Files
tidb/server/driver_tidb_test.go

123 lines
4.0 KiB
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// Copyright 2017 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,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package server
import (
"testing"
"github.com/pingcap/tidb/parser/ast"
"github.com/pingcap/tidb/parser/charset"
"github.com/pingcap/tidb/parser/model"
"github.com/pingcap/tidb/parser/mysql"
"github.com/pingcap/tidb/types"
"github.com/pingcap/tidb/util/sqlexec"
"github.com/stretchr/testify/require"
)
func createColumnByTypeAndLen(tp byte, cl uint32) *ColumnInfo {
return &ColumnInfo{
Schema: "test",
Table: "dual",
OrgTable: "",
Name: "a",
OrgName: "a",
ColumnLength: cl,
Charset: uint16(mysql.CharsetNameToID(charset.CharsetUTF8)),
Flag: uint16(mysql.UnsignedFlag),
Decimal: uint8(0),
Type: tp,
DefaultValueLength: uint64(0),
DefaultValue: nil,
}
}
func TestConvertColumnInfo(t *testing.T) {
// Test "mysql.TypeBit", for: https://github.com/pingcap/tidb/issues/5405.
ftb := types.NewFieldTypeBuilder()
ftb.SetType(mysql.TypeBit).SetFlag(mysql.UnsignedFlag).SetFlen(1).SetCharset(charset.CharsetUTF8).SetCollate(charset.CollationUTF8)
resultField := ast.ResultField{
Column: &model.ColumnInfo{
Name: model.NewCIStr("a"),
ID: 0,
Offset: 0,
FieldType: ftb.Build(),
Comment: "column a is the first column in table dual",
},
ColumnAsName: model.NewCIStr("a"),
TableAsName: model.NewCIStr("dual"),
DBName: model.NewCIStr("test"),
}
colInfo := convertColumnInfo(&resultField)
require.Equal(t, createColumnByTypeAndLen(mysql.TypeBit, 1), colInfo)
// Test "mysql.TypeTiny", for: https://github.com/pingcap/tidb/issues/5405.
ftpb := types.NewFieldTypeBuilder()
ftpb.SetType(mysql.TypeTiny).SetFlag(mysql.UnsignedFlag).SetFlen(1).SetCharset(charset.CharsetUTF8).SetCollate(charset.CollationUTF8)
resultField = ast.ResultField{
Column: &model.ColumnInfo{
Name: model.NewCIStr("a"),
ID: 0,
Offset: 0,
FieldType: ftpb.Build(),
Comment: "column a is the first column in table dual",
},
ColumnAsName: model.NewCIStr("a"),
TableAsName: model.NewCIStr("dual"),
DBName: model.NewCIStr("test"),
}
colInfo = convertColumnInfo(&resultField)
require.Equal(t, createColumnByTypeAndLen(mysql.TypeTiny, 1), colInfo)
ftpb1 := types.NewFieldTypeBuilder()
ftpb1.SetType(mysql.TypeYear).SetFlag(mysql.ZerofillFlag).SetFlen(4).SetCharset(charset.CharsetBin).SetCollate(charset.CollationBin)
resultField = ast.ResultField{
Column: &model.ColumnInfo{
Name: model.NewCIStr("a"),
ID: 0,
Offset: 0,
FieldType: ftpb1.Build(),
Comment: "column a is the first column in table dual",
},
ColumnAsName: model.NewCIStr("a"),
TableAsName: model.NewCIStr("dual"),
DBName: model.NewCIStr("test"),
}
colInfo = convertColumnInfo(&resultField)
require.Equal(t, uint32(4), colInfo.ColumnLength)
}
func TestRSWithHooks(t *testing.T) {
closeCount := 0
rs := &rsWithHooks{
ResultSet: &tidbResultSet{recordSet: new(sqlexec.SimpleRecordSet)},
onClosed: func() { closeCount++ },
}
require.Equal(t, 0, closeCount)
rs.Close()
require.Equal(t, 1, closeCount)
rs.Close()
require.Equal(t, 1, closeCount)
}
func TestUnwrapRS(t *testing.T) {
var nilRS ResultSet
require.Nil(t, unwrapResultSet(nilRS))
rs0 := new(tidbResultSet)
rs1 := &rsWithHooks{ResultSet: rs0}
rs2 := &rsWithHooks{ResultSet: rs1}
for _, rs := range []ResultSet{rs0, rs1, rs2} {
require.Equal(t, rs0, unwrapResultSet(rs))
}
}