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import re
from random import Random
import pytest
from hypothesis import given, settings
from hypothesis.strategies import booleans, integers
from polyfactory.exceptions import ParameterException
from polyfactory.value_generators.constrained_strings import handle_constrained_string_or_bytes
REGEXES = [
r"(a|b|c)xz",
r"a|b",
r"[0-9]{2,4}",
r"a{2,3}",
r"ma?n",
r"ma+n",
r"ma*n",
r"a$",
r"\Athe",
r"\bfoo",
r"foo\b",
r"\Bfoo",
r"foo\B",
]
@settings(deadline=600)
@given(
booleans(),
integers(min_value=5, max_value=100),
integers(min_value=5, max_value=100),
)
def test_handle_constrained_string_with_min_length_and_max_length_and_regex(
to_lower: bool,
min_length: int,
max_length: int,
) -> None:
if min_length < 0 or max_length < 0 or min_length > max_length:
with pytest.raises(ParameterException):
handle_constrained_string_or_bytes(
random=Random(),
t_type=str,
lower_case=to_lower,
upper_case=to_lower,
min_length=min_length,
max_length=max_length,
pattern=None,
)
else:
for regex in REGEXES:
result = handle_constrained_string_or_bytes(
random=Random(),
t_type=str,
lower_case=to_lower,
upper_case=to_lower,
min_length=min_length,
max_length=max_length,
pattern=None,
)
if to_lower:
assert result == result.lower()
if match := re.search(regex, result):
assert match[0]
assert len(result) >= min_length
assert len(result) <= max_length
@given(booleans(), integers(max_value=10000), integers(max_value=10000))
def test_handle_constrained_string_with_min_length_and_max_length(
to_lower: bool,
min_length: int,
max_length: int,
) -> None:
if min_length < 0 or max_length < 0 or min_length > max_length:
with pytest.raises(ParameterException):
handle_constrained_string_or_bytes(
random=Random(),
t_type=str,
lower_case=to_lower,
upper_case=to_lower,
min_length=min_length,
max_length=max_length,
pattern=None,
)
else:
result = handle_constrained_string_or_bytes(
random=Random(),
t_type=str,
lower_case=to_lower,
upper_case=to_lower,
min_length=min_length,
max_length=max_length,
pattern=None,
)
if to_lower:
assert result == result.lower()
assert len(result) >= min_length
assert len(result) <= max_length
@given(booleans(), integers(max_value=10000))
def test_handle_constrained_string_with_min_length(to_lower: bool, min_length: int) -> None:
if min_length < 0:
with pytest.raises(ParameterException):
handle_constrained_string_or_bytes(
random=Random(),
t_type=str,
lower_case=to_lower,
upper_case=to_lower,
min_length=min_length,
pattern=None,
)
else:
result = handle_constrained_string_or_bytes(
random=Random(),
t_type=str,
lower_case=to_lower,
upper_case=to_lower,
min_length=min_length,
pattern=None,
)
if to_lower:
assert result == result.lower()
assert len(result) >= min_length
@given(booleans(), integers(max_value=10000))
def test_handle_constrained_string_with_max_length(to_lower: bool, max_length: int) -> None:
if max_length < 0:
with pytest.raises(ParameterException):
handle_constrained_string_or_bytes(
random=Random(),
t_type=str,
lower_case=to_lower,
upper_case=to_lower,
max_length=max_length,
pattern=None,
)
else:
result = handle_constrained_string_or_bytes(
random=Random(),
t_type=str,
lower_case=to_lower,
upper_case=to_lower,
max_length=max_length,
pattern=None,
)
if to_lower:
assert result == result.lower()
assert len(result) <= max_length
def test_pattern() -> None:
result = handle_constrained_string_or_bytes(
random=Random(),
t_type=str,
lower_case=False,
upper_case=True,
min_length=6,
max_length=10,
pattern="abc",
)
assert len(result) >= 6
assert len(result) <= 10
assert result.isupper()
result = handle_constrained_string_or_bytes(
random=Random(),
t_type=str,
lower_case=True,
upper_case=False,
min_length=6,
max_length=10,
pattern="abc",
)
assert len(result) >= 6
assert len(result) <= 10
assert not result.isupper()
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