feat: add openapi operation override unit test

net/goai/goai_z_unit_issue_test.go

@@ -231,3 +231,52 @@ func Test_Issue3747(t *testing.T) {
 		t.Assert(schema, Issue3747Res403Schema)
 	})
 }
+
+type Issue3889DefaultReq struct {
+	g.Meta `path:"/default" method:"post"`
+	Name   string
+}
+type Issue3889DefaultRes struct{}
+
+type Issue3889 struct{}
+
+func (Issue3889) Default(ctx context.Context, req *Issue3889DefaultReq) (res *Issue3889DefaultRes, err error) {
+	res = &Issue3889DefaultRes{}
+	return
+}
+
+func OverrideOperation(operation *goai.Operation, reqObject interface{}, resObject interface{}) {
+	// Find some reqObject or resObject if needed.
+	// ...
+	operation.Summary = "Override summary"
+	operation.Responses["201"] = operation.Responses["200"]
+}
+
+// https://github.com/gogf/gf/issues/3889
+func Test_Issue3889(t *testing.T) {
+	gtest.C(t, func(t *gtest.T) {
+		s := g.Server(guid.S())
+		s.Use(ghttp.MiddlewareHandlerResponse)
+		s.Group("/", func(group *ghttp.RouterGroup) {
+			group.Bind(
+				new(Issue3889),
+			)
+		})
+		s.SetLogger(nil)
+		s.SetOpenApiPath("/api.json")
+		s.SetDumpRouterMap(false)
+		goai := s.GetOpenApi()
+		goai.Config.OperationOverrideHook = OverrideOperation
+		s.Start()
+		defer s.Shutdown()
+		time.Sleep(100 * time.Millisecond)
+
+		c := g.Client()
+		c.SetPrefix(fmt.Sprintf("http://127.0.0.1:%d", s.GetListenedPort()))
+		apiContent := c.GetBytes(ctx, "/api.json")
+		j, err := gjson.LoadJson(apiContent)
+		t.AssertNil(err)
+		t.Assert(j.Get(`paths./default.post.summary`).String(), "Override summary")
+		t.AssertNE(j.Get(`paths./default.post.responses.201`).String(), "")
+	})
+}