Merge pull request #3 from iproj/upgrade

Add unit test

.travis.yml

@@ -1,5 +1,14 @@
 language: go
-sudo: false
-go:
-  - "1.14"
-  - tip
+go_import_path: github.com/iproj/file-rotatelogs
+os : linux
+jobs:
+  include:
+    - stage: build
+      os: linux
+      go: 1.14
+      env: GO111MODULE=on 
+      script:
+        - go test
+      after_success:
+        - bash <(curl -s https://codecov.io/bash)
+

README.md

@@ -3,14 +3,16 @@ file-rotatelogs
 
 Provide an `io.Writer` that periodically rotates log files from within the application. Port of [File::RotateLogs](https://metacpan.org/release/File-RotateLogs) from Perl to Go.
 
-[![Build Status](https://travis-ci.org/lestrrat-go/file-rotatelogs.png?branch=master)](https://travis-ci.org/lestrrat-go/file-rotatelogs)
-
-[![GoDoc](https://godoc.org/github.com/lestrrat-go/file-rotatelogs?status.svg)](https://godoc.org/github.com/lestrrat-go/file-rotatelogs)
-
-# WARNINGS
-
-THIS PROJECT HAS BEEN ARCHIVED. IT WILL NOT RECEIVE UPDATES, THE AUTHOR DOES NOT WISH TO MAINTAIN OR SUPPORT IT.
-IN SHORT, DO NOT USE THIS PROJECT.
+[![version](https://img.shields.io/github/v/tag/iproj/file-rotatelogs.svg?sort=semver)](https://github.com/iproj/file-rotatelogs/releases/latest)
+[![API Reference](https://camo.githubusercontent.com/915b7be44ada53c290eb157634330494ebe3e30a/68747470733a2f2f676f646f632e6f72672f6769746875622e636f6d2f676f6c616e672f6764646f3f7374617475732e737667)](https://godoc.org/github.com/iproj/file-rotatelogs)
+[![Go version](https://img.shields.io/badge/go-1.14-blue.svg)](https://github.com/moovweb/gvm)
+[![Go Report Card](https://goreportcard.com/badge/github.com/iproj/file-rotatelogs)](https://goreportcard.com/report/github.com/iproj/file-rotatelogs)
+[![Travis](https://travis-ci.com/iproj/file-rotatelogs.svg?branch=main)](https://travis-ci.com/iproj/file-rotatelogs)
+[![license](https://img.shields.io/github/license/iproj/file-rotatelogs.svg)](https://github.com/iproj/file-rotatelogs/blob/main/LICENSE)
+
+| Branch | Tests                                                                                                                                                | Coverage                                                                                                                             |
+| ------ | ---------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------ |
+| main | [![TravisCI](https://travis-ci.com/iproj/file-rotatelogs.svg?branch=main)](https://travis-ci.com/iproj/file-rotatelogs)  | [![codecov](https://codecov.io/gh/iproj/file-rotatelogs/branch/main/graph/badge.svg)](https://codecov.io/gh/iproj/file-rotatelogs) |
 
 # SYNOPSIS
 

example_test.go

@@ -3,9 +3,14 @@ package rotatelogs_test
 import (
 	"fmt"
 	"io/ioutil"
+	"log"
 	"os"
+	"path/filepath"
+	"strconv"
+	"testing"
 
 	rotatelogs "github.com/iproj/file-rotatelogs"
+	"github.com/stretchr/testify/assert"
 )
 
 func ExampleForceNewFile() {
@@ -61,3 +66,37 @@ func ExampleForceNewFile() {
 	// test.log 4
 	// test.log.1 4
 }
+
+func TestTooMuchLog(t *testing.T) {
+
+	var (
+		testDir       = "test_much_log"
+		testLogPath   = filepath.Join(testDir, "access_log")
+		rotationCount = 3
+		N             = 12 // N < log.Printf content size
+	)
+	err := os.Mkdir(testDir, 0777)
+	assert.Nil(t, err)
+	defer os.RemoveAll(testDir)
+	assert.Nil(t, err)
+
+	rl, err := rotatelogs.New(
+		testLogPath+".%Y%m%d%H%M",
+		rotatelogs.WithLinkName(testLogPath),
+		rotatelogs.WithRotationCount(uint(rotationCount)),
+		rotatelogs.WithRotationSize(12),
+	)
+	assert.Nil(t, err)
+
+	log.SetOutput(rl)
+	for i := 0; i < N; i++ {
+		log.Printf("Test content %d\n", i)
+	}
+	files, _ := ioutil.ReadDir(testDir)
+	fmt.Println(files)
+	assert.Equal(t, rotationCount+1, len(files))
+
+	bytez, err := ioutil.ReadFile(testLogPath)
+	assert.Nil(t, err)
+	assert.Equal(t, strconv.Itoa(N-1), string(bytez[len(bytez)-3:len(bytez)-1]))
+}

go.mod

@@ -1,4 +1,4 @@
-module github.com/lestrrat-go/file-rotatelogs
+module github.com/iproj/file-rotatelogs
 
 go 1.12