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from datetime import datetime
from recurrence import Recurrence, Rule
from recurrence.exceptions import DeserializationError
import pytest
import recurrence
def test_rule_serialization():
rule = Rule(
recurrence.WEEKLY
)
serialized = recurrence.serialize(rule)
assert 'RRULE:FREQ=WEEKLY' == serialized
assert recurrence.deserialize(serialized) == Recurrence(rrules=[rule])
def test_no_equal_sign():
with pytest.raises(DeserializationError):
recurrence.deserialize('RRULE:A')
def test_no_value():
with pytest.raises(DeserializationError):
recurrence.deserialize('RRULE:A=')
def test_unknown_key():
with pytest.raises(DeserializationError):
recurrence.deserialize('RRULE:A=X')
def test_bad_freq():
with pytest.raises(DeserializationError):
recurrence.deserialize('RRULE:FREQ=X')
def test_bad_interval():
with pytest.raises(DeserializationError):
recurrence.deserialize('RRULE:INTERVAL=X')
def test_bad_wkst():
with pytest.raises(DeserializationError):
recurrence.deserialize('RRULE:WKST=X')
def test_bad_count():
with pytest.raises(DeserializationError):
recurrence.deserialize('RRULE:COUNT=X')
def test_bad_byday():
with pytest.raises(DeserializationError):
recurrence.deserialize('RRULE:BYDAY=X')
def test_bad_BYMONTH():
with pytest.raises(DeserializationError):
recurrence.deserialize('RRULE:BYMONTH=X')
def test_complex_rule_serialization():
rule = Rule(
recurrence.WEEKLY,
interval=17,
wkst=1,
count=7,
byday=[
recurrence.to_weekday('-1MO'),
recurrence.to_weekday('TU')
],
bymonth=[1, 3]
)
serialized = recurrence.serialize(rule)
assert ('RRULE:FREQ=WEEKLY;INTERVAL=17;WKST=TU;'
'COUNT=7;BYDAY=-1MO,TU;BYMONTH=1,3') == serialized
assert recurrence.deserialize(serialized) == Recurrence(rrules=[rule])
def test_complex_rule_serialization_with_weekday_instance():
rule = Rule(
recurrence.WEEKLY,
interval=17,
wkst=recurrence.to_weekday(1),
count=7,
byday=[
recurrence.to_weekday('-1MO'),
recurrence.to_weekday('TU')
],
bymonth=[1, 3]
)
serialized = recurrence.serialize(rule)
assert ('RRULE:FREQ=WEEKLY;INTERVAL=17;WKST=TU;'
'COUNT=7;BYDAY=-1MO,TU;BYMONTH=1,3') == serialized
assert recurrence.deserialize(serialized) == Recurrence(rrules=[rule])
def test_bug_in_count_and_until_rule_serialization():
# This tests a bug in the way we serialize rules with instance
# counts and an until date. We should really raise a
# ValidationError in validate if you specify both, but we
# currently don't. Once we start doing this, this test can be
# modified to check an exception is raised.
rule = Rule(
recurrence.WEEKLY,
count=7,
until=datetime(2014, 10, 31, 0, 0, 0)
)
serialized = recurrence.serialize(rule)
# Note that we've got no UNTIL value here
assert 'RRULE:FREQ=WEEKLY;COUNT=7' == serialized
def test_comma_separated_exdates():
exdates = [datetime(2022, 3, 14, 21, 0, 0), datetime(2022, 3, 13, 21, 0, 0)]
recurrence_ = Recurrence(exdates=exdates)
text = 'EXDATE:20220314T210000Z,20220313T210000Z'
deserialized = recurrence.deserialize(text)
assert recurrence_ == deserialized
|
