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logo_test.go
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logo_test.go
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/*
* Copyright 2015 Xuyuan Pang
* Author: Xuyuan Pang
*
* 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 logo
import (
"bytes"
"fmt"
"io/ioutil"
"log"
"path/filepath"
"runtime"
"strings"
"testing"
"time"
)
func TestOutput(t *testing.T) {
teststr := "test"
var buf bytes.Buffer
l := New(LevelDebug, &buf, "", 0)
l.Output(1, LevelDebug, teststr)
assertEqual(t, buf.String(), teststr+"\n")
}
func TestAPI(t *testing.T) {
var buf bytes.Buffer
l := New(LevelDebug, &buf, "", 0)
logMethods := [...]func(string, ...interface{}){
l.Debug,
l.Info,
l.Warning,
l.Error,
l.Critical,
}
teststr := "test"
for _, m := range logMethods {
buf.Reset()
m(teststr)
assertEqual(t, buf.String(), teststr+"\n")
}
}
func TestGroup(t *testing.T) {
var buf1, buf2 bytes.Buffer
l1 := New(LevelDebug, &buf1, "", 0)
l2 := New(LevelError, &buf2, "", 0)
l := Group(LevelInfo, l1, l2)
teststr := "test"
l.Log(LevelDebug, teststr)
assertEqual(t, buf1.String(), "")
assertEqual(t, buf2.String(), "")
buf1.Reset()
buf2.Reset()
l.Log(LevelInfo, teststr)
assertEqual(t, buf1.String(), teststr+"\n")
assertEqual(t, buf2.String(), "")
buf1.Reset()
buf2.Reset()
l.Log(LevelError, teststr)
assertEqual(t, buf1.String(), teststr+"\n")
assertEqual(t, buf2.String(), teststr+"\n")
}
func TestLevel(t *testing.T) {
levels := [...]LogLevel{LevelDebug, LevelInfo, LevelWarning, LevelError, LevelCritical}
teststr := "test"
for _, level := range levels {
var buf bytes.Buffer
l := New(level, &buf, "", 0)
for _, lvl := range levels {
buf.Reset()
l.Log(lvl, teststr)
if lvl < level {
assertEqual(t, buf.String(), "")
} else {
assertEqual(t, buf.String(), teststr+"\n")
}
}
}
}
func TestFlagLevel(t *testing.T) {
levels := [...]LogLevel{LevelDebug, LevelInfo, LevelWarning, LevelError, LevelCritical}
var buf bytes.Buffer
teststr := "test"
l := New(LevelDebug, &buf, "", Llevel)
for _, lvl := range levels {
buf.Reset()
l.Log(lvl, teststr)
assertEqual(t, buf.String(), lvl.String()+" "+teststr+"\n")
}
}
func TestFlagDate(t *testing.T) {
teststr := "test"
var buf bytes.Buffer
l := New(LevelDebug, &buf, "", Ldate)
now := time.Now()
l.Debug(teststr)
prefix := now.Format("2006/01/02")
assertTrue(t, strings.HasPrefix(buf.String(), prefix), buf.String(), prefix)
}
func TestFlagTime(t *testing.T) {
teststr := "test"
var buf bytes.Buffer
l := New(LevelDebug, &buf, "", Ltime|Lmicroseconds)
l.Debug(teststr)
}
func TestFlagColor(t *testing.T) {
teststr := "test"
var buf bytes.Buffer
l := New(LevelDebug, &buf, "", Lcolor)
l.Debug(teststr)
}
func TestFlagFile(t *testing.T) {
teststr := "test"
var buf bytes.Buffer
l := New(LevelDebug, &buf, "", Lshortfile)
l.Debug(teststr)
_, file, line, ok := runtime.Caller(0)
if !ok {
file = "???"
line = 0
}
sfile := filepath.Base(file)
prefix := fmt.Sprintf("%s:%d:", sfile, line-1)
assertTrue(t, strings.HasPrefix(buf.String(), prefix), buf.String(), prefix)
}
func TestPrefix(t *testing.T) {
teststr := "test"
var buf bytes.Buffer
l := New(LevelDebug, &buf, "prefix ", 0)
l.Debug(teststr)
assertEqual(t, buf.String(), "prefix "+teststr+"\n")
}
func TestGlobalAPI(t *testing.T) {
apis := [...]func(string, ...interface{}){
Debug, Info, Warning, Error, Critical,
}
std = New(LevelDebug, ioutil.Discard, "", 0)
for _, api := range apis {
api("test")
}
}
func BenchmarkLogo(b *testing.B) {
l := New(LevelDebug, ioutil.Discard, "", log.LstdFlags)
benchmarkTask(b, func(i int) {
l.Debug("%d", i)
})
}
func BenchmarkLog(b *testing.B) {
logger := log.New(ioutil.Discard, "", log.LstdFlags)
benchmarkTask(b, func(i int) {
logger.Printf("%d", i)
})
}