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from dataclasses import dataclass
from random import Random
from typing import List, Union
import pytest
from faker import Faker
from faker.config import AVAILABLE_LOCALES
from polyfactory.factories.dataclass_factory import DataclassFactory
FakerLocaleType = Union[str, List[str]]
RANDINT_MAP = {i: Random(i).randint(0, 10) for i in range(3)}
FAKER_LOCALES: List[FakerLocaleType] = [
AVAILABLE_LOCALES[0],
AVAILABLE_LOCALES[1],
AVAILABLE_LOCALES[2],
AVAILABLE_LOCALES[:3],
]
@pytest.mark.parametrize("seed", RANDINT_MAP.keys())
def test_setting_random(seed: int) -> None:
@dataclass
class Foo:
foo: int
class FooFactory(DataclassFactory[Foo]):
__model__ = Foo
__random__ = Random(seed)
@classmethod
def foo(cls) -> int:
return cls.__random__.randint(0, 10)
assert FooFactory.build().foo == RANDINT_MAP[seed]
@pytest.mark.parametrize("seed", RANDINT_MAP.keys())
def test_setting_random_seed_on_random(seed: int) -> None:
@dataclass
class Foo:
foo: int
class FooFactory(DataclassFactory[Foo]):
__model__ = Foo
__random_seed__ = seed
@classmethod
def foo(cls) -> int:
return cls.__random__.randint(0, 10)
assert FooFactory.build().foo == RANDINT_MAP[seed]
@pytest.mark.parametrize("seed", RANDINT_MAP.keys())
def test_setting_random_seed_on_faker(seed: int) -> None:
@dataclass
class Foo:
foo: int
class FooFactory(DataclassFactory[Foo]):
__model__ = Foo
__random_seed__ = seed
@classmethod
def foo(cls) -> int:
return cls.__faker__.random_digit()
assert FooFactory.build().foo == RANDINT_MAP[seed]
def test_setting_random_seed_on_multiple_factories() -> None:
foo_seed = 0
bar_seed = 1
@dataclass
class Foo:
foo: int
@dataclass
class Bar:
bar: int
class FooFactory(DataclassFactory[Foo]):
__model__ = Foo
__random_seed__ = foo_seed
@classmethod
def foo(cls) -> int:
return cls.__random__.randint(0, 10)
class BarFactory(DataclassFactory[Bar]):
__model__ = Bar
__random_seed__ = bar_seed
@classmethod
def bar(cls) -> int:
return cls.__random__.randint(0, 10)
assert FooFactory.build().foo == RANDINT_MAP[foo_seed]
assert BarFactory.build().bar == RANDINT_MAP[bar_seed]
def test_no_override_of_faker() -> None:
faker = Faker()
@dataclass
class Foo:
foo: int
class FooFactory(DataclassFactory[Foo]):
__model__ = Foo
__faker__ = faker
__random_seed__ = 10
assert FooFactory.__faker__ is faker
@pytest.mark.parametrize("locale", FAKER_LOCALES)
def test_faker_locale_preserved(locale: FakerLocaleType) -> None:
@dataclass
class Foo:
foo: int
class FooFactory(DataclassFactory[Foo]):
__model__ = Foo
__faker__ = Faker(locale=locale)
__random_seed__ = 10
expected_locales = [locale] if isinstance(locale, str) else locale
assert FooFactory.__faker__.locales == expected_locales
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