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import re
from datetime import timedelta
from decimal import Decimal
from typing import Any
import pytest
from pydantic_core import SchemaError, SchemaValidator, ValidationError, core_schema
from ..conftest import Err, PyAndJson
try:
import pandas
except ImportError:
pandas = None
@pytest.mark.parametrize(
'constraint',
['le', 'lt', 'ge', 'gt'],
)
def test_constraints_schema_validation_error(constraint: str) -> None:
with pytest.raises(SchemaError, match=f"'{constraint}' must be coercible to a timedelta instance"):
SchemaValidator(core_schema.timedelta_schema(**{constraint: 'bad_value'}))
def test_constraints_schema_validation() -> None:
val = SchemaValidator(core_schema.timedelta_schema(gt=3))
with pytest.raises(ValidationError):
val.validate_python(1)
@pytest.mark.parametrize(
'input_value,expected',
[
(
timedelta(days=-3, hours=2, seconds=1, milliseconds=500),
timedelta(days=-3, hours=2, seconds=1, milliseconds=500),
),
(
timedelta(days=3, weeks=2, hours=1, minutes=2, seconds=3, milliseconds=500),
timedelta(days=3, weeks=2, hours=1, minutes=2, seconds=3, milliseconds=500),
),
('P0Y0M3D2WT1H2M3.5S', timedelta(days=3, weeks=2, hours=1, minutes=2, seconds=3, milliseconds=500)),
(b'P0Y0M3D2WT1H2M3.5S', timedelta(days=3, weeks=2, hours=1, minutes=2, seconds=3, milliseconds=500)),
((-1,), Err('Input should be a valid timedelta [type=time_delta_type')),
(
b'-1',
Err(
'Input should be a valid timedelta, "day" identifier in duration '
'not correctly formatted [type=time_delta_parsing'
),
),
(3601, timedelta(hours=1, seconds=1)),
(Decimal('3601.123456'), timedelta(hours=1, seconds=1, microseconds=123456)),
(Decimal('3601.1234562'), timedelta(hours=1, seconds=1, microseconds=123456)),
(Decimal('3601.1234568'), timedelta(hours=1, seconds=1, microseconds=123457)),
(-3601, timedelta(hours=-2, seconds=3599)),
(Decimal('-3601.222222'), timedelta(hours=-2, seconds=3598, microseconds=777778)),
(Decimal('-3601.2222222'), timedelta(hours=-2, seconds=3598, microseconds=777778)),
(Decimal('-3601.2222227'), timedelta(hours=-2, seconds=3598, microseconds=777777)),
(float('nan'), Err('Input should be a valid timedelta, NaN values not permitted')),
(float('inf'), Err('Input should be a valid timedelta, durations may not exceed 999,999,999 days')),
(float('-inf'), Err('Input should be a valid timedelta, durations may not exceed 999,999,999 days')),
(timedelta.max, timedelta.max),
('02:03:04.05', timedelta(hours=2, seconds=184, microseconds=50_000)),
(
'02:03:04.05broken',
Err('Input should be a valid timedelta, unexpected extra characters at the end of the input'),
),
],
ids=repr,
)
def test_timedelta(input_value, expected):
v = SchemaValidator(core_schema.timedelta_schema())
if isinstance(expected, Err):
with pytest.raises(ValidationError, match=re.escape(expected.message)):
v.validate_python(input_value)
else:
output = v.validate_python(input_value)
assert output == expected
@pytest.mark.parametrize(
'input_value,expected',
[
('"P0Y0M3D2WT1H2M3.5S"', timedelta(days=3, weeks=2, hours=1, minutes=2, seconds=3, milliseconds=500)),
('"errordata"', Err('Input should be a valid duration, invalid digit in duration [type=time_delta_parsing')),
('true', Err('Input should be a valid duration [type=time_delta_type')),
('3601', timedelta(hours=1, seconds=1)),
('3601.123456', timedelta(hours=1, seconds=1, microseconds=123456)),
('-3601', timedelta(hours=-2, seconds=3599)),
('-3601.222222', timedelta(hours=-2, seconds=3598, microseconds=777778)),
('-3601.2222222', timedelta(hours=-2, seconds=3598, microseconds=777778)),
('3600.999999', timedelta(seconds=3600, microseconds=999999)),
],
ids=repr,
)
def test_timedelta_json(input_value, expected):
v = SchemaValidator(core_schema.timedelta_schema())
if isinstance(expected, Err):
with pytest.raises(ValidationError, match=re.escape(expected.message)):
v.validate_json(input_value)
else:
output = v.validate_json(input_value)
assert output == expected
@pytest.mark.parametrize(
'input_value,expected',
[
(
timedelta(days=3, weeks=2, hours=1, minutes=2, seconds=3, milliseconds=500),
timedelta(days=3, weeks=2, hours=1, minutes=2, seconds=3, milliseconds=500),
),
