minio/pkg/s3select/sql/stringfuncs_test.go

132 lines
3.5 KiB
Go

/*
* MinIO Cloud Storage, (C) 2019 MinIO, 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 sql
import (
"testing"
)
func TestEvalSQLLike(t *testing.T) {
dropCases := []struct {
input, resultExpected string
matchExpected bool
}{
{"", "", false},
{"a", "", true},
{"ab", "b", true},
{"தமிழ்", "மிழ்", true},
}
for i, tc := range dropCases {
res, ok := dropRune(tc.input)
if res != tc.resultExpected || ok != tc.matchExpected {
t.Errorf("DropRune Case %d failed", i)
}
}
matcherCases := []struct {
iText, iPat string
iHasLeadingPercent bool
resultExpected string
matchExpected bool
}{
{"abcd", "bcd", false, "", false},
{"abcd", "bcd", true, "", true},
{"abcd", "abcd", false, "", true},
{"abcd", "abcd", true, "", true},
{"abcd", "ab", false, "cd", true},
{"abcd", "ab", true, "cd", true},
{"abcd", "bc", false, "", false},
{"abcd", "bc", true, "d", true},
}
for i, tc := range matcherCases {
res, ok := matcher(tc.iText, tc.iPat, tc.iHasLeadingPercent)
if res != tc.resultExpected || ok != tc.matchExpected {
t.Errorf("Matcher Case %d failed", i)
}
}
evalCases := []struct {
iText, iPat string
iEsc rune
matchExpected bool
errExpected error
}{
{"abcd", "abc", runeZero, false, nil},
{"abcd", "abcd", runeZero, true, nil},
{"abcd", "abc_", runeZero, true, nil},
{"abcd", "_bdd", runeZero, false, nil},
{"abcd", "_b_d", runeZero, true, nil},
{"abcd", "____", runeZero, true, nil},
{"abcd", "____%", runeZero, true, nil},
{"abcd", "%____", runeZero, true, nil},
{"abcd", "%__", runeZero, true, nil},
{"abcd", "____", runeZero, true, nil},
{"", "_", runeZero, false, nil},
{"", "%", runeZero, true, nil},
{"abcd", "%%%%%", runeZero, true, nil},
{"abcd", "_____", runeZero, false, nil},
{"abcd", "%%%%%", runeZero, true, nil},
{"a%%d", `a\%\%d`, '\\', true, nil},
{"a%%d", `a\%d`, '\\', false, nil},
{`a%%\d`, `a\%\%\\d`, '\\', true, nil},
{`a%%\`, `a\%\%\\`, '\\', true, nil},
{`a%__%\`, `a\%\_\_\%\\`, '\\', true, nil},
{`a%__%\`, `a\%\_\_\%_`, '\\', true, nil},
{`a%__%\`, `a\%\_\__`, '\\', false, nil},
{`a%__%\`, `a\%\_\_%`, '\\', true, nil},
{`a%__%\`, `a?%?_?_?%\`, '?', true, nil},
}
for i, tc := range evalCases {
// fmt.Println("Case:", i)
res, err := evalSQLLike(tc.iText, tc.iPat, tc.iEsc)
if res != tc.matchExpected || err != tc.errExpected {
t.Errorf("Eval Case %d failed: %v %v", i, res, err)
}
}
}
func TestEvalSQLSubstring(t *testing.T) {
evalCases := []struct {
s string
startIdx int
length int
resExpected string
errExpected error
}{
{"abcd", 1, 1, "a", nil},
{"abcd", -1, 1, "a", nil},
{"abcd", 999, 999, "", nil},
{"", 999, 999, "", nil},
{"测试abc", 1, 1, "测", nil},
{"测试abc", 5, 5, "c", nil},
}
for i, tc := range evalCases {
res, err := evalSQLSubstring(tc.s, tc.startIdx, tc.length)
if res != tc.resExpected || err != tc.errExpected {
t.Errorf("Eval Case %d failed: %v %v", i, res, err)
}
}
}