Add pubdate for repository rss and add some tests (#33411)

Fix #33291

tests/integration/feed_user_test.go

@@ -0,0 +1,60 @@
+// Copyright 2022 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package integration
+
+import (
+	"encoding/xml"
+	"net/http"
+	"testing"
+
+	"code.gitea.io/gitea/tests"
+
+	"github.com/stretchr/testify/assert"
+)
+
+// RSS is a struct to unmarshal RSS feeds test only
+type RSS struct {
+	Channel struct {
+		Title       string `xml:"title"`
+		Link        string `xml:"link"`
+		Description string `xml:"description"`
+		PubDate     string `xml:"pubDate"`
+		Items       []struct {
+			Title       string `xml:"title"`
+			Link        string `xml:"link"`
+			Description string `xml:"description"`
+			PubDate     string `xml:"pubDate"`
+		} `xml:"item"`
+	} `xml:"channel"`
+}
+
+func TestFeedUser(t *testing.T) {
+	t.Run("User", func(t *testing.T) {
+		t.Run("Atom", func(t *testing.T) {
+			defer tests.PrepareTestEnv(t)()
+
+			req := NewRequest(t, "GET", "/user2.atom")
+			resp := MakeRequest(t, req, http.StatusOK)
+
+			data := resp.Body.String()
+			assert.Contains(t, data, `<feed xmlns="http://www.w3.org/2005/Atom"`)
+		})
+
+		t.Run("RSS", func(t *testing.T) {
+			defer tests.PrepareTestEnv(t)()
+
+			req := NewRequest(t, "GET", "/user2.rss")
+			resp := MakeRequest(t, req, http.StatusOK)
+
+			data := resp.Body.String()
+			assert.Contains(t, data, `<rss version="2.0"`)
+
+			var rss RSS
+			err := xml.Unmarshal(resp.Body.Bytes(), &rss)
+			assert.NoError(t, err)
+			assert.Contains(t, rss.Channel.Link, "/user2")
+			assert.NotEmpty(t, rss.Channel.PubDate)
+		})
+	})
+}