client-go/txnkv/kv/buffer_store_test.go

74 lines
1.8 KiB
Go

// Copyright 2016 PingCAP, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// See the License for the specific language governing permissions and
// limitations under the License.
package kv
import (
"bytes"
"context"
"fmt"
"testing"
. "github.com/pingcap/check"
"github.com/tikv/client-go/config"
"github.com/tikv/client-go/key"
)
func TestT(t *testing.T) {
TestingT(t)
}
type testBufferStoreSuite struct{}
var _ = Suite(testBufferStoreSuite{})
func (s testBufferStoreSuite) TestGetSet(c *C) {
conf := config.DefaultTxn()
bs := NewBufferStore(&mockSnapshot{NewMemDbBuffer(&conf, 0)}, &conf)
key := key.Key("key")
_, err := bs.Get(context.TODO(), key)
c.Check(err, NotNil)
err = bs.Set(key, []byte("value"))
c.Check(err, IsNil)
value, err := bs.Get(context.TODO(), key)
c.Check(err, IsNil)
c.Check(bytes.Compare(value, []byte("value")), Equals, 0)
}
func (s testBufferStoreSuite) TestSaveTo(c *C) {
conf := config.DefaultTxn()
bs := NewBufferStore(&mockSnapshot{NewMemDbBuffer(&conf, 0)}, &conf)
var buf bytes.Buffer
for i := 0; i < 10; i++ {
fmt.Fprint(&buf, i)
err := bs.Set(buf.Bytes(), buf.Bytes())
c.Check(err, IsNil)
buf.Reset()
}
bs.Set(key.Key("novalue"), nil)
mutator := NewMemDbBuffer(&conf, 0)
err := bs.SaveTo(mutator)
c.Check(err, IsNil)
iter, err := mutator.Iter(context.TODO(), nil, nil)
c.Check(err, IsNil)
for iter.Valid() {
cmp := bytes.Compare(iter.Key(), iter.Value())
c.Check(cmp, Equals, 0)
iter.Next(context.TODO())
}
}