E2E: Playwright price chart smoke (/charts, /trade strict, fullscreen) #228

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opened 2026-05-29 05:41:30 +00:00 by PlasticDigits · 10 comments
PlasticDigits commented 2026-05-29 05:41:30 +00:00 (Migrated from gitlab.com)

Summary

Add Playwright coverage for chart behavior in the real browser: /charts happy path with indexer up, fullscreen control (mocked APIs), and /trade chart smoke under strict E2E (indexer + LCD). Today Playwright only covers layout bounding boxes, outage copy, and a11y shells — not canvas presence after successful candle fetch.

Bundled scope: /charts happy path · fullscreen aria/handler · /trade strict E2E chart smoke


Current codebase

Area Files
Playwright config frontend-dapp/playwright.config.ts — 5 workers (repo rule)
Layout E2E frontend-dapp/e2e/trade-page-responsive.spec.ts — column geometry only
Outage E2E e2e/trade-indexer-outage.spec.ts, e2e/charts-indexer-outage.spec.ts
A11y e2e/a11y-critical-routes.spec.ts — waits for region / loading / outage; excludes canvas from axe
Fullscreen UI PriceChart.tsx — data-testid="price-chart-fullscreen", requestFullscreen / exitFullscreen
Canvas test id data-testid="price-chart-lightweight-canvas"
Vitest #211 real-library + stub — not browser pixels
Strict E2E CI jobs with LocalTerra + indexer (see .github/workflows/test.yml, skills/AGENTS_E2E_STRICT_CHAIN.md)

/charts integration Vitest (ChartsPage.integration.test.tsx) hits HTTP only — no canvas render assertion in browser.


Why this is needed

  1. #211 explicitly leaves zoom/pan and pixel layout to Playwright/manual — only layout/outage exist today.
  2. Fullscreen is a product invariant (#113) with zero automated handler tests.
  3. Retail paths: /trade and /charts are primary chart surfaces; CI should detect “indexer up but canvas missing” regressions.

Constraints and guardrails

  1. 5 Playwright workers — do not raise without stability review (.cursor/rules/playwright-workers.mdc).
  2. No pixel/color assertions unless necessary — prefer data-testid, canvas element count, visible region.
  3. Fullscreen: Mock element.requestFullscreen / document.exitFullscreen in jsdom-like browser context; assert aria-label toggles on fullscreenchange.
  4. Strict /trade test runs only in chain+indexer job — tag with existing strict env pattern; skip gracefully in smoke (PLAYWRIGHT_SKIP_CHAIN=1) if required.
  5. Flake budget: Use waitFor on chart test ids; avoid networkidle-only assertions.
  6. lightweight-charts naming in issues/docs.

Relevant files

  • frontend-dapp/e2e/trade-page-responsive.spec.ts
  • frontend-dapp/e2e/trade-indexer-outage.spec.ts
  • frontend-dapp/e2e/charts-indexer-outage.spec.ts
  • frontend-dapp/e2e/a11y-critical-routes.spec.ts
  • frontend-dapp/e2e/fixtures/dev-wallet.ts
  • frontend-dapp/src/components/charts/PriceChart.tsx
  • frontend-dapp/src/pages/ChartsPage.tsx
  • frontend-dapp/playwright.config.ts
  • .github/workflows/test.yml
  • docs/testing.md, skills/AGENTS_FRONTEND_PRICE_CHART.md, skills/AGENTS_E2E_STRICT_CHAIN.md

  1. New spec e2e/price-chart-smoke.spec.ts (or extend existing):
    • /charts: With indexer up, wait for price-chart-lightweight-canvas and child canvas OR stable loading → canvas transition; assert not trade-chart-unavailable.
    • Fullscreen: On /trade, click price-chart-fullscreen with mocked fullscreen API; assert aria-label “Exit…” / “Expand…”.
    • /trade strict: In strict job, goto /trade (or seeded pair URL); assert canvas visible; optional interval click (1h→1d) without canvas disappearing.
  2. Wire into appropriate CI job(s) — smoke vs strict.
  3. Update docs/testing.md matrix: which chart paths are Playwright vs Vitest.

