"""Test the properties of the alarm."""

import pytest

from icalendar.cal import Alarm
from icalendar.error import InvalidCalendar


def test_repeat_absent():
    """Test the absence of REPEAT."""
    assert Alarm().REPEAT == 0


def test_repeat_number():
    """Test the absence of REPEAT."""
    assert Alarm({"REPEAT": 10}).REPEAT == 10


def test_set_REPEAT():
    """Check setting the value."""
    a = Alarm()
    a.REPEAT = 10
    assert a.REPEAT == 10


def test_set_REPEAT_twice():
    """Check setting the value."""
    a = Alarm()
    a.REPEAT = 10
    a.REPEAT = 20
    assert a.REPEAT == 20


def test_add_REPEAT():
    """Check setting the value."""
    a = Alarm()
    a.add("REPEAT", 10)
    assert a.REPEAT == 10


def test_invalid_repeat_value():
    """Check setting the value."""
    a = Alarm()
    with pytest.raises(ValueError):
        a.REPEAT = "asd"
    a["REPEAT"] = "asd"
    with pytest.raises(InvalidCalendar):
        a.REPEAT  # noqa: B018


def test_alarm_to_string():
    a = Alarm()
    a.REPEAT = 11
    assert a.to_ical() == b"BEGIN:VALARM\r\nREPEAT:11\r\nEND:VALARM\r\n"