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// Copyright 2013, Örjan Persson. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package logging
import (
"bytes"
"io/ioutil"
"log"
"strings"
"testing"
)
func TestLogCalldepth(t *testing.T) {
buf := &bytes.Buffer{}
SetBackend(NewLogBackend(buf, "", log.Lshortfile))
SetFormatter(MustStringFormatter("%{shortfile} %{level} %{message}"))
log := MustGetLogger("test")
log.Info("test filename")
parts := strings.SplitN(buf.String(), " ", 2)
// Verify that the correct filename is registered by the stdlib logger
if !strings.HasPrefix(parts[0], "log_test.go:") {
t.Errorf("incorrect filename: %s", parts[0])
}
// Verify that the correct filename is registered by go-logging
if !strings.HasPrefix(parts[1], "log_test.go:") {
t.Errorf("incorrect filename: %s", parts[1])
}
}
func c(log *Logger) { log.Info("test callpath") }
func b(log *Logger) { c(log) }
func a(log *Logger) { b(log) }
func rec(log *Logger, r int) {
if r == 0 {
a(log)
return
}
rec(log, r-1)
}
func testCallpath(t *testing.T, format string, expect string) {
buf := &bytes.Buffer{}
SetBackend(NewLogBackend(buf, "", log.Lshortfile))
SetFormatter(MustStringFormatter(format))
logger := MustGetLogger("test")
rec(logger, 6)
parts := strings.SplitN(buf.String(), " ", 3)
// Verify that the correct filename is registered by the stdlib logger
if !strings.HasPrefix(parts[0], "log_test.go:") {
t.Errorf("incorrect filename: %s", parts[0])
}
// Verify that the correct callpath is registered by go-logging
if !strings.HasPrefix(parts[1], expect) {
t.Errorf("incorrect callpath: %s", parts[1])
}
// Verify that the correct message is registered by go-logging
if !strings.HasPrefix(parts[2], "test callpath") {
t.Errorf("incorrect message: %s", parts[2])
}
}
func TestLogCallpath(t *testing.T) {
testCallpath(t, "%{callpath} %{message}", "TestLogCallpath.testCallpath.rec...rec.a.b.c")
testCallpath(t, "%{callpath:-1} %{message}", "TestLogCallpath.testCallpath.rec...rec.a.b.c")
testCallpath(t, "%{callpath:0} %{message}", "TestLogCallpath.testCallpath.rec...rec.a.b.c")
testCallpath(t, "%{callpath:1} %{message}", "~.c")
testCallpath(t, "%{callpath:2} %{message}", "~.b.c")
testCallpath(t, "%{callpath:3} %{message}", "~.a.b.c")
}
func BenchmarkLogMemoryBackendIgnored(b *testing.B) {
backend := SetBackend(NewMemoryBackend(1024))
backend.SetLevel(INFO, "")
RunLogBenchmark(b)
}
func BenchmarkLogMemoryBackend(b *testing.B) {
backend := SetBackend(NewMemoryBackend(1024))
backend.SetLevel(DEBUG, "")
RunLogBenchmark(b)
}
func BenchmarkLogChannelMemoryBackend(b *testing.B) {
channelBackend := NewChannelMemoryBackend(1024)
backend := SetBackend(channelBackend)
backend.SetLevel(DEBUG, "")
RunLogBenchmark(b)
channelBackend.Flush()
}
func BenchmarkLogLeveled(b *testing.B) {
backend := SetBackend(NewLogBackend(ioutil.Discard, "", 0))
backend.SetLevel(INFO, "")
RunLogBenchmark(b)
}
func BenchmarkLogLogBackend(b *testing.B) {
backend := SetBackend(NewLogBackend(ioutil.Discard, "", 0))
backend.SetLevel(DEBUG, "")
RunLogBenchmark(b)
}
func BenchmarkLogLogBackendColor(b *testing.B) {
colorizer := NewLogBackend(ioutil.Discard, "", 0)
colorizer.Color = true
backend := SetBackend(colorizer)
backend.SetLevel(DEBUG, "")
RunLogBenchmark(b)
}
func BenchmarkLogLogBackendStdFlags(b *testing.B) {
backend := SetBackend(NewLogBackend(ioutil.Discard, "", log.LstdFlags))
backend.SetLevel(DEBUG, "")
RunLogBenchmark(b)
}
func BenchmarkLogLogBackendLongFileFlag(b *testing.B) {
backend := SetBackend(NewLogBackend(ioutil.Discard, "", log.Llongfile))
backend.SetLevel(DEBUG, "")
RunLogBenchmark(b)
}
func RunLogBenchmark(b *testing.B) {
password := Password("foo")
log := MustGetLogger("test")
b.ResetTimer()
for i := 0; i < b.N; i++ {
log.Debug("log line for %d and this is rectified: %s", i, password)
}
}
func BenchmarkLogFixed(b *testing.B) {
backend := SetBackend(NewLogBackend(ioutil.Discard, "", 0))
backend.SetLevel(DEBUG, "")
RunLogBenchmarkFixedString(b)
}
func BenchmarkLogFixedIgnored(b *testing.B) {
backend := SetBackend(NewLogBackend(ioutil.Discard, "", 0))
backend.SetLevel(INFO, "")
RunLogBenchmarkFixedString(b)
}
func RunLogBenchmarkFixedString(b *testing.B) {
log := MustGetLogger("test")
b.ResetTimer()
for i := 0; i < b.N; i++ {
log.Debug("some random fixed text")
}
}
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