97 lines
6.4 KiB
JavaScript
97 lines
6.4 KiB
JavaScript
import { runProbe } from './probe.mjs';
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import { createBrowserChecks } from './browser-checks.mjs';
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const validId = id => Number.isSafeInteger(Number(id)) && Number(id) > 0;
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const validBoardConfig = value => validId(value?.cityId) && validId(value?.defaultStopId) && value.configured === true;
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const validDeviceState = value => value?.enabled === false || value?.enabled === true && (['unpaired', 'pending', 'expired'].includes(value.state) || value.state === 'paired' && validBoardConfig(value.config));
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export const validCatalog = value => Array.isArray(value) && value.length > 0 && value.every(item => validId(item?.id) && typeof item.name === 'string' && Boolean(item.name.trim()));
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export const validDepartures = value => value && Array.isArray(value.routes) && Array.isArray(value.departures) && value.departures.every(item => validId(item.routeId) && typeof item.scheduledTime === 'string' && Number.isFinite(Date.parse(item.scheduledAt))) && value.partial !== true;
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export const validEta = value => value && Array.isArray(value.routes) && value.routes.every(item => !item.error && validId(item.id) && Array.isArray(item.arrivals));
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export const validBoard = value => value && validId(value.stop?.id) && value.mode === 'live' && Array.isArray(value.departures) && value.departures.every(item => validId(item.routeId) && Number.isFinite(Date.parse(item.scheduledAt))) && value.partial !== true && value.demo !== true;
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function selectCity(cities, configuredId) {
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const city = configuredId ? cities.find(item => Number(item.id) === configuredId) : cities.find(item => item.slug === 'polotsk') || cities[0];
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if (!city) throw { reason: 'content', httpCode: 200 };
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return Number(city.id);
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}
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function selectStop(stops, configuredId) {
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const stop = configuredId ? stops.find(item => Number(item.id) === configuredId) : stops.find(item => Number(item.routesCount ?? item.routes_count) > 0) || stops[0];
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if (!stop) throw { reason: 'content', httpCode: 200 };
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return Number(stop.id);
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}
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export function createScenarioRunner(config, { fetchImpl = fetch, browserChecks = null } = {}) {
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const browser = browserChecks || createBrowserChecks(config);
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async function run(service) {
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const spec = service.scenario;
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const steps = [];
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const started = performance.now();
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let mode = 'http', current = 'cities';
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const target = {};
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const result = (ok, reason = null) => ({ ok, reason, latencyMs: ok === true ? Math.round(performance.now() - started) : null, httpCode: steps.find(step => step.status === 'failed')?.httpCode ?? (ok === true ? 200 : null), mode, steps });
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async function get(step, path, validator, headers = {}) {
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current = step;
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let data;
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const response = await runProbe({ url: new URL(path, `${spec.baseUrl.replace(/\/+$/, '')}/`).toString(), kind: 'json', headers, validateJson: json => { data = json; return validator(json); } }, { timeoutMs: config.timeoutMs, fetchImpl });
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steps.push({ id: step, status: response.ok ? 'passed' : 'failed', latencyMs: response.latencyMs, httpCode: response.httpCode });
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if (!response.ok) throw { reason: [401, 403].includes(response.httpCode) || spec.type === 'board' && response.httpCode === 410 ? 'auth_required' : response.reason, httpCode: response.httpCode };
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return data;
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}
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if (!spec || spec.type === 'api' && !spec.apiKey) return result(null, 'unconfigured');
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try {
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if (spec.type === 'api') {
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const headers = { 'X-API-Key': spec.apiKey };
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const cities = await get('cities', '/api/v1/cities', validCatalog, headers);
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target.cityId = selectCity(cities, spec.cityId);
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const scoped = { ...headers, 'X-City-Id': String(target.cityId) };
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const stops = await get('stops', '/api/v1/stops', validCatalog, scoped);
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target.stopId = selectStop(stops, spec.stopId);
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await get('departures', `/api/v1/eta/stop/${target.stopId}`, validEta, scoped);
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} else if (spec.type === 'pwa') {
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const cities = await get('cities', '/api/data?resource=cities', validCatalog);
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target.cityId = selectCity(cities, spec.cityId);
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const stops = await get('stops', `/api/data?resource=stops&cityId=${target.cityId}`, validCatalog);
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target.stopId = selectStop(stops, spec.stopId);
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await get('departures', `/api/data?resource=departures&cityId=${target.cityId}&stopId=${target.stopId}`, validDepartures);
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} else {
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const headers = spec.cookie ? { Cookie: spec.cookie } : {};
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let settings = await get('config', '/api/config', validBoardConfig, headers);
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let managed = false;
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if (spec.cookie) {
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const device = await get('device', '/api/device/status', validDeviceState, headers);
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if (device.enabled) {
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if (device.state !== 'paired') {
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steps.at(-1).status = 'failed';
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throw { reason: 'auth_required', httpCode: 200 };
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}
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// A paired board can only request the stop assigned by the admin.
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// /api/config describes the standalone defaults, not this device.
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settings = device.config;
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managed = true;
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}
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}
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target.cityId = Number(settings.cityId);
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const stops = await get('stops', '/api/stops', validCatalog, headers);
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target.stopId = managed ? Number(settings.defaultStopId) : spec.stopId || Number(settings.defaultStopId);
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if (!stops.some(stop => Number(stop.id) === target.stopId)) throw { reason: 'content' };
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await get('departures', `/api/board?stopId=${target.stopId}`, value => validBoard(value) && Number(value.stop.id) === target.stopId, headers);
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}
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if (spec.type !== 'api') {
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current = 'render';
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if (!config.browser.enabled) steps.push({ id: 'render', status: 'waiting', latencyMs: null, httpCode: null });
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else {
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const rendered = await browser.run(spec, target);
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steps.push({ id: 'render', status: rendered.ok === null ? 'waiting' : rendered.ok ? 'passed' : 'failed', latencyMs: rendered.latencyMs ?? null, httpCode: rendered.httpCode ?? null });
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if (rendered.ok !== true) return result(rendered.ok, rendered.reason);
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mode = 'browser';
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}
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}
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return result(true);
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} catch (error) {
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if (steps.at(-1)?.status !== 'failed') steps.push({ id: current, status: 'failed', latencyMs: null, httpCode: error.httpCode ?? null });
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return result(error.reason === 'auth_required' ? null : false, error.reason || 'content');
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}
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}
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return { run, close: () => browser.close() };
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}
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