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// Copyright 2015 Google Inc. All rights reserved.
//
// 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 log
import (
"bytes"
"os"
"strings"
"testing"
stdlog "log"
)
func TestLog(t *testing.T) {
buf := new(bytes.Buffer)
stdlog.SetOutput(buf)
defer stdlog.SetOutput(os.Stdout)
// Reset log level after tests.
defer func(l int) { level = l }(level)
level = Debug
Infof("log: %s test", "info")
if got, want := buf.String(), "INFO: log: info test\n"; !strings.HasSuffix(got, want) {
t.Errorf("Infof(): got %q, want to contain %q", got, want)
}
Debugf("log: %s test", "debug")
if got, want := buf.String(), "DEBUG: log: debug test\n"; !strings.HasSuffix(got, want) {
t.Errorf("Debugf(): got %q, want to contain %q", got, want)
}
Errorf("log: %s test", "error")
if got, want := buf.String(), "ERROR: log: error test\n"; !strings.HasSuffix(got, want) {
t.Errorf("Errorf(): got %q, want to contain %q", got, want)
}
}
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