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Closes DOCS-1278 ## I have read the [CONTRIBUTING.md](https://github.com/supabase/supabase/blob/master/CONTRIBUTING.md) file. YES ## What kind of change does this PR introduce? Feature. Adds E2E test scaffolding and a CI check for the marketing site. ## What is the current behavior? Closes [FE-4047](https://linear.app/supabase/issue/FE-4047). The marketing site has no E2E coverage. Docs has a suite in `e2e/docs`, but its runner, git helpers and axe reporting are private to that package, so a second site cannot reuse them. ## What is the new behavior? * **A www suite scoped to changed content.** Changed `.mdx` files in `_blog`, `_events`, `_customers` and `_alternatives` map to the URLs they render. Pages with `disable_page_build: true` are skipped because they 404 by design. Capped at 20 pages. Enforces `heading-order` and `page-has-heading-one`, matching docs. * **`e2e/shared` The docs site is also static with similar needs. This folder shares the docs logic with www. * **A CI check that is safe to mark required.** Path scoping lives in a `Detect changed paths` step rather than a `paths:` trigger, so the check reports on every pull request instead of being skipped. `waitForVercelDocsPreview.js` becomes `waitForVercelPreview.js`, shared by both workflows. ## How the check behaves The job always reports a check run, so it is safe to mark required. Path scoping happens in a step rather than a `paths:` trigger, which would leave non-www pull requests waiting on a check that never reports. | Case | Behavior | | --- | --- | | Fork pull request adds new pages | Passes without testing. The Vercel wait is gated on `head.repo.full_name == github.repository`, so forks resolve no preview URL. The job emits a `::warning` and a job summary containing a ready-to-run `gh workflow run www-e2e.yml` command with the resolved page paths, so a maintainer can run it against the preview. | | Vercel preview times out or fails | Passes without testing. The wait step is `continue-on-error: true`, so a 900s timeout or a failed deployment leaves the URL unset and the suite skips. Vercel's own `Vercel – zone-www-dot-com` check already reports the failure. | | Draft pull request | Job does not run at all, gated at the job level on `pull_request.draft == false`. `ready_for_review` is in the trigger's `types`, so marking it ready runs the check. | | Another app changed, www untouched | Job runs and every step skips. The `www` filter matches only the four content directories, `e2e/www`, `e2e/shared`, the lockfile, and this workflow. | | Only the harness changed | Passes without testing. Scope resolves to zero pages, and the Vercel wait is additionally gated on `www_app`, so it does not wait for a preview Vercel skipped. | | No preview resolves, any reason | Skips rather than falling back to production. Production does not serve pages the pull request adds, so testing it would fail a valid change. | ### Not covered Changes to `apps/www` components and routes do not trigger this check — only the four content directories do. A follow-up can check global components such as the navigation and the footer. ## Manual testing 1. Start the site: `pnpm dev:www` 2. Run `pnpm e2e:www` with no www content changed. It should resolve zero pages and skip Playwright, not fail. 3. Touch a post, then run `pnpm e2e:www` again: `echo "" >> apps/www/_blog/2024-01-01-some-post.mdx`. The resolved `/blog/...` path should be listed before Playwright starts. 4. Run against production with no local server: `PLAYWRIGHT_BASE_URL=https://supabase.com WWW_E2E_PAGE_PATHS=/blog/postgres-language-server pnpm e2e:www` 5. Point step 4 at a page with a known heading problem. The failure should name the rule, the CSS selector and the markup. 6. Confirm docs still passes on the shared runner: `pnpm dev:docs`, then `pnpm e2e:docs` <!-- This is an auto-generated comment: release notes by coderabbit.ai --> ## Summary by CodeRabbit * **New Features** * Added WWW end-to-end testing for affected content pages, including accessibility checks. * Added standard and full-site test commands, configurable preview testing, and failure reports. * Added shared utilities for page discovery, accessibility scanning, and test execution. * **Documentation** * Documented WWW test setup, coverage, debugging, CI behavior, and running checks against production or preview environments. * **Improvements** * Updated documentation test workflows to better identify affected changes and handle preview environments. <!-- end of auto-generated comment: release notes by coderabbit.ai --> --------- Co-authored-by: Claude Opus 5 <[email protected]>
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