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import pytest
import sqlalchemy as sa
from sqlalchemy_utils import Currency, CurrencyType, i18n
from sqlalchemy_utils.compat import _select_args
@pytest.fixture
def set_get_locale():
i18n.get_locale = lambda: i18n.babel.Locale('en')
@pytest.fixture
def User(Base):
class User(Base):
__tablename__ = 'user'
id = sa.Column(sa.Integer, primary_key=True)
currency = sa.Column(CurrencyType)
def __repr__(self):
return 'User(%r)' % self.id
return User
@pytest.fixture
def init_models(User):
pass
@pytest.mark.skipif('i18n.babel is None')
class TestCurrencyType:
def test_parameter_processing(self, session, User, set_get_locale):
user = User(
currency=Currency('USD')
)
session.add(user)
session.commit()
user = session.query(User).first()
assert user.currency.name == 'US Dollar'
def test_scalar_attributes_get_coerced_to_objects(
self,
User,
set_get_locale
):
user = User(currency='USD')
assert isinstance(user.currency, Currency)
def test_literal_param(self, session, User):
clause = User.currency == 'USD'
compiled = str(clause.compile(compile_kwargs={'literal_binds': True}))
assert compiled == '"user".currency = \'USD\''
def test_compilation(self, User, session):
query = sa.select(*_select_args(User.currency))
# the type should be cacheable and not throw exception
session.execute(query)
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