mirror of https://github.com/tikv/client-go.git
148 lines
4.2 KiB
Go
148 lines
4.2 KiB
Go
// Copyright 2021 TiKV Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// NOTE: The code in this file is based on code from the
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// TiDB project, licensed under the Apache License v 2.0
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//
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// https://github.com/pingcap/tidb/tree/cc5e161ac06827589c4966674597c137cc9e809c/store/tikv/tests/ticlient_test.go
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//
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// Copyright 2021 PingCAP, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package tikv_test
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import (
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"context"
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"fmt"
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"time"
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. "github.com/pingcap/check"
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"github.com/pingcap/tidb/kv"
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tikvstore "github.com/tikv/client-go/v2/kv"
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"github.com/tikv/client-go/v2/tikv"
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)
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type testTiclientSuite struct {
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store *tikv.KVStore
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// prefix is prefix of each key in this test. It is used for table isolation,
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// or it may pollute other data.
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prefix string
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}
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var _ = SerialSuites(&testTiclientSuite{})
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func (s *testTiclientSuite) SetUpSuite(c *C) {
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s.store = NewTestStore(c)
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s.prefix = fmt.Sprintf("ticlient_%d", time.Now().Unix())
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}
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func (s *testTiclientSuite) TearDownSuite(c *C) {
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// Clean all data, or it may pollute other data.
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txn := s.beginTxn(c)
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scanner, err := txn.Iter(encodeKey(s.prefix, ""), nil)
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c.Assert(err, IsNil)
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c.Assert(scanner, NotNil)
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for scanner.Valid() {
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k := scanner.Key()
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err = txn.Delete(k)
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c.Assert(err, IsNil)
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scanner.Next()
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}
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err = txn.Commit(context.Background())
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c.Assert(err, IsNil)
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err = s.store.Close()
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c.Assert(err, IsNil)
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}
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func (s *testTiclientSuite) beginTxn(c *C) *tikv.KVTxn {
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txn, err := s.store.Begin()
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c.Assert(err, IsNil)
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return txn
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}
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func (s *testTiclientSuite) TestSingleKey(c *C) {
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txn := s.beginTxn(c)
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err := txn.Set(encodeKey(s.prefix, "key"), []byte("value"))
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c.Assert(err, IsNil)
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err = txn.LockKeys(context.Background(), new(tikvstore.LockCtx), encodeKey(s.prefix, "key"))
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c.Assert(err, IsNil)
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err = txn.Commit(context.Background())
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c.Assert(err, IsNil)
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txn = s.beginTxn(c)
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val, err := txn.Get(context.TODO(), encodeKey(s.prefix, "key"))
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c.Assert(err, IsNil)
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c.Assert(val, BytesEquals, []byte("value"))
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txn = s.beginTxn(c)
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err = txn.Delete(encodeKey(s.prefix, "key"))
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c.Assert(err, IsNil)
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err = txn.Commit(context.Background())
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c.Assert(err, IsNil)
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}
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func (s *testTiclientSuite) TestMultiKeys(c *C) {
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const keyNum = 100
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txn := s.beginTxn(c)
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for i := 0; i < keyNum; i++ {
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err := txn.Set(encodeKey(s.prefix, s08d("key", i)), valueBytes(i))
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c.Assert(err, IsNil)
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}
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err := txn.Commit(context.Background())
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c.Assert(err, IsNil)
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txn = s.beginTxn(c)
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for i := 0; i < keyNum; i++ {
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val, err1 := txn.Get(context.TODO(), encodeKey(s.prefix, s08d("key", i)))
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c.Assert(err1, IsNil)
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c.Assert(val, BytesEquals, valueBytes(i))
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}
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txn = s.beginTxn(c)
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for i := 0; i < keyNum; i++ {
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err = txn.Delete(encodeKey(s.prefix, s08d("key", i)))
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c.Assert(err, IsNil)
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}
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err = txn.Commit(context.Background())
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c.Assert(err, IsNil)
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}
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func (s *testTiclientSuite) TestNotExist(c *C) {
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txn := s.beginTxn(c)
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_, err := txn.Get(context.TODO(), encodeKey(s.prefix, "noSuchKey"))
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c.Assert(err, NotNil)
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}
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func (s *testTiclientSuite) TestLargeRequest(c *C) {
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largeValue := make([]byte, 9*1024*1024) // 9M value.
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txn := s.beginTxn(c)
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txn.GetUnionStore().SetEntrySizeLimit(1024*1024, 100*1024*1024)
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err := txn.Set([]byte("key"), largeValue)
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c.Assert(err, NotNil)
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err = txn.Commit(context.Background())
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c.Assert(err, IsNil)
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c.Assert(kv.IsTxnRetryableError(err), IsFalse)
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}
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