Analytics: Heatmap-Endpunkt nachgeschaerft
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
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@@ -14,7 +14,8 @@ export function signHeatToken({ siteKey, path, vp, exp }, secret) {
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}
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// Liefert { siteKey, path, vp, exp } oder null (Signatur, Format, abgelaufen, > 30 Min voraus).
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export function verifyHeatToken(token, secret, nowMs) {
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// ignoreExpiry: nur Signatur und Format prüfen (um die Website eines abgelaufenen Links zu erkennen).
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export function verifyHeatToken(token, secret, nowMs, { ignoreExpiry = false } = {}) {
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if (!secret || typeof token !== 'string') return null;
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const m = /^([A-Za-z0-9_-]+)\.([0-9a-f]{64})$/.exec(token);
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if (!m) return null;
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@@ -27,13 +28,13 @@ export function verifyHeatToken(token, secret, nowMs) {
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|| typeof o.p !== 'string' || !o.p.startsWith('/') || !['m', 't', 'd'].includes(o.v)
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|| !Number.isInteger(o.e)) return null;
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const nowS = nowMs / 1000;
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if (o.e <= nowS || o.e > nowS + MAX_AHEAD) return null;
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if (!ignoreExpiry && (o.e <= nowS || o.e > nowS + MAX_AHEAD)) return null;
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return { siteKey: o.s, path: o.p, vp: o.v, exp: o.e };
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}
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export function createHeat({ db, config = {}, now }) {
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const clock = now || Date.now;
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const getSite = db.prepare('SELECT domains FROM sites WHERE siteKey = ?');
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const getSite = db.prepare('SELECT domains, active FROM sites WHERE siteKey = ?');
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const getClicks = db.prepare('SELECT x, y FROM clicks WHERE site = ? AND path = ? AND vp = ? AND ts >= ? ORDER BY ts DESC LIMIT ?');
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// CORS: nur die eigenen https-Domains der Website (das Overlay läuft auf der Kundenseite).
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@@ -54,15 +55,28 @@ export function createHeat({ db, config = {}, now }) {
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res.end(b);
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return true;
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};
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const token = url.searchParams.get('token');
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// Website zum Token (auch bei abgelaufenem, aber echt signiertem Link), nur für die CORS-Köpfe der Fehlerantworten.
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const knownSite = () => {
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const t = verifyHeatToken(token, config.heatSecret, clock(), { ignoreExpiry: true });
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return t && getSite.get(t.siteKey);
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};
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if (req.method === 'OPTIONS') {
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// Preflight nur bei eigener Domain mit CORS-Köpfen beantworten; Token steht in der URL, Daten gibt es erst beim GET.
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// Preflight: CORS-Köpfe nur, wenn das Token zu einer Website gehört und der Origin deren https-Domain ist.
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const site = knownSite();
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if (site) cors(res, req, domainsOf(site));
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res.setHeader('Access-Control-Allow-Methods', 'GET, OPTIONS');
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return end(204);
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}
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if (req.method !== 'GET') return end(405, null, { Allow: 'GET, OPTIONS' });
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const t = verifyHeatToken(url.searchParams.get('token'), config.heatSecret, clock());
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const t = verifyHeatToken(token, config.heatSecret, clock());
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const site = t && getSite.get(t.siteKey);
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if (!t || !site) return end(403, { error: 'Ungültiger oder abgelaufener Link' });
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if (!t || !site || !site.active) {
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// Bekannte Website: CORS-Kopf auch bei 403, damit das Overlay "Link abgelaufen oder ungültig" zeigen kann.
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const known = site || knownSite();
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if (known) cors(res, req, domainsOf(known));
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return end(403, { error: 'Ungültiger oder abgelaufener Link' });
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}
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cors(res, req, domainsOf(site));
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const since = clock() - CLICK_DAYS * 86400 * 1000;
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const points = getClicks.all(t.siteKey, t.path, t.vp, since, POINTS).map((r) => ({ x: r.x, y: r.y }));
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+13
-6
@@ -103,17 +103,24 @@ export function nextRunAt(now, hour = 2, minute = 30) {
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}
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// Plant runNightly täglich 02:30 Berlin und einmal kurz nach dem Start; stop() beendet alle Timer.
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export function scheduleNightly(db, { startDelayMs = 60000, log = console } = {}) {
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// Test-Hooks: now, timers ({ setTimeout, clearTimeout }) und job (statt runNightly).
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export function scheduleNightly(db, { startDelayMs = 60000, log = console, now = Date.now, timers = { setTimeout, clearTimeout }, job = runNightly } = {}) {
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let timer = null;
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let stopped = false;
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const run = () => {
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try {
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const r = runNightly(db, { now: Date.now() });
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const r = job(db, { now: now() });
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log.log(`Analytics-Nachtjob: ${r.aggregated} Tage verdichtet, ${r.sitesDeleted} Websites gelöscht`);
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} catch (e) { log.error('Analytics-Nachtjob:', e.message); }
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};
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const arm = (delay, fn) => { if (!stopped) timer = setTimeout(fn, delay); };
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const daily = () => { run(); arm(nextRunAt(Date.now()) - Date.now(), daily); };
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arm(startDelayMs, () => { run(); arm(nextRunAt(Date.now()) - Date.now(), daily); });
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return { stop: () => { stopped = true; clearTimeout(timer); } };
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const arm = (delay, fn) => { if (!stopped) timer = timers.setTimeout(fn, delay); };
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// Ein Timer kann früh feuern (Uhrsprung, Timer-Ungenauigkeit): dann nur neu auf den Zielzeitpunkt setzen,
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// nie vorzeitig laufen. Nach dem Lauf strikt hinter das Ziel planen, damit 02:30 nie doppelt läuft.
