// Copyright 2015 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 server
import (
"github.com/hanchuanchuan/goInception/domain"
"github.com/hanchuanchuan/goInception/kv"
"github.com/hanchuanchuan/goInception/mysql"
"github.com/hanchuanchuan/goInception/session"
"github.com/hanchuanchuan/goInception/store/mockstore"
"github.com/hanchuanchuan/goInception/types"
"github.com/hanchuanchuan/goInception/util/chunk"
"github.com/hanchuanchuan/goInception/util/testleak"
. "github.com/pingcap/check"
"github.com/pingcap/errors"
)
var _ = Suite(&testUtilSuite{})
func newStoreWithBootstrap() (kv.Storage, *domain.Domain, error) {
store, err := mockstore.NewMockTikvStore()
if err != nil {
return nil, nil, errors.Trace(err)
}
session.SetSchemaLease(0)
dom, err := session.BootstrapSession(store)
return store, dom, errors.Trace(err)
}
type testUtilSuite struct {
store kv.Storage
dom *domain.Domain
}
func (s *testUtilSuite) SetUpSuite(c *C) {
testleak.BeforeTest()
var err error
s.store, s.dom, err = newStoreWithBootstrap()
c.Assert(err, IsNil)
}
func (s *testUtilSuite) TearDownSuite(c *C) {
s.dom.Close()
s.store.Close()
testleak.AfterTest(c)()
}
func (s *testUtilSuite) TestDumpBinaryTime(c *C) {
t, err := types.ParseTimestamp(nil, "0000-00-00 00:00:00.0000000")
c.Assert(err, IsNil)
d, err := dumpBinaryDateTime(nil, t, nil)
c.Assert(err, IsNil)
c.Assert(d, DeepEquals, []byte{11, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0})
t, err = types.ParseDatetime(nil, "0000-00-00 00:00:00.0000000")
c.Assert(err, IsNil)
d, err = dumpBinaryDateTime(nil, t, nil)
c.Assert(err, IsNil)
c.Assert(d, DeepEquals, []byte{11, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0})
t, err = types.ParseDate(nil, "0000-00-00")
c.Assert(err, IsNil)
d, err = dumpBinaryDateTime(nil, t, nil)
c.Assert(err, IsNil)
c.Assert(d, DeepEquals, []byte{4, 0, 0, 0, 0})
myDuration, err := types.ParseDuration(nil, "0000-00-00 00:00:00.0000000", 6)
c.Assert(err, IsNil)
d = dumpBinaryTime(myDuration.Duration)
c.Assert(d, DeepEquals, []byte{0})
}
func (s *testUtilSuite) TestDumpTextValue(c *C) {
columns := []*ColumnInfo{{
Type: mysql.TypeLonglong,
Decimal: mysql.NotFixedDec,
}}
bs, err := dumpTextRow(nil, columns, chunk.MutRowFromDatums([]types.Datum{types.NewIntDatum(10)}).ToRow())
c.Assert(err, IsNil)
c.Assert(mustDecodeStr(c, bs), Equals, "10")
bs, err = dumpTextRow(nil, columns, chunk.MutRowFromDatums([]types.Datum{types.NewUintDatum(11)}).ToRow())
c.Assert(err, IsNil)
c.Assert(mustDecodeStr(c, bs), Equals, "11")
columns[0].Type = mysql.TypeFloat
columns[0].Decimal = 1
f32 := types.NewFloat32Datum(1.2)
bs, err = dumpTextRow(nil, columns, chunk.MutRowFromDatums([]types.Datum{f32}).ToRow())
c.Assert(err, IsNil)
c.Assert(mustDecodeStr(c, bs), Equals, "1.2")
columns[0].Decimal = 2
bs, err = dumpTextRow(nil, columns, chunk.MutRowFromDatums([]types.Datum{f32}).ToRow())
c.Assert(err, IsNil)
c.Assert(mustDecodeStr(c, bs), Equals, "1.20")
f64 := types.NewFloat64Datum(2.2)
columns[0].Type = mysql.TypeDouble
columns[0].Decimal = 1
