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test(determinism): deterministic waits + stableShot screenshots; drop blind sleeps/ifs/retries

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Make the Playwright e2e + kicad suites deterministic so screenshot flake stops
tracing to timing races.

- Blind page.waitForTimeout -> condition waits (expect.poll, web-first
  assertions, waitUntil) + readiness helpers (waitForWxApp, waitForCanvasApp).
  Remaining sleeps are documented interaction dwells (annotated).
- Defensive "if element exists" branches -> loud asserts; label-fallback chains
  -> normalized clickMenuItemByText. First-run wizard for/if loops removed by
  seeding calculator/gerbview/pcbnew HTMLs.
- Screenshots: new stableShot(page, name) settles the render in-page (canvas
  hash over rAF) then writes a raw PNG to test-results/ for the existing offline
  gate (tools/screenshots vs baseline-screenshots). Replaces toHaveScreenshot,
  which did inline compare + its own baselines and had decoupled the specs from
  the real gate. scale:'css' pinned.
- retries: 0 in both configs.
- Guard: tests/tools/lint-determinism.ts (npm run lint:determinism) bans blind
  sleeps / toHaveScreenshot / inline retries / swallowed catches in specs;
  documented exceptions carry a marker. Rules in tests/TESTING.md.

Assertions, coverage, and renders unchanged (semantic-equivalence reviewed;
captures pixel-identical modulo inherent timer/timestamp/3d-raytrace variance).
Both suites green at retries:0 (e2e 340, kicad 92); ~35-61% faster.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01BVX1pHMvRPYHdp6ZfEawrk
This commit is contained in:
Viktor Vaczi 2026-07-07 10:50:24 +02:00
commit 4c3a4cacd4
102 changed files with 2867 additions and 3407 deletions
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41
tests/e2e/gridrenderers.spec.ts
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@ -1,77 +1,60 @@
// wxGrid Custom Cell Renderers Tests - Color cells, icon+text, striped rows
import { test, expect, tryLoadApp } from './utils/fixtures';
import { clickTab, clickGridCell } from './utils/element-tracker';
import { test, expect } from './utils/fixtures';
import { clickTab, clickGridCell, waitForWxApp, stableShot } from './utils/element-tracker';
test.describe('wxGrid Custom Cell Renderers Tests', () => {
test('Grid renderers test app loads successfully', async ({ page, testLogger }) => {
await page.goto('/standalone/gridrenderers/gridrenderers_test.html');
const loaded = await tryLoadApp(page);
await waitForWxApp(page);
await page.screenshot({ path: 'test-results/gridrenderers-01-loaded.png', fullPage: true });
await stableShot(page, 'gridrenderers-01-loaded.png', { fullPage: true });
expect(loaded, 'Grid renderers app should load').toBe(true);
expect(testLogger.errors.filter(e => !e.includes('favicon'))).toHaveLength(0);
});
test('Color cells tab displays color swatches', async ({ page, testLogger }) => {
await page.goto('/standalone/gridrenderers/gridrenderers_test.html');
const loaded = await tryLoadApp(page);
expect(loaded, 'App should load').toBe(true);
await page.waitForTimeout(300);
await waitForWxApp(page);
// Color Cells tab should be visible by default
await page.screenshot({ path: 'test-results/gridrenderers-02-color-cells.png', fullPage: true });
await stableShot(page, 'gridrenderers-02-color-cells.png', { fullPage: true });
});
test('Icon+Text tab displays icons with text', async ({ page, testLogger }) => {
await page.goto('/standalone/gridrenderers/gridrenderers_test.html');
const loaded = await tryLoadApp(page);
expect(loaded, 'App should load').toBe(true);
await page.waitForTimeout(300);
await waitForWxApp(page);
// Click Icon+Text tab using element registry
const clicked = await clickTab(page, 'Icon+Text');
expect(clicked, 'Icon+Text tab should be found').toBe(true);
await page.waitForTimeout(200);
await page.screenshot({ path: 'test-results/gridrenderers-03-icon-text.png', fullPage: true });
await stableShot(page, 'gridrenderers-03-icon-text.png', { fullPage: true });
});
test('Striped rows tab displays alternating colors', async ({ page, testLogger }) => {
await page.goto('/standalone/gridrenderers/gridrenderers_test.html');
const loaded = await tryLoadApp(page);
expect(loaded, 'App should load').toBe(true);
await page.waitForTimeout(300);
await waitForWxApp(page);
// Click Striped+Checkboxes tab using element registry
const clicked = await clickTab(page, 'Striped+Checkboxes');
expect(clicked, 'Striped+Checkboxes tab should be found').toBe(true);
await page.waitForTimeout(200);
await page.screenshot({ path: 'test-results/gridrenderers-04-striped.png', fullPage: true });
await stableShot(page, 'gridrenderers-04-striped.png', { fullPage: true });
});
test('Checkbox cells can be toggled in striped grid', async ({ page, testLogger }) => {
await page.goto('/standalone/gridrenderers/gridrenderers_test.html');
const loaded = await tryLoadApp(page);
expect(loaded, 'App should load').toBe(true);
await page.waitForTimeout(300);
await waitForWxApp(page);
// Go to Striped+Checkboxes tab using element registry
const tabClicked = await clickTab(page, 'Striped+Checkboxes');
expect(tabClicked, 'Striped+Checkboxes tab should be found').toBe(true);
await page.waitForTimeout(200);
// Click on a checkbox cell (DNP column - row 2, col 2 based on typical grid structure)
const cellClicked = await clickGridCell(page, 2, 2);
expect(cellClicked, 'Checkbox cell should be found').toBe(true);
await page.waitForTimeout(200);
await page.screenshot({ path: 'test-results/gridrenderers-05-checkbox-toggle.png', fullPage: true });
await stableShot(page, 'gridrenderers-05-checkbox-toggle.png', { fullPage: true });
});
});