[BUG] Render correct label link

- Render the correct label for pull requests, it should link to the pull
requests list and not the issue list.
- Add unit test.
- Resolves https://codeberg.org/forgejo/forgejo/issues/3183

(cherry picked from commit 7a97c05206)

modules/templates/main_test.go

@@ -0,0 +1,24 @@
+// Copyright 2024 The Forgejo Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package templates_test
+
+import (
+	"context"
+	"testing"
+
+	"code.gitea.io/gitea/models/unittest"
+	"code.gitea.io/gitea/modules/markup"
+
+	_ "code.gitea.io/gitea/models"
+	_ "code.gitea.io/gitea/models/issues"
+)
+
+func TestMain(m *testing.M) {
+	markup.Init(&markup.ProcessorHelper{
+		IsUsernameMentionable: func(ctx context.Context, username string) bool {
+			return username == "mention-user"
+		},
+	})
+	unittest.MainTest(m)
+}

modules/templates/util_render.go

@@ -239,15 +239,20 @@ func RenderMarkdownToHtml(ctx context.Context, input string) template.HTML { //n
 	return output
 }
 
-func RenderLabels(ctx context.Context, locale translation.Locale, labels []*issues_model.Label, repoLink string) template.HTML {
+func RenderLabels(ctx context.Context, locale translation.Locale, labels []*issues_model.Label, repoLink string, isPull bool) template.HTML {
 	htmlCode := `<span class="labels-list">`
 	for _, label := range labels {
 		// Protect against nil value in labels - shouldn't happen but would cause a panic if so
 		if label == nil {
 			continue
 		}
-		htmlCode += fmt.Sprintf("<a href='%s/issues?labels=%d'>%s</a> ",
+
-			repoLink, label.ID, RenderLabel(ctx, locale, label))
+		issuesOrPull := "issues"
+		if isPull {
+			issuesOrPull = "pulls"
+		}
+		htmlCode += fmt.Sprintf("<a href='%s/%s?labels=%d'>%s</a> ",
+			repoLink, issuesOrPull, label.ID, RenderLabel(ctx, locale, label))
 	}
 	htmlCode += "</span>"
 	return template.HTML(htmlCode)

modules/templates/util_render_test.go

@@ -6,13 +6,12 @@ package templates
 import (
 	"context"
 	"html/template"
-	"os"
 	"testing"
 
+	"code.gitea.io/gitea/models/db"
+	issues_model "code.gitea.io/gitea/models/issues"
 	"code.gitea.io/gitea/models/unittest"
-	"code.gitea.io/gitea/modules/git"
+	"code.gitea.io/gitea/modules/translation"
-	"code.gitea.io/gitea/modules/log"
-	"code.gitea.io/gitea/modules/markup"
 
 	"github.com/stretchr/testify/assert"
 )
@@ -46,19 +45,6 @@ var testMetas = map[string]string{
 	"mode":     "comment",
 }
 
-func TestMain(m *testing.M) {
-	unittest.InitSettings()
-	if err := git.InitSimple(context.Background()); err != nil {
-		log.Fatal("git init failed, err: %v", err)
-	}
-	markup.Init(&markup.ProcessorHelper{
-		IsUsernameMentionable: func(ctx context.Context, username string) bool {
-			return username == "mention-user"
-		},
-	})
-	os.Exit(m.Run())
-}
-
 func TestApostrophesInMentions(t *testing.T) {
 	rendered := RenderMarkdownToHtml(context.Background(), "@mention-user's comment")
 	assert.EqualValues(t, template.HTML("<p><a href=\"/mention-user\" rel=\"nofollow\">@mention-user</a>&#39;s comment</p>\n"), rendered)
@@ -190,3 +176,15 @@ space</p>
 `
 	assert.EqualValues(t, expected, RenderMarkdownToHtml(context.Background(), testInput))
 }
+
+func TestRenderLabels(t *testing.T) {
+	unittest.PrepareTestEnv(t)
+
+	tr := &translation.MockLocale{}
+	label := unittest.AssertExistsAndLoadBean(t, &issues_model.Label{ID: 1})
+
+	assert.Contains(t, RenderLabels(db.DefaultContext, tr, []*issues_model.Label{label}, "user2/repo1", false),
+		"user2/repo1/issues?labels=1")
+	assert.Contains(t, RenderLabels(db.DefaultContext, tr, []*issues_model.Label{label}, "user2/repo1", true),
+		"user2/repo1/pulls?labels=1")
+}

templates/repo/issue/view_content/comments.tmpl

@@ -177,11 +177,11 @@
 					<span class="text grey muted-links">
 						{{template "shared/user/authorlink" .Poster}}
 						{{if and .AddedLabels (not .RemovedLabels)}}
-							{{ctx.Locale.TrN (len .AddedLabels) "repo.issues.add_label" "repo.issues.add_labels" (RenderLabels $.Context ctx.Locale .AddedLabels $.RepoLink) $createdStr}}
+							{{ctx.Locale.TrN (len .AddedLabels) "repo.issues.add_label" "repo.issues.add_labels" (RenderLabels $.Context ctx.Locale .AddedLabels $.RepoLink .Issue.IsPull) $createdStr}}
 						{{else if and (not .AddedLabels) .RemovedLabels}}
-							{{ctx.Locale.TrN (len .RemovedLabels) "repo.issues.remove_label" "repo.issues.remove_labels" (RenderLabels $.Context ctx.Locale .RemovedLabels $.RepoLink) $createdStr}}
+							{{ctx.Locale.TrN (len .RemovedLabels) "repo.issues.remove_label" "repo.issues.remove_labels" (RenderLabels $.Context ctx.Locale .RemovedLabels $.RepoLink .Issue.IsPull) $createdStr}}
 						{{else}}
-							{{ctx.Locale.Tr "repo.issues.add_remove_labels" (RenderLabels $.Context ctx.Locale .AddedLabels $.RepoLink) (RenderLabels $.Context ctx.Locale .RemovedLabels $.RepoLink) $createdStr}}
+							{{ctx.Locale.Tr "repo.issues.add_remove_labels" (RenderLabels $.Context ctx.Locale .AddedLabels $.RepoLink .Issue.IsPull) (RenderLabels $.Context ctx.Locale .RemovedLabels $.RepoLink .Issue.IsPull) $createdStr}}
 						{{end}}
 					</span>
 				</div>