bs, err = dumpTextRow(nil, columns, chunk.MutRowFromDatums([]types.Datum{f64}).ToRow())
c.Assert(err, IsNil)
c.Assert(mustDecodeStr(c, bs), Equals, "2.2")
columns[0].Decimal = 2
bs, err = dumpTextRow(nil, columns, chunk.MutRowFromDatums([]types.Datum{f64}).ToRow())
c.Assert(err, IsNil)
c.Assert(mustDecodeStr(c, bs), Equals, "2.20")
columns[0].Type = mysql.TypeBlob
bs, err = dumpTextRow(nil, columns, chunk.MutRowFromDatums([]types.Datum{types.NewBytesDatum([]byte("foo"))}).ToRow())
c.Assert(err, IsNil)
c.Assert(mustDecodeStr(c, bs), Equals, "foo")
columns[0].Type = mysql.TypeVarchar
bs, err = dumpTextRow(nil, columns, chunk.MutRowFromDatums([]types.Datum{types.NewStringDatum("bar")}).ToRow())
c.Assert(err, IsNil)
c.Assert(mustDecodeStr(c, bs), Equals, "bar")
var d types.Datum
time, err := types.ParseTime(nil, "2017-01-05 23:59:59.575601", mysql.TypeDatetime, 0)
c.Assert(err, IsNil)
d.SetMysqlTime(time)
columns[0].Type = mysql.TypeDatetime
bs, err = dumpTextRow(nil, columns, chunk.MutRowFromDatums([]types.Datum{d}).ToRow())
c.Assert(err, IsNil)
c.Assert(mustDecodeStr(c, bs), Equals, "2017-01-06 00:00:00")
duration, err := types.ParseDuration(nil, "11:30:45", 0)
c.Assert(err, IsNil)
d.SetMysqlDuration(duration)
columns[0].Type = mysql.TypeDuration
columns[0].Decimal = 0
bs, err = dumpTextRow(nil, columns, chunk.MutRowFromDatums([]types.Datum{d}).ToRow())
c.Assert(err, IsNil)
c.Assert(mustDecodeStr(c, bs), Equals, "11:30:45")
d.SetMysqlDecimal(types.NewDecFromStringForTest("1.23"))
columns[0].Type = mysql.TypeNewDecimal
bs, err = dumpTextRow(nil, columns, chunk.MutRowFromDatums([]types.Datum{d}).ToRow())
c.Assert(err, IsNil)
c.Assert(mustDecodeStr(c, bs), Equals, "1.23")
}
func mustDecodeStr(c *C, b []byte) string {
str, _, _, err := parseLengthEncodedBytes(b)
c.Assert(err, IsNil)
return string(str)
}
func (s *testUtilSuite) TestAppendFormatFloat(c *C) {
tests := []struct {
fVal float64
out string
prec int
bitSize int
}{
{
99999999999999999999,
"1e20",
-1,
64,
},
{
1e15,
"1e15",
-1,
64,
},
{
9e14,
"900000000000000",
-1,
64,
},
{
-9999999999999999,
"-1e16",
-1,
64,
},
{
999999999999999,
"999999999999999",
-1,
64,
},
{
0.000000000000001,
"0.000000000000001",
-1,
64,
},
{
0.0000000000000009,
"9e-16",
-1,
64,
},
{
-0.0000000000000009,
"-9e-16",
-1,
64,
},
{
0.11111,
"0.111",
3,
64,
},
{
0.11111,
"0.111",
3,
64,
},
{
0.1111111111111111111,
"0.11111111",
-1,
32,
},
{
0.1111111111111111111,
"0.1111111111111111",
-1,
64,
},
{
0.0000000000000009,
"0.000",
3,
64,
},
{
0,
"0",
-1,
64,
},
}
for _, t := range tests {
c.Assert(string(appendFormatFloat(nil, t.fVal, t.prec, t.bitSize)), Equals, t.out)
}
}
func (s *testUtilSuite) TestParseNullTermString(c *C) {
for _, t := range []struct {
input string
str string
remain string
}{
{
"abc\x00def",
"abc",
"def",
},
{
"\x00def",
"",
"def",
},
{
"def\x00hig\x00k",
"def",
"hig\x00k",
},
{
"abcdef",
"",
"abcdef",
},
} {
str, remain := parseNullTermString([]byte(t.input))
c.Assert(string(str), Equals, t.str)
c.Assert(string(remain), Equals, t.remain)
}
}