// 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, // 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 types import ( "fmt" "math" "strconv" "testing" "time" "github.com/pingcap/errors" "github.com/pingcap/tidb/parser/charset" "github.com/pingcap/tidb/parser/mysql" "github.com/pingcap/tidb/parser/terror" "github.com/pingcap/tidb/sessionctx/stmtctx" "github.com/pingcap/tidb/types/json" "github.com/stretchr/testify/require" ) type invalidMockType struct { } // Convert converts the val with type tp. func Convert(val interface{}, target *FieldType) (v interface{}, err error) { d := NewDatum(val) sc := new(stmtctx.StatementContext) sc.TimeZone = time.UTC ret, err := d.ConvertTo(sc, target) if err != nil { return ret.GetValue(), errors.Trace(err) } return ret.GetValue(), nil } func TestConvertType(t *testing.T) { ft := NewFieldType(mysql.TypeBlob) ft.Flen = 4 ft.Charset = "utf8" v, err := Convert("123456", ft) require.True(t, ErrDataTooLong.Equal(err)) require.Equal(t, "1234", v) ft = NewFieldType(mysql.TypeString) ft.Flen = 4 ft.Charset = charset.CharsetBin v, err = Convert("12345", ft) require.True(t, ErrDataTooLong.Equal(err)) require.Equal(t, []byte("1234"), v) ft = NewFieldType(mysql.TypeFloat) ft.Flen = 5 ft.Decimal = 2 v, err = Convert(111.114, ft) require.NoError(t, err) require.Equal(t, float32(111.11), v) ft = NewFieldType(mysql.TypeFloat) ft.Flen = 5 ft.Decimal = 2 v, err = Convert(999.999, ft) require.Error(t, err) require.Equal(t, float32(999.99), v) ft = NewFieldType(mysql.TypeFloat) ft.Flen = 5 ft.Decimal = 2 v, err = Convert(-999.999, ft) require.Error(t, err) require.Equal(t, float32(-999.99), v) ft = NewFieldType(mysql.TypeFloat) ft.Flen = 5 ft.Decimal = 2 v, err = Convert(1111.11, ft) require.Error(t, err) require.Equal(t, float32(999.99), v) ft = NewFieldType(mysql.TypeFloat) ft.Flen = 5 ft.Decimal = 2 v, err = Convert(999.916, ft) require.NoError(t, err) require.Equal(t, float32(999.92), v) ft = NewFieldType(mysql.TypeFloat) ft.Flen = 5 ft.Decimal = 2 v, err = Convert(999.914, ft) require.NoError(t, err) require.Equal(t, float32(999.91), v) ft = NewFieldType(mysql.TypeFloat) ft.Flen = 5 ft.Decimal = 2 v, err = Convert(999.9155, ft) require.NoError(t, err) require.Equal(t, float32(999.92), v) // For TypeBlob ft = NewFieldType(mysql.TypeBlob) _, err = Convert(&invalidMockType{}, ft) require.Error(t, err) // Nil ft = NewFieldType(mysql.TypeBlob) v, err = Convert(nil, ft) require.NoError(t, err) require.Nil(t, v) // TypeDouble ft = NewFieldType(mysql.TypeDouble) ft.Flen = 5 ft.Decimal = 2 v, err = Convert(999.9155, ft) require.NoError(t, err) require.Equal(t, float64(999.92), v) // For TypeString ft = NewFieldType(mysql.TypeString) ft.Flen = 3 v, err = Convert("12345", ft) require.True(t, ErrDataTooLong.Equal(err)) require.Equal(t, "123", v) ft = NewFieldType(mysql.TypeString) ft.Flen = 3 ft.Charset = charset.CharsetBin v, err = Convert("12345", ft) require.True(t, ErrDataTooLong.Equal(err)) require.Equal(t, []byte("123"), v) // For TypeDuration ft = NewFieldType(mysql.TypeDuration) ft.Decimal = 3 v, err = Convert("10:11:12.123456", ft) require.NoError(t, err) require.Equal(t, "10:11:12.123", v.(Duration).String()) ft.Decimal = 1 vv, err := Convert(v, ft) require.NoError(t, err) require.Equal(t, "10:11:12.1", vv.(Duration).String()) sc := &stmtctx.StatementContext{TimeZone: time.UTC} vd, err := ParseTime(sc, "2010-10-10 10:11:11.12345", mysql.TypeDatetime, 2) require.Equal(t, "2010-10-10 10:11:11.12", vd.String()) require.NoError(t, err) v, err = Convert(vd, ft) require.NoError(t, err) require.Equal(t, "10:11:11.1", v.(Duration).String()) vt, err := ParseTime(sc, "2010-10-10 10:11:11.12345", mysql.TypeTimestamp, 2) require.Equal(t, "2010-10-10 10:11:11.12", vt.String()) require.NoError(t, err) v, err = Convert(vt, ft) require.NoError(t, err) require.Equal(t, "10:11:11.1", v.(Duration).String()) // For mysql.TypeTimestamp, mysql.TypeDatetime, mysql.TypeDate ft = NewFieldType(mysql.TypeTimestamp) ft.Decimal = 3 v, err = Convert("2010-10-10 10:11:11.12345", ft) require.NoError(t, err) require.Equal(t, "2010-10-10 10:11:11.123", v.(Time).String()) ft.Decimal = 1 vv, err = Convert(v, ft) require.NoError(t, err) require.Equal(t, "2010-10-10 10:11:11.1", vv.(Time).String()) // For TypeLonglong ft = NewFieldType(mysql.TypeLonglong) v, err = Convert("100", ft) require.NoError(t, err) require.Equal(t, int64(100), v) // issue 4287. v, err = Convert(math.Pow(2, 63)-1, ft) require.NoError(t, err) require.Equal(t, int64(math.MaxInt64), v) ft = NewFieldType(mysql.TypeLonglong) ft.Flag |= mysql.UnsignedFlag v, err = Convert("100", ft) require.NoError(t, err) require.Equal(t, uint64(100), v) // issue 3470 ft = NewFieldType(mysql.TypeLonglong) v, err = Convert(Duration{Duration: 12*time.Hour + 59*time.Minute + 59*time.Second + 555*time.Millisecond, Fsp: 3}, ft) require.NoError(t, err) require.Equal(t, int64(130000), v) v, err = Convert(NewTime(FromDate(2017, 1, 1, 12, 59, 59, 555000), mysql.TypeDatetime, MaxFsp), ft) require.NoError(t, err) require.Equal(t, int64(20170101130000), v) // For