mirror of
https://github.com/mauriceboe/TREK.git
synced 2026-06-19 13:21:46 +00:00
jubnl
d8da0fffa5
Three interrelated issues caused 4 tests to pass locally but fail on CI: 1. setup.ts only applied the URL.createObjectURL stub when it was undefined, but jsdom already defines it (returning ''). Changed to always override with configurable:true so the predictable 'blob:mock' value is set in every environment. 2. FE-API-013 used Object.defineProperty (non-configurable in jsdom) and MSW to handle a native fetch call. Replaced with vi.spyOn for both URL.createObjectURL/revokeObjectURL and a direct fetch mock, which is more reliable across environments. 3. FE-COMP-AUTHURL-012's vi.spyOn(URL, 'createObjectURL') returned the same vi.fn() instance set in setup.ts, accumulating calls from all prior tests in the file (1+8+7+6=22 instead of 6). Added mockClear() immediately after the spy setup to reset the count.
69 lines
2.5 KiB
TypeScript
69 lines
2.5 KiB
TypeScript
import '@testing-library/jest-dom/vitest';
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import { cleanup } from '@testing-library/react';
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import { afterAll, afterEach, beforeAll, vi } from 'vitest';
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import { server } from './helpers/msw/server';
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// Mock the websocket module so stores don't try to open real connections
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vi.mock('../src/api/websocket', () => ({
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connect: vi.fn(),
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disconnect: vi.fn(),
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getSocketId: vi.fn(() => null),
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setRefetchCallback: vi.fn(),
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}));
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// MSW lifecycle
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beforeAll(() => server.listen({ onUnhandledRequest: 'warn' }));
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afterEach(() => {
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server.resetHandlers();
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cleanup();
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localStorage.clear();
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sessionStorage.clear();
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});
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afterAll(() => server.close());
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// ── jsdom stubs ────────────────────────────────────────────────────────────────
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// window.matchMedia — used by dark mode / responsive components
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Object.defineProperty(window, 'matchMedia', {
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writable: true,
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value: vi.fn().mockImplementation((query: string) => ({
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matches: false,
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media: query,
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onchange: null,
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addListener: vi.fn(),
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removeListener: vi.fn(),
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addEventListener: vi.fn(),
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removeEventListener: vi.fn(),
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dispatchEvent: vi.fn(),
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})),
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});
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// IntersectionObserver — used by lazy loading
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// Must use a class or regular function (not arrow function) so 'new IntersectionObserver()' works
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class _MockIntersectionObserver {
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observe = vi.fn()
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unobserve = vi.fn()
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disconnect = vi.fn()
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root = null
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rootMargin = ''
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thresholds: ReadonlyArray<number> = []
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takeRecords = vi.fn(() => [])
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constructor(_callback: IntersectionObserverCallback, _options?: IntersectionObserverInit) {}
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}
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globalThis.IntersectionObserver = _MockIntersectionObserver as unknown as typeof IntersectionObserver;
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// ResizeObserver — used by resizable panels
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globalThis.ResizeObserver = vi.fn().mockImplementation(() => ({
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observe: vi.fn(),
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unobserve: vi.fn(),
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disconnect: vi.fn(),
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})) as unknown as typeof ResizeObserver;
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// URL.createObjectURL / revokeObjectURL — jsdom defines these but returns '' for createObjectURL;
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// always override so tests get a predictable 'blob:mock' string.
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Object.defineProperty(URL, 'createObjectURL', { writable: true, configurable: true, value: vi.fn(() => 'blob:mock') });
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Object.defineProperty(URL, 'revokeObjectURL', { writable: true, configurable: true, value: vi.fn() });
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// Element.prototype.scrollIntoView — jsdom doesn't implement it
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Element.prototype.scrollIntoView = vi.fn();
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