refactor: mock os

Author: BioPhoton

packages/utils/src/lib/profiler/trace-file-utils.ts

@@ -1,3 +1,4 @@
+import os from 'node:os';
 import type {
   PerformanceEntry,
   PerformanceMark,
@@ -292,7 +293,7 @@ export function getTraceMetadata({
     source: 'DevTools',
     startTime: parsedStartDate,
     dataOrigin: 'TraceEvents',
-    hardwareConcurrency: navigator.hardwareConcurrency,
+    hardwareConcurrency: os.availableParallelism(),
     ...metadata,
   };
 }

testing/test-setup-config/src/lib/vitest-setup-files.ts

@@ -27,7 +27,7 @@ const UNIT_TEST_SETUP_FILES = [
   '../../testing/test-setup/src/lib/performance.setup-file.ts',
   '../../testing/test-setup/src/lib/portal-client.mock.ts',
   '../../testing/test-setup/src/lib/process.setup-file.ts',
-  '../../testing/test-setup/src/lib/navigator.setup-file.ts',
+  '../../testing/test-setup/src/lib/os.setup-file.ts',
   ...CUSTOM_MATCHERS,
 ] as const;
 

testing/test-setup/src/lib/navigator.setup-file.ts

@@ -0,0 +1,14 @@
+import os from 'node:os';
+import { afterEach, beforeEach, vi } from 'vitest';
+
+export const MOCK_AVAILABLE_PARALLELISM = 1;
+
+const availableParallelismMock = vi.spyOn(os, 'availableParallelism');
+
+beforeEach(() => {
+  availableParallelismMock.mockReturnValue(MOCK_AVAILABLE_PARALLELISM);
+});
+
+afterEach(() => {
+  availableParallelismMock.mockClear();
+});