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etc_test.go
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// 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 types
import (
"io"
"testing"
. "github.com/pingcap/check"
"github.com/pingcap/errors"
"github.com/pingcap/parser/charset"
"github.com/pingcap/parser/mysql"
"github.com/pingcap/parser/terror"
"github.com/pingcap/tidb/util/testleak"
)
func TestT(t *testing.T) {
TestingT(t)
}
var _ = Suite(&testTypeEtcSuite{})
type testTypeEtcSuite struct {
}
func testIsTypeBlob(c *C, tp byte, expect bool) {
v := IsTypeBlob(tp)
c.Assert(v, Equals, expect)
}
func testIsTypeChar(c *C, tp byte, expect bool) {
v := IsTypeChar(tp)
c.Assert(v, Equals, expect)
}
func (s *testTypeEtcSuite) TestIsType(c *C) {
defer testleak.AfterTest(c)()
testIsTypeBlob(c, mysql.TypeTinyBlob, true)
testIsTypeBlob(c, mysql.TypeMediumBlob, true)
testIsTypeBlob(c, mysql.TypeBlob, true)
testIsTypeBlob(c, mysql.TypeLongBlob, true)
testIsTypeBlob(c, mysql.TypeInt24, false)
testIsTypeChar(c, mysql.TypeString, true)
testIsTypeChar(c, mysql.TypeVarchar, true)
testIsTypeChar(c, mysql.TypeLong, false)
}
func testTypeStr(c *C, tp byte, expect string) {
v := TypeStr(tp)
c.Assert(v, Equals, expect)
}
func testTypeToStr(c *C, tp byte, charset string, expect string) {
v := TypeToStr(tp, charset)
c.Assert(v, Equals, expect)
}
func (s *testTypeEtcSuite) TestTypeToStr(c *C) {
defer testleak.AfterTest(c)()
testTypeStr(c, mysql.TypeYear, "year")
testTypeStr(c, 0xdd, "")
testTypeToStr(c, mysql.TypeBlob, "utf8", "text")
testTypeToStr(c, mysql.TypeLongBlob, "utf8", "longtext")
testTypeToStr(c, mysql.TypeTinyBlob, "utf8", "tinytext")
testTypeToStr(c, mysql.TypeMediumBlob, "utf8", "mediumtext")
testTypeToStr(c, mysql.TypeVarchar, "binary", "varbinary")
testTypeToStr(c, mysql.TypeString, "binary", "binary")
testTypeToStr(c, mysql.TypeTiny, "binary", "tinyint")
testTypeToStr(c, mysql.TypeBlob, "binary", "blob")
testTypeToStr(c, mysql.TypeLongBlob, "binary", "longblob")
testTypeToStr(c, mysql.TypeTinyBlob, "binary", "tinyblob")
testTypeToStr(c, mysql.TypeMediumBlob, "binary", "mediumblob")
testTypeToStr(c, mysql.TypeVarchar, "utf8", "varchar")
testTypeToStr(c, mysql.TypeString, "utf8", "char")
testTypeToStr(c, mysql.TypeShort, "binary", "smallint")
testTypeToStr(c, mysql.TypeInt24, "binary", "mediumint")
testTypeToStr(c, mysql.TypeLong, "binary", "int")
testTypeToStr(c, mysql.TypeLonglong, "binary", "bigint")
testTypeToStr(c, mysql.TypeFloat, "binary", "float")
testTypeToStr(c, mysql.TypeDouble, "binary", "double")
testTypeToStr(c, mysql.TypeYear, "binary", "year")
testTypeToStr(c, mysql.TypeDuration, "binary", "time")
testTypeToStr(c, mysql.TypeDatetime, "binary", "datetime")
testTypeToStr(c, mysql.TypeDate, "binary", "date")
testTypeToStr(c, mysql.TypeTimestamp, "binary", "timestamp")
testTypeToStr(c, mysql.TypeNewDecimal, "binary", "decimal")
testTypeToStr(c, mysql.TypeUnspecified, "binary", "unspecified")
testTypeToStr(c, 0xdd, "binary", "")
testTypeToStr(c, mysql.TypeBit, "binary", "bit")
testTypeToStr(c, mysql.TypeEnum, "binary", "enum")
testTypeToStr(c, mysql.TypeSet, "binary", "set")
}
func (s *testTypeEtcSuite) TestEOFAsNil(c *C) {
defer testleak.AfterTest(c)()
err := EOFAsNil(io.EOF)
c.Assert(err, IsNil)
err = EOFAsNil(errors.New("test"))
c.Assert(err, ErrorMatches, "test")
}
func (s *testTypeEtcSuite) TestMaxFloat(c *C) {
defer testleak.AfterTest(c)()
tbl := []struct {
Flen int
Decimal int
Expect float64
}{
{3, 2, 9.99},
{5, 2, 999.99},
{10, 1, 999999999.9},
{5, 5, 0.99999},
}
for _, t := range tbl {
f := GetMaxFloat(t.Flen, t.Decimal)
c.Assert(f, Equals, t.Expect)
}
}
func (s *testTypeEtcSuite) TestRoundFloat(c *C) {
defer testleak.AfterTest(c)()
tbl := []struct {
Input float64
Expect float64
}{
{2.5, 3},
{1.5, 2},
{0.5, 1},
{0.49999999999999997, 0},
{0, 0},
{-0.49999999999999997, 0},
{-0.5, -1},
{-2.5, -3},
{-1.5, -2},
}
for _, t := range tbl {
f := RoundFloat(t.Input)
c.Assert(f, Equals, t.Expect)
}
}