('P0Y0M3D2WT1H2M3.5S', Err('Input should be a valid timedelta [type=time_delta_type')),
(b'P0Y0M3D2WT1H2M3.5S', Err('Input should be a valid timedelta [type=time_delta_type')),
],
)
def test_timedelta_strict(input_value, expected):
v = SchemaValidator(core_schema.timedelta_schema(strict=True))
if isinstance(expected, Err):
with pytest.raises(ValidationError, match=re.escape(expected.message)):
v.validate_python(input_value)
else:
output = v.validate_python(input_value)
assert output == expected
@pytest.mark.parametrize(
'input_value,expected',
[
('"P0Y0M3D2WT1H2M3.5S"', timedelta(days=3, weeks=2, hours=1, minutes=2, seconds=3, milliseconds=500)),
('"12345"', Err('Input should be a valid duration')),
('true', Err('Input should be a valid duration [type=time_delta_type')),
],
)
def test_timedelta_strict_json(input_value, expected):
v = SchemaValidator(core_schema.timedelta_schema(strict=True))
if isinstance(expected, Err):
with pytest.raises(ValidationError, match=re.escape(expected.message)):
v.validate_json(input_value)
else:
output = v.validate_json(input_value)
assert output == expected
@pytest.mark.parametrize(
'kwargs,input_value,expected',
[
({}, 'P0Y0M3D2WT1H2M3S', timedelta(days=3, weeks=2, hours=1, minutes=2, seconds=3)),
({'le': timedelta(days=3)}, 'P2DT1H', timedelta(days=2, hours=1)),
({'le': timedelta(days=3)}, 'P3DT0H', timedelta(days=3)),
({'le': timedelta(days=3)}, 'P3DT1H', Err('Input should be less than or equal to 3 days')),
({'lt': timedelta(days=3)}, 'P2DT1H', timedelta(days=2, hours=1)),
({'lt': timedelta(days=3)}, 'P3DT1H', Err('Input should be less than 3 days')),
({'ge': timedelta(days=3)}, 'P3DT1H', timedelta(days=3, hours=1)),
({'ge': timedelta(days=3)}, 'P3D', timedelta(days=3)),
({'ge': timedelta(days=3)}, 'P2DT1H', Err('Input should be greater than or equal to 3 days')),
({'gt': timedelta(days=3)}, 'P3DT1H', timedelta(days=3, hours=1)),
({'le': timedelta(seconds=-86400.123)}, '-PT86400.123S', timedelta(seconds=-86400.123)),
({'le': timedelta(seconds=-86400.123)}, '-PT86400.124S', timedelta(seconds=-86400.124)),
(
{'le': timedelta(seconds=-86400.123)},
'-PT86400.122S',
Err(
'Input should be less than or equal to -2 days and 23 hours and 59 minutes and 59 seconds and 877000 microseconds [type=less_than_equal'
),
),
({'gt': timedelta(seconds=-86400.123)}, timedelta(seconds=-86400.122), timedelta(seconds=-86400.122)),
({'gt': timedelta(seconds=-86400.123)}, '-PT86400.122S', timedelta(seconds=-86400.122)),
(
{'gt': timedelta(seconds=-86400.123)},
'-PT86400.124S',
Err(
'Input should be greater than -2 days and 23 hours and 59 minutes and 59 seconds and 877000 microseconds [type=greater_than'
),
),
(
{'gt': timedelta(hours=1, minutes=30)},
'PT180S',
Err('Input should be greater than 1 hour and 30 minutes [type=greater_than'),
),
({'gt': timedelta()}, '-P0DT0.1S', Err('Input should be greater than 0 seconds [type=greater_than')),
({'gt': timedelta()}, 'P0DT0.0S', Err('Input should be greater than 0 seconds [type=greater_than')),
({'ge': timedelta()}, 'P0DT0.0S', timedelta()),
({'lt': timedelta()}, '-PT0S', timedelta()),
(
{'lt': timedelta(days=740, weeks=1, hours=48, minutes=60, seconds=61, microseconds=100000)},
'P2Y1W10DT48H60M61.100000S',
Err('Input should be less than 749 days and 1 hour and 1 minute and 1 second and 100000 microseconds'),
),
],
ids=repr,
)
def test_timedelta_kwargs(kwargs: dict[str, Any], input_value, expected):
v = SchemaValidator(core_schema.timedelta_schema(**kwargs))
if isinstance(expected, Err):
with pytest.raises(ValidationError, match=re.escape(expected.message)):
v.validate_python(input_value)
else:
output = v.validate_python(input_value)
assert output == expected
def test_timedelta_kwargs_strict():
v = SchemaValidator(core_schema.timedelta_schema(strict=True, le=timedelta(days=3)))
output = v.validate_python(timedelta(days=2, hours=1))
assert output == timedelta(days=2, hours=1)
def test_dict_py():
v = SchemaValidator(
core_schema.dict_schema(keys_schema=core_schema.timedelta_schema(), values_schema=core_schema.int_schema())
)
assert v.validate_python({timedelta(days=2, hours=1): 2, timedelta(days=2, hours=2): 4}) == {
timedelta(days=2, hours=1): 2,
timedelta(days=2, hours=2): 4,
}
def test_dict_key(py_and_json: PyAndJson):
