Logger package for gitea repositories
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// Copyright 2019 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package log
import (
"compress/gzip"
"fmt"
"io/ioutil"
"os"
"path/filepath"
"strings"
"testing"
"time"
"github.com/stretchr/testify/assert"
)
func TestFileLoggerFails(t *testing.T) {
tmpDir, err := ioutil.TempDir("", "TestFileLogger")
assert.NoError(t, err)
defer os.RemoveAll(tmpDir)
prefix := "TestPrefix "
level := INFO
flags := LstdFlags | LUTC | Lfuncname
//filename := filepath.Join(tmpDir, "test.log")
fileLogger := NewFileLogger()
//realFileLogger, ok := fileLogger.(*FileLogger)
//assert.Equal(t, true, ok)
// Fail if there is bad json
err = fileLogger.Init("{")
assert.Error(t, err)
// Fail if there is no filename
err = fileLogger.Init(fmt.Sprintf("{\"prefix\":\"%s\",\"level\":\"%s\",\"flags\":%d,\"filename\":\"%s\"}", prefix, level.String(), flags, ""))
assert.Error(t, err)
// Fail if the file isn't a filename
err = fileLogger.Init(fmt.Sprintf("{\"prefix\":\"%s\",\"level\":\"%s\",\"flags\":%d,\"filename\":\"%s\"}", prefix, level.String(), flags, filepath.ToSlash(tmpDir)))
assert.Error(t, err)
}
func TestFileLogger(t *testing.T) {
tmpDir, err := ioutil.TempDir("", "TestFileLogger")
assert.NoError(t, err)
defer os.RemoveAll(tmpDir)
prefix := "TestPrefix "
level := INFO
flags := LstdFlags | LUTC | Lfuncname
filename := filepath.Join(tmpDir, "test.log")
fileLogger := NewFileLogger()
realFileLogger, ok := fileLogger.(*FileLogger)
assert.Equal(t, true, ok)
location, _ := time.LoadLocation("EST")
date := time.Date(2019, time.January, 13, 22, 3, 30, 15, location)
dateString := date.UTC().Format("2006/01/02 15:04:05")
event := Event{
level: INFO,
msg: "TEST MSG",
caller: "CALLER",
filename: "FULL/FILENAME",
line: 1,
time: date,
}
expected := fmt.Sprintf("%s%s %s:%d:%s [%c] %s\n", prefix, dateString, event.filename, event.line, event.caller, strings.ToUpper(event.level.String())[0], event.msg)
fileLogger.Init(fmt.Sprintf("{\"prefix\":\"%s\",\"level\":\"%s\",\"flags\":%d,\"filename\":\"%s\",\"maxsize\":%d,\"compress\":false}", prefix, level.String(), flags, filepath.ToSlash(filename), len(expected)*2))
assert.Equal(t, flags, realFileLogger.Flags)
assert.Equal(t, level, realFileLogger.Level)
assert.Equal(t, level, fileLogger.GetLevel())
fileLogger.LogEvent(&event)
fileLogger.Flush()
logData, err := ioutil.ReadFile(filename)
assert.NoError(t, err)
assert.Equal(t, expected, string(logData))
event.level = DEBUG
fileLogger.LogEvent(&event)
fileLogger.Flush()
logData, err = ioutil.ReadFile(filename)
assert.NoError(t, err)
assert.Equal(t, expected, string(logData))
event.level = TRACE
fileLogger.LogEvent(&event)
fileLogger.Flush()
logData, err = ioutil.ReadFile(filename)
assert.NoError(t, err)
assert.Equal(t, expected, string(logData))
event.level = WARN
expected += fmt.Sprintf("%s%s %s:%d:%s [%c] %s\n", prefix, dateString, event.filename, event.line, event.caller, strings.ToUpper(event.level.String())[0], event.msg)
fileLogger.LogEvent(&event)
fileLogger.Flush()
logData, err = ioutil.ReadFile(filename)
assert.NoError(t, err)
assert.Equal(t, expected, string(logData))
// Should rotate
fileLogger.LogEvent(&event)
fileLogger.Flush()
logData, err = ioutil.ReadFile(filename + fmt.Sprintf(".%s.%03d", time.Now().Format("2006-01-02"), 1))
assert.NoError(t, err)
assert.Equal(t, expected, string(logData))
logData, err = ioutil.ReadFile(filename)
assert.NoError(t, err)
expected = fmt.Sprintf("%s%s %s:%d:%s [%c] %s\n", prefix, dateString, event.filename, event.line, event.caller, strings.ToUpper(event.level.String())[0], event.msg)
assert.Equal(t, expected, string(logData))