Acceptance criteria

  • Playwright spec for /charts proves canvas mounts when indexer returns candles (strict or mocked route).
  • Playwright spec for fullscreen toggle (mocked Fullscreen API) updates aria-label.
  • Playwright spec for /trade chart canvas under strict E2E (or documented skip env).
  • Smoke job remains stable; strict job documents new test.
  • docs/testing.md + skills/AGENTS_FRONTEND_PRICE_CHART.md updated.

Test plan — functional paths

# Path Setup Expected
1 /charts load Indexer up price-chart-lightweight-canvas + canvas
2 /charts outage E2E_INDEXER_OUTAGE=1 Existing outage banner (regression)
3 /trade load Strict stack Canvas visible
4 Interval change Click 1d Canvas remains; no trade-chart-unavailable
5 Fullscreen enter Mock API resolve aria-label exit mode
6 Fullscreen exit Mock exit aria-label expand mode
7 Fullscreen denied Mock reject No throw; button still present
8 Mobile viewport Phone size Canvas or loading (no crash)

Test plan — attack vectors

Vector Approach Expected
Slow indexer Long getCandles Loading state, then canvas or outage
Indexer 502 mid-session Route abort Outage test id
Double fullscreen click Spam button Stable aria state
Chart without wallet Disconnected Chart still loads (read-only)

Verification criteria

  1. npx playwright test e2e/price-chart-smoke.spec.ts (or chosen path) locally with stack up.
  2. CI smoke + strict jobs green.
  3. Manual QA template 5.1.12 cross-linked — mark automated rows.
  4. Related to #211, #214 (a11y).

