Files
tidb/util/misc_test.go

116 lines
2.5 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 util
import (
"time"
. "github.com/pingcap/check"
"github.com/pingcap/errors"
"github.com/pingcap/tidb/util/testleak"
)
var _ = Suite(&testMiscSuite{})
type testMiscSuite struct {
}
func (s *testMiscSuite) SetUpSuite(c *C) {
}
func (s *testMiscSuite) TearDownSuite(c *C) {
}
func (s *testMiscSuite) TestRunWithRetry(c *C) {
defer testleak.AfterTest(c)()
// Run succ.
cnt := 0
err := RunWithRetry(3, 1, func() (bool, error) {
cnt++
if cnt < 2 {
return true, errors.New("err")
}
return true, nil
})
c.Assert(err, IsNil)
c.Assert(cnt, Equals, 2)
// Run failed.
cnt = 0
err = RunWithRetry(3, 1, func() (bool, error) {
cnt++
if cnt < 4 {
return true, errors.New("err")
}
return true, nil
})
c.Assert(err, NotNil)
c.Assert(cnt, Equals, 3)
// Run failed.
cnt = 0
err = RunWithRetry(3, 1, func() (bool, error) {
cnt++
if cnt < 2 {
return false, errors.New("err")
}
return true, nil
})
c.Assert(err, NotNil)
c.Assert(cnt, Equals, 1)
}
func (s *testMiscSuite) TestCompatibleParseGCTime(c *C) {
values := []string{
"20181218-19:53:37 +0800 CST",
"20181218-19:53:37 +0800 MST",
"20181218-19:53:37 +0800 FOO",
"20181218-19:53:37 +0800 +08",
"20181218-19:53:37 +0800",
"20181218-19:53:37 +0800 ",
"20181218-11:53:37 +0000",
}
invalidValues := []string{
"",
" ",
"foo",
"20181218-11:53:37",
"20181218-19:53:37 +0800CST",
"20181218-19:53:37 +0800 FOO BAR",
"20181218-19:53:37 +0800FOOOOOOO BAR",
"20181218-19:53:37 ",
}
expectedTime := time.Date(2018, 12, 18, 11, 53, 37, 0, time.UTC)
expectedTimeFormatted := "20181218-19:53:37 +0800"
beijing, err := time.LoadLocation("Asia/Shanghai")
c.Assert(err, IsNil)
for _, value := range values {
t, err := CompatibleParseGCTime(value)
c.Assert(err, IsNil)
c.Assert(t.Equal(expectedTime), Equals, true)
formatted := t.In(beijing).Format(GCTimeFormat)
c.Assert(formatted, Equals, expectedTimeFormatted)
}
for _, value := range invalidValues {
_, err := CompatibleParseGCTime(value)
c.Assert(err, NotNil)
}
}