def test_format_date_month_year(self):
# Given
date = '2017-01'
# When
with self.app_request_context('/'):
format_value = format_date(self.autoescape_context, date)
# Then
self.assertEqual(format_value, "<span class='date'>January 2017</span>")
def test_format_old_date_does_not_change_timezone(self):
""" Flask Babel shows some strange behaviour with dates prior to 1902.
This appears to be because of a bug in pytz relating to 32 bit time_t types
To avoid it, `datetimes` are converted to `date` objects before being passed
to `flask_babel.format_date()`.
"""
date = '1901-01-01'
with self.app_request_context('/'):
format_value = format_date(self.autoescape_context, date)
assert format_value.striptags() == '1 January 1901'