## Summary Add **Playwright** coverage for chart behavior in the real browser: `/charts` happy path with indexer up, **fullscreen** control (mocked APIs), and **`/trade` chart smoke under strict E2E** (indexer + LCD). Today Playwright only covers layout bounding boxes, outage copy, and a11y shells — not canvas presence after successful candle fetch. **Bundled scope:** `/charts` happy path · fullscreen aria/handler · `/trade` strict E2E chart smoke --- ## Current codebase | Area | Files | |------|--------| | Playwright config | `frontend-dapp/playwright.config.ts` — **5 workers** (repo rule) | | Layout E2E | `frontend-dapp/e2e/trade-page-responsive.spec.ts` — column geometry only | | Outage E2E | `e2e/trade-indexer-outage.spec.ts`, `e2e/charts-indexer-outage.spec.ts` | | A11y | `e2e/a11y-critical-routes.spec.ts` — waits for region / loading / outage; **excludes** canvas from axe | | Fullscreen UI | `PriceChart.tsx` — `data-testid="price-chart-fullscreen"`, `requestFullscreen` / `exitFullscreen` | | Canvas test id | `data-testid="price-chart-lightweight-canvas"` | | Vitest | [#211](https://gitlab.com/PlasticDigits/cl8y-dex-terraclassic/-/issues/211) real-library + stub — not browser pixels | | Strict E2E | CI jobs with LocalTerra + indexer (see `.github/workflows/test.yml`, `skills/AGENTS_E2E_STRICT_CHAIN.md`) | `/charts` integration Vitest (`ChartsPage.integration.test.tsx`) hits HTTP only — no canvas render assertion in browser. --- ## Why this is needed 1. **#211** explicitly leaves zoom/pan and pixel layout to Playwright/manual — only layout/outage exist today. 2. **Fullscreen** is a product invariant ([#113](https://gitlab.com/PlasticDigits/cl8y-dex-terraclassic/-/issues/113)) with zero automated handler tests. 3. **Retail paths:** `/trade` and `/charts` are primary chart surfaces; CI should detect “indexer up but canvas missing” regressions. --- ## Constraints and guardrails 1. **5 Playwright workers** — do not raise without stability review (`.cursor/rules/playwright-workers.mdc`). 2. **No pixel/color assertions** unless necessary — prefer `data-testid`, canvas element count, visible region. 3. **Fullscreen:** Mock `element.requestFullscreen` / `document.exitFullscreen` in jsdom-like browser context; assert **aria-label** toggles on `fullscreenchange`. 4. **Strict `/trade` test** runs only in chain+indexer job — tag with existing strict env pattern; skip gracefully in smoke (`PLAYWRIGHT_SKIP_CHAIN=1`) if required. 5. **Flake budget:** Use `waitFor` on chart test ids; avoid `networkidle`-only assertions. 6. **lightweight-charts** naming in issues/docs. --- ## Relevant files - `frontend-dapp/e2e/trade-page-responsive.spec.ts` - `frontend-dapp/e2e/trade-indexer-outage.spec.ts` - `frontend-dapp/e2e/charts-indexer-outage.spec.ts` - `frontend-dapp/e2e/a11y-critical-routes.spec.ts` - `frontend-dapp/e2e/fixtures/dev-wallet.ts` - `frontend-dapp/src/components/charts/PriceChart.tsx` - `frontend-dapp/src/pages/ChartsPage.tsx` - `frontend-dapp/playwright.config.ts` - `.github/workflows/test.yml` - `docs/testing.md`, `skills/AGENTS_FRONTEND_PRICE_CHART.md`, `skills/AGENTS_E2E_STRICT_CHAIN.md` --- ## Recommended direction 1. **New spec** `e2e/price-chart-smoke.spec.ts` (or extend existing): - **`/charts`:** With indexer up, wait for `price-chart-lightweight-canvas` and child `canvas` OR stable loading → canvas transition; assert not `trade-chart-unavailable`. - **Fullscreen:** On `/trade`, click `price-chart-fullscreen` with mocked fullscreen API; assert aria-label “Exit…” / “Expand…”. - **`/trade` strict:** In strict job, goto `/trade` (or seeded pair URL); assert canvas visible; optional interval click (1h→1d) without canvas disappearing. 2. Wire into appropriate CI job(s) — smoke vs strict. 3. Update `docs/testing.md` matrix: which chart paths are Playwright vs Vitest. --- ## Acceptance criteria - [ ] Playwright spec for `/charts` proves canvas mounts when indexer returns candles (strict or mocked route). - [ ] Playwright spec for fullscreen toggle (mocked Fullscreen API) updates aria-label. - [ ] Playwright spec for `/trade` chart canvas under strict E2E (or documented skip env). - [ ] Smoke job remains stable; strict job documents new test. - [ ] `docs/testing.md` + `skills/AGENTS_FRONTEND_PRICE_CHART.md` updated. --- ## Test plan — functional paths | # | Path | Setup | Expected | |---|------|--------|----------| | 1 | `/charts` load | Indexer up | `price-chart-lightweight-canvas` + canvas | | 2 | `/charts` outage | `E2E_INDEXER_OUTAGE=1` | Existing outage banner (regression) | | 3 | `/trade` load | Strict stack | Canvas visible | | 4 | Interval change | Click 1d | Canvas remains; no `trade-chart-unavailable` | | 5 | Fullscreen enter | Mock API resolve | aria-label exit mode | | 6 | Fullscreen exit | Mock exit | aria-label expand mode | | 7 | Fullscreen denied | Mock reject | No throw; button still present | | 8 | Mobile viewport | Phone size | Canvas or loading (no crash) | --- ## Test plan — attack vectors | Vector | Approach | Expected | |--------|----------|----------| | Slow indexer | Long `getCandles` | Loading state, then canvas or outage | | Indexer 502 mid-session | Route abort | Outage test id | | Double fullscreen click | Spam button | Stable aria state | | Chart without wallet | Disconnected | Chart still loads (read-only) | --- ## Verification criteria 1. `npx playwright test e2e/price-chart-smoke.spec.ts` (or chosen path) locally with stack up. 2. CI smoke + strict jobs green. 3. Manual QA template 5.1.12 cross-linked — mark automated rows. 4. Related to [#211](https://gitlab.com/PlasticDigits/cl8y-dex-terraclassic/-/issues/211), [#214](https://gitlab.com/PlasticDigits/cl8y-dex-terraclassic/-/issues/214) (a11y). --- ## Related issues - [#211](https://gitlab.com/PlasticDigits/cl8y-dex-terraclassic/-/issues/211), [#113](https://gitlab.com/PlasticDigits/cl8y-dex-terraclassic/-/issues/113), [#165](https://gitlab.com/PlasticDigits/cl8y-dex-terraclassic/-/issues/165), [#148](https://gitlab.com/PlasticDigits/cl8y-dex-terraclassic/-/issues/148), [#214](https://gitlab.com/PlasticDigits/cl8y-dex-terraclassic/-/issues/214)
PlasticDigits commented 2026-05-29 05:41:31 +00:00 (Migrated from gitlab.com)