v = py_and_json({'type': 'dict', 'keys_schema': {'type': 'timedelta'}, 'values_schema': {'type': 'int'}})
assert v.validate_test({'P2DT1H': 2, 'P2DT2H': 4}) == {timedelta(days=2, hours=1): 2, timedelta(days=2, hours=2): 4}
with pytest.raises(ValidationError, match=re.escape('[type=time_delta_parsing')):
v.validate_test({'errordata': 2})
def test_dict_value(py_and_json: PyAndJson):
v = py_and_json({'type': 'dict', 'keys_schema': {'type': 'int'}, 'values_schema': {'type': 'timedelta'}})
assert v.validate_test({2: 'P2DT1H', 4: 'P2DT2H'}) == {2: timedelta(days=2, hours=1), 4: timedelta(days=2, hours=2)}
with pytest.raises(ValidationError, match=re.escape('[type=time_delta_parsing')):
v.validate_test({4: 'errordata'})
def test_union():
v = SchemaValidator(core_schema.union_schema(choices=[core_schema.str_schema(), core_schema.timedelta_schema()]))
assert v.validate_python('P2DT1H') == 'P2DT1H'
assert v.validate_python(timedelta(days=2, hours=1)) == timedelta(days=2, hours=1)
v = SchemaValidator(core_schema.union_schema(choices=[core_schema.timedelta_schema(), core_schema.str_schema()]))
assert v.validate_python('P2DT1H') == 'P2DT1H'
assert v.validate_python(timedelta(days=2, hours=1)) == timedelta(days=2, hours=1)
@pytest.mark.parametrize(
'constraint,expected_duration',
[
(timedelta(days=3), {'positive': True, 'day': 3, 'second': 0, 'microsecond': 0}),
(timedelta(days=2, seconds=42.123), {'positive': True, 'day': 2, 'second': 42, 'microsecond': 123_000}),
(timedelta(days=-1), {'positive': False, 'day': 1, 'second': 0, 'microsecond': 0}),
(timedelta(seconds=86410), {'positive': True, 'day': 1, 'second': 10, 'microsecond': 0}),
(timedelta(seconds=86410.123), {'positive': True, 'day': 1, 'second': 10, 'microsecond': 123_000}),
(timedelta(seconds=-86410), {'positive': False, 'day': 1, 'second': 10, 'microsecond': 0}),
(timedelta(seconds=-86410.123), {'positive': False, 'day': 1, 'second': 10, 'microsecond': 123_000}),
(timedelta(days=-4, hours=12), {'positive': False, 'day': 3, 'second': 43200, 'microsecond': 0}),
(timedelta(days=-4, microseconds=456), {'positive': False, 'day': 3, 'second': 86399, 'microsecond': 999544}),
(timedelta(days=-1, seconds=20_000), {'positive': False, 'day': 0, 'second': 66_400, 'microsecond': 0}),
(
timedelta(days=-1, seconds=86_399, microseconds=1),
{'positive': False, 'day': 0, 'second': 0, 'microsecond': 999_999},
),
(timedelta.max, {'positive': True, 'day': 999999999, 'second': 86399, 'microsecond': 999999}),
(timedelta.min, {'positive': False, 'day': 999999999, 'second': 0, 'microsecond': 0}),
],
ids=repr,
)
def test_pytimedelta_as_timedelta(constraint, expected_duration):
v = SchemaValidator(core_schema.timedelta_schema(gt=constraint))
# simplest way to check `pytimedelta_as_timedelta` is correct is to extract duration from repr of the validator
m = re.search(r'Duration ?\{\s+positive: ?(\w+),\s+day: ?(\d+),\s+second: ?(\d+),\s+microsecond: ?(\d+)', repr(v))
pos, day, sec, micro = m.groups()
duration = {'positive': pos == 'true', 'day': int(day), 'second': int(sec), 'microsecond': int(micro)}
assert duration == pytest.approx(expected_duration), constraint
def test_large_value():
v = SchemaValidator(core_schema.timedelta_schema())
assert v.validate_python('123days, 12:34') == timedelta(days=123, hours=12, minutes=34)
assert v.validate_python(f'{999_999_999}days, 12:34') == timedelta(days=999_999_999, hours=12, minutes=34)
with pytest.raises(ValidationError, match='should be a valid timedelta, durations may not exceed 999,999,999 days'):
v.validate_python(f'{999_999_999 + 1}days, 12:34')
@pytest.mark.skipif(not pandas, reason='pandas not installed')
def test_pandas():
v = SchemaValidator(core_schema.timedelta_schema(ge=timedelta(hours=2)))
two_hours = pandas.Timestamp('2023-01-01T02:00:00Z') - pandas.Timestamp('2023-01-01T00:00:00Z')
assert v.validate_python(two_hours) == two_hours
assert v.validate_python(two_hours.to_pytimedelta()) == two_hours
one_55 = pandas.Timestamp('2023-01-01T01:55:00Z') - pandas.Timestamp('2023-01-01T00:00:00Z')
msg = r'Input should be greater than or equal to 2 hours'
with pytest.raises(ValidationError, match=msg):
v.validate_python(one_55)
with pytest.raises(ValidationError, match=msg):
v.validate_python(one_55.to_pytimedelta())
|
