128 lines
3.9 KiB
Python
128 lines
3.9 KiB
Python
import pytest
|
|
import sqlalchemy as sa
|
|
from flexmock import flexmock
|
|
from sqlalchemy.dialects.postgresql import HSTORE
|
|
from sqlalchemy.orm import aliased
|
|
|
|
from sqlalchemy_utils import i18n, TranslationHybrid # noqa
|
|
|
|
|
|
@pytest.fixture
|
|
def translation_hybrid():
|
|
return TranslationHybrid('fi', 'en')
|
|
|
|
|
|
@pytest.fixture
|
|
def City(Base, translation_hybrid):
|
|
class City(Base):
|
|
__tablename__ = 'city'
|
|
id = sa.Column(sa.Integer, primary_key=True)
|
|
name_translations = sa.Column(HSTORE)
|
|
name = translation_hybrid(name_translations)
|
|
locale = 'en'
|
|
return City
|
|
|
|
|
|
@pytest.fixture
|
|
def init_models(City):
|
|
pass
|
|
|
|
|
|
@pytest.mark.usefixtures('postgresql_dsn')
|
|
@pytest.mark.skipif('i18n.babel is None')
|
|
class TestTranslationHybrid(object):
|
|
|
|
def test_using_hybrid_as_constructor(self, City):
|
|
city = City(name='Helsinki')
|
|
assert city.name_translations['fi'] == 'Helsinki'
|
|
|
|
def test_if_no_translation_exists_returns_none(self, City):
|
|
city = City()
|
|
assert city.name is None
|
|
|
|
def test_custom_default_value(self, City, translation_hybrid):
|
|
translation_hybrid.default_value = 'Some value'
|
|
city = City()
|
|
assert city.name is 'Some value'
|
|
|
|
def test_fall_back_to_default_translation(self, City, translation_hybrid):
|
|
city = City(name_translations={'en': 'Helsinki'})
|
|
translation_hybrid.current_locale = 'sv'
|
|
assert city.name == 'Helsinki'
|
|
|
|
def test_fallback_to_dynamic_locale(self, City, translation_hybrid):
|
|
translation_hybrid.current_locale = 'en'
|
|
translation_hybrid.default_locale = lambda self: self.locale
|
|
city = City(name_translations={})
|
|
city.locale = 'fi'
|
|
city.name_translations['fi'] = 'Helsinki'
|
|
|
|
assert city.name == 'Helsinki'
|
|
|
|
@pytest.mark.parametrize(
|
|
('name_translations', 'name'),
|
|
(
|
|
({'fi': 'Helsinki', 'en': 'Helsing'}, 'Helsinki'),
|
|
({'en': 'Helsinki'}, 'Helsinki'),
|
|
({'fi': 'Helsinki'}, 'Helsinki'),
|
|
({}, None),
|
|
)
|
|
)
|
|
def test_hybrid_as_an_expression(
|
|
self,
|
|
session,
|
|
City,
|
|
name_translations,
|
|
name
|
|
):
|
|
city = City(name_translations=name_translations)
|
|
session.add(city)
|
|
session.commit()
|
|
|
|
assert session.query(City.name).scalar() == name
|
|
|
|
def test_dynamic_locale(self, Base):
|
|
translation_hybrid = TranslationHybrid(
|
|
lambda obj: obj.locale,
|
|
'fi'
|
|
)
|
|
|
|
class Article(Base):
|
|
__tablename__ = 'article'
|
|
id = sa.Column(sa.Integer, primary_key=True)
|
|
name_translations = sa.Column(HSTORE)
|
|
name = translation_hybrid(name_translations)
|
|
locale = sa.Column(sa.String)
|
|
|
|
assert (
|
|
'coalesce(article.name_translations -> article.locale'
|
|
in str(Article.name.expression)
|
|
)
|
|
|
|
def test_locales_casted_only_in_compilation_phase(self, Base):
|
|
class LocaleGetter(object):
|
|
def current_locale(self):
|
|
return lambda obj: obj.locale
|
|
|
|
flexmock(LocaleGetter).should_receive('current_locale').never()
|
|
translation_hybrid = TranslationHybrid(
|
|
LocaleGetter().current_locale,
|
|
'fi'
|
|
)
|
|
|
|
class Article(Base):
|
|
__tablename__ = 'article'
|
|
id = sa.Column(sa.Integer, primary_key=True)
|
|
name_translations = sa.Column(HSTORE)
|
|
name = translation_hybrid(name_translations)
|
|
locale = sa.Column(sa.String)
|
|
|
|
Article.name
|
|
|
|
def test_no_implicit_join_when_using_aliased_entities(self, session, City):
|
|
# Ensure that queried entities are taken from the alias so that
|
|
# there isn't an extra join to the original entity.
|
|
CityAlias = aliased(City)
|
|
query_str = str(session.query(CityAlias.name))
|
|
assert query_str.endswith('FROM city AS city_1')
|