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workinf_Blender_Wasm/web/tests/e2e/pthread-fallback.spec.ts
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2026-08-15 17:43:53 -04:00

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TypeScript

import { expect, test } from "@playwright/test";
test("cleans an initialized pthread attempt before one single fallback", async ({ page }) => {
const variantRequests: string[] = [];
page.on("request", (request) => {
const pathname = new URL(request.url()).pathname;
if (pathname.startsWith("/vendor/blender/single/") || pathname.startsWith("/vendor/blender/pthread/")) {
variantRequests.push(pathname);
}
});
await page.goto("/");
await expect(page.locator(".status-bar")).toContainText("Manifest: verified");
variantRequests.length = 0;
const report = await page.evaluate(async () => {
const { detectBrowserCapabilities } = await import("/src/platform/capabilities.ts");
const {
bootstrapWebEngineRelease,
engineVariantStatusLabel,
} = await import("/src/engine-client/engine-variant-bootstrap.ts");
const { createBrowserEngineVariantSession } = await import("/src/engine-client/browser-engine-variant-session.ts");
const manifest = await fetch("/engine-manifest.json", { cache: "no-store" }).then((response) => response.json());
const outcome = await bootstrapWebEngineRelease(
manifest.releaseId,
manifest,
"AUTO",
detectBrowserCapabilities(),
{ initialize: createBrowserEngineVariantSession },
undefined,
{ failPthreadAfterInitialize: true, seedTrackedPthreadResources: true },
);
if (!outcome.session) throw new Error("current release unexpectedly requires refresh");
const activeBeforeDispose = outcome.session.resourceState();
const label = engineVariantStatusLabel(outcome.result);
const activeAfterDispose = await outcome.session.dispose();
return { result: outcome.result, activeBeforeDispose, activeAfterDispose, label };
});
expect(report.result).toMatchObject({
status: "READY",
selected: "single",
attempted: ["pthread", "single"],
fallbackReason: {
code: "PTHREAD_INITIALIZATION_FAILED",
message: "TEST_PTHREAD_INITIALIZATION_FAILURE",
},
openCount: 0,
failedAttemptCleanup: { handles: 0, workers: 0, timers: 0, pendingRequests: 0 },
});
expect(report.activeBeforeDispose).toEqual({ handles: 1, workers: 0, timers: 0, pendingRequests: 0 });
expect(report.activeAfterDispose).toEqual({ handles: 0, workers: 0, timers: 0, pendingRequests: 0 });
expect(report.label).toBe("Runtime: single (pthread fallback: PTHREAD_INITIALIZATION_FAILED)");
expect(report.label).not.toMatch(/pthread\s+ready/i);
expect(variantRequests.filter((url) => url.endsWith("/pthread/web_engine.wasm"))).toHaveLength(1);
expect(variantRequests.filter((url) => url.endsWith("/single/web_engine.wasm"))).toHaveLength(1);
expect(variantRequests.filter((url) => url.endsWith("/pthread/web_engine.js")).length).toBeGreaterThanOrEqual(3);
expect(variantRequests.filter((url) => url.endsWith("/single/web_engine.js")).length).toBeGreaterThanOrEqual(2);
});