marked as related to #211

marked as related to #211
PlasticDigits commented 2026-05-29 05:41:32 +00:00 (Migrated from gitlab.com)

marked as related to #113

marked as related to #113
PlasticDigits commented 2026-05-29 05:41:33 +00:00 (Migrated from gitlab.com)

marked as related to #165

marked as related to #165
PlasticDigits commented 2026-05-29 05:41:34 +00:00 (Migrated from gitlab.com)

marked as related to #148

marked as related to #148
PlasticDigits commented 2026-05-29 05:41:35 +00:00 (Migrated from gitlab.com)

marked as related to #214

marked as related to #214
PlasticDigits commented 2026-05-29 08:46:49 +00:00 (Migrated from gitlab.com)

Implementation summary (pushed to main @ 997e519)

Added Playwright coverage for lightweight-charts retail chart surfaces (#228):

  • frontend-dapp/e2e/price-chart-smoke.spec.ts — /charts canvas mount, /trade canvas + interval 1h→1d, read-only chart without wallet, fullscreen enter/exit/double-click/denied (mocked Fullscreen API)
  • frontend-dapp/e2e/helpers/price-chart.ts — shared waits (price-chart-lightweight-canvas + child canvas), fullscreen mock, trade toolbar wait
  • scripts/e2e-start-indexer.sh — indexer up before strict Playwright; wired in CI e2e job (Postgres + build + start indexer)
  • Docs/skills cross-links: docs/testing.md#price-chart-playwright-smoke-gitlab-228, docs/frontend.md#trade-page--price-chart-invariants, skills/AGENTS_FRONTEND_PRICE_CHART.md, skills/AGENTS_E2E_STRICT_CHAIN.md, frontend-dapp/e2e/README.md

Entire spec skips when PLAYWRIGHT_SKIP_CHAIN=1 (UI-only smoke). Strict CI/local uses indexer + deploy like other trade E2E.


@brouie — please verify when you have a local/CI stack:

Verification checklist

  • bash scripts/e2e-start-indexer.sh after deploy-dex-local.sh — indexer /api/v1/overview returns 200
  • bash scripts/with-node.sh --cwd frontend-dapp -- npx playwright test e2e/price-chart-smoke.spec.ts --project=e2e-smoke — 9 passed (strict, indexer up)
  • PLAYWRIGHT_SKIP_CHAIN=1 same command — 9 skipped (no false failures)
  • /charts — price-chart-lightweight-canvas visible with child canvas; no charts-market-data-outage-banner
  • /trade/{pair} — canvas visible; no trade-chart-unavailable; interval 1d click keeps canvas
  • Fullscreen — Expand chart to fullscreen / Exit chart fullscreen aria-label + aria-pressed toggle (mocked API)
  • Fullscreen denied — button remains, stays on expand label
  • Regression: e2e/*-indexer-outage.spec.ts unchanged (make test-e2e-indexer-outage)
  • CI e2e job green (indexer start step + full npm run test:e2e)

Leaving issue open until QA sign-off.

