Test calendar feed extraction including recurring events

server/src/sequelize.ts

@@ -82,6 +82,12 @@ export default function (app: Application): void {
     // Migrate and sync to the database
     app.set('sequelizeSync', sequelize.authenticate({ retry: retryOptions }).then(() => {
       logger.info('Connected to database');
+      // Tear down the existing tables for testing
+      if (process.env.NODE_ENV === 'test') {
+        logger.debug('Tearing down tables for testing ...');
+        return umzug.down();
+      }
+    }).then(() => {
       return umzug.up();
     }, (reason: Error) => {
       logger.error('Database connection failed:', reason.message);

server/src/services/calendar-items/calendar-items.class.ts

@@ -11,7 +11,7 @@ enum CalendarItemStatus {
   cancelled = 'cancelled'
 }
 
-interface CalendarItemData {
+export interface CalendarItemData {
   uid: string
   summary: string
   startDate: Date

server/test/feed.ics

@@ -0,0 +1,81 @@
+BEGIN:VCALENDAR
+VERSION:2.0
+CALSCALE:GREGORIAN
+PRODID:-//SabreDAV//SabreDAV//EN
+REFRESH-INTERVAL;VALUE=DURATION:PT4H
+X-PUBLISHED-TTL:PT4H
+BEGIN:VTIMEZONE
+TZID:Europe/Berlin
+BEGIN:DAYLIGHT
+TZOFFSETFROM:+0100
+TZOFFSETTO:+0200
+TZNAME:CEST
+DTSTART:19700329T020000
+RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SU
+END:DAYLIGHT
+BEGIN:STANDARD
+TZOFFSETFROM:+0200
+TZOFFSETTO:+0100
+TZNAME:CET
+DTSTART:19701025T030000
+RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU
+END:STANDARD
+END:VTIMEZONE
+BEGIN:VEVENT
+CREATED:20240808T201535Z
+DTSTAMP:20240808T201636Z
+LAST-MODIFIED:20240808T201636Z
+SEQUENCE:2
+UID:2748ddf3-886e-430a-8392-79d565b952aa
+DTSTART;TZID=Europe/Berlin:20240815T160000
+DTEND;TZID=Europe/Berlin:20240815T170000
+STATUS:CONFIRMED
+SUMMARY:Recurring event weekly only twice
+RRULE:FREQ=WEEKLY;COUNT=2;BYDAY=TH
+END:VEVENT
+BEGIN:VEVENT
+CREATED:20240808T201642Z
+DTSTAMP:20240808T201649Z
+LAST-MODIFIED:20240808T201649Z
+SEQUENCE:2
+UID:bc541fc4-fbdd-4186-b102-c04f387c8dc9
+DTSTART;VALUE=DATE:20240816
+DTEND;VALUE=DATE:20240817
+STATUS:CONFIRMED
+SUMMARY:Whole day
+END:VEVENT
+BEGIN:VEVENT
+CREATED:20240808T204507Z
+DTSTAMP:20240808T204518Z
+LAST-MODIFIED:20240808T204518Z
+SEQUENCE:2
+UID:7388dbc8-03ed-4ecb-b43b-3349361d3942
+DTSTART;TZID=Europe/Berlin:20240811T180000
+DTEND;TZID=Europe/Berlin:20240811T190000
+STATUS:CONFIRMED
+SUMMARY:Future Event
+END:VEVENT
+BEGIN:VEVENT
+CREATED:20240808T201404Z
+DTSTAMP:20240808T201529Z
+LAST-MODIFIED:20240808T201529Z
+SEQUENCE:2
+UID:6099e8c0-b233-4dc8-83da-7ad56191ddb0
+DTSTART;TZID=Europe/Berlin:20240730T130000
+DTEND;TZID=Europe/Berlin:20240730T140000
+STATUS:CONFIRMED
+SUMMARY:Recurring event weekly
+RRULE:FREQ=WEEKLY;BYDAY=TU
+END:VEVENT
+BEGIN:VEVENT
+CREATED:20240808T201232Z
+DTSTAMP:20240808T204505Z
+LAST-MODIFIED:20240808T204505Z
+SEQUENCE:3
+UID:881a3000-eae7-4ebf-8eb4-d1bef216957d
+DTSTART;TZID=Europe/Berlin:20240808T100000
+DTEND;TZID=Europe/Berlin:20240808T110000
+STATUS:CONFIRMED
+SUMMARY:Past Event
+END:VEVENT
+END:VCALENDAR

server/test/services/calendar-items.test.ts

@@ -1,8 +1,44 @@
+import { expect, jest, it } from '@jest/globals';
 import app from '../../src/app';
+import axios from 'axios';
+import { CalendarItemData } from '../../src/services/calendar-items/calendar-items.class';
+import fs from 'fs/promises';
+import path from 'path';
+
+jest.mock('axios');
 
 describe('\'Calendar Items\' service', () => {
+  beforeAll(done => {
+    app.setup();
+    (app.get('databaseReady') as Promise<void>).then(done);
+  });
+
   it('registered the service', () => {
     const service = app.service('calendar-items');
     expect(service).toBeTruthy();
   });
+
+  it('should fetch a calendar feed', async () => {
+    const testFeed = await fs.readFile(path.resolve(__dirname, '../feed.ics'), { encoding: 'utf-8' });
+    axios.get.mockResolvedValue({ data: testFeed });
+
+    jest.useFakeTimers();
+    jest.setSystemTime(1723149778415); // simulate Thu Aug 08 2024 20:42:58 GMT+0000
+
+    const calendarFeedsService = app.service('calendar-feeds');
+    await calendarFeedsService.create({ name: 'Test', url: 'https://example.org/testfeed.ics' });
+
+    const service = app.service('calendar-items');
+    const items = await service.find({ paginate: false }) as CalendarItemData[];
+
+    expect(axios.get).toHaveBeenCalledWith('https://example.org/testfeed.ics');
+    expect(items.length).toBe(9);
+    expect(items.filter(item => item.summary === 'Recurring event weekly').length).toBe(5);
+    expect(items.filter(item => item.summary === 'Recurring event weekly only twice').length).toBe(2);
+    expect(items.filter(item => item.summary === 'Future Event').length).toBe(1);
+    expect(items.filter(item => item.summary === 'Past Event').length).toBe(0);
+    expect(items.filter(item => item.summary === 'Whole day').length).toBe(1);
+
+    jest.useRealTimers();
+  });
 });