from decimal import Decimal import pytest from isoduration.parser import exceptions, parse_duration from isoduration.types import DateDuration, Duration, TimeDuration @pytest.mark.parametrize( "duration, date_duration, time_duration", ( # Zero. ("P0D", DateDuration(), TimeDuration()), ("PT0S", DateDuration(), TimeDuration()), # All fields. ( "P3Y6M4DT12H30M5S", DateDuration(years=3, months=6, days=4), TimeDuration(hours=12, minutes=30, seconds=5), ), ( "P18Y9M4DT11H9M8S", DateDuration(years=18, months=9, days=4), TimeDuration(hours=11, minutes=9, seconds=8), ), # All fields, only date. ("P4Y5M18D", DateDuration(years=4, months=5, days=18), TimeDuration()), # All fields, only time. ("PT2H3M4S", DateDuration(), TimeDuration(hours=2, minutes=3, seconds=4)), # Some fields, date only. ("P4Y", DateDuration(years=4), TimeDuration()), ("P2W", DateDuration(weeks=2), TimeDuration()), ("P1M", DateDuration(months=1), TimeDuration()), ("P6D", DateDuration(days=6), TimeDuration()), # Some fields, time only. ("PT2H", DateDuration(), TimeDuration(hours=2)), ("PT36H", DateDuration(), TimeDuration(hours=36)), ("PT1M", DateDuration(), TimeDuration(minutes=1)), ("PT22S", DateDuration(), TimeDuration(seconds=22)), ("PT3M4S", DateDuration(), TimeDuration(minutes=3, seconds=4)), ("PT6H59S", DateDuration(), TimeDuration(hours=6, seconds=59)), # Some fields, date and time. ( "P1DT2H3M4S", DateDuration(days=1), TimeDuration(hours=2, minutes=3, seconds=4), ), ( "P3WT2H59S", DateDuration(weeks=3), TimeDuration(hours=2, seconds=59), ), ("P1DT2H", DateDuration(days=1), TimeDuration(hours=2)), ("P1DT12H", DateDuration(days=1), TimeDuration(hours=12)), ("P23DT23H", DateDuration(days=23), TimeDuration(hours=23)), ( "P1DT2H3M", DateDuration(days=1), TimeDuration(hours=2, minutes=3), ), # Floating point. ("P0.5Y", DateDuration(years=Decimal("0.5")), TimeDuration()), ("P0,5Y", DateDuration(years=Decimal("0.5")), TimeDuration()), ( "PT8.5H3S", DateDuration(), TimeDuration(hours=Decimal("8.5"), seconds=3), ), ( "PT8,5H3S", DateDuration(), TimeDuration(hours=Decimal("8.5"), seconds=3), ), ("PT2.3H", DateDuration(), TimeDuration(hours=Decimal("2.3"))), ( "PT22.22S", DateDuration(), TimeDuration(seconds=Decimal("22.22")), ), # Scientific notation. ( "PT1e3S", DateDuration(), TimeDuration(seconds=Decimal("1000")), ), ( "PT1e-3S", DateDuration(), TimeDuration(seconds=Decimal("0.001")), ), ( "P1E11Y", DateDuration(years=Decimal("1e11")), TimeDuration(), ), ( "P1E+11Y", DateDuration(years=Decimal("1e11")), TimeDuration(), ), ( "P-1E11Y", DateDuration(years=Decimal("-1e11")), TimeDuration(), ), ( "PT1.03e2H", DateDuration(), TimeDuration(hours=Decimal("103")), ), ( "-PT1.03e2H", DateDuration(), TimeDuration(hours=Decimal("-103")), ), ( "P10,8E23W", DateDuration(weeks=Decimal("10.8e23")), TimeDuration(), ), # Leading zeroes. ("PT000022.22", DateDuration(), TimeDuration()), ( "PT000022.22H", DateDuration(), TimeDuration(hours=Decimal("22.22")), ), # Signs. ("+P11D", DateDuration(days=11), TimeDuration()), ("-P2Y", DateDuration(years=-2), TimeDuration()), ("-P2W", DateDuration(weeks=-2), TimeDuration()), ("-P2.2W", DateDuration(weeks=Decimal("-2.2")), TimeDuration()), ( "-P3Y6M4DT12H30M5S", DateDuration(years=-3, months=-6, days=-4), TimeDuration(hours=-12, minutes=-30, seconds=-5), ), ( "-P1DT2H3M4S", DateDuration(days=-1), TimeDuration(hours=-2, minutes=-3, seconds=-4), ), ("P-20M", DateDuration(months=-20), TimeDuration()), ("PT-6H3M", DateDuration(), TimeDuration(hours=-6, minutes=3)), ("-PT-6H3M", DateDuration(), TimeDuration(hours=6, minutes=-3)), ("-PT-6H+3M", DateDuration(), TimeDuration(hours=6, minutes=-3)), # Unconventional numbers, beyond usual