fix: md5 not empty when content is empty (#779)

nacos-group · Oct 11, 2024 · 7b95c9d · 7b95c9d
1 parent 4464edc
commit 7b95c9d
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Showing 2 changed files with 7 additions and 0 deletions.
diff --git a/util/md5.go b/util/md5.go
@@ -23,6 +23,10 @@ import (
 )
 
 func Md5(content string) (md string) {
+	if content == "" {
+		return
+	}
+
 	h := md5.New()
 	_, _ = io.WriteString(h, content)
 	md = fmt.Sprintf("%x", h.Sum(nil))

diff --git a/util/md5_test.go b/util/md5_test.go
@@ -25,4 +25,7 @@ import (
 func TestMd5(t *testing.T) {
 	md5 := Md5("demo")
 	assert.Equal(t, "fe01ce2a7fbac8fafaed7c982a04e229", md5)
+
+	md5 = Md5("")
+	assert.Equal(t, "", md5)
 }