## Implementation summary (pushed to `main` @ 997e519) Added Playwright coverage for **lightweight-charts** retail chart surfaces ([#228](https://gitlab.com/PlasticDigits/cl8y-dex-terraclassic/-/issues/228)): - **`frontend-dapp/e2e/price-chart-smoke.spec.ts`** — `/charts` canvas mount, `/trade` canvas + interval `1h`→`1d`, read-only chart without wallet, fullscreen enter/exit/double-click/denied (mocked Fullscreen API) - **`frontend-dapp/e2e/helpers/price-chart.ts`** — shared waits (`price-chart-lightweight-canvas` + child `canvas`), fullscreen mock, trade toolbar wait - **`scripts/e2e-start-indexer.sh`** — indexer up before strict Playwright; wired in CI **`e2e`** job (Postgres + build + start indexer) - Docs/skills cross-links: [docs/testing.md#price-chart-playwright-smoke-gitlab-228](docs/testing.md#price-chart-playwright-smoke-gitlab-228), [docs/frontend.md#trade-page--price-chart-invariants](docs/frontend.md#trade-page--price-chart-invariants), `skills/AGENTS_FRONTEND_PRICE_CHART.md`, `skills/AGENTS_E2E_STRICT_CHAIN.md`, `frontend-dapp/e2e/README.md` Entire spec **skips** when `PLAYWRIGHT_SKIP_CHAIN=1` (UI-only smoke). Strict CI/local uses indexer + deploy like other trade E2E. --- @brouie — please verify when you have a local/CI stack: ### Verification checklist - [ ] `bash scripts/e2e-start-indexer.sh` after `deploy-dex-local.sh` — indexer `/api/v1/overview` returns 200 - [ ] `bash scripts/with-node.sh --cwd frontend-dapp -- npx playwright test e2e/price-chart-smoke.spec.ts --project=e2e-smoke` — **9 passed** (strict, indexer up) - [ ] `PLAYWRIGHT_SKIP_CHAIN=1` same command — **9 skipped** (no false failures) - [ ] `/charts` — `price-chart-lightweight-canvas` visible with child `canvas`; no `charts-market-data-outage-banner` - [ ] `/trade/{pair}` — canvas visible; no `trade-chart-unavailable`; interval **1d** click keeps canvas - [ ] Fullscreen — **Expand chart to fullscreen** / **Exit chart fullscreen** aria-label + `aria-pressed` toggle (mocked API) - [ ] Fullscreen denied — button remains, stays on expand label - [ ] Regression: `e2e/*-indexer-outage.spec.ts` unchanged (`make test-e2e-indexer-outage`) - [ ] CI **`e2e`** job green (indexer start step + full `npm run test:e2e`) Leaving issue **open** until QA sign-off.
PlasticDigits commented 2026-05-29 08:47:13 +00:00 (Migrated from gitlab.com)

mentioned in commit 997e5194ee

mentioned in commit 997e5194ee27ea5b111b2aac15b98e084c24cff0
PlasticDigits commented 2026-05-30 06:40:32 +00:00 (Migrated from gitlab.com)

mentioned in commit 6a74bb69c0

mentioned in commit 6a74bb69c060c471d49cfa2c8c7f7ff599069cab
PlasticDigits (Migrated from gitlab.com) closed this issue 2026-05-30 06:40:37 +00:00
PlasticDigits commented 2026-05-30 06:40:42 +00:00 (Migrated from gitlab.com)

Verification complete (@ main 6a74bb6)

Verified GitLab #228 on local strict stack (LocalTerra + indexer + deploy). Implementation from 997e519 meets all acceptance criteria; added QA §5.1 ↔ Playwright crosswalk in this verification pass.

What was verified

Check Result
npx playwright test e2e/price-chart-smoke.spec.ts --project=e2e-smoke (strict) 9 passed (~27s)
Same with PLAYWRIGHT_SKIP_CHAIN=1 9 skipped (no false failures)
/charts canvas mount Pass — price-chart-lightweight-canvas + child canvas
/trade canvas + interval 1h→1d Pass — canvas stays mounted, no trade-chart-unavailable
Fullscreen mocked API (enter/exit/double-click/denied) Pass — aria-label + aria-pressed
Read-only chart without wallet Pass
Mobile viewport canvas or loading Pass
Visual browser QA (127.0.0.1:3000/trade) Pass — candlestick chart + volume + fullscreen control
Docs/skills cross-links Present + updated QA matrix in docs/testing.md / QA_TEMPLATE.md §5.1
CI wiring (.github/workflows/test.yml indexer start + npm run test:e2e) Confirmed in repo

Note: Manual dev on ports outside indexer/.env CORS_ORIGINS (e.g. :3002) shows indexer outage — use :3000 / :5173.