TypeBit ft = NewFieldType(mysql.TypeBit) ft.Flen = 24 // 3 bytes. v, err = Convert("100", ft) require.NoError(t, err) require.Equal(t, NewBinaryLiteralFromUint(3223600, 3), v) v, err = Convert(NewBinaryLiteralFromUint(100, -1), ft) require.NoError(t, err) require.Equal(t, NewBinaryLiteralFromUint(100, 3), v) ft.Flen = 1 v, err = Convert(1, ft) require.NoError(t, err) require.Equal(t, NewBinaryLiteralFromUint(1, 1), v) _, err = Convert(2, ft) require.Error(t, err) ft.Flen = 0 _, err = Convert(2, ft) require.Error(t, err) // For TypeNewDecimal ft = NewFieldType(mysql.TypeNewDecimal) ft.Flen = 8 ft.Decimal = 4 v, err = Convert(3.1416, ft) require.NoErrorf(t, err, errors.ErrorStack(err)) require.Equal(t, "3.1416", v.(*MyDecimal).String()) v, err = Convert("3.1415926", ft) require.NoError(t, err) require.Equal(t, "3.1416", v.(*MyDecimal).String()) v, err = Convert("99999", ft) require.Truef(t, terror.ErrorEqual(err, ErrOverflow), "err %v", err) require.Equal(t, "9999.9999", v.(*MyDecimal).String()) v, err = Convert("-10000", ft) require.Truef(t, terror.ErrorEqual(err, ErrOverflow), "err %v", err) require.Equal(t, "-9999.9999", v.(*MyDecimal).String()) v, err = Convert("1,999.00", ft) require.Truef(t, terror.ErrorEqual(err, ErrTruncated), "err %v", err) require.Equal(t, "1.0000", v.(*MyDecimal).String()) v, err = Convert("1,999,999.00", ft) require.Truef(t, terror.ErrorEqual(err, ErrTruncated), "err %v", err) require.Equal(t, "1.0000", v.(*MyDecimal).String()) v, err = Convert("199.00 ", ft) require.NoError(t, err) require.Equal(t, "199.0000", v.(*MyDecimal).String()) // Test Datum.ToDecimal with bad number. d := NewDatum("hello") _, err = d.ToDecimal(sc) require.Truef(t, terror.ErrorEqual(err, ErrBadNumber), "err %v", err) sc.IgnoreTruncate = true v, err = d.ToDecimal(sc) require.NoError(t, err) require.Equal(t, "0", v.(*MyDecimal).String()) // For TypeYear ft = NewFieldType(mysql.TypeYear) v, err = Convert("2015", ft) require.NoError(t, err) require.Equal(t, int64(2015), v) v, err = Convert(2015, ft) require.NoError(t, err) require.Equal(t, int64(2015), v) _, err = Convert(1800, ft) require.Error(t, err) dt, err := ParseDate(nil, "2015-11-11") require.NoError(t, err) v, err = Convert(dt, ft) require.NoError(t, err) require.Equal(t, int64(2015), v) v, err = Convert(ZeroDuration, ft) require.NoError(t, err) require.Equal(t, int64(0), v) bj1, err := json.ParseBinaryFromString("99") require.NoError(t, err) v, err = Convert(bj1, ft) require.NoError(t, err) require.Equal(t, int64(1999), v) bj2, err := json.ParseBinaryFromString("-1") require.NoError(t, err) _, err = Convert(bj2, ft) require.Error(t, err) bj3, err := json.ParseBinaryFromString("{\"key\": 99}") require.NoError(t, err) _, err = Convert(bj3, ft) require.Error(t, err) bj4, err := json.ParseBinaryFromString("[99, 0, 1]") require.NoError(t, err) _, err = Convert(bj4, ft) require.Error(t, err) // For enum ft = NewFieldType(mysql.TypeEnum) ft.Elems = []string{"a", "b", "c"} v, err = Convert("a", ft) require.NoError(t, err) require.Equal(t, Enum{Name: "a", Value: 1}, v) v, err = Convert(2, ft) require.NoError(t, err) require.Equal(t, Enum{Name: "b", Value: 2}, v) _, err = Convert("d", ft) require.Error(t, err) v, err = Convert(4, ft) require.Truef(t, terror.ErrorEqual(err, ErrTruncated), "err %v", err) require.Equal(t, Enum{}, v) ft = NewFieldType(mysql.TypeSet) ft.Elems = []string{"a", "b", "c"} v, err = Convert("a", ft) require.NoError(t, err) require.Equal(t, Set{Name: "a", Value: 1}, v) v, err = Convert(2, ft) require.NoError(t, err) require.Equal(t, Set{Name: "b", Value: 2}, v) v, err = Convert(3, ft) require.NoError(t, err) require.Equal(t, Set{Name: "a,b", Value: 3}, v) _, err = Convert("d", ft) require.Error(t, err) _, err = Convert(9, ft) require.Error(t, err) } func testToString(t *testing.T, val interface{}, expect string) { b, err := ToString(val) require.NoError(t, err) require.Equal(t, expect, b) } func TestConvertToString(t *testing.T) { testToString(t, "0", "0") testToString(t, true, "1") testToString(t, "false", "false") testToString(t, 0, "0") testToString(t, int64(0), "0") testToString(t, uint64(0), "0") testToString(t, float32(1.6), "1.6") testToString(t, float64(-0.6), "-0.6") testToString(t, []byte{1}, "\x01") testToString(t, NewBinaryLiteralFromUint(0x4D7953514C, -1), "MySQL") testToString(t, NewBinaryLiteralFromUint(0x41, -1), "A") testToString(t, Enum{Name: "a", Value: 1}, "a") testToString(t, Set{Name: "a", Value: 1}, "a") t1, err := ParseTime(&stmtctx.StatementContext{TimeZone: time.UTC}, "2011-11-10 11:11:11.999999", mysql.TypeTimestamp, 6) require.NoError(t, err) testToString(t, t1, "2011-11-10 11:11:11.999999") td, err := ParseDuration(nil, "11:11:11.999999", 6) require.NoError(t, err) testToString(t, td, "11:11:11.999999") ft := NewFieldType(mysql.TypeNewDecimal) ft.Flen = 10 ft.Decimal = 5 v, err := Convert(3.1415926, ft) require.NoError(t, err) testToString(t, v, "3.14159") _, err = ToString(&invalidMockType{}) require.Error(t, err) // test truncate tests := []struct { flen int charset string input string output string }{ {5, "utf8", "你好，世界", "你好，世界"}, {5, "utf8mb4", "你好，世界", "你好，世界"}, {4, "utf8", "你好，世界", "你好，世"}, {4, "utf8mb4", "你好，世界", "你好，世"}, {15, "binary", "你好，世界", "你好，世界"}, {12, "binary", "你好，世界", "你好，世"}, {0, "binary", "你好，世界", ""}, } for _, tt := range tests { ft = NewFieldType(mysql.TypeVarchar) ft.Flen = tt.flen ft.Charset = tt.charset inputDatum := NewStringDatum(tt.input) sc := new(stmtctx.StatementContext) outputDatum, err := inputDatum.ConvertTo(sc, ft) if tt.input != tt.output { require.True(t, ErrDataTooLong.Equal(err)) } else { require.NoError(t, err) } require.Equal(t, tt.output, outputDatum.GetString()) } } func TestConvertToStringWithCheck(t *testing.T) { nhUTF8 := "你好" nhUTF8MB4 := "你好👋" nhUTF8Invalid := "你好" + string([]byte{0x81}) type SC = *stmtctx.StatementContext tests := []struct { input string outputChs string setStmtCtx func(ctx *stmtctx.StatementContext) output string }{ {nhUTF8, "utf8mb4", func(s SC) { s.SkipUTF8Check = false }, nhUTF8}, {nhUTF8MB4, "utf8mb4", func(s SC) { s.SkipUTF8Check = false }, nhUTF8MB4}, {nhUTF8, "utf8mb4", func(s SC) { s.SkipUTF8Check = true }, nhUTF8}, {nhUTF8MB4, "utf8mb4", func(s SC) { s.SkipUTF8Check = true }, nhUTF8MB4}, {nhUTF8Invalid, "utf8mb4", func(s SC) { s.SkipUTF8Check = true }, nhUTF8Invalid}, {nhUTF8Invalid, "utf8mb4", func(s SC) { s.SkipUTF8Check = false }, ""}, {nhUTF8Invalid, "ascii", func(s SC) { s.SkipASCIICheck = false }, ""}, {nhUTF8Invalid, "ascii", func(s SC) { s.SkipASCIICheck = true }, nhUTF8Invalid}, {nhUTF8MB4, "utf8", func(s SC) { s.SkipUTF8MB4Check = false }, ""}, {nhUTF8MB4, "utf8", func(s SC) { s.SkipUTF8MB4Check = true }, nhUTF8MB4}, } for _, tt := range tests { ft := NewFieldType(mysql.TypeVarchar) ft.Flen = 255 ft.Charset = tt.outputChs inputDatum := NewStringDatum(tt.input) sc := new(stmtctx.StatementContext) tt.setStmtCtx(sc) outputDatum, err := inputDatum.ConvertTo(sc, ft) if len(tt.output) == 0 { require.True(t, charset.ErrInvalidCharacterString.Equal(err), tt) } else { require.NoError(t, err, tt) require.Equal(t, tt.output, outputDatum.GetString(), tt) } } } func TestConvertToBinaryString(t *testing.T) { nhUTF8 := "你好" nhGBK := string([]byte{0xC4, 0xE3, 0xBA, 0xC3}) // "你好" in GBK nhUTF8Invalid := "你好" + string([]byte{0x81}) nhGBKInvalid := nhGBK + string([]byte{0x81}) tests := []struct { input string inputCollate string outputCharset string output string }{ {nhUTF8, "utf8_bin", "utf8", nhUTF8}, {nhUTF8, "utf8mb4_bin", "utf8mb4", nhUTF8}, {nhUTF8, "gbk_bin", "utf8", nhUTF8}, {nhUTF8, "gbk_bin", "gbk", nhUTF8}, {nhUTF8, "binary", "utf8mb4", nhUTF8}, {nhGBK, "binary", "gbk", nhUTF8}, {nhUTF8, "utf8_bin", "binary", nhUTF8}, {nhUTF8, "gbk_bin", "binary", nhGBK}, {nhUTF8Invalid, "utf8_bin", "utf8", ""}, {nhGBKInvalid, "gbk_bin", "gbk", ""}, } for _, tt := range tests { ft := NewFieldType(mysql.TypeVarchar) ft.Flen = 255 ft.Charset = tt.outputCharset inputDatum := NewCollationStringDatum(tt.input, tt.inputCollate) sc := new(stmtctx.StatementContext) outputDatum, err := inputDatum.ConvertTo(sc, ft) if len(tt.output) == 0 { require.True(t, charset.ErrInvalidCharacterString.Equal(err), tt) } else { require.NoError(t, err, tt) require.Equal(t, tt.output, outputDatum.GetString(), tt) } } } func testStrToInt(t *testing.T, str string, expect int64, truncateAsErr bool, expectErr error) { sc := new(stmtctx.StatementContext) sc.IgnoreTruncate = !truncateAsErr val, err := StrToInt(sc, str, false) if expectErr != nil { require.Truef(t, terror.ErrorEqual(err, expectErr), "err %v", err) } else { require.NoError(t, err) require.Equal(t, expect, val) } } func testStrToUint(t *testing.T, str string, expect uint64, truncateAsErr bool, expectErr error) { sc := new(stmtctx.StatementContext) sc.IgnoreTruncate = !truncateAsErr val, err := StrToUint(sc, str, false) if expectErr != nil { require.Truef(t, terror.ErrorEqual(err, expectErr), "err %v", err) } else { require.NoError(t, err) require.Equal(t, expect, val) } } func testStrToFloat(t *testing.T, str string, expect float64, truncateAsErr bool, expectErr error) { sc := new(stmtctx.StatementContext) sc.IgnoreTruncate = !truncateAsErr val, err := StrToFloat(sc, str, false) if expectErr != nil { require.Truef(t, terror.ErrorEqual(err, expectErr), "err %v", err) } else { require.NoError(t, err) require.Equal(t, expect, val) } } func TestStrToNum(t *testing.T) { testStrToInt(t, "0", 0, true, nil) testStrToInt(t, "-1", -1, true, nil) testStrToInt(t, "100", 100, true, nil) testStrToInt(t, "65.0", 65, false, nil) testStrToInt(t, "65.0", 65, true, nil) testStrToInt(t, "", 0, false, nil) testStrToInt(t, "", 0, true, ErrTruncatedWrongVal) testStrToInt(t, "xx", 0, true, ErrTruncatedWrongVal) testStrToInt(t, "xx", 0, false, nil) testStrToInt(t, "11xx", 11, true, ErrTruncatedWrongVal) testStrToInt(t, "11xx", 11, false, nil) testStrToInt(t, "xx11", 0, false, nil) testStrToUint(t, "0", 0, true, nil) testStrToUint(t, "", 0, false, nil) testStrToUint(t, "", 