From 9829e80486e7ff5652e6361644db284723ee7ea7 Mon Sep 17 00:00:00 2001
From: Martin Eigenmann <github@eigenmannmartin.ch>
Date: Mon, 9 Sep 2024 13:40:07 +0200
Subject: [PATCH] chore: add test for per-event timezone where required

---
 icalevents/icalparser.py              |  7 ++--
 test/test_data/per_event_timezone.ics | 50 +++++++++++++++++++++++++++
 test/test_icalevents.py               | 13 +++++++
 3 files changed, 66 insertions(+), 4 deletions(-)
 create mode 100644 test/test_data/per_event_timezone.ics

diff --git a/icalevents/icalparser.py b/icalevents/icalparser.py
index 79aee99..a1f2d56 100644
--- a/icalevents/icalparser.py
+++ b/icalevents/icalparser.py
@@ -167,11 +167,12 @@ def encode(value: Optional[vText]) -> Optional[str]:
         return str(value.encode("utf-8"))
 
 
-def create_event(component, utc_default, strict):
+def create_event(component, strict):
     """
     Create an event from its iCal representation.
 
     :param component: iCal component
+    :param strict:
     :return: event
     """
 
@@ -323,11 +324,9 @@ def parse_events(
 
     # If there's exactly one timezone in the file,
     # assume it applies globally, otherwise UTC
-    utc_default = False
     if len(timezones) == 1:
         cal_tz = get_timezone(list(timezones)[0])
     else:
-        utc_default = True
         cal_tz = UTC
     # < ==========================================
 
@@ -358,7 +357,7 @@ def is_not_exception(date):
                 exceptions[exdate[0:8]] = exdate
 
         if component.name == "VEVENT":
-            e = create_event(component, utc_default, strict)
+            e = create_event(component, strict)
 
             # make rule.between happy and provide from, to points in time that have the same format as dtstart
             s = component["dtstart"].dt
diff --git a/test/test_data/per_event_timezone.ics b/test/test_data/per_event_timezone.ics
new file mode 100644
index 0000000..5955786
--- /dev/null
+++ b/test/test_data/per_event_timezone.ics
@@ -0,0 +1,50 @@
+BEGIN:VCALENDAR
+PRODID:-//Google Inc//Google Calendar 70.9054//EN
+VERSION:2.0
+CALSCALE:GREGORIAN
+METHOD:PUBLISH
+X-WR-CALNAME:test
+X-WR-TIMEZONE:Europe/Zurich
+BEGIN:VTIMEZONE
+TZID:Europe/Zurich
+X-LIC-LOCATION:Europe/Zurich
+BEGIN:DAYLIGHT
+TZOFFSETFROM:+0100
+TZOFFSETTO:+0200
+TZNAME:GMT+2
+DTSTART:19700329T020000
+RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SU
+END:DAYLIGHT
+BEGIN:STANDARD
+TZOFFSETFROM:+0200
+TZOFFSETTO:+0100
+TZNAME:GMT+1
+DTSTART:19701025T030000
+RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU
+END:STANDARD
+END:VTIMEZONE
+BEGIN:VEVENT
+DTSTART;TZID=Europe/Zurich:20240325T070000
+DTEND;TZID=Europe/Zurich:20240325T080000
+DTSTAMP:20240908T134310Z
+UID:21u17g5sbq791pn23imf7ue0lc@google.com
+CREATED:20240908T134239Z
+LAST-MODIFIED:20240908T134239Z
+SEQUENCE:0
+STATUS:CONFIRMED
+SUMMARY:Zürich
+TRANSP:OPAQUE
+END:VEVENT
+BEGIN:VEVENT
+DTSTART;TZID=Australia/Perth:20240325T070000
+DTEND;TZID=Australia/Perth:20240325T080000
+DTSTAMP:20240908T134310Z
+UID:21u17g5sbq791pn23imf7ue0ld@google.com
+CREATED:20240908T134239Z
+LAST-MODIFIED:20240908T134239Z
+SEQUENCE:0
+STATUS:CONFIRMED
+SUMMARY:Perth
+TRANSP:OPAQUE
+END:VEVENT
+END:VCALENDAR
diff --git a/test/test_icalevents.py b/test/test_icalevents.py
index 6aa01aa..00ce57a 100644
--- a/test/test_icalevents.py
+++ b/test/test_icalevents.py
@@ -902,6 +902,19 @@ def test_recurr_id_dtstart_missmatch(self):
         self.assertEqual(evs[3].start, datetime(2022, 6, 8, 13, 00, 0, tzinfo=tz))
         self.assertEqual(evs[3].summary, "Recurring Event")
 
+    def test_per_event_timezone(self):
+        ical = "test/test_data/per_event_timezone.ics"
+        start = date(2024, 1, 1)
+        end = date(2024, 12, 30)
+
+        events = icalevents.events(file=ical, start=start, end=end, strict=True)
+        self.assertEqual(
+            events[0].start.tzname(), "CET", "check tz as specified in calendar"
+        )
+        self.assertEqual(
+            events[1].start.tzname(), "AWST", "check tz as specified in calendar"
+        )
+
     def test_regression_repeating_events_raise_an_error(self):
         ical = "test/test_data/recurrence_tzinfo.ics"
         start = date(2023, 1, 1)