func (s *testTypeEtcSuite) TestRound(c *C) {
defer testleak.AfterTest(c)()
tbl := []struct {
Input float64
Dec int
Expect float64
}{
{-1.23, 0, -1},
{-1.58, 0, -2},
{1.58, 0, 2},
{1.298, 1, 1.3},
{1.298, 0, 1},
{23.298, -1, 20},
}
for _, t := range tbl {
f := Round(t.Input, t.Dec)
c.Assert(f, Equals, t.Expect)
}
}
func (s *testTypeEtcSuite) TestTruncate(c *C) {
defer testleak.AfterTest(c)()
tbl := []struct {
Input float64
Flen int
Decimal int
Expect float64
Err error
}{
{100.114, 10, 2, 100.11, nil},
{100.115, 10, 2, 100.12, nil},
{100.1156, 10, 3, 100.116, nil},
{100.1156, 3, 1, 99.9, ErrOverflow},
{1.36, 10, 2, 1.36, nil},
}
for _, t := range tbl {
f, err := TruncateFloat(t.Input, t.Flen, t.Decimal)
c.Assert(f, Equals, t.Expect)
c.Assert(terror.ErrorEqual(err, t.Err), IsTrue, Commentf("err %v", err))
}
}
func (s *testTypeEtcSuite) TestIsTypeTemporal(c *C) {
defer testleak.AfterTest(c)()
res := IsTypeTemporal(mysql.TypeDuration)
c.Assert(res, Equals, true)
res = IsTypeTemporal(mysql.TypeDatetime)
c.Assert(res, Equals, true)
res = IsTypeTemporal(mysql.TypeTimestamp)
c.Assert(res, Equals, true)
res = IsTypeTemporal(mysql.TypeDate)
c.Assert(res, Equals, true)
res = IsTypeTemporal(mysql.TypeNewDate)
c.Assert(res, Equals, true)
res = IsTypeTemporal('t')
c.Assert(res, Equals, false)
}
func (s *testTypeEtcSuite) TestIsBinaryStr(c *C) {
defer testleak.AfterTest(c)()
in := FieldType{
Tp: mysql.TypeBit,
Flag: mysql.UnsignedFlag,
Flen: 1,
Decimal: 0,
Charset: charset.CharsetUTF8,
Collate: charset.CollationUTF8,
}
in.Collate = charset.CollationUTF8
res := IsBinaryStr(&in)
c.Assert(res, Equals, false)
in.Collate = charset.CollationBin
res = IsBinaryStr(&in)
c.Assert(res, Equals, false)
in.Tp = mysql.TypeBlob
res = IsBinaryStr(&in)
c.Assert(res, Equals, true)
}
func (s *testTypeEtcSuite) TestIsNonBinaryStr(c *C) {
defer testleak.AfterTest(c)()
in := FieldType{
Tp: mysql.TypeBit,
Flag: mysql.UnsignedFlag,
Flen: 1,
Decimal: 0,
Charset: charset.CharsetUTF8,
Collate: charset.CollationUTF8,
}
in.Collate = charset.CollationBin
res := IsBinaryStr(&in)
c.Assert(res, Equals, false)
in.Collate = charset.CollationUTF8
res = IsBinaryStr(&in)
c.Assert(res, Equals, false)
in.Tp = mysql.TypeBlob
res = IsBinaryStr(&in)
c.Assert(res, Equals, false)
}
func (s *testTypeEtcSuite) TestIsTemporalWithDate(c *C) {
defer testleak.AfterTest(c)()
res := IsTemporalWithDate(mysql.TypeDatetime)
c.Assert(res, Equals, true)
res = IsTemporalWithDate(mysql.TypeDate)
c.Assert(res, Equals, true)
res = IsTemporalWithDate(mysql.TypeTimestamp)
c.Assert(res, Equals, true)
res = IsTemporalWithDate('t')
c.Assert(res, Equals, false)
}
func (s *testTypeEtcSuite) TestIsTypePrefixable(c *C) {
defer testleak.AfterTest(c)()
res := IsTypePrefixable('t')
c.Assert(res, Equals, false)
res = IsTypePrefixable(mysql.TypeBlob)
c.Assert(res, Equals, true)
}
func (s *testTypeEtcSuite) TestIsTypeFractionable(c *C) {
defer testleak.AfterTest(c)()
res := IsTypeFractionable(mysql.TypeDatetime)
c.Assert(res, Equals, true)
res = IsTypeFractionable(mysql.TypeDuration)
c.Assert(res, Equals, true)
res = IsTypeFractionable(mysql.TypeTimestamp)
c.Assert(res, Equals, true)
res = IsTypeFractionable('t')
c.Assert(res, Equals, false)
}
func (s *testTypeEtcSuite) TestIsTypeNumeric(c *C) {
defer testleak.AfterTest(c)()
res := IsTypeNumeric(mysql.TypeBit)
c.Assert(res, Equals, true)
res = IsTypeNumeric(mysql.TypeTiny)
c.Assert(res, Equals, true)
res = IsTypeNumeric(mysql.TypeInt24)
c.Assert(res, Equals, true)
res = IsTypeNumeric(mysql.TypeLong)
c.Assert(res, Equals, true)
res = IsTypeNumeric(mysql.TypeLonglong)
c.Assert(res, Equals, true)
res = IsTypeNumeric(mysql.TypeNewDecimal)
c.Assert(res, Equals, true)
res = IsTypeNumeric(mysql.TypeDecimal)
c.Assert(res, Equals, true)
res = IsTypeNumeric(mysql.TypeFloat)
c.Assert(res, Equals, true)
res = IsTypeNumeric(mysql.TypeDouble)
c.Assert(res, Equals, true)
res = IsTypeNumeric(mysql.TypeShort)
c.Assert(res, Equals, true)
res = IsTypeNumeric('t')
c.Assert(res, Equals, false)
}