boundaries. ("P390D", DateDuration(days=390), TimeDuration()), ("P20M", DateDuration(months=20), TimeDuration()), ("P1000W", DateDuration(weeks=1000), TimeDuration()), ("PT72H", DateDuration(), TimeDuration(hours=72)), ("PT1000000M", DateDuration(), TimeDuration(minutes=1000000)), # Alternative format. ( "P0018-09-04T11:09:08", DateDuration(years=18, months=9, days=4), TimeDuration(hours=11, minutes=9, seconds=8), ), ( "P0003-06-04T12:30:00", DateDuration(years=3, months=6, days=4), TimeDuration(hours=12, minutes=30, seconds=0), ), ( "P00030604T123005", DateDuration(years=3, months=6, days=4), TimeDuration(hours=12, minutes=30, seconds=5), ), # Alternative format, with sign. ( "-P0003-06-04T12:30:05", DateDuration(years=-3, months=-6, days=-4), TimeDuration(hours=-12, minutes=-30, seconds=-5), ), ( "-P00030604T123005", DateDuration(years=-3, months=-6, days=-4), TimeDuration(hours=-12, minutes=-30, seconds=-5), ), ), ) def test_parse_duration(duration, date_duration, time_duration): assert parse_duration(duration) == Duration(date_duration, time_duration) @pytest.mark.parametrize( "duration, exception, error_msg", ( # EmptyDuration. ("", exceptions.EmptyDuration, r"No duration information provided"), ("P", exceptions.EmptyDuration, r"No duration information provided"), ("1Y2M", exceptions.EmptyDuration, r"No prefix provided"), # IncorrectDesignator. ( "P2M1Y", exceptions.IncorrectDesignator, r"Wrong date designator, or designator in the wrong order: Y", ), ( "P1D2H", exceptions.IncorrectDesignator, r"Wrong date designator, or designator in the wrong order: H", ), ( "P4W2D", exceptions.IncorrectDesignator, r"Wrong date designator, or designator in the wrong order: D", ), ( "P4Y2W", exceptions.IncorrectDesignator, r"Week is incompatible with any other date designator", ), ( "P36w", exceptions.IncorrectDesignator, r"Wrong date designator, or designator in the wrong order: w", ), ( "PT3S6M", exceptions.IncorrectDesignator, r"Wrong time designator, or designator in the wrong order: M", ), ( "PT36W", exceptions.IncorrectDesignator, r"Wrong time designator, or designator in the wrong order: W", ), ( "PT11ℵ", exceptions.IncorrectDesignator, r"Wrong time designator, or designator in the wrong order: ℵ", ), ( "PT6H8M43S8S", exceptions.IncorrectDesignator, r"Wrong time designator, or designator in the wrong order: S", ), # NoTime. ("PT", exceptions.NoTime, r"Wanted time, no time provided"), ("P20MT", exceptions.NoTime, r"Wanted time, no time provided"), # UnknownToken. ("P12'3W", exceptions.UnknownToken, r"Token not recognizable: '"), ("P 8W", exceptions.UnknownToken, r"Token not recognizable: "), ("PT(╯°□°)╯︵ ┻━┻", exceptions.UnknownToken, r"Token not recognizable: \("), ("P∰", exceptions.UnknownToken, r"Token not recognizable: ∰"), ("P💩", exceptions.UnknownToken, r"Token not recognizable: 💩"), ("P0018/09/04T11:09:08", exceptions.UnknownToken, r"Token not recognizable: /"), # UnparseableValue. ( "P1YM5D", exceptions.UnparseableValue, r"Value could not be parsed as decimal: ", ), ( "PTS", exceptions.UnparseableValue, r"Value could not be parsed as decimal: ", ), ( "P12..80Y", exceptions.UnparseableValue, r"Value could not be parsed as decimal: 12..80", ), ( "PT11.0.42S", exceptions.UnparseableValue, r"Value could not be parsed as decimal: 11.0.42", ), ( "P1234T", exceptions.UnparseableValue, r"Value could not be parsed as datetime: 1234T", ), ( "P00030604T12300500", exceptions.UnparseableValue, r"Value could not be parsed as datetime: 00030604T12300500", ), ( "P00030604T12300", exceptions.UnparseableValue, r"Value could not be parsed as datetime: 00030604T12300", ), ( "P0003060T123005", exceptions.UnparseableValue, r"Value could not be parsed as datetime: 0003060T123005", ), ), ) def test_parse_duration_errors(duration, exception, error_msg): with pytest.raises(exception) as exc: parse_duration(duration) assert exc.match(error_msg)