.CreateBucket("widgets")
+ db.Do(func(txn *RWTransaction) error {
+ b := txn.Bucket("widgets")
+ b.bucket.sequence = uint64(maxInt)
+ seq, err := txn.NextSequence("widgets")
+ assert.Equal(t, err, ErrSequenceOverflow)
+ assert.Equal(t, seq, 0)
+ return nil
+ })
+ })
+}
+
+// Ensure that an error is returned when inserting into a bucket that doesn't exist.
+func TestRWTransactionPutBucketNotFound(t *testing.T) {
+ withOpenDB(func(db *DB, path string) {
+ err := db.Put("widgets", []byte("foo"), []byte("bar"))
+ assert.Equal(t, err, ErrBucketNotFound)
+ })
+}
+
+// Ensure that an error is returned when inserting with an empty key.
+func TestRWTransactionPutEmptyKey(t *testing.T) {
+ withOpenDB(func(db *DB, path string) {
+ db.CreateBucket("widgets")
+ err := db.Put("widgets", []byte(""), []byte("bar"))
+ assert.Equal(t, err, ErrKeyRequired)
+ err = db.Put("widgets", nil, []byte("bar"))
+ assert.Equal(t, err, ErrKeyRequired)
+ })
+}
+
+// Ensure that an error is returned when inserting with a key that's too large.
+func TestRWTransactionPutKeyTooLarge(t *testing.T) {
+ withOpenDB(func(db *DB, path string) {
+ db.CreateBucket("widgets")
+ err := db.Put("widgets", make([]byte, 32769), []byte("bar"))
+ assert.Equal(t, err, ErrKeyTooLarge)
+ })
+}
+
+// Ensure that an error is returned when deleting from a bucket that doesn't exist.
+func TestRWTransactionDeleteBucketNotFound(t *testing.T) {
+ withOpenDB(func(db *DB, path string) {
+ err := db.DeleteBucket("widgets")
+ assert.Equal(t, err, ErrBucketNotFound)
+ })
+}
+
+// Ensure that a bucket can write random keys and values across multiple txns.
+func TestRWTransactionPutSingle(t *testing.T) {
+ index := 0
+ f := func(items testdata) bool {
+ withOpenDB(func(db *DB, path string) {
+ m := make(map[string][]byte)
+
+ db.CreateBucket("widgets")
+ for _, item := range items {
+ if err := db.Put("widgets", item.Key, item.Value); err != nil {
+ panic("put error: " + err.Error())
+ }
+ m[string(item.Key)] = item.Value
+
+ // Verify all key/values so far.
+ i := 0
+ for k, v := range m {
+ value, err := db.Get("widgets", []byte(k))
+ if err != nil {
+ panic("get error: " + err.Error())
+ }
+ if !bytes.Equal(value, v) {
+ db.CopyFile("/tmp/bolt.put.single.db", 0666)
+ t.Fatalf("value mismatch [run %d] (%d of %d):\nkey: %x\ngot: %x\nexp: %x", index, i, len(m), []byte(k), value, v)
+ }
+ i++
+ }
+ }
+
+ fmt.Fprint(os.Stderr, ".")
+ })
+ index++
+ return true
+ }
+ if err := quick.Check(f, qconfig()); err != nil {
+ t.Error(err)
+ }
+ fmt.Fprint(os.Stderr, "\n")
+}
+
+// Ensure that a transaction can insert multiple key/value pairs at once.
+func TestRWTransactionPutMultiple(t *testing.T) {
+ f := func(items testdata) bool {
+ withOpenDB(func(db *DB, path string) {
+ // Bulk insert all values.
+ db.CreateBucket("widgets")
+ rwtxn, _ := db.RWTransaction()
+ for _, item := range items {
+ assert.NoError(t, rwtxn.Put("widgets", item.Key, item.Value))
+ }
+ assert.NoError(t, rwtxn.Commit())
+
+ // Verify all items exist.
+ txn, _ := db.Transaction()
+ for _, item := range items {
+ value, err := txn.Get("widgets", item.Key)
+ assert.NoError(t, err)
+ if !assert.Equal(t, item.Value, value) {
+ db.CopyFile("/tmp/bolt.put.multiple.db", 0666)
+ t.FailNow()
+ }
+ }
+ txn.Close()
+ })
+ fmt.Fprint(os.Stderr, ".")
+ return true
+ }
+ if err := quick.Check(f, qconfig()); err != nil {
+ t.Error(err)
+ }
+ fmt.Fprint(os.Stderr, "\n")
+}
+
+// Ensure that a transaction can delete all key/value pairs and return to a single leaf page.
+func TestRWTransactionDelete(t *testing.T) {
+ f := func(items testdata) bool {
+ withOpenDB(func(db *DB, path string) {
+ // Bulk insert all values.
+ db.CreateBucket("widgets")
+ rwtxn, _ := db.RWTransaction()
+ for _, item := range items {
+ assert.NoError(t, rwtxn.Put("widgets", item.Key, item.Value))
+ }
+ assert.NoError(t, rwtxn.Commit())
+
+ // Remove items one at a time and check consistency.
+ for i, item := range items {
+ assert.NoError(t, db.Delete("widgets", item.Key))
+
+ // Anything before our deletion index should be nil.
+ txn, _ := db.Transaction()
+ for j, exp := range items {
+ if j > i {
+ value, err := txn.Get("widgets", exp.Key)
+ assert.NoError(t, err)
+ if !assert.Equal(t, exp.Value, value) {
+ t.FailNow()
+ }
+ } else {
+ value, err := txn.Get("widgets", exp.Key)
+ assert.NoError(t, err)
+ if !assert.Nil(t, value) {
+ t.FailNow()
+ }
+ }
+ }
+ txn.Close()
+ }
+ })
+ fmt.Fprint(os.Stderr, ".")
+ return true
+ }
+ if err := quick.Check(f, qconfig()); err != nil {
+ t.Error(err)
+ }
+ fmt.Fprint(os.Stderr, "\n")
+}
generated by cgit v1.2.3 (git 2.49.0) at 2025-07-21 17:07:47 +0000