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expression: fix 2 unstable test cases
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,102 @@ | ||
| // Copyright 2021 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 expression | ||
|
|
||
| import ( | ||
| "testing" | ||
| "unicode/utf8" | ||
|
|
||
| "github.com/pingcap/tidb/parser/ast" | ||
| "github.com/pingcap/tidb/types" | ||
| "github.com/pingcap/tidb/util/chunk" | ||
| "github.com/pingcap/tidb/util/collate" | ||
| "github.com/stretchr/testify/require" | ||
| ) | ||
|
|
||
| func TestCIWeightString(t *testing.T) { | ||
| ctx := createContext(t) | ||
| collate.SetNewCollationEnabledForTest(true) | ||
| defer collate.SetNewCollationEnabledForTest(false) | ||
|
|
||
| type weightStringTest struct { | ||
| str string | ||
| padding string | ||
| length int | ||
| expect interface{} | ||
| } | ||
|
|
||
| checkResult := func(collation string, tests []weightStringTest) { | ||
| fc := funcs[ast.WeightString] | ||
| for _, test := range tests { | ||
| str := types.NewCollationStringDatum(test.str, collation, utf8.RuneCountInString(test.str)) | ||
| var f builtinFunc | ||
| var err error | ||
| if test.padding == "NONE" { | ||
| f, err = fc.getFunction(ctx, datumsToConstants([]types.Datum{str})) | ||
| } else { | ||
| padding := types.NewDatum(test.padding) | ||
| length := types.NewDatum(test.length) | ||
| f, err = fc.getFunction(ctx, datumsToConstants([]types.Datum{str, padding, length})) | ||
| } | ||
| require.NoError(t, err) | ||
| result, err := evalBuiltinFunc(f, chunk.Row{}) | ||
| require.NoError(t, err) | ||
| if result.IsNull() { | ||
| require.Nil(t, test.expect) | ||
| continue | ||
| } | ||
| res, err := result.ToString() | ||
| require.NoError(t, err) | ||
| require.Equal(t, test.expect, res) | ||
| } | ||
| } | ||
|
|
||
| generalTests := []weightStringTest{ | ||
| {"aAÁàãăâ", "NONE", 0, "\x00A\x00A\x00A\x00A\x00A\x00A\x00A"}, | ||
| {"中", "NONE", 0, "\x4E\x2D"}, | ||
| {"a", "CHAR", 5, "\x00A"}, | ||
| {"a ", "CHAR", 5, "\x00A"}, | ||
| {"中", "CHAR", 5, "\x4E\x2D"}, | ||
| {"中 ", "CHAR", 5, "\x4E\x2D"}, | ||
| {"a", "BINARY", 1, "a"}, | ||
| {"ab", "BINARY", 1, "a"}, | ||
| {"a", "BINARY", 5, "a\x00\x00\x00\x00"}, | ||
| {"a ", "BINARY", 5, "a \x00\x00\x00"}, | ||
| {"中", "BINARY", 1, "\xe4"}, | ||
| {"中", "BINARY", 2, "\xe4\xb8"}, | ||
| {"中", "BINARY", 3, "中"}, | ||
| {"中", "BINARY", 5, "中\x00\x00"}, | ||
| } | ||
|
|
||
| unicodeTests := []weightStringTest{ | ||
| {"aAÁàãăâ", "NONE", 0, "\x0e3\x0e3\x0e3\x0e3\x0e3\x0e3\x0e3"}, | ||
| {"中", "NONE", 0, "\xfb\x40\xce\x2d"}, | ||
| {"a", "CHAR", 5, "\x0e3"}, | ||
| {"a ", "CHAR", 5, "\x0e3"}, | ||
| {"中", "CHAR", 5, "\xfb\x40\xce\x2d"}, | ||
| {"中 ", "CHAR", 5, "\xfb\x40\xce\x2d"}, | ||
| {"a", "BINARY", 1, "a"}, | ||
| {"ab", "BINARY", 1, "a"}, | ||
| {"a", "BINARY", 5, "a\x00\x00\x00\x00"}, | ||
| {"a ", "BINARY", 5, "a \x00\x00\x00"}, | ||
| {"中", "BINARY", 1, "\xe4"}, | ||
| {"中", "BINARY", 2, "\xe4\xb8"}, | ||
| {"中", "BINARY", 3, "中"}, | ||
| {"中", "BINARY", 5, "中\x00\x00"}, | ||
| } | ||
|
|
||
