AUTH-2596 added new logger package and replaced logrus

logger/file_writer_test.go

@@ -0,0 +1,56 @@
+package logger
+
+import (
+	"fmt"
+	"io/ioutil"
+	"os"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestFileWrite(t *testing.T) {
+	fileName := "test_file"
+	fileLog := fileName + ".log"
+	testData := []byte(string("hello Dalton, how are you doing?"))
+	defer func() {
+		os.Remove(fileLog)
+	}()
+
+	w := NewFileRollingWriter("", fileName, 1000, 2)
+	defer w.Close()
+
+	l, err := w.Write(testData)
+
+	assert.NoError(t, err)
+	assert.Equal(t, l, len(testData), "expected write length and data length to match")
+
+	d, err := ioutil.ReadFile(fileLog)
+	assert.FileExists(t, fileLog, "file doesn't exist at expected path")
+	assert.Equal(t, d, testData, "expected data in file to match test data")
+}
+
+func TestRolling(t *testing.T) {
+	fileName := "test_file"
+	firstFile := fileName + ".log"
+	secondFile := fileName + "-1.log"
+	thirdFile := fileName + "-2.log"
+
+	defer func() {
+		os.Remove(firstFile)
+		os.Remove(secondFile)
+		os.Remove(thirdFile)
+	}()
+
+	w := NewFileRollingWriter("", fileName, 1000, 2)
+	defer w.Close()
+
+	for i := 99; i >= 1; i-- {
+		testData := []byte(fmt.Sprintf("%d bottles of beer on the wall...", i))
+		w.Write(testData)
+	}
+	assert.FileExists(t, firstFile, "first file doesn't exist as expected")
+	assert.FileExists(t, secondFile, "second file doesn't exist as expected")
+	assert.FileExists(t, thirdFile, "third file doesn't exist as expected")
+	assert.False(t, exists(fileName+"-3.log"), "limited to two files and there is more")
+}