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const planDaily = (target) => arm(Math.max(0, target - now()), () => {
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if (now() < target) return planDaily(target);
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run();
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planDaily(nextRunAt(Math.max(now(), target) + 1000));
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});
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arm(startDelayMs, () => { run(); planDaily(nextRunAt(now())); });
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return { stop: () => { stopped = true; timers.clearTimeout(timer); } };
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}
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@@ -100,3 +100,39 @@ test('/a/heat nur auf dem öffentlichen Listener', async () => {
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assert.equal(r.status, 404);
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server.close();
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});
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test('403 bei ausgeschalteter Website (active = 0), mit CORS für die eigene Domain', async () => {
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const s = await setup();
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s.db.prepare('UPDATE sites SET active = 0 WHERE siteKey = ?').run(KEY);
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const r = await s.get(tok(), { Origin: 'https://kunde.de' });
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assert.equal(r.status, 403);
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assert.equal(r.headers.get('access-control-allow-origin'), 'https://kunde.de');
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s.close();
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});
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test('403 mit CORS-Kopf, wenn die Website bekannt ist (abgelaufen, aus); sonst ohne', async () => {
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const s = await setup();
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const origin = { Origin: 'https://www.kunde.de' };
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const abgelaufen = await s.get(tok({ exp: exp(-1) }), origin);
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assert.equal(abgelaufen.status, 403);
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assert.equal(abgelaufen.headers.get('access-control-allow-origin'), 'https://www.kunde.de');
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// fremder Origin, falsche Signatur, unbekannte Website: kein CORS-Kopf
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assert.equal((await s.get(tok({ exp: exp(-1) }), { Origin: 'https://evil.example' })).headers.get('access-control-allow-origin'), null);
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assert.equal((await s.get(tok({}, 'anderes-secret'), origin)).headers.get('access-control-allow-origin'), null);
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assert.equal((await s.get(tok({ siteKey: 'nichtvorhanden0123456' }), origin)).headers.get('access-control-allow-origin'), null);
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assert.equal((await s.get('abc', origin)).headers.get('access-control-allow-origin'), null);
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s.close();
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});
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test('OPTIONS-Preflight: CORS-Köpfe nur für erlaubte Origins bekannter Websites', async () => {
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const s = await setup();
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const pre = (token, origin) => fetch(`${s.base}/a/heat?token=${encodeURIComponent(token)}`, { method: 'OPTIONS', headers: { Origin: origin, 'Access-Control-Request-Method': 'GET' } });
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const ok = await pre(tok(), 'https://kunde.de');
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assert.equal(ok.status, 204);
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assert.equal(ok.headers.get('access-control-allow-origin'), 'https://kunde.de');
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assert.match(ok.headers.get('access-control-allow-methods'), /GET/);
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assert.equal((await pre(tok({ exp: exp(-1) }), 'https://kunde.de')).headers.get('access-control-allow-origin'), 'https://kunde.de');
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assert.equal((await pre(tok(), 'https://evil.example')).headers.get('access-control-allow-origin'), null);
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assert.equal((await pre('abc', 'https://kunde.de')).headers.get('access-control-allow-origin'), null);
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s.close();
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});
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@@ -1,7 +1,7 @@
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import { test } from 'node:test';
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import assert from 'node:assert/strict';
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import { openDb } from '../src/db.js';
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import { runNightly, nextRunAt, dayOf } from '../src/jobs.js';
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import { runNightly, nextRunAt, dayOf, scheduleNightly } from '../src/jobs.js';
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import { createAdminServer } from '../src/server.js';
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const KEY = 'abcdef0123456789abcd';
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@@ -177,3 +177,30 @@ test('Stats: Top 20 absteigend, consentRate 0 ohne Entscheidungen, Fehlerfälle'
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assert.equal((await a.get(`/a/admin/stats/${KEY}?range=7`, 'Bearer nope')).status, 401);
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a.close();
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});
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test('scheduleNightly: früh feuernder Timer läuft nicht vorzeitig und nie doppelt für dasselbe 02:30', () => {
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let t = Date.UTC(2026, 9, 10, 10, 0, 0);
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const pending = [];
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const timers = { setTimeout: (fn, ms) => { const h = { fn, at: t + ms }; pending.push(h); return h; }, clearTimeout: (h) => { const i = pending.indexOf(h); if (i >= 0) pending.splice(i, 1); } };
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const runs = [];
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const quiet = { log() {}, error() {} };
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const s = scheduleNightly({}, { startDelayMs: 1000, log: quiet, now: () => t, timers, job: (db, o) => { runs.push(o.now); return { aggregated: 0, sitesDeleted: 0 }; } });
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const fire = (clock) => { const h = pending.shift(); t = clock ?? h.at; h.fn(); };
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fire(); // Startlauf
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assert.equal(runs.length, 1);
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const target = nextRunAt(t);
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assert.equal(pending.length, 1);
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assert.equal(pending[0].at, target);
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fire(target - 500); // Timer feuert 500 ms zu früh
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assert.equal(runs.length, 1, 'kein vorzeitiger Lauf');
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assert.equal(pending.length, 1);
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assert.equal(pending[0].at, target, 'neu auf das Ziel gesetzt');
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fire(target); // pünktlich
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assert.equal(runs.length, 2);
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assert.equal(pending[0].at, nextRunAt(target + 1000));
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assert.ok(pending[0].at > target + 20 * 3600000, 'nächster Lauf am Folgetag');
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fire(pending[0].at - 1); // wieder zu früh
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assert.equal(runs.length, 2);
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s.stop();
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assert.equal(pending.length, 0);
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});
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