0, false, nil) testStrToUint(t, "-1", 0xffffffffffffffff, false, ErrOverflow) testStrToUint(t, "100", 100, true, nil) testStrToUint(t, "+100", 100, true, nil) testStrToUint(t, "65.0", 65, true, nil) testStrToUint(t, "xx", 0, true, ErrTruncatedWrongVal) testStrToUint(t, "11xx", 11, true, ErrTruncatedWrongVal) testStrToUint(t, "xx11", 0, true, ErrTruncatedWrongVal) // TODO: makes StrToFloat return truncated value instead of zero to make it pass. testStrToFloat(t, "", 0, true, ErrTruncatedWrongVal) testStrToFloat(t, "-1", -1.0, true, nil) testStrToFloat(t, "1.11", 1.11, true, nil) testStrToFloat(t, "1.11.00", 1.11, false, nil) testStrToFloat(t, "1.11.00", 1.11, true, ErrTruncatedWrongVal) testStrToFloat(t, "xx", 0.0, false, nil) testStrToFloat(t, "0x00", 0.0, false, nil) testStrToFloat(t, "11.xx", 11.0, false, nil) testStrToFloat(t, "11.xx", 11.0, true, ErrTruncatedWrongVal) testStrToFloat(t, "xx.11", 0.0, false, nil) // for issue #5111 testStrToFloat(t, "1e649", math.MaxFloat64, true, ErrTruncatedWrongVal) testStrToFloat(t, "1e649", math.MaxFloat64, false, nil) testStrToFloat(t, "-1e649", -math.MaxFloat64, true, ErrTruncatedWrongVal) testStrToFloat(t, "-1e649", -math.MaxFloat64, false, nil) // for issue #10806, #11179 testSelectUpdateDeleteEmptyStringError(t) } func testSelectUpdateDeleteEmptyStringError(t *testing.T) { testCases := []struct { inSelect bool inDelete bool }{ {true, false}, {false, true}, } sc := new(stmtctx.StatementContext) sc.TruncateAsWarning = true for _, tc := range testCases { sc.InSelectStmt = tc.inSelect sc.InDeleteStmt = tc.inDelete str := "" expect := 0 val, err := StrToInt(sc, str, false) require.NoError(t, err) require.Equal(t, int64(expect), val) val1, err := StrToUint(sc, str, false) require.NoError(t, err) require.Equal(t, uint64(expect), val1) val2, err := StrToFloat(sc, str, false) require.NoError(t, err) require.Equal(t, float64(expect), val2) } } func TestFieldTypeToStr(t *testing.T) { v := TypeToStr(mysql.TypeUnspecified, "not binary") require.Equal(t, TypeStr(mysql.TypeUnspecified), v) v = TypeToStr(mysql.TypeBlob, charset.CharsetBin) require.Equal(t, "blob", v) v = TypeToStr(mysql.TypeString, charset.CharsetBin) require.Equal(t, "binary", v) } func accept(t *testing.T, tp byte, value interface{}, unsigned bool, expected string) { ft := NewFieldType(tp) if unsigned { ft.Flag |= mysql.UnsignedFlag } d := NewDatum(value) sc := new(stmtctx.StatementContext) sc.TimeZone = time.UTC sc.IgnoreTruncate = true casted, err := d.ConvertTo(sc, ft) require.NoErrorf(t, err, "%v", ft) if casted.IsNull() { require.Equal(t, "", expected) } else { str, err := casted.ToString() require.NoError(t, err) require.Equal(t, expected, str) } } func unsignedAccept(t *testing.T, tp byte, value interface{}, expected string) { accept(t, tp, value, true, expected) } func signedAccept(t *testing.T, tp byte, value interface{}, expected string) { accept(t, tp, value, false, expected) } func deny(t *testing.T, tp byte, value interface{}, unsigned bool, expected string) { ft := NewFieldType(tp) if unsigned { ft.Flag |= mysql.UnsignedFlag } d := NewDatum(value) sc := new(stmtctx.StatementContext) casted, err := d.ConvertTo(sc, ft) require.Error(t, err) if casted.IsNull() { require.Equal(t, "", expected) } else { str, err := casted.ToString() require.NoError(t, err) require.Equal(t, expected, str) } } func unsignedDeny(t *testing.T, tp byte, value interface{}, expected string) { deny(t, tp, value, true, expected) } func signedDeny(t *testing.T, tp byte, value interface{}, expected string) { deny(t, tp, value, false, expected) } func strvalue(v interface{}) string { return fmt.Sprintf("%v", v) } func TestConvert(t *testing.T) { // integer ranges signedDeny(t, mysql.TypeTiny, -129, "-128") signedAccept(t, mysql.TypeTiny, -128, "-128") signedAccept(t, mysql.TypeTiny, 127, "127") signedDeny(t, mysql.TypeTiny, 128, "127") signedAccept(t, mysql.TypeTiny, NewBinaryLiteralFromUint(127, -1), "127") signedDeny(t, mysql.TypeTiny, NewBinaryLiteralFromUint(128, -1), "127") unsignedDeny(t, mysql.TypeTiny, -1, "255") unsignedAccept(t, mysql.TypeTiny, 0, "0") unsignedAccept(t, mysql.TypeTiny, 255, "255") unsignedDeny(t, mysql.TypeTiny, 256, "255") unsignedAccept(t, mysql.TypeTiny, NewBinaryLiteralFromUint(0, -1), "0") unsignedAccept(t, mysql.TypeTiny, NewBinaryLiteralFromUint(255, -1), "255") unsignedDeny(t, mysql.TypeTiny, NewBinaryLiteralFromUint(256, -1), "255") signedDeny(t, mysql.TypeShort, int64(math.MinInt16)-1, strvalue(int64(math.MinInt16))) signedAccept(t, mysql.TypeShort, int64(math.MinInt16), strvalue(int64(math.MinInt16))) signedAccept(t, mysql.TypeShort, int64(math.MaxInt16), strvalue(int64(math.MaxInt16))) signedDeny(t, mysql.TypeShort, int64(math.MaxInt16)+1, strvalue(int64(math.MaxInt16))) signedAccept(t, mysql.TypeShort, NewBinaryLiteralFromUint(math.MaxInt16, -1), strvalue(int64(math.MaxInt16))) signedDeny(t, mysql.TypeShort, NewBinaryLiteralFromUint(math.MaxInt16+1, -1), strvalue(int64(math.MaxInt16))) unsignedDeny(t, mysql.TypeShort, -1, "65535") unsignedAccept(t, mysql.TypeShort, 