130 lines
6.9 KiB
TypeScript
130 lines
6.9 KiB
TypeScript
import { afterEach, describe, expect, it, vi } from 'vitest';
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import { createProvisioningRefresh, type ProvisioningRefreshState } from '../../src/lib/ui/provisioning-refresh.js';
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type Detail = { id: string; revision: number };
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const detail = (id: string, revision = 1): Detail => ({ id, revision });
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const response = (id: string, revision = 1) => Response.json(detail(id, revision));
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const controllers: { dispose: () => void }[] = [];
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afterEach(() => { controllers.splice(0).forEach(controller => controller.dispose()); vi.useRealTimers(); });
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function setup(fetcher: typeof fetch) {
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let state!: ProvisioningRefreshState<Detail>;
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const onChange = vi.fn(value => { state = value; });
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const controller = createProvisioningRefresh<Detail>({ fetcher, onChange, timeoutMs: 100,
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validate: (value, id): value is Detail => !!value && typeof value === 'object' && (value as Detail).id === id,
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now: () => '2026-09-28T12:00:00Z' });
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controllers.push(controller);
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return { ...controller, onChange, state: () => state };
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}
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function deferred() {
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let resolve!: (value: Response) => void;
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let reject!: (error: Error) => void;
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const promise = new Promise<Response>((done, fail) => { resolve = done; reject = fail; });
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return { promise, resolve, reject };
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}
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describe('provisioning detail refresh ownership', () => {
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it('sends explicit override confirmation and refreshes the operation after acceptance', async () => {
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const fetcher = vi.fn().mockResolvedValueOnce(Response.json({ ok: true })).mockResolvedValueOnce(response('a', 2));
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const page = setup(fetcher);
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page.setOperation('a', detail('a'));
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await page.act('override', 'Override enabled.', { confirmed: true });
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expect(fetcher).toHaveBeenNthCalledWith(1, '/api/provisioning/a/override', expect.objectContaining({
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method: 'POST', headers: { 'Content-Type': 'application/json' }, body: '{"confirmed":true}'
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}));
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expect(page.state()).toMatchObject({ detail: detail('a', 2), notice: 'Override enabled.', busy: null });
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});
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it('uses the server snapshot without another initial request and coalesces background reads', async () => {
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const pending = deferred();
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const fetcher = vi.fn(() => pending.promise);
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const page = setup(fetcher);
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page.setOperation('a', detail('a'), '2026-09-28T11:59:00Z');
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expect(fetcher).not.toHaveBeenCalled();
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const first = page.refresh();
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const second = page.refresh();
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expect(fetcher).toHaveBeenCalledTimes(1);
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pending.resolve(response('a', 2));
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await Promise.all([first, second]);
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expect(page.state()).toMatchObject({ detail: detail('a', 2), refreshing: false, refreshedAt: '2026-09-28T12:00:00Z' });
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});
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it('ignores obsolete success and failure across A → B → A, even when transport ignores abort', async () => {
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const oldA = deferred(), oldB = deferred(), newA = deferred();
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const fetcher = vi.fn().mockReturnValueOnce(oldA.promise).mockReturnValueOnce(oldB.promise).mockReturnValueOnce(newA.promise);
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const page = setup(fetcher);
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page.setOperation('a', detail('a'));
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const first = page.refresh();
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page.setOperation('b', detail('b'));
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const second = page.refresh();
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page.setOperation('a', detail('a', 3));
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const third = page.refresh();
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newA.resolve(response('a', 4));
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await third;
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oldA.resolve(response('a', 0));
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oldB.reject(new Error('Obsolete failure'));
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await Promise.all([first, second]);
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expect(page.state()).toMatchObject({ id: 'a', detail: detail('a', 4), loadError: '', refreshing: false });
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});
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it('invalidates a pending poll and reconciles an accepted mutation before old data can return', async () => {
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const old = deferred();
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const fetcher = vi.fn().mockReturnValueOnce(old.promise).mockResolvedValueOnce(Response.json({ ok: true }))
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.mockResolvedValueOnce(response('a', 3));
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const page = setup(fetcher);
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page.setOperation('a', detail('a'));
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const polling = page.refresh();
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await page.act('resume', 'Verification resumed.');
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old.resolve(response('a', 2));
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await polling;
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expect(fetcher).toHaveBeenCalledTimes(3);
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expect(page.state()).toMatchObject({ detail: detail('a', 3), notice: 'Verification resumed.', busy: null, loadError: '', actionError: '' });
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});
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it('retains accepted-action feedback if reconciliation fails, and action errors survive successful polls', async () => {
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const fetcher = vi.fn().mockResolvedValueOnce(Response.json({ ok: true }))
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.mockRejectedValueOnce(new Error('Offline'))
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.mockResolvedValueOnce(Response.json({ error: 'Removal already began.' }, { status: 409 }))
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.mockResolvedValueOnce(response('a', 2)).mockResolvedValueOnce(response('a', 3));
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const page = setup(fetcher);
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page.setOperation('a', detail('a'));
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await page.act('resume', 'Resume accepted.');
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expect(page.state()).toMatchObject({ notice: 'Resume accepted.', loadError: 'Offline', actionError: '', detail: detail('a') });
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await page.act('cancel', 'Cancelled.');
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await page.refresh();
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expect(page.state()).toMatchObject({ actionError: 'Removal already began.', notice: '', loadError: '', detail: detail('a', 3) });
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});
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it('does not duplicate mutations or poll during them and ignores completion after navigation', async () => {
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const action = deferred();
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const fetcher = vi.fn(() => action.promise);
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const page = setup(fetcher);
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page.setOperation('a', detail('a'));
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const first = page.act('resume', 'Resumed.');
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await page.act('resume', 'Resumed twice.');
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await page.refresh();
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expect(fetcher).toHaveBeenCalledTimes(1);
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page.setOperation('b', detail('b'));
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action.resolve(Response.json({ ok: true }));
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await first;
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expect(fetcher).toHaveBeenCalledTimes(1);
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expect(page.state()).toMatchObject({ id: 'b', busy: null, notice: '', actionError: '' });
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});
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it('times out reads without discarding the last snapshot and suppresses updates after unmount', async () => {
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vi.useFakeTimers();
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const fetcher = vi.fn((_url, init) => new Promise<Response>((_, reject) => {
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init?.signal?.addEventListener('abort', () => reject(new Error('aborted')));
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})) as typeof fetch;
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const page = setup(fetcher);
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page.setOperation('a', detail('a'));
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const pending = page.refresh();
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await vi.advanceTimersByTimeAsync(100);
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await pending;
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expect(page.state()).toMatchObject({ detail: detail('a'), loadError: 'Operation refresh timed out. Try again.', refreshing: false });
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const next = page.refresh();
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page.dispose();
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const calls = page.onChange.mock.calls.length;
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await next;
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expect(page.onChange).toHaveBeenCalledTimes(calls);
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});
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});
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