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Playwright e2e

Skill ahtishamshahzad/agent_dev_flow/.ai/skills/testing/playwright-e2e

Use to plan web/dashboard end-to-end tests with Playwright — a small set of critical user journeys against a real browser and running app, resilient to timing (auto-wait, no sleeps), covering happy path plus key invalid/error/authorization-denied flows. Reserved for flows that justify E2E cost.From its SKILL.md

Install
npx -y skills add ahtishamshahzad/agent_dev_flow --skill playwright-e2e

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SKILL.md

4.7 KB, ~1.0k tokens by cl100k_base, as published. Nobody here has run it

Playwright E2E

Purpose

Verify critical web/dashboard journeys work end-to-end in a real browser against the running app — the few flows whose breakage is unacceptable — using Playwright, kept small, stable, and meaningful because E2E is the slowest, most expensive tier.

When to Use

  • For a handful of business-critical browser journeys (signup→onboard, checkout, core dashboard workflow).
  • Not for logic (unit-testing), API behavior (api-integration-testing), broad UI coverage (Testing Library), or mobile (maestro-e2e).

Inputs

  • Selected web/dashboard app + its critical journeys (testing-selection).
  • A running app + test environment (test-environment-management), seeded data (test-data-management).

Discovery Questions

  • Which 3–10 journeys are truly critical (revenue, auth, data-integrity) — the ones worth E2E?
  • What environment do they run against (ephemeral/staging with known seed state)?
  • Which flows include authorization boundaries worth an end-to-end denial check?

Responsibilities

  • Cover critical journeys end-to-end: the happy path through the real UI, plus the key invalid-input, error, and authorization-denied variants that matter at the journey level (e.g. a user can't reach another user's dashboard).
  • Write resilient selectors and waits: role/label/test-id locators (../../mobile/mobile-accessibility parity), Playwright auto-waiting — never fixed sleeps, which cause flakiness (flaky-test-audit).
  • Control data and state: seed via API/factory before the run, clean up after; deterministic starting state, no dependence on leftover data.
  • Keep the suite small and fast enough to run in CI on the web app's pipeline (../../devops/ci-cd); parallelize; capture traces/screenshots on failure for triage.
  • Keep E2E as the top of the pyramid — push detailed cases down to component/API tests; don't recreate them here.

Required Workflow

  1. Pick the critical journeys (few, high-value).
  2. Set up a running app + seeded, isolated state.
  3. Script each journey with resilient locators + auto-wait; add key denial/error variants.
  4. Wire into the web CI pipeline with failure artifacts.
  5. Keep the set small; move detail down the pyramid.

Decision Rules

  • If a case can be covered at component or API level, it belongs there — E2E is for whole-journey integration only.
  • No fixed sleeps — auto-wait on state; timing hacks are future flakes.
  • Test IDs / roles over brittle CSS/text selectors.
  • A flaky E2E test is worse than none — stabilize or remove (flaky-test-audit).

Rules

  • Deterministic seed state per run; tests own their data.
  • Runs against a real running app, not mocks-all-the-way.
  • Failures produce traces/screenshots for diagnosis.

Anti-Patterns

  • E2E-testing every field and edge case (slow, flaky pyramid inversion).
  • waitForTimeout/sleeps sprinkled to "fix" flakiness.
  • Brittle selectors tied to DOM structure or copy.
  • Shared state across tests causing order dependence.
  • Reproducing unit/API coverage in the browser.

Validation Checklist

  • Critical journeys selected (few, high-value).
  • Happy path + key invalid/error/authorization-denied variants.
  • Resilient locators + auto-wait; no sleeps.
  • Deterministic seeded, isolated state.
  • CI-wired with failure artifacts; suite kept small.

Definition of Done

A small, stable Playwright suite covering the critical web journeys end-to-end — happy path plus key denial/error variants — with resilient waits, deterministic data, and CI integration producing failure traces.

Related Skills

testing-selection, ../../mobile/mobile-maestro-e2e, maestro-e2e, smoke-testing, visual-regression, test-data-management, test-environment-management, flaky-test-audit, ../../devops/ci-cd.

Related Knowledge

../../../knowledge/ (critical journeys).

Related References

../../../references/testing/ (E2E patterns, when populated).

Context Loading Guidance

  • Requires: critical journey list, running-app/test-env access, seed strategy.
  • Does not require: unit internals, unrelated screens.
  • May load: test-data-management, flaky-test-audit.
  • Stop when: critical journeys pass stably in CI.

Token Efficiency Guidance

List the journeys and their variants; that list bounds the suite. Don't enumerate every UI state — those live lower in the pyramid.

What ships with it

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