From 2694cb2eceabb1781fccacab8aba410d4b24e52e Mon Sep 17 00:00:00 2001
From: jaca <vitouejj@gmail.com>
Date: Tue, 20 Sep 2022 14:38:41 +0200
Subject: [PATCH] refacotr test_issue_237

---
 src/icalendar/tests/conftest.py               | 11 ++++++++
 ..._to_parse_timezone_with_non_ascii_tzid.ics |  5 ++++
 src/icalendar/tests/test_encoding.py          | 25 ++++++++++++++++++-
 .../timezones/issue_237_brazilia_standard.ics | 17 +++++++++++++
 4 files changed, 57 insertions(+), 1 deletion(-)
 create mode 100644 src/icalendar/tests/events/issue_237_fail_to_parse_timezone_with_non_ascii_tzid.ics
 create mode 100644 src/icalendar/tests/timezones/issue_237_brazilia_standard.ics

diff --git a/src/icalendar/tests/conftest.py b/src/icalendar/tests/conftest.py
index 838c506d..986f2ff9 100644
--- a/src/icalendar/tests/conftest.py
+++ b/src/icalendar/tests/conftest.py
@@ -4,6 +4,14 @@
 import pytest
 import icalendar
 
+import datetime
+import pytz
+from dateutil import tz
+try:
+    import zoneinfo
+except ModuleNotFoundError:
+    from backports import zoneinfo
+
 LOGGER = logging.getLogger(__name__)
 
 class DataSource:
@@ -41,3 +49,6 @@ def timezones():
 def events():
     return DataSource(EVENTS_FOLDER, icalendar.Event.from_ical)
 
+@pytest.fixture(params=[pytz.timezone, tz.gettz, zoneinfo.ZoneInfo])
+def timezone(request):
+    return request.param
diff --git a/src/icalendar/tests/events/issue_237_fail_to_parse_timezone_with_non_ascii_tzid.ics b/src/icalendar/tests/events/issue_237_fail_to_parse_timezone_with_non_ascii_tzid.ics
new file mode 100644
index 00000000..4aef22dc
--- /dev/null
+++ b/src/icalendar/tests/events/issue_237_fail_to_parse_timezone_with_non_ascii_tzid.ics
@@ -0,0 +1,5 @@
+BEGIN:VEVENT
+DTSTART;TZID="(UTC-03:00) Brasília":20170511T133000
+DTEND;TZID="(UTC-03:00) Brasília":20170511T140000
+END:VEVENT
+
diff --git a/src/icalendar/tests/test_encoding.py b/src/icalendar/tests/test_encoding.py
index d1d70d37..a06bb769 100644
--- a/src/icalendar/tests/test_encoding.py
+++ b/src/icalendar/tests/test_encoding.py
@@ -1,11 +1,12 @@
 import unittest
 
+import pytest
+
 import datetime
 import icalendar
 import os
 import pytz
 
-
 class TestEncoding(unittest.TestCase):
 
     def test_create_from_ical(self):
@@ -88,3 +89,25 @@ def test_unicode_parameter_name(self):
             + b'\xc3\xa4\xc3\xb6\xc3\xbc\xc3\x9f\xc3\x84\xc3\x96\xc3\x9c\r\n'
             + b'END:VEVENT\r\nEND:VCALENDAR\r\n'
         )
+
+def test_parses_event_with_non_ascii_tzid_issue_237(events, timezone):
+    """Issue #237 - Fail to parse timezone with non-ascii TZID
+    see https://github.com/collective/icalendar/issues/237
+    """
+    start = events.issue_237_fail_to_parse_timezone_with_non_ascii_tzid.decoded('DTSTART')
+    expected = datetime.datetime(2017, 5, 11, 13, 30, tzinfo=timezone('America/Sao_Paulo'))
+    assert start == expected
+
+def test_parses_timezone_with_non_ascii_tzid_issue_237(timezones):
+    """Issue #237 - Fail to parse timezone with non-ascii TZID
+    see https://github.com/collective/icalendar/issues/237
+    """
+    assert timezones.issue_237_brazilia_standard['tzid'] == '(UTC-03:00) Brasília'
+
+@pytest.mark.parametrize('timezone_name', ['standard', 'daylight'])
+def test_parses_timezone_with_non_ascii_tzname_issue_273(timezones, timezone_name):
+    """Issue #237 - Fail to parse timezone with non-ascii TZID
+    see https://github.com/collective/icalendar/issues/237
+    """
+    assert timezones.issue_237_brazilia_standard.walk(timezone_name)[0]['TZNAME'] == f'Brasília {timezone_name}'
+
diff --git a/src/icalendar/tests/timezones/issue_237_brazilia_standard.ics b/src/icalendar/tests/timezones/issue_237_brazilia_standard.ics
new file mode 100644
index 00000000..462f3fcd
--- /dev/null
+++ b/src/icalendar/tests/timezones/issue_237_brazilia_standard.ics
@@ -0,0 +1,17 @@
+BEGIN:VTIMEZONE
+TZID:(UTC-03:00) Brasília
+BEGIN:STANDARD
+TZNAME:Brasília standard
+DTSTART:16010101T235959
+TZOFFSETFROM:-0200
+TZOFFSETTO:-0300
+RRULE:FREQ=YEARLY;INTERVAL=1;BYDAY=3SA;BYMONTH=2
+END:STANDARD
+BEGIN:DAYLIGHT
+TZNAME:Brasília daylight
+DTSTART:16010101T235959
+TZOFFSETFROM:-0300
+TZOFFSETTO:-0200
+RRULE:FREQ=YEARLY;INTERVAL=1;BYDAY=2SA;BYMONTH=10
+END:DAYLIGHT
+END:VTIMEZONE