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test: add deterministic resilience matrix

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This commit is contained in:
LucaP
2026-09-02 07:24:48 +03:00
parent 5abd1c19ae
commit 8089d061ec
21 changed files with 809 additions and 22 deletions
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76
tests/browser/context-loss.spec.ts Normal file
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import { expect, test } from '../helpers/serve-dist';
import {
assertSemanticFaultOracle,
authorizedFaultUrl,
collectBrowserErrors,
readUnhandledRejections,
triggerFaultAction,
} from '../helpers/test-build-auth';
import { installSceneInstrumentation, readSceneInstrumentation } from '../helpers/scene-instrumentation';
test.beforeEach(async ({ page }, testInfo) => {
test.skip(testInfo.project.name !== 'desktop-chromium', 'Lifecycle faults run once on current desktop Chromium.');
await installSceneInstrumentation(page);
});
const assertContained = async (page: import('@playwright/test').Page, pageErrors: readonly string[]): Promise<void> => {
expect(pageErrors).toEqual([]);
expect(await readUnhandledRejections(page)).toEqual([]);
const resources = await readSceneInstrumentation(page);
expect(resources.unhandledRejections).toEqual([]);
expect(resources.maximumCanvasCount).toBeLessThanOrEqual(1);
expect(resources.activeAnimationFrames).toBeLessThanOrEqual(1);
};
test('F4 restores one visible lost context before the five-second cutoff', async ({ page, distUrl }) => {
const errors = await collectBrowserErrors(page);
await page.goto(authorizedFaultUrl(distUrl, 'F4-context-loss-restore'), { waitUntil: 'domcontentloaded' });
await expect(page.locator('.journey-world')).toHaveAttribute('data-scene-state', 'running');
const firstGeneration = await page.locator('.journey-world').getAttribute('data-scene-generation');
await triggerFaultAction(page, 'context-loss');
await expect(page.locator('.journey-world')).toHaveAttribute('data-scene-state', 'loading');
await triggerFaultAction(page, 'context-restore');
await expect(page.locator('.journey-world')).toHaveAttribute('data-scene-state', 'running');
await expect(page.locator('.journey-world')).not.toHaveAttribute('data-scene-generation', firstGeneration ?? '');
await expect(page.locator('.journey-canvas')).toHaveCount(1);
await assertSemanticFaultOracle(page);
await assertContained(page, errors.pageErrors);
});
test('F5 defers a hidden restoration until the first visible lifecycle task', async ({ page, distUrl }) => {
const errors = await collectBrowserErrors(page);
await page.goto(authorizedFaultUrl(distUrl, 'F5-hidden-context-loss'), { waitUntil: 'domcontentloaded' });
await expect(page.locator('.journey-world')).toHaveAttribute('data-scene-state', 'running');
await page.evaluate(() => window.dispatchEvent(new PageTransitionEvent('pagehide', { persisted: true })));
await expect(page.locator('.journey-world')).toHaveAttribute('data-scene-state', 'paused');
await triggerFaultAction(page, 'context-loss');
await triggerFaultAction(page, 'context-restore');
await expect(page.locator('.journey-world')).toHaveAttribute('data-scene-state', 'loading');
await page.evaluate(() => window.dispatchEvent(new PageTransitionEvent('pageshow', { persisted: true })));
await expect(page.locator('.journey-world')).toHaveAttribute('data-scene-state', 'running');
await expect(page.locator('.journey-canvas')).toHaveCount(1);
await assertSemanticFaultOracle(page);
await assertContained(page, errors.pageErrors);
});
test('F6 makes a later context loss terminal for the session', async ({ page, distUrl }) => {
const errors = await collectBrowserErrors(page);
await page.goto(authorizedFaultUrl(distUrl, 'F6-repeated-context-loss'), { waitUntil: 'domcontentloaded' });
await expect(page.locator('.journey-world')).toHaveAttribute('data-scene-state', 'running');
await triggerFaultAction(page, 'context-loss');
await triggerFaultAction(page, 'context-restore');
await expect(page.locator('.journey-world')).toHaveAttribute('data-scene-state', 'running');
await triggerFaultAction(page, 'context-loss');
await expect(page.locator('.journey-world')).toHaveAttribute('data-scene-state', 'static');
await expect(page.locator('.journey-world')).toHaveAttribute('data-static-fallback', 'true');
await expect(page.locator('.journey-canvas')).toHaveCount(0);
await expect(page.locator('.drive-controls__status')).toHaveText('Visuals unavailable');
await assertSemanticFaultOracle(page);
await assertContained(page, errors.pageErrors);
});