40 lines
1.4 KiB
TypeScript
40 lines
1.4 KiB
TypeScript
import { afterEach, describe, expect, it, vi } from 'vitest';
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import { fetchState } from './useGameState';
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// The hook's fetch logic (lib/useGameState.ts) against a mocked global fetch — the polling
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// loop itself is plain setInterval and covered by e2e (panes.spec.ts renders from it).
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const SNAPSHOT = {
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account: { cash: 20_000, reputation: 10 },
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simState: { clockMs: 1_750_000_000_000, timeScale: 1, paused: false },
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planes: [],
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packages: [],
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};
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afterEach(() => {
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vi.unstubAllGlobals();
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});
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describe('fetchState', () => {
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it('GETs /api/state with no-store and returns the parsed snapshot on success', async () => {
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const fetchMock = vi.fn(async () => ({ ok: true, status: 200, json: async () => SNAPSHOT }));
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vi.stubGlobal('fetch', fetchMock);
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await expect(fetchState()).resolves.toEqual(SNAPSHOT);
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expect(fetchMock).toHaveBeenCalledTimes(1);
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expect(fetchMock).toHaveBeenCalledWith('/api/state', { cache: 'no-store' });
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});
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it('throws with the HTTP status on a non-2xx response', async () => {
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vi.stubGlobal('fetch', vi.fn(async () => ({ ok: false, status: 500, json: async () => ({}) })));
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await expect(fetchState()).rejects.toThrow('GET /api/state → HTTP 500');
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});
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it('throws on a network failure (no response at all)', async () => {
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vi.stubGlobal('fetch', vi.fn(async () => {
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throw new Error('fetch failed');
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}));
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await expect(fetchState()).rejects.toThrow('fetch failed');
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});
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});
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