Fix relative-time RangeError

modules/setting/setting.go

@@ -31,6 +31,10 @@ var (
 	// IsInTesting indicates whether the testing is running. A lot of unreliable code causes a lot of nonsense error logs during testing
 	// TODO: this is only a temporary solution, we should make the test code more reliable
 	IsInTesting = false
+
+	// IsE2ETest indicates whether the server is running for e2e tests, set via GITEA_E2E_TEST env var.
+	// IsInTesting is unsuitable because it has many side effects for in-process unit/integration tests.
+	IsE2ETest = os.Getenv("GITEA_E2E_TEST") == "true"
 )
 
 func init() {

routers/web/web.go

@@ -1740,7 +1740,7 @@ func registerWebRoutes(m *web.Router, webAuth *AuthMiddleware) {
 		m.Get("/swagger.v1.json", SwaggerV1Json)
 	}
 
-	if !setting.IsProd {
+	if !setting.IsProd || setting.IsE2ETest {
 		m.Group("/devtest", func() {
 			m.Any("", devtest.List)
 			m.Any("/fetch-action-test", devtest.FetchActionTest)

templates/devtest/relative-time.tmpl

@@ -3,7 +3,7 @@
 	<div class="tw-grid tw-grid-cols-3 tw-gap-4">
 		<div>
 			<h2>Relative (auto)</h2>
-			<div>now: <relative-time datetime="{{.TimeNow.Format "2006-01-02T15:04:05Z07:00"}}"></relative-time></div>
+			<div>now: <relative-time data-testid="relative-time-now" datetime="{{.TimeNow.Format "2006-01-02T15:04:05Z07:00"}}"></relative-time></div>
 			<div>3m ago: <relative-time datetime="{{.TimePast3m.Format "2006-01-02T15:04:05Z07:00"}}"></relative-time></div>
 			<div>3h ago: <relative-time datetime="{{.TimePast3h.Format "2006-01-02T15:04:05Z07:00"}}"></relative-time></div>
 			<div>1d ago: <relative-time datetime="{{.TimePast1d.Format "2006-01-02T15:04:05Z07:00"}}"></relative-time></div>

tests/e2e/relative-time.test.ts

@@ -0,0 +1,10 @@
+import {test, expect} from '@playwright/test';
+import {assertNoJsError} from './utils.ts';
+
+test('relative-time renders without errors', async ({page}) => {
+  await page.goto('/devtest/relative-time');
+  const relativeTime = page.getByTestId('relative-time-now');
+  await expect(relativeTime).toHaveAttribute('data-tooltip-content', /.+/);
+  await expect(relativeTime).toHaveText('now');
+  await assertNoJsError(page);
+});

tests/e2e/utils.ts

@@ -104,6 +104,10 @@ export async function login(page: Page, username = env.GITEA_TEST_E2E_USER, pass
   await expect(page.getByRole('link', {name: 'Sign In'})).toBeHidden();
 }
 
+export async function assertNoJsError(page: Page) {
+  await expect(page.locator('.js-global-error')).toHaveCount(0);
+}
+
 export async function logout(page: Page) {
   await page.context().clearCookies(); // workaround issues related to fomantic dropdown
   await page.goto('/');

tools/test-e2e.sh

@@ -43,6 +43,7 @@ LEVEL = Warn
 EOF
 
 export GITEA_WORK_DIR="$WORK_DIR"
+export GITEA_E2E_TEST=true
 
 # Start Gitea server
 echo "Starting Gitea server on port $FREE_PORT (workdir: $WORK_DIR)..."

web_src/js/webcomponents/relative-time.ts

@@ -259,12 +259,12 @@ class RelativeTime extends HTMLElement {
 
   get #lang(): string {
     const lang = this.closest('[lang]')?.getAttribute('lang');
-    if (!lang) return navigator.language;
-    try {
-      return new Intl.Locale(lang).toString();
-    } catch {
-      return navigator.language;
+    if (lang) {
+      try {
+        return new Intl.Locale(lang).toString();
+      } catch { /* invalid locale, fall through */ }
     }
+    return navigator.language ?? 'en';
   }
 
   get second(): 'numeric' | '2-digit' | undefined {