for num := 2; num <= 999; num++ {
file, err := os.OpenFile(filename+fmt.Sprintf(".%s.%03d", time.Now().Format("2006-01-02"), num), os.O_RDONLY|os.O_CREATE, 0666)
assert.NoError(t, err)
file.Close()
}
err = realFileLogger.DoRotate()
assert.Error(t, err)
expected += fmt.Sprintf("%s%s %s:%d:%s [%c] %s\n", prefix, dateString, event.filename, event.line, event.caller, strings.ToUpper(event.level.String())[0], event.msg)
fileLogger.LogEvent(&event)
fileLogger.Flush()
logData, err = ioutil.ReadFile(filename)
assert.NoError(t, err)
assert.Equal(t, expected, string(logData))
// Should fail to rotate
expected += fmt.Sprintf("%s%s %s:%d:%s [%c] %s\n", prefix, dateString, event.filename, event.line, event.caller, strings.ToUpper(event.level.String())[0], event.msg)
fileLogger.LogEvent(&event)
fileLogger.Flush()
logData, err = ioutil.ReadFile(filename)
assert.NoError(t, err)
assert.Equal(t, expected, string(logData))
fileLogger.Close()
}
func TestCompressFileLogger(t *testing.T) {
tmpDir, err := ioutil.TempDir("", "TestFileLogger")
assert.NoError(t, err)
defer os.RemoveAll(tmpDir)
prefix := "TestPrefix "
level := INFO
flags := LstdFlags | LUTC | Lfuncname
filename := filepath.Join(tmpDir, "test.log")
fileLogger := NewFileLogger()
realFileLogger, ok := fileLogger.(*FileLogger)
assert.Equal(t, true, ok)
location, _ := time.LoadLocation("EST")
date := time.Date(2019, time.January, 13, 22, 3, 30, 15, location)
dateString := date.UTC().Format("2006/01/02 15:04:05")
event := Event{
level: INFO,
msg: "TEST MSG",
caller: "CALLER",
filename: "FULL/FILENAME",
line: 1,
time: date,
}
expected := fmt.Sprintf("%s%s %s:%d:%s [%c] %s\n", prefix, dateString, event.filename, event.line, event.caller, strings.ToUpper(event.level.String())[0], event.msg)
fileLogger.Init(fmt.Sprintf("{\"prefix\":\"%s\",\"level\":\"%s\",\"flags\":%d,\"filename\":\"%s\",\"maxsize\":%d,\"compress\":true}", prefix, level.String(), flags, filepath.ToSlash(filename), len(expected)*2))
fileLogger.LogEvent(&event)
fileLogger.Flush()
logData, err := ioutil.ReadFile(filename)
assert.NoError(t, err)
assert.Equal(t, expected, string(logData))
event.level = WARN
expected += fmt.Sprintf("%s%s %s:%d:%s [%c] %s\n", prefix, dateString, event.filename, event.line, event.caller, strings.ToUpper(event.level.String())[0], event.msg)
fileLogger.LogEvent(&event)
fileLogger.Flush()
logData, err = ioutil.ReadFile(filename)
assert.NoError(t, err)
assert.Equal(t, expected, string(logData))
// Should rotate
fileLogger.LogEvent(&event)
fileLogger.Flush()
for num := 2; num <= 999; num++ {
file, err := os.OpenFile(filename+fmt.Sprintf(".%s.%03d.gz", time.Now().Format("2006-01-02"), num), os.O_RDONLY|os.O_CREATE, 0666)
assert.NoError(t, err)
file.Close()
}
err = realFileLogger.DoRotate()
assert.Error(t, err)
}
func TestCompressOldFile(t *testing.T) {
tmpDir, err := ioutil.TempDir("", "TestFileLogger")
assert.NoError(t, err)
defer os.RemoveAll(tmpDir)
fname := filepath.Join(tmpDir, "test")
nonGzip := filepath.Join(tmpDir, "test-nonGzip")
f, err := os.OpenFile(fname, os.O_CREATE|os.O_WRONLY, 0660)
assert.NoError(t, err)
ng, err := os.OpenFile(nonGzip, os.O_CREATE|os.O_WRONLY, 0660)
assert.NoError(t, err)
for i := 0; i < 999; i++ {
f.WriteString("This is a test file\n")
ng.WriteString("This is a test file\n")
}
f.Close()
ng.Close()
err = compressOldLogFile(fname, -1)
assert.NoError(t, err)
_, err = os.Lstat(fname + ".gz")
assert.NoError(t, err)
f, err = os.Open(fname + ".gz")
assert.NoError(t, err)
zr, err := gzip.NewReader(f)
assert.NoError(t, err)
data, err := ioutil.ReadAll(zr)
assert.NoError(t, err)
original, err := ioutil.ReadFile(nonGzip)
assert.NoError(t, err)
assert.Equal(t, original, data)
}