def test_parse():
output = parse('4 years, 3 months and 4 days')
expected_output = datetime.timedelta(
weeks=4 * 52 + 3 * 4,
days=4,
)
assert output == expected_output
def test_parse_iso_8601_duration_format():
output = parse('P1Y2M3W10DT2H30M')
expected_output = datetime.timedelta(weeks=1 * 52 + 2 * 4 + 3,
days=10,
hours=2,
minutes=30)
assert output == expected_output
def test_parse_uptime_format():
output = parse('2 days, 4:13:02')
expected_output = datetime.timedelta(days=2,
hours=4,
minutes=13,
seconds=2)
assert output == expected_output
def test_parse_duration():
output = parse('2:04:13:2.266')
expected_output = datetime.timedelta(hours=2,
minutes=4,
seconds=13,
milliseconds=2,
microseconds=266)
assert output == expected_output
def test_parse_postgres_day_time_format():
output = parse('3 days 04:05:06')
expected_output = datetime.timedelta(days=3, hours=4, minutes=5, seconds=6)
assert output == expected_output
def test_parse_packed_spaced():
output = parse('1 w 3 d 2 h 32 m')
expected_output = datetime.timedelta(weeks=1, days=3, hours=2, minutes=32)
assert output == expected_output
def test_parse_free_text():
output = parse('She said she will comback in 2 hours and 30 minutes')
expected_output = datetime.timedelta(hours=2, minutes=30)
assert output == expected_output
def test_parse_from_to():
output = parse('3 to 4 days, 5 to 6 hours')
expected_min = datetime.timedelta(days=3, hours=5)
expected_max = datetime.timedelta(days=4, hours=6)
assert expected_min <= output <= expected_max
def test_parse_whitespace():
output = parse('-4 years , \t 3 days ')
expected_output = datetime.timedelta(weeks=-4 * 52, days=3)
assert output == expected_output
def test_parse_negative():
output = parse('- 3 hours and 30 minutes and 300 microseconds')
expected_output = datetime.timedelta(hours=-3,
minutes=30,
milliseconds=300 * 0.001)
assert output == expected_output
def test_parse_no_expression():
with pytest.raises(ValueError):
parse('no time')
def test_parse_non_string():
with pytest.raises(TypeError):
parse(None)
def test_parse_empty():
with pytest.raises(ValueError):
parse('')