| checkResult("utf8mb4_general_ci", generalTests) | ||
| checkResult("utf8mb4_unicode_ci", unicodeTests) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,76 @@ | ||
| // Copyright 2022 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 expression | ||
|
|
||
| import ( | ||
| "testing" | ||
|
|
||
| "github.com/pingcap/tidb/parser/mysql" | ||
| "github.com/pingcap/tidb/types" | ||
| "github.com/pingcap/tidb/util/chunk" | ||
| "github.com/pingcap/tidb/util/collate" | ||
| "github.com/pingcap/tidb/util/mock" | ||
| "github.com/stretchr/testify/require" | ||
| ) | ||
|
|
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| func TestCompareString(t *testing.T) { | ||
| collate.SetNewCollationEnabledForTest(true) | ||
| defer collate.SetNewCollationEnabledForTest(false) | ||
|
|
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| require.Equal(t, 0, types.CompareString("a", "A", "utf8_general_ci")) | ||
| require.Equal(t, 0, types.CompareString("À", "A", "utf8_general_ci")) | ||
| require.Equal(t, 0, types.CompareString("😜", "😃", "utf8_general_ci")) | ||
| require.Equal(t, 0, types.CompareString("a ", "a ", "utf8_general_ci")) | ||
| require.Equal(t, 0, types.CompareString("ß", "s", "utf8_general_ci")) | ||
| require.NotEqual(t, 0, types.CompareString("ß", "ss", "utf8_general_ci")) | ||
|
|
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| require.Equal(t, 0, types.CompareString("a", "A", "utf8_unicode_ci")) | ||
| require.Equal(t, 0, types.CompareString("À", "A", "utf8_unicode_ci")) | ||
| require.Equal(t, 0, types.CompareString("😜", "😃", "utf8_unicode_ci")) | ||
| require.Equal(t, 0, types.CompareString("a ", "a ", "utf8_unicode_ci")) | ||
| require.NotEqual(t, 0, types.CompareString("ß", "s", "utf8_unicode_ci")) | ||
| require.Equal(t, 0, types.CompareString("ß", "ss", "utf8_unicode_ci")) | ||
|
|
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| require.NotEqual(t, 0, types.CompareString("a", "A", "binary")) | ||
| require.NotEqual(t, 0, types.CompareString("À", "A", "binary")) | ||
| require.NotEqual(t, 0, types.CompareString("😜", "😃", "binary")) | ||
| require.NotEqual(t, 0, types.CompareString("a ", "a ", "binary")) | ||
|
|
||
| ctx := mock.NewContext() | ||
| ft := types.NewFieldType(mysql.TypeVarString) | ||
| col1 := &Column{ | ||
| RetType: ft, | ||
| Index: 0, | ||
| } | ||
| col2 := &Column{ | ||
| RetType: ft, | ||
| Index: 1, | ||
| } | ||
| chk := chunk.NewChunkWithCapacity([]*types.FieldType{ft, ft}, 4) | ||
| chk.Column(0).AppendString("a") | ||
| chk.Column(1).AppendString("A") | ||
| chk.Column(0).AppendString("À") | ||
| chk.Column(1).AppendString("A") | ||
| chk.Column(0).AppendString("😜") | ||
| chk.Column(1).AppendString("😃") | ||
| chk.Column(0).AppendString("a ") | ||
| chk.Column(1).AppendString("a ") | ||
| for i := 0; i < 4; i++ { | ||
| v, isNull, err := CompareStringWithCollationInfo(ctx, col1, col2, chk.GetRow(0), chk.GetRow(0), "utf8_general_ci") | ||
| require.NoError(t, err) | ||
| require.False(t, isNull) | ||
| require.Equal(t, int64(0), v) | ||
| } | ||
| } |
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