Initialize GovOPlaN calendar module

tests/test_ical.py

@@ -0,0 +1,87 @@
+from __future__ import annotations
+
+import unittest
+
+from govoplan_calendar.backend.ical import event_to_ics, parse_vevent
+
+
+class ICalendarParsingTests(unittest.TestCase):
+    def test_parse_vevent_preserves_unknown_properties_and_params(self) -> None:
+        payload = """BEGIN:VCALENDAR
+VERSION:2.0
+BEGIN:VEVENT
+UID:event-1@example.test
+DTSTAMP:20260707T080000Z
+DTSTART;TZID=Europe/Berlin:20260708T090000
+DTEND;TZID=Europe/Berlin:20260708T100000
+SUMMARY:Planning
+ATTENDEE;CN=Ada;ROLE=REQ-PARTICIPANT:mailto:ada@example.test
+RRULE:FREQ=WEEKLY;COUNT=3
+X-GOVOPLAN-CUSTOM:kept
+END:VEVENT
+END:VCALENDAR
+"""
+        event = parse_vevent(payload)
+
+        self.assertEqual(event["uid"], "event-1@example.test")
+        self.assertEqual(event["summary"], "Planning")
+        self.assertEqual(event["timezone"], "Europe/Berlin")
+        self.assertEqual(event["rrule"], {"FREQ": "WEEKLY", "COUNT": "3"})
+        self.assertEqual(event["attendees"][0]["params"]["CN"], ["Ada"])
+        property_names = [item["name"] for item in event["icalendar"]["properties"]]
+        self.assertIn("X-GOVOPLAN-CUSTOM", property_names)
+
+    def test_parse_all_day_event(self) -> None:
+        event = parse_vevent(
+            """BEGIN:VCALENDAR
+VERSION:2.0
+BEGIN:VEVENT
+UID:event-2@example.test
+DTSTART;VALUE=DATE:20260708
+DTEND;VALUE=DATE:20260709
+SUMMARY:All day
+END:VEVENT
+END:VCALENDAR
+"""
+        )
+
+        self.assertTrue(event["all_day"])
+        self.assertEqual(event["start_at"].hour, 0)
+
+    def test_generated_ics_contains_required_vevent_fields(self) -> None:
+        class Event:
+            uid = "event-3@example.test"
+            start_at = parse_vevent(
+                """BEGIN:VCALENDAR
+BEGIN:VEVENT
+UID:x
+DTSTART:20260708T090000Z
+SUMMARY:x
+END:VEVENT
+END:VCALENDAR
+"""
+            )["start_at"]
+            end_at = None
+            all_day = False
+            timezone = None
+            summary = "Generated"
+            sequence = 0
+            status = "CONFIRMED"
+            transparency = "OPAQUE"
+            classification = "PUBLIC"
+            description = None
+            location = None
+            categories = []
+            rrule = None
+            organizer = None
+            attendees = []
+
+        ics = event_to_ics(Event())
+
+        self.assertIn("BEGIN:VEVENT", ics)
+        self.assertIn("UID:event-3@example.test", ics)
+        self.assertIn("SUMMARY:Generated", ics)
+
+
+if __name__ == "__main__":
+    unittest.main()