feat(Go-StudyExample):2021/02/09:新增merge源码阅读和单测代码

2021-02-09 16:00:31 +08:00
parent 05f55b0eac
commit cf02f0bf10
51 changed files with 3712 additions and 1 deletions
@@ -0,0 +1,39 @@
+package mergo_test
+
+import (
+	"testing"
+
+	"github.com/imdario/mergo"
+)
+
+type user struct {
+	Name string
+}
+
+type token struct {
+	User  *user
+	Token *string
+}
+
+func TestIssue149(t *testing.T) {
+	dest := &token{
+		User: &user{
+			Name: "destination",
+		},
+		Token: nil,
+	}
+	tokenValue := "Issue149"
+	src := &token{
+		User:  nil,
+		Token: &tokenValue,
+	}
+	if err := mergo.Merge(dest, src, mergo.WithOverwriteWithEmptyValue); err != nil {
+		t.Error(err)
+	}
+	if dest.User != nil {
+		t.Errorf("expected nil User, got %q", dest.User)
+	}
+	if dest.Token == nil {
+		t.Errorf("expected not nil Token, got %q", *dest.Token)
+	}
+}