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// 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 (
"bytes"
"crypto/x509/pkix"
"time"
. "github.com/pingcap/check"
"github.com/pingcap/errors"
"github.com/pingcap/parser"
"github.com/pingcap/parser/model"
"github.com/pingcap/parser/mysql"
"github.com/pingcap/parser/terror"
"github.com/pingcap/tidb/sessionctx/stmtctx"
"github.com/pingcap/tidb/types"
"github.com/pingcap/tidb/util/fastrand"
"github.com/pingcap/tidb/util/memory"
"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)
}
}
func (s *testMiscSuite) TestX509NameParseMatch(c *C) {
check := pkix.Name{
Names: []pkix.AttributeTypeAndValue{
MockPkixAttribute(Country, "SE"),
MockPkixAttribute(Province, "Stockholm2"),
MockPkixAttribute(Locality, "Stockholm"),
MockPkixAttribute(Organization, "MySQL demo client certificate"),
MockPkixAttribute(OrganizationalUnit, "testUnit"),
MockPkixAttribute(CommonName, "client"),
MockPkixAttribute(Email, "client@example.com"),
},
}
c.Assert(X509NameOnline(check), Equals, "/C=SE/ST=Stockholm2/L=Stockholm/O=MySQL demo client certificate/OU=testUnit/CN=client/emailAddress=client@example.com")
check = pkix.Name{}
c.Assert(X509NameOnline(check), Equals, "")
}
func (s *testMiscSuite) TestBasicFunc(c *C) {
// Test for GetStack.
b := GetStack()
c.Assert(len(b) < 4096, IsTrue)
// Test for WithRecovery.
var recover interface{}
WithRecovery(func() {
panic("test")
}, func(r interface{}) {
recover = r
})
c.Assert(recover, Equals, "test")
// Test for SyntaxError.
c.Assert(SyntaxError(nil), IsNil)
c.Assert(terror.ErrorEqual(SyntaxError(errors.New("test")), parser.ErrParse), IsTrue)
c.Assert(terror.ErrorEqual(SyntaxError(parser.ErrSyntax.GenWithStackByArgs()), parser.ErrSyntax), IsTrue)
// Test for SyntaxWarn.
c.Assert(SyntaxWarn(nil), IsNil)
c.Assert(terror.ErrorEqual(SyntaxWarn(errors.New("test")), parser.ErrParse), IsTrue)
// Test for ProcessInfo.
pi := ProcessInfo{
ID: 1,
User: "test",
Host: "www",
DB: "db",
Command: mysql.ComSleep,
Plan: nil,
Time: time.Now(),
State: 1,
Info: "test",
StmtCtx: &stmtctx.StatementContext{
MemTracker: memory.NewTracker(-1, -1),
},
}
row := pi.ToRowForShow(false)
row2 := pi.ToRowForShow(true)
c.Assert(row, DeepEquals, row2)
c.Assert(len(row), Equals, 8)
c.Assert(row[0], Equals, pi.ID)
c.Assert(row[1], Equals, pi.User)
c.Assert(row[2], Equals, pi.Host)
c.Assert(row[3], Equals, pi.DB)
c.Assert(row[4], Equals, "Sleep")
c.Assert(row[5], Equals, uint64(0))
c.Assert(row[6], Equals, "1")
c.Assert(row[7], Equals, "test")
row3 := pi.ToRow(time.UTC)
c.Assert(row3[:8], DeepEquals, row)
c.Assert(row3[9], Equals, int64(0))
// Test for RandomBuf.
buf := fastrand.Buf(5)
c.Assert(len(buf), Equals, 5)
c.Assert(bytes.Contains(buf, []byte("$")), IsFalse)
c.Assert(bytes.Contains(buf, []byte{0}), IsFalse)
}
func (*testMiscSuite) TestToPB(c *C) {
column := &model.ColumnInfo{
ID: 1,
Name: model.NewCIStr("c"),
Offset: 0,
DefaultValue: 0,
FieldType: *types.NewFieldType(0),
Hidden: true,
}
column.Collate = "utf8mb4_general_ci"
column2 := &model.ColumnInfo{
ID: 1,
Name: model.NewCIStr("c"),
Offset: 0,
DefaultValue: 0,
FieldType: *types.NewFieldType(0),
Hidden: true,
}
column2.Collate = "utf8mb4_bin"
c.Assert(ColumnToProto(column).String(), Equals, "column_id:1 collation:45 columnLen:-1 decimal:-1 ")
c.Assert(ColumnsToProto([]*model.ColumnInfo{column, column2}, false)[0].String(), Equals, "column_id:1 collation:45 columnLen:-1 decimal:-1 ")
}