52 lines
1.8 KiB
JavaScript
52 lines
1.8 KiB
JavaScript
// Generated, do not edit. sha256:4bf1820de70357b7a7e29ccee6fc599f970ee70dfc5b2f00ce791c38d33bc92e
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import { describe, it, mock, afterEach } from 'node:test';
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import assert from 'node:assert/strict';
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const { fetchJson } = await import('../../client/price/btc-explorer.js');
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const echteFetch = globalThis.fetch;
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afterEach(() => { globalThis.fetch = echteFetch; mock.timers.reset(); });
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async function uitzitten(belofte) {
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let klaar = false;
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const uit = belofte.then(v => ({ v }), e => ({ e })).finally(() => { klaar = true; });
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while (!klaar) {
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await new Promise(r => setImmediate(r));
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mock.timers.runAll();
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}
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return uit;
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}
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const ok = body => ({ ok: true, status: 200, json: async () => body });
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const status = s => ({ ok: false, status: s, json: async () => ({}) });
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describe('fetchJson: opnieuw proberen', () => {
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it('zit drie netwerkfouten uit en geeft dan het antwoord', async () => {
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mock.timers.enable({ apis: ['setTimeout'] });
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let n = 0;
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globalThis.fetch = async () => { if (++n <= 3) throw new TypeError('Failed to fetch'); return ok({ x: 1 }); };
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const { v, e } = await uitzitten(fetchJson('https://x/api', 'X'));
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assert.equal(e, undefined);
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assert.deepEqual(v, { x: 1 });
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assert.equal(n, 4);
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});
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it('geeft na de vierde mislukte poging de fout van de laatste', async () => {
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mock.timers.enable({ apis: ['setTimeout'] });
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let n = 0;
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globalThis.fetch = async () => { n++; return status(429); };
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const { e } = await uitzitten(fetchJson('https://x/api', 'X'));
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assert.ok(e);
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assert.equal(n, 4);
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});
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it('probeert een 404 niet opnieuw', async () => {
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mock.timers.enable({ apis: ['setTimeout'] });
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let n = 0;
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globalThis.fetch = async () => { n++; return status(404); };
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const { e } = await uitzitten(fetchJson('https://x/api', 'X'));
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assert.ok(e);
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assert.equal(n, 1);
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});
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});
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