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"""This tests generating the right sequence number for event editing.
A computed, recurring event of a UID taking an event with a higher sequence in account,
will be of that sequence.
See https://github.com/niccokunzmann/python-recurring-ical-events/issues/223
"""
from typing import TYPE_CHECKING
import pytest
if TYPE_CHECKING:
from icalendar import Event
def test_sequence_number_is_not_set_for_single_events(calendars):
"""If we have singe events, they should not need a sequence number."""
assert "SEQUENCE" not in calendars.one_event.first
@pytest.mark.parametrize(("date", "sequence"), [("20190305", 1), ("20190304", 0)])
def test_sequence_is_not_deleted(calendars, date, sequence):
"""We do not delete the sequence if it is 0."""
events: list[Event] = calendars.issue_223_one_event_with_sequence.at(date)
assert len(events) == 1
event = events[0]
assert event["SEQUENCE"] == sequence, "sequence remains in here"
def test_sequence_number_is_not_set_for_recurrence(calendars):
"""If we do not use sequences at all, we should not set them."""
events = calendars.one_day_event_repeat_every_day.at("20190308")
assert len(events) == 1
event = events[0]
assert "SEQUENCE" not in event, "is not set if not needed"
def test_sequence_number_is_highest_for_edited_event(calendars):
"""If an event was edited, it uses this sequence number."""
events: list[Event] = calendars.issue_223_thunderbird.at("20250424")
assert len(events) == 1
event = events[0]
assert event["SEQUENCE"] == 3, "2 -> 3"
def test_sequence_number_is_highest_for_base_event(calendars):
"""The base event with no modification has the highest sequence number."""
events: list[Event] = calendars.issue_223_thunderbird.at("20250423")
assert len(events) == 1
event = events[0]
assert event["SEQUENCE"] == 3, "1 -> 3"
def test_sequence_number_is_highest_for_last_event(calendars):
"""The last edited event keeps its sequence number."""
events: list[Event] = calendars.issue_223_thunderbird.at("20250425")
assert len(events) == 1
event = events[0]
assert event["SEQUENCE"] == 3, "3 -> 3"
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