Fix incorrect tests in 1.21 (#29366)

The submitted tests in the patch for the XSS fix is not right.

To test, it should test "what should happen", but not "what doesn't
exist" or "what is processed/decoded".

tests/integration/xss_test.go

 
 import (
 	"context"
-	"fmt"
+	"html"
 	"net/http"
 	"net/url"
 	"os"
 func TestXSSUserFullName(t *testing.T) {
 	defer tests.PrepareTestEnv(t)()
 	user := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 2})
-	const fullName = `name & <script class="evil">alert('Oh no!');</script>`
+	const fullName = `name & <script class="evil">alert('xss');</script>`
 
 	session := loginUser(t, user.Name)
 	req := NewRequestWithValues(t, "POST", "/user/settings", map[string]string{
 	resp := session.MakeRequest(t, req, http.StatusOK)
 	htmlDoc := NewHTMLParser(t, resp.Body)
 	assert.EqualValues(t, 0, htmlDoc.doc.Find("script.evil").Length())
-	assert.EqualValues(t, fullName,
-		htmlDoc.doc.Find("div.content").Find(".header.text.center").Text(),
-	)
+	htmlCode, err := htmlDoc.doc.Find("div.content").Find(".header.text.center").Html()
+	assert.NoError(t, err)
+	assert.EqualValues(t, html.EscapeString(fullName), htmlCode)
 }
 
 func TestXSSWikiLastCommitInfo(t *testing.T) {
 	onGiteaRun(t, func(t *testing.T, u *url.URL) {
-		// Prepare the environment.
 		dstPath := t.TempDir()
-		r := fmt.Sprintf("%suser2/repo1.wiki.git", u.String())
-		u, err := url.Parse(r)
+		cloneWikiURL, err := url.Parse(u.String() + "user2/repo1.wiki.git")
 		assert.NoError(t, err)
-		u.User = url.UserPassword("user2", userPassword)
-		assert.NoError(t, git.CloneWithArgs(context.Background(), git.AllowLFSFiltersArgs(), u.String(), dstPath, git.CloneRepoOptions{}))
+		cloneWikiURL.User = url.UserPassword("user2", userPassword)
+		assert.NoError(t, git.CloneWithArgs(context.Background(), git.AllowLFSFiltersArgs(), cloneWikiURL.String(), dstPath, git.CloneRepoOptions{}))
 
 		// Use go-git here, because using git wouldn't work, it has code to remove
 		// `<`, `>` and `\n` in user names. Even though this is permitted and
 		// wouldn't result in a error by a Git server.
 		gitRepo, err := gogit.PlainOpen(dstPath)
-		if err != nil {
-			panic(err)
+		if !assert.NoError(t, err) {
+			return
 		}
-
 		w, err := gitRepo.Worktree()
-		if err != nil {
-			panic(err)
+		if !assert.NoError(t, err) {
+			return
 		}
 
 		filename := filepath.Join(dstPath, "Home.md")
-		err = os.WriteFile(filename, []byte("Oh, a XSS attack?"), 0o644)
+		err = os.WriteFile(filename, []byte("dummy content"), 0o644)
 		if !assert.NoError(t, err) {
-			t.FailNow()
+			return
 		}
 
 		_, err = w.Add("Home.md")
 		if !assert.NoError(t, err) {
-			t.FailNow()
+			return
 		}
 
-		_, err = w.Commit("Yay XSS", &gogit.CommitOptions{
+		_, err = w.Commit("dummy message", &gogit.CommitOptions{
 			Author: &object.Signature{
-				Name:  `Gusted <script class="evil">alert('Oh no!');</script>`,
+				Name:  `foo<script class="evil">alert('xss');</script>bar`,
 				Email: "valid@example.org",
-				When:  time.Date(2024, time.January, 31, 0, 0, 0, 0, time.UTC),
+				When:  time.Date(2001, time.January, 31, 0, 0, 0, 0, time.UTC),
 			},
 		})
 		if !assert.NoError(t, err) {
-			t.FailNow()
+			return
 		}
 
 		// Push.
-		_, _, err = git.NewCommand(git.DefaultContext, "push").AddArguments(git.ToTrustedCmdArgs([]string{"origin", "master"})...).RunStdString(&git.RunOpts{Dir: dstPath})
+		_, _, err = git.NewCommand(git.DefaultContext, "push").AddArguments("origin", "master").RunStdString(&git.RunOpts{Dir: dstPath})
 		assert.NoError(t, err)
 
 		// Check on page view.
 			htmlDoc := NewHTMLParser(t, resp.Body)
 
 			htmlDoc.AssertElement(t, "script.evil", false)
-			assert.EqualValues(t, `Gusted edited this page 0001-01-01 00:00:00 +00:00`, strings.TrimSpace(htmlDoc.Find(".ui.sub.header").Text()))
+			htmlCode, err := htmlDoc.Find(".ui.sub.header").Html()
+			assert.NoError(t, err)
+			assert.EqualValues(t, `foo&lt;script class=&#34;evil&#34;&gt;alert(&#39;xss&#39;);&lt;/script&gt;bar edited this page <relative-time class="time-since" prefix="" tense="past" datetime="2001-01-31T00:00:00Z" data-tooltip-content="" data-tooltip-interactive="true">2001-01-31 00:00:00 +00:00</relative-time>`, strings.TrimSpace(htmlCode))
 		})
 
 		// Check on revisions page.
 			htmlDoc := NewHTMLParser(t, resp.Body)
 
 			htmlDoc.AssertElement(t, "script.evil", false)
-			assert.EqualValues(t, `Gusted edited this page 0001-01-01 00:00:00 +00:00`, strings.TrimSpace(htmlDoc.Find(".ui.sub.header").Text()))
+			htmlCode, err := htmlDoc.Find(".ui.sub.header").Html()
+			assert.NoError(t, err)
+			assert.EqualValues(t, `foo&lt;script class=&#34;evil&#34;&gt;alert(&#39;xss&#39;);&lt;/script&gt;bar edited this page <relative-time class="time-since" prefix="" tense="past" datetime="2001-01-31T00:00:00Z" data-tooltip-content="" data-tooltip-interactive="true">2001-01-31 00:00:00 +00:00</relative-time>`, strings.TrimSpace(htmlCode))
 		})
 	})
 }