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import re
import pytest
from dirty_equals import HasRepr, IsStr
from pydantic_core import CoreConfig, SchemaValidator, ValidationError
from pydantic_core import core_schema as cs
from ..conftest import Err, PyAndJson
@pytest.mark.parametrize(
'input_value,expected',
[
([1, 2, 3], [1, 2, 3]),
([1, 2, '3'], [1, 2, 3]),
({1: 2, 3: 4}, [1, 3]),
('123', [1, 2, 3]),
(5, Err('[type=iterable_type, input_value=5, input_type=int]')),
([1, 'wrong'], Err("[type=int_parsing, input_value='wrong', input_type=str]")),
],
ids=repr,
)
def test_generator_json_int(py_and_json: PyAndJson, input_value, expected):
v = py_and_json({'type': 'generator', 'items_schema': {'type': 'int'}})
if isinstance(expected, Err):
with pytest.raises(ValidationError, match=re.escape(expected.message)):
list(v.validate_test(input_value))
else:
assert list(v.validate_test(input_value)) == expected
@pytest.mark.parametrize(
'config,input_str',
(
(CoreConfig(), 'type=iterable_type, input_value=5, input_type=int'),
(CoreConfig(hide_input_in_errors=False), 'type=iterable_type, input_value=5, input_type=int'),
(CoreConfig(hide_input_in_errors=True), 'type=iterable_type'),
),
)
def test_generator_json_hide_input(py_and_json: PyAndJson, config, input_str):
v = py_and_json({'type': 'generator', 'items_schema': {'type': 'int'}}, config)
with pytest.raises(ValidationError, match=re.escape(f'[{input_str}]')):
list(v.validate_test(5))
@pytest.mark.parametrize(
'input_value,expected',
[
([1, 2, 3], [1, 2, 3]),
([1, 2, '3'], [1, 2, '3']),
({'1': 2, '3': 4}, ['1', '3']),
('123', ['1', '2', '3']),
(5, Err('[type=iterable_type, input_value=5, input_type=int]')),
([1, 'wrong'], [1, 'wrong']),
],
ids=repr,
)
def test_generator_json_any(py_and_json: PyAndJson, input_value, expected):
v = py_and_json({'type': 'generator'})
if isinstance(expected, Err):
with pytest.raises(ValidationError, match=re.escape(expected.message)):
list(v.validate_test(input_value))
else:
assert list(v.validate_test(input_value)) == expected
def test_error_index(py_and_json: PyAndJson):
v = py_and_json({'type': 'generator', 'items_schema': {'type': 'int'}})
gen = v.validate_test(['wrong'])
assert gen.index == 0
with pytest.raises(ValidationError) as exc_info:
next(gen)
assert gen.index == 1
# insert_assert(exc_info.value.errors(include_url=False))
assert exc_info.value.title == 'ValidatorIterator'
assert str(exc_info.value).startswith('1 validation error for ValidatorIterator\n')
assert exc_info.value.errors(include_url=False) == [
{
'type': 'int_parsing',
'loc': (0,),
'msg': 'Input should be a valid integer, unable to parse string as an integer',
'input': 'wrong',
}
]
gen = v.validate_test([1, 2, 3, 'wrong', 4])
assert gen.index == 0
assert next(gen) == 1
assert gen.index == 1
assert next(gen) == 2
assert gen.index == 2
assert next(gen) == 3
assert gen.index == 3
with pytest.raises(ValidationError) as exc_info:
next(gen)
assert gen.index == 4
assert exc_info.value.errors(include_url=False) == [
{
'type': 'int_parsing',
'loc': (3,),
'msg': 'Input should be a valid integer, unable to parse string as an integer',
'input': 'wrong',
}
]
assert next(gen) == 4
assert gen.index == 5
def test_too_long(py_and_json: PyAndJson):
v = py_and_json({'type': 'generator', 'items_schema': {'type': 'int'}, 'max_length': 2})
assert list(v.validate_test([1])) == [1]
assert list(v.validate_test([1, 2])) == [1, 2]
with pytest.raises(ValidationError) as exc_info:
list(v.validate_test([1, 2, 3]))
# insert_assert(exc_info.value.errors(include_url=False))
assert exc_info.value.errors(include_url=False) == [
{
'type': 'too_long',
'loc': (),
'msg': 'Generator should have at most 2 items after validation, not more',
'input': [1, 2, 3],
'ctx': {'field_type': 'Generator', 'max_length': 2, 'actual_length': None},
}
]
def test_too_short(py_and_json: PyAndJson):
v = py_and_json({'type': 'generator', 'items_schema': {'type': 'int'}, 'min_length': 2})
assert list(v.validate_test([1, 2, 3])) == [1, 2, 3]
assert list(v.validate_test([1, 2])) == [1, 2]
with pytest.raises(ValidationError) as exc_info:
list(v.validate_test([1]))
# insert_assert(exc_info.value.errors(include_url=False))
assert exc_info.value.errors(include_url=False) == [
{
'type': 'too_short',
'loc': (),
'msg': 'Generator should have at least 2 items after validation, not 1',
'input': [1],
'ctx': {'field_type': 'Generator', 'min_length': 2, 'actual_length': 1},
}
]
def gen():
yield 1
yield 2
yield 3
def test_generator_too_long():
v = SchemaValidator(cs.generator_schema(items_schema=cs.int_schema(), max_length=2))
validating_iterator = v.validate_python(gen())
# Ensure the error happens at exactly the right step:
assert next(validating_iterator) == 1
assert next(validating_iterator) == 2
with pytest.raises(ValidationError) as exc_info:
next(validating_iterator)
errors = exc_info.value.errors(include_url=False)
# insert_assert(errors)
assert errors == [
{
'type': 'too_long',
'loc': (),
'input': HasRepr(IsStr(regex='<generator object gen at .+>')),
'msg': 'Generator should have at most 2 items after validation, not more',
'ctx': {'field_type': 'Generator', 'max_length': 2, 'actual_length': None},
}
]
def test_generator_too_short():
v = SchemaValidator(cs.generator_schema(items_schema=cs.int_schema(), min_length=4))
validating_iterator = v.validate_python(gen())
# Ensure the error happens at exactly the right step:
assert next(validating_iterator) == 1
assert next(validating_iterator) == 2
assert next(validating_iterator) == 3
with pytest.raises(ValidationError) as exc_info:
next(validating_iterator)
errors = exc_info.value.errors(include_url=False)
# insert_assert(errors)
assert errors == [
{
'type': 'too_short',
'input': HasRepr(IsStr(regex='<generator object gen at .+>')),
'loc': (),
'msg': 'Generator should have at least 4 items after validation, not 3',
'ctx': {'field_type': 'Generator', 'min_length': 4, 'actual_length': 3},
}
]
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