3 * Copyright 2017 gRPC authors.
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
28 func TestLoggerV2Severity(t *testing.T) {
29 buffers := []*bytes.Buffer{new(bytes.Buffer), new(bytes.Buffer), new(bytes.Buffer)}
30 SetLoggerV2(NewLoggerV2(buffers[infoLog], buffers[warningLog], buffers[errorLog]))
32 Info(severityName[infoLog])
33 Warning(severityName[warningLog])
34 Error(severityName[errorLog])
36 for i := 0; i < fatalLog; i++ {
38 // The content of info buffer should be something like:
39 // INFO: 2017/04/07 14:55:42 INFO
40 // WARNING: 2017/04/07 14:55:42 WARNING
41 // ERROR: 2017/04/07 14:55:42 ERROR
42 for j := i; j < fatalLog; j++ {
43 b, err := buf.ReadBytes('\n')
47 if err := checkLogForSeverity(j, b); err != nil {
54 // check if b is in the format of:
55 // WARNING: 2017/04/07 14:55:42 WARNING
56 func checkLogForSeverity(s int, b []byte) error {
57 expected := regexp.MustCompile(fmt.Sprintf(`^%s: [0-9]{4}/[0-9]{2}/[0-9]{2} [0-9]{2}:[0-9]{2}:[0-9]{2} %s\n$`, severityName[s], severityName[s]))
58 if m := expected.Match(b); !m {
59 return fmt.Errorf("got: %v, want string in format of: %v", string(b), severityName[s]+": 2016/10/05 17:09:26 "+severityName[s])