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91 lines
2.1 KiB
91 lines
2.1 KiB
// Copyright 2015 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 kv
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import (
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"errors"
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"time"
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. "github.com/pingcap/check"
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"github.com/pingcap/tidb/util/testleak"
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)
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var _ = Suite(&testTxnSuite{})
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type testTxnSuite struct {
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}
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func (s *testTxnSuite) SetUpTest(c *C) {
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}
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func (s *testTxnSuite) TearDownTest(c *C) {
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}
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func (s *testTxnSuite) TestBackOff(c *C) {
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defer testleak.AfterTest(c)()
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mustBackOff(c, 1, 2)
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mustBackOff(c, 2, 4)
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mustBackOff(c, 3, 8)
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mustBackOff(c, 100000, 100)
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}
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func mustBackOff(c *C, cnt uint, sleep int) {
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c.Assert(BackOff(cnt), LessEqual, sleep*int(time.Millisecond))
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}
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func (s *testTxnSuite) TestRetryExceedCountError(c *C) {
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defer testleak.AfterTest(c)()
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defer func(cnt uint) {
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maxRetryCnt = cnt
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}(maxRetryCnt)
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maxRetryCnt = 5
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err := RunInNewTxn(&mockStorage{}, true, func(txn Transaction) error {
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return nil
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})
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c.Assert(err, NotNil)
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err = RunInNewTxn(&mockStorage{}, true, func(txn Transaction) error {
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return ErrTxnRetryable
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})
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c.Assert(err, NotNil)
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err = RunInNewTxn(&mockStorage{}, true, func(txn Transaction) error {
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return errors.New("do not retry")
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})
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c.Assert(err, NotNil)
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var cfg InjectionConfig
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err1 := errors.New("foo")
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cfg.SetGetError(err1)
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cfg.SetCommitError(err1)
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storage := NewInjectedStore(NewMockStorage(), &cfg)
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err = RunInNewTxn(storage, true, func(txn Transaction) error {
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return nil
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})
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c.Assert(err, NotNil)
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}
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func (s *testTxnSuite) TestBasicFunc(c *C) {
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if IsMockCommitErrorEnable() {
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defer MockCommitErrorEnable()
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} else {
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defer MockCommitErrorDisable()
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}
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MockCommitErrorEnable()
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c.Assert(IsMockCommitErrorEnable(), IsTrue)
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MockCommitErrorDisable()
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c.Assert(IsMockCommitErrorEnable(), IsFalse)
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}
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