0, "0") unsignedAccept(t, mysql.TypeShort, uint64(math.MaxUint16), strvalue(uint64(math.MaxUint16))) unsignedDeny(t, mysql.TypeShort, uint64(math.MaxUint16)+1, strvalue(uint64(math.MaxUint16))) unsignedAccept(t, mysql.TypeShort, NewBinaryLiteralFromUint(0, -1), "0") unsignedAccept(t, mysql.TypeShort, NewBinaryLiteralFromUint(math.MaxUint16, -1), strvalue(uint64(math.MaxUint16))) unsignedDeny(t, mysql.TypeShort, NewBinaryLiteralFromUint(math.MaxUint16+1, -1), strvalue(uint64(math.MaxUint16))) signedDeny(t, mysql.TypeInt24, -1<<23-1, strvalue(-1<<23)) signedAccept(t, mysql.TypeInt24, -1<<23, strvalue(-1<<23)) signedAccept(t, mysql.TypeInt24, 1<<23-1, strvalue(1<<23-1)) signedDeny(t, mysql.TypeInt24, 1<<23, strvalue(1<<23-1)) signedAccept(t, mysql.TypeInt24, NewBinaryLiteralFromUint(1<<23-1, -1), strvalue(1<<23-1)) signedDeny(t, mysql.TypeInt24, NewBinaryLiteralFromUint(1<<23, -1), strvalue(1<<23-1)) unsignedDeny(t, mysql.TypeInt24, -1, "16777215") unsignedAccept(t, mysql.TypeInt24, 0, "0") unsignedAccept(t, mysql.TypeInt24, 1<<24-1, strvalue(1<<24-1)) unsignedDeny(t, mysql.TypeInt24, 1<<24, strvalue(1<<24-1)) unsignedAccept(t, mysql.TypeInt24, NewBinaryLiteralFromUint(0, -1), "0") unsignedAccept(t, mysql.TypeInt24, NewBinaryLiteralFromUint(1<<24-1, -1), strvalue(1<<24-1)) unsignedDeny(t, mysql.TypeInt24, NewBinaryLiteralFromUint(1<<24, -1), strvalue(1<<24-1)) signedDeny(t, mysql.TypeLong, int64(math.MinInt32)-1, strvalue(int64(math.MinInt32))) signedAccept(t, mysql.TypeLong, int64(math.MinInt32), strvalue(int64(math.MinInt32))) signedAccept(t, mysql.TypeLong, int64(math.MaxInt32), strvalue(int64(math.MaxInt32))) signedDeny(t, mysql.TypeLong, uint64(math.MaxUint64), strvalue(uint64(math.MaxInt32))) signedDeny(t, mysql.TypeLong, int64(math.MaxInt32)+1, strvalue(int64(math.MaxInt32))) signedDeny(t, mysql.TypeLong, "1343545435346432587475", strvalue(int64(math.MaxInt32))) signedAccept(t, mysql.TypeLong, NewBinaryLiteralFromUint(math.MaxInt32, -1), strvalue(int64(math.MaxInt32))) signedDeny(t, mysql.TypeLong, NewBinaryLiteralFromUint(math.MaxUint64, -1), strvalue(int64(math.MaxInt32))) signedDeny(t, mysql.TypeLong, NewBinaryLiteralFromUint(math.MaxInt32+1, -1), strvalue(int64(math.MaxInt32))) unsignedDeny(t, mysql.TypeLong, -1, "4294967295") unsignedAccept(t, mysql.TypeLong, 0, "0") unsignedAccept(t, mysql.TypeLong, uint64(math.MaxUint32), strvalue(uint64(math.MaxUint32))) unsignedDeny(t, mysql.TypeLong, uint64(math.MaxUint32)+1, strvalue(uint64(math.MaxUint32))) unsignedAccept(t, mysql.TypeLong, NewBinaryLiteralFromUint(0, -1), "0") unsignedAccept(t, mysql.TypeLong, NewBinaryLiteralFromUint(math.MaxUint32, -1), strvalue(uint64(math.MaxUint32))) unsignedDeny(t, mysql.TypeLong, NewBinaryLiteralFromUint(math.MaxUint32+1, -1), strvalue(uint64(math.MaxUint32))) signedDeny(t, mysql.TypeLonglong, math.MinInt64*1.1, strvalue(int64(math.MinInt64))) signedAccept(t, mysql.TypeLonglong, int64(math.MinInt64), strvalue(int64(math.MinInt64))) signedAccept(t, mysql.TypeLonglong, int64(math.MaxInt64), strvalue(int64(math.MaxInt64))) signedDeny(t, mysql.TypeLonglong, math.MaxInt64*1.1, strvalue(int64(math.MaxInt64))) signedAccept(t, mysql.TypeLonglong, NewBinaryLiteralFromUint(math.MaxInt64, -1), strvalue(int64(math.MaxInt64))) signedDeny(t, mysql.TypeLonglong, NewBinaryLiteralFromUint(math.MaxInt64+1, -1), strvalue(int64(math.MaxInt64))) unsignedAccept(t, mysql.TypeLonglong, -1, "18446744073709551615") unsignedAccept(t, mysql.TypeLonglong, 0, "0") unsignedAccept(t, mysql.TypeLonglong, uint64(math.MaxUint64), strvalue(uint64(math.MaxUint64))) unsignedDeny(t, mysql.TypeLonglong, math.MaxUint64*1.1, strvalue(uint64(math.MaxUint64))) unsignedAccept(t, mysql.TypeLonglong, NewBinaryLiteralFromUint(0, -1), "0") unsignedAccept(t, mysql.TypeLonglong, NewBinaryLiteralFromUint(math.MaxUint64, -1), strvalue(uint64(math.MaxUint64))) // integer from string signedAccept(t, mysql.TypeLong, " 234 ", "234") signedAccept(t, mysql.TypeLong, " 2.35e3 ", "2350") signedAccept(t, mysql.TypeLong, " 2.e3 ", "2000") signedAccept(t, mysql.TypeLong, " -2.e3 ", "-2000") signedAccept(t, mysql.TypeLong, " 2e2 ", "200") signedAccept(t, mysql.TypeLong, " 0.002e3 ", "2") signedAccept(t, mysql.TypeLong, " .002e3 ", "2") signedAccept(t, mysql.TypeLong, " 20e-2 ", "0") signedAccept(t, mysql.TypeLong, " -20e-2 ", "0") signedAccept(t, mysql.TypeLong, " +2.51 ", "3") signedAccept(t, mysql.TypeLong, " -9999.5 ", "-10000") signedAccept(t, mysql.TypeLong, " 999.4", "999") signedAccept(t, mysql.TypeLong, " -3.58", "-4") signedDeny(t, mysql.TypeLong, " 1a ", "1") signedDeny(t, mysql.TypeLong, " +1+ ", "1") // integer from float signedAccept(t, mysql.TypeLong, 234.5456, "235") signedAccept(t, mysql.TypeLong, -23.45, "-23") unsignedAccept(t, mysql.TypeLonglong, 234.5456, "235") unsignedDeny(t, mysql.TypeLonglong, -23.45, "18446744073709551593") // float from string