Merge pull request #5 from ajainc/feature/cleanup_test_file

cleanup test file when test finished

appender_file_rotatable_test.go

@@ -1,23 +1,29 @@
 package golog
 
 import (
-	"testing"
-	"github.com/stretchr/testify/assert"
-	"syscall"
-	"os"
 	"io/ioutil"
+	"os"
+	"syscall"
+	"testing"
 	"time"
+
+	"github.com/stretchr/testify/assert"
 )
 
 func TestRotatableFileAppender_Write(t *testing.T) {
 
-	var setup = func () {
+	var setup = func() {
 		file1, _ := os.OpenFile("appender_file_rotatable", os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0666)
 		file1.Close()
 		file2, _ := os.OpenFile("appender_file_rotatable_bk", os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0666)
 		file2.Close()
 	}
 
+	var cleanup = func() {
+		os.Remove("appender_file_rotatable")
+		os.Remove("appender_file_rotatable_bk")
+	}
+
 	t.Run("", func(t *testing.T) {
 		setup()
 
@@ -32,19 +38,19 @@ func TestRotatableFileAppender_Write(t *testing.T) {
 		appender.Write([]byte("test2"))
 		appender.Close()
 
-
 		file1, err := os.OpenFile("appender_file_rotatable", os.O_RDONLY, 0666)
 		assert.Nil(t, err)
 		actual, err := ioutil.ReadAll(file1)
 		expected := "test2\n"
 		assert.Equal(t, expected, string(actual))
 
-
 		file2, err := os.OpenFile("appender_file_rotatable_bk", os.O_RDONLY, 0666)
 		assert.Nil(t, err)
 		actual, err = ioutil.ReadAll(file2)
 		assert.Nil(t, err)
 		expected = "test1\n"
 		assert.Equal(t, expected, string(actual))
+
+		cleanup()
 	})
 }