chore: test utils

internal/util/io_test.go

@@ -0,0 +1,20 @@
+package util
+
+import (
+	"fmt"
+	"math/rand"
+	"os"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestCopyFile(t *testing.T) {
+	path := GetCIPath("../..")
+	seed := rand.Int()
+	fn := fmt.Sprintf("/tmp/README.md.%d", seed)
+	CopyFile(path+"/../README.md", fn)
+	if assert.FileExists(t, fn) {
+		os.Remove(fn)
+	}
+}

internal/util/md5.go

@@ -4,7 +4,6 @@ import (
 	"crypto/md5"
 	"encoding/hex"
 	"io"
-	"log"
 	"os"
 )
 
@@ -13,7 +12,7 @@ func MD5CheckSum(path string) (string, error) {
 	h := md5.New()
 	f, err := os.Open(path)
 	if err != nil {
-		log.Fatal(err)
+		return "", err
 	}
 	defer f.Close()
 	if _, err := io.Copy(h, f); err != nil {

internal/util/md5_test.go

@@ -12,4 +12,7 @@ func TestMD5(t *testing.T) {
 	md5, err := MD5CheckSum(path)
 	assert.NoError(t, err)
 	assert.Equal(t, "3ba7c806a52baf4efbfb4962f62a36d1", md5)
+
+	_, err = MD5CheckSum("/tmp/some/123/3ba7c806a52baf4efbfb4962f62a36d1")
+	assert.Error(t, err)
 }