71 lines
1.5 KiB
Go
71 lines
1.5 KiB
Go
// Copyright 2016 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 util
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import (
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"github.com/juju/errors"
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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(&testMiscSuite{})
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type testMiscSuite struct {
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}
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func (s *testMiscSuite) SetUpSuite(c *C) {
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}
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func (s *testMiscSuite) TearDownSuite(c *C) {
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}
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func (s testMiscSuite) TestRunWithRetry(c *C) {
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defer testleak.AfterTest(c)()
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// Run succ.
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cnt := 0
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err := RunWithRetry(3, 1, func() (bool, error) {
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cnt++
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if cnt < 2 {
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return true, errors.New("err")
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}
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return true, nil
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})
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c.Assert(err, IsNil)
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c.Assert(cnt, Equals, 2)
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// Run failed.
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cnt = 0
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err = RunWithRetry(3, 1, func() (bool, error) {
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cnt++
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if cnt < 4 {
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return true, errors.New("err")
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}
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return true, nil
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})
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c.Assert(err, NotNil)
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c.Assert(cnt, Equals, 3)
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// Run failed.
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cnt = 0
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err = RunWithRetry(3, 1, func() (bool, error) {
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cnt++
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if cnt < 2 {
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return false, errors.New("err")
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}
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return true, nil
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})
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c.Assert(err, NotNil)
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c.Assert(cnt, Equals, 1)
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}
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