minio/internal/s3select/sql/stringfuncs_contrib_test.go

44 lines
1.2 KiB
Go

/*
* MinIO Object Storage (c) 2021 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 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)
}
}
}