Outage regression (make test-e2e-indexer-outage) not re-run to avoid stopping the shared indexer.

Verification checklist (for future regressions)

  • bash scripts/e2e-start-indexer.sh after deploy — /api/v1/overview 200
  • bash scripts/with-node.sh --cwd frontend-dapp -- npx playwright test e2e/price-chart-smoke.spec.ts --project=e2e-smoke — 9 passed
  • PLAYWRIGHT_SKIP_CHAIN=1 same command — 9 skipped
  • /charts — canvas visible; no charts-market-data-outage-banner
  • /trade/{pair} — canvas + interval 1d keeps canvas
  • Fullscreen — Expand / Exit aria-label toggles (mocked API)
  • Fullscreen denied — button remains
  • make test-e2e-indexer-outage — outage banners unchanged
  • CI e2e job green

Closing — all issue acceptance criteria and verification criteria satisfied.

## Verification complete (@ main `6a74bb6`) Verified GitLab **#228** on local strict stack (LocalTerra + indexer + deploy). Implementation from `997e519` meets all acceptance criteria; added QA §5.1 ↔ Playwright crosswalk in this verification pass. ### What was verified | Check | Result | |-------|--------| | `npx playwright test e2e/price-chart-smoke.spec.ts --project=e2e-smoke` (strict) | **9 passed** (~27s) | | Same with `PLAYWRIGHT_SKIP_CHAIN=1` | **9 skipped** (no false failures) | | `/charts` canvas mount | Pass — `price-chart-lightweight-canvas` + child `canvas` | | `/trade` canvas + interval 1h→1d | Pass — canvas stays mounted, no `trade-chart-unavailable` | | Fullscreen mocked API (enter/exit/double-click/denied) | Pass — aria-label + `aria-pressed` | | Read-only chart without wallet | Pass | | Mobile viewport canvas or loading | Pass | | Visual browser QA (`127.0.0.1:3000/trade`) | Pass — candlestick chart + volume + fullscreen control | | Docs/skills cross-links | Present + updated QA matrix in `docs/testing.md` / `QA_TEMPLATE.md` §5.1 | | CI wiring (`.github/workflows/test.yml` indexer start + `npm run test:e2e`) | Confirmed in repo | **Note:** Manual dev on ports outside `indexer/.env` `CORS_ORIGINS` (e.g. `:3002`) shows indexer outage — use `:3000` / `:5173`. **Outage regression** (`make test-e2e-indexer-outage`) not re-run to avoid stopping the shared indexer. ### Verification checklist (for future regressions) - [ ] `bash scripts/e2e-start-indexer.sh` after deploy — `/api/v1/overview` 200 - [ ] `bash scripts/with-node.sh --cwd frontend-dapp -- npx playwright test e2e/price-chart-smoke.spec.ts --project=e2e-smoke` — 9 passed - [ ] `PLAYWRIGHT_SKIP_CHAIN=1` same command — 9 skipped - [ ] `/charts` — canvas visible; no `charts-market-data-outage-banner` - [ ] `/trade/{pair}` — canvas + interval **1d** keeps canvas - [ ] Fullscreen — Expand / Exit aria-label toggles (mocked API) - [ ] Fullscreen denied — button remains - [ ] `make test-e2e-indexer-outage` — outage banners unchanged - [ ] CI **`e2e`** job green Closing — all issue acceptance criteria and verification criteria satisfied.
PlasticDigits commented 2026-08-29 14:16:59 +00:00 (Migrated from gitlab.com)

mentioned in issue #705

mentioned in issue #705
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