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/*
*
* Copyright 2017 gRPC authors.
*
* 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 grpclog
import (
"bytes"
"fmt"
"regexp"
"testing"
)
func TestLoggerV2Severity(t *testing.T) {
buffers := []*bytes.Buffer{new(bytes.Buffer), new(bytes.Buffer), new(bytes.Buffer)}
SetLoggerV2(NewLoggerV2(buffers[infoLog], buffers[warningLog], buffers[errorLog]))
Info(severityName[infoLog])
Warning(severityName[warningLog])
Error(severityName[errorLog])
for i := 0; i < fatalLog; i++ {
buf := buffers[i]
// The content of info buffer should be something like:
// INFO: 2017/04/07 14:55:42 INFO
// WARNING: 2017/04/07 14:55:42 WARNING
// ERROR: 2017/04/07 14:55:42 ERROR
for j := i; j < fatalLog; j++ {
b, err := buf.ReadBytes('\n')
if err != nil {
t.Fatal(err)
}
if err := checkLogForSeverity(j, b); err != nil {
t.Fatal(err)
}
}
}
}
// check if b is in the format of:
// WARNING: 2017/04/07 14:55:42 WARNING
func checkLogForSeverity(s int, b []byte) error {
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]))
if m := expected.Match(b); !m {
return fmt.Errorf("got: %v, want string in format of: %v", string(b), severityName[s]+": 2016/10/05 17:09:26 "+severityName[s])
}
return nil
}
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