signedAccept(t, mysql.TypeFloat, "23.523", "23.523") signedAccept(t, mysql.TypeFloat, int64(123), "123") signedAccept(t, mysql.TypeFloat, uint64(123), "123") signedAccept(t, mysql.TypeFloat, 123, "123") signedAccept(t, mysql.TypeFloat, float32(123), "123") signedAccept(t, mysql.TypeFloat, float64(123), "123") signedAccept(t, mysql.TypeDouble, " -23.54", "-23.54") signedDeny(t, mysql.TypeDouble, "-23.54a", "-23.54") signedDeny(t, mysql.TypeDouble, "-23.54e2e", "-2354") signedDeny(t, mysql.TypeDouble, "+.e", "0") signedAccept(t, mysql.TypeDouble, "1e+1", "10") // year signedDeny(t, mysql.TypeYear, 123, "1901") signedDeny(t, mysql.TypeYear, 3000, "2155") signedAccept(t, mysql.TypeYear, "2000", "2000") signedAccept(t, mysql.TypeYear, "abc", "0") signedAccept(t, mysql.TypeYear, "00abc", "2000") signedAccept(t, mysql.TypeYear, "0019", "2019") signedAccept(t, mysql.TypeYear, 2155, "2155") signedAccept(t, mysql.TypeYear, 2155.123, "2155") signedDeny(t, mysql.TypeYear, 2156, "2155") signedDeny(t, mysql.TypeYear, 123.123, "1901") signedDeny(t, mysql.TypeYear, 1900, "1901") signedAccept(t, mysql.TypeYear, 1901, "1901") signedAccept(t, mysql.TypeYear, 1900.567, "1901") signedDeny(t, mysql.TypeYear, 1900.456, "1901") signedAccept(t, mysql.TypeYear, 0, "0") signedAccept(t, mysql.TypeYear, "0", "2000") signedAccept(t, mysql.TypeYear, "00", "2000") signedAccept(t, mysql.TypeYear, " 0", "2000") signedAccept(t, mysql.TypeYear, " 00", "2000") signedAccept(t, mysql.TypeYear, " 000", "0") signedAccept(t, mysql.TypeYear, " 0000 ", "2000") signedAccept(t, mysql.TypeYear, " 0ab", "0") signedAccept(t, mysql.TypeYear, "00bc", "0") signedAccept(t, mysql.TypeYear, "000a", "0") signedAccept(t, mysql.TypeYear, " 000a ", "2000") signedAccept(t, mysql.TypeYear, 1, "2001") signedAccept(t, mysql.TypeYear, "1", "2001") signedAccept(t, mysql.TypeYear, "01", "2001") signedAccept(t, mysql.TypeYear, 69, "2069") signedAccept(t, mysql.TypeYear, "69", "2069") signedAccept(t, mysql.TypeYear, 70, "1970") signedAccept(t, mysql.TypeYear, "70", "1970") signedAccept(t, mysql.TypeYear, 99, "1999") signedAccept(t, mysql.TypeYear, "99", "1999") signedDeny(t, mysql.TypeYear, 100, "1901") signedDeny(t, mysql.TypeYear, "99999999999999999999999999999999999", "0") // time from string signedAccept(t, mysql.TypeDate, "2012-08-23", "2012-08-23") signedAccept(t, mysql.TypeDatetime, "2012-08-23 12:34:03.123456", "2012-08-23 12:34:03") signedAccept(t, mysql.TypeDatetime, ZeroDatetime, "0000-00-00 00:00:00") signedAccept(t, mysql.TypeDatetime, int64(0), "0000-00-00 00:00:00") signedAccept(t, mysql.TypeDatetime, NewDecFromFloatForTest(20010101100000.123456), "2001-01-01 10:00:00") signedAccept(t, mysql.TypeTimestamp, "2012-08-23 12:34:03.123456", "2012-08-23 12:34:03") signedAccept(t, mysql.TypeTimestamp, NewDecFromFloatForTest(20010101100000.123456), "2001-01-01 10:00:00") signedAccept(t, mysql.TypeDuration, "10:11:12", "10:11:12") signedAccept(t, mysql.TypeDuration, ZeroDatetime, "00:00:00") signedAccept(t, mysql.TypeDuration, ZeroDuration, "00:00:00") signedAccept(t, mysql.TypeDuration, 0, "00:00:00") signedDeny(t, mysql.TypeDate, "2012-08-x", "0000-00-00") signedDeny(t, mysql.TypeDatetime, "2012-08-x", "0000-00-00 00:00:00") signedDeny(t, mysql.TypeTimestamp, "2012-08-x", "0000-00-00 00:00:00") signedDeny(t, mysql.TypeDuration, "2012-08-x", "00:00:00") // string from string signedAccept(t, mysql.TypeString, "abc", "abc") // string from integer signedAccept(t, mysql.TypeString, 5678, "5678") signedAccept(t, mysql.TypeString, ZeroDuration, "00:00:00") signedAccept(t, mysql.TypeString, ZeroDatetime, "0000-00-00 00:00:00") signedAccept(t, mysql.TypeString, []byte("123"), "123") // TODO add more tests signedAccept(t, mysql.TypeNewDecimal, 123, "123") signedAccept(t, mysql.TypeNewDecimal, int64(123), "123") signedAccept(t, mysql.TypeNewDecimal, uint64(123), "123") signedAccept(t, mysql.TypeNewDecimal, float32(123), "123") signedAccept(t, mysql.TypeNewDecimal, 123.456, "123.456") signedAccept(t, mysql.TypeNewDecimal, "-123.456", "-123.456") signedAccept(t, mysql.TypeNewDecimal, NewDecFromInt(12300000), "12300000") dec := NewDecFromInt(-123) err := dec.Shift(-5) require.NoError(t, err) err = dec.Round(dec, 5, ModeHalfEven) require.NoError(t, err) signedAccept(t, mysql.TypeNewDecimal, dec, "-0.00123") } func TestRoundIntStr(t *testing.T) { cases := []struct { a string b byte c string }{ {"+999", '5', "+1000"}, {"999", '5', "1000"}, {"-999", '5', "-1000"}, } for _, cc := range cases { require.Equal(t, cc.c, roundIntStr(cc.b, cc.a)) } } func TestGetValidInt(t *testing.T) { tests := []struct { origin string valid string signed bool warning bool }{ {"100", "100", true, false}, {"-100", "-100", true, false}, {"9223372036854775808", "9223372036854775808", false, false}, {"1abc", "1", true, true}, {"-1-1", "-1", true, true}, {"+1+1", "+1", true, true}, {"123..34", "123", true, true}, {"123.23E-10", "0", true, false}, {"1.1e1.3", "11", true, true}, {"11e1.3", "110", true, true}, {"1.", "1", true, false}, {".1", "0", true, false}, {"", "0", true, true}, {"123e+", "123", true, true}, {"123de", "123", true, true}, } sc := new(stmtctx.StatementContext) sc.TruncateAsWarning = true sc.InSelectStmt = true warningCount := 0 for i, tt := range tests { prefix, err := getValidIntPrefix(sc, tt.origin, false) require.NoError(t, err) require.Equal(t, tt.valid, prefix) if tt.signed { _, err = strconv.ParseInt(prefix, 10, 64) } else { _, err = strconv.ParseUint(prefix, 10, 64) } require.NoError(t, err) warnings := sc.GetWarnings() if tt.warning { require.Lenf(t, warnings, warningCount+1, "%d", i) require.True(t, terror.ErrorEqual(warnings[len(warnings)-1].Err, ErrTruncatedWrongVal)) warningCount += 1 } else { require.Len(t, warnings, warningCount) } } tests2 := []struct { origin string valid string warning bool }{ {"100", "100", false}, {"-100", "-100", false}, {"1abc", "1", true}, {"-1-1", "-1", true}, {"+1+1", "+1", true}, {"123..34", "123.", true}, {"123.23E-10", "0", false}, {"1.1e1.3", "1.1e1", true}, {"11e1.3", "11e1", true}, {"1.", "1", false}, {".1", "0", false}, {"", "0", true}, {"123e+", "123", true}, {"123de", "123", true}, } sc.TruncateAsWarning = false sc.InSelectStmt = false for _, tt := range tests2 { prefix, err := getValidIntPrefix(sc, tt.origin, false) if tt.warning { require.True(t, terror.ErrorEqual(err, ErrTruncatedWrongVal)) } else { require.NoError(t, err) } require.Equal(t, tt.valid, prefix) } } func TestGetValidFloat(t *testing.T) { tests := []struct { origin string valid string }{ {"-100", "-100"}, {"1abc", "1"}, {"-1-1", "-1"}, {"+1+1", "+1"}, {"123..34", "123."}, {"123.23E-10", "123.23E-10"}, {"1.1e1.3", "1.1e1"}, {"11e1.3", "11e1"}, {"1.1e-13a", "1.1e-13"}, {"1.", "1."}, {".1", ".1"}, {"", "0"}, {"123e+", "123"}, {"123.e", "123."}, {"0-123", "0"}, {"9-3", "9"}, {"1001001\\u0000\\u0000\\u0000", "1001001"}, } sc := new(stmtctx.StatementContext) for _, tt := range tests { prefix, _ := getValidFloatPrefix(sc, tt.origin, false) require.Equal(t, tt.valid, prefix) _, err := strconv.ParseFloat(prefix, 64) require.NoError(t, err) } tests2 := []struct { origin string expected string }{ {"1e9223372036854775807", "1"}, {"125e342", "125"}, {"1e21", "1"}, {"1e5", "100000"}, {"-123.45678e5", "-12345678"}, {"+0.5", "1"}, {"-0.5", "-1"}, {".5e0", "1"}, {"+.5e0", "+1"}, {"-.5e0", "-1"}, {".5", "1"}, {"123.456789e5", "12345679"}, {"123.456784e5", "12345678"}, {"+999.9999e2", "+100000"}, } for _, tt := range tests2 { str, err := floatStrToIntStr(sc, tt.origin, tt.origin) require.NoError(t, err) require.Equalf(t, tt.expected, str, "%v, %v", tt.origin, tt.expected) } } // TestConvertTime tests time related conversion. // time conversion is complicated including Date/Datetime/Time/Timestamp etc, // Timestamp may involving timezone. func TestConvertTime(t *testing.T) { timezones := []*time.Location{ time.UTC, time.FixedZone("", 3*3600), time.Local, } for _, timezone := range timezones { sc := &stmtctx.StatementContext{ TimeZone: timezone, } testConvertTimeTimeZone(t, sc) } } func testConvertTimeTimeZone(t *testing.T, sc *stmtctx.StatementContext) { raw := FromDate(2002, 3, 4, 4, 6, 7, 8) tests := []struct { input Time target *FieldType expect Time }{ { input: NewTime(raw, mysql.TypeDatetime, DefaultFsp), target: NewFieldType(mysql.TypeTimestamp), expect: NewTime(raw, mysql.TypeTimestamp, DefaultFsp), }, { input: NewTime(raw, mysql.TypeDatetime, DefaultFsp), target: NewFieldType(mysql.TypeTimestamp), expect: NewTime(raw, mysql.TypeTimestamp, DefaultFsp), }, { input: NewTime(raw, mysql.TypeDatetime, DefaultFsp), target: NewFieldType(mysql.TypeTimestamp), expect: NewTime(raw, mysql.TypeTimestamp, DefaultFsp), }, { input: NewTime(raw, mysql.TypeTimestamp, DefaultFsp), target: NewFieldType(mysql.TypeDatetime), expect: NewTime(raw, mysql.TypeDatetime, DefaultFsp), }, } for _, test := range tests { var d Datum d.SetMysqlTime(test.input) nd, err := d.ConvertTo(sc, test.target) require.NoError(t, err) v := nd.GetMysqlTime() require.Equal(t, test.expect.Type(), v.Type()) require.Equal(t, test.expect.CoreTime(), v.CoreTime()) } } func TestConvertJSONToInt(t *testing.T) { var tests = []struct { in string out int64 err bool }{ {in: `{}`, err: true}, {in: `[]`, err: true}, {in: `3`, out: 3}, {in: `-3`, out: -3}, {in: `4.5`, out: 4}, {in: `true`, out: 1}, {in: `false`, out: 0}, {in: `null`, err: true}, {in: `"hello"`, err: true}, {in: `"123hello"`, out: 123, err: true}, {in: `"1234"`, out: 1234}, } for _, tt := range tests { j, err := json.ParseBinaryFromString(tt.in) require.NoError(t, err) casted, err := ConvertJSONToInt64(new(stmtctx.StatementContext), j, false) if tt.err { require.Error(t, err, tt) } else { require.NoError(t, err, tt) } require.Equal(t, tt.out, casted) } } func TestConvertJSONToFloat(t *testing.T) { var tests = []struct { in interface{} out float64 ty json.TypeCode err bool }{ {in: make(map[string]interface{}), ty: json.TypeCodeObject, err: true}, {in: make([]interface{}, 0), ty: json.TypeCodeArray, err: true}, {in: int64(3), out: 3, ty: json.TypeCodeInt64}, {in: int64(-3), out: -3, ty: json.TypeCodeInt64}, {in: uint64(1 << 63), out: 1 << 63, ty: json.TypeCodeUint64}, {in: float64(4.5), out: 4.5, ty: json.TypeCodeFloat64}, {in: true, out: 1, ty: json.TypeCodeLiteral}, {in: false, out: 0, ty: json.TypeCodeLiteral}, {in: nil, ty: json.TypeCodeLiteral, err: true}, {in: "hello", ty: json.TypeCodeString, err: true}, {in: "123.456hello", out: 123.456, ty: json.TypeCodeString, err: true}, {in: "1234", out: 1234, ty: json.TypeCodeString}, } for _, tt := range tests { j := json.CreateBinary(tt.in) require.Equal(t, tt.ty, j.TypeCode) casted, err := ConvertJSONToFloat(new(stmtctx.StatementContext), j) if tt.err { require.Error(t, err, tt) } else { require.NoError(t, err, tt) } require.Equal(t, tt.out, casted) } } func TestConvertJSONToDecimal(t *testing.T) { var tests = []struct { in string out *MyDecimal err bool }{ {in: `3`, out: NewDecFromStringForTest("3")}, {in: `-3`, out: NewDecFromStringForTest("-3")}, {in: `4.5`, out: NewDecFromStringForTest("4.5")}, {in: `"1234"`, out: NewDecFromStringForTest("1234")}, {in: `"1234567890123456789012345678901234567890123456789012345"`, out: NewDecFromStringForTest("1234567890123456789012345678901234567890123456789012345")}, {in: `true`, out: NewDecFromStringForTest("1")}, {in: `false`, out: NewDecFromStringForTest("0")}, {in: `null`, out: NewDecFromStringForTest("0"), err: true}, } for _, tt := range tests { j, err := json.ParseBinaryFromString(tt.in) require.NoError(t, err) casted, err := ConvertJSONToDecimal(new(stmtctx.StatementContext), j) errMsg := fmt.Sprintf("input: %v, casted: %v, out: %v, json: %#v", tt.in, casted, tt.out, j) if tt.err { require.Error(t, err, errMsg) } else { require.NoError(t, err, errMsg) } require.Equalf(t, 0, casted.Compare(tt.out), "input: %v, casted: %v, out: %v, json: %#v", tt.in, casted, tt.out, j) } } func TestNumberToDuration(t *testing.T) { var testCases = []struct { number int64 fsp int hasErr bool year int month int day int hour int minute int second int }{ {20171222, 0, true, 0, 0, 0, 0, 0, 0}, {171222, 0, false, 0, 0, 0, 17, 12, 22}, {20171222020005, 0, false, 2017, 12, 22, 02, 00, 05}, {10000000000, 0, true, 0, 0, 0, 0, 0, 0}, {171222, 1, false, 0, 0, 0, 17, 12, 22}, {176022, 1, true, 0, 0, 0, 0, 0, 0}, {8391222, 1, true, 0, 0, 0, 0, 0, 0}, {8381222, 0, false, 0, 0, 0, 838, 12, 22}, {1001222, 0, false, 0, 0, 0, 100, 12, 22}, {171260, 1, true, 0, 0, 0, 0, 0, 0}, } for _, tc := range testCases { dur, err := NumberToDuration(tc.number, tc.fsp) if tc.hasErr { require.Error(t, err) continue } require.NoError(t, err) require.Equal(t, tc.hour, dur.Hour()) require.Equal(t, tc.minute, dur.Minute()) require.Equal(t, tc.second, dur.Second()) } var testCases1 = []struct { number int64 dur time.Duration }{ {171222, 17*time.Hour + 12*time.Minute + 22*time.Second}, {-171222, -(17*time.Hour + 12*time.Minute + 22*time.Second)}, } for _, tc := range testCases1 { dur, err := NumberToDuration(tc.number, 0) require.NoError(t, err) require.Equal(t, tc.dur, dur.Duration) } } func TestStrToDuration(t *testing.T) { sc := new(stmtctx.StatementContext) var tests = []struct { str string fsp int isDuration bool }{ {"20190412120000", 4, false}, {"20190101180000", 6, false}, {"20190101180000", 1, false}, {"20190101181234", 3, false}, } for _, tt := range tests { _, _, isDuration, err := StrToDuration(sc, tt.str, tt.fsp) require.NoError(t, err) require.Equal(t, tt.isDuration, isDuration) } } func TestConvertScientificNotation(t *testing.T) { cases := []struct { input string output string succ bool }{ {"123.456e0", "123.456", true}, {"123.456e1", "1234.56", true}, {"123.456e3", "123456", true}, {"123.456e4", "1234560", true}, {"123.456e5", "12345600", true}, {"123.456e6", "123456000", true}, {"123.456e7", "1234560000", true}, {"123.456e-1", "12.3456", true}, {"123.456e-2", "1.23456", true}, {"123.456e-3", "0.123456", true}, {"123.456e-4", "0.0123456", true}, {"123.456e-5", "0.00123456", true}, {"123.456e-6", "0.000123456", true}, {"123.456e-7", "0.0000123456", true}, {"123.456e-", "", false}, {"123.456e-7.5", "", false}, {"123.456e", "", false}, } for _, ca := range cases { result, err := convertScientificNotation(ca.input) if !ca.succ { require.Error(t, err) } else { require.NoError(t, err) require.Equal(t, ca.output, result) } } } func TestConvertDecimalStrToUint(t *testing.T) { cases := []struct { input string result uint64 succ bool }{ {"0.", 0, true}, {"72.40", 72, true}, {"072.40", 72, true}, {"123.456e2", 12346, true}, {"123.456e-2", 1, true}, {"072.50000000001", 73, true}, {".5757", 1, true}, {".12345E+4", 1235, true}, {"9223372036854775807.5", 9223372036854775808, true}, {"9223372036854775807.4999", 9223372036854775807, true}, {"18446744073709551614.55", 18446744073709551615, true}, {"18446744073709551615.344", 18446744073709551615, true}, {"18446744073709551615.544", 0, false}, {"-111.111", 0, false}, } for _, ca := range cases { result, err := convertDecimalStrToUint(&stmtctx.StatementContext{}, ca.input, math.MaxUint64, 0) if !ca.succ { require.Error(t, err) } else { require.NoError(t, err) require.Equal(t, ca.result, result) } } }