Files
deb-python-sqlalchemy-utils/tests/functions/test_get_tables.py
2015-03-17 17:35:55 +02:00

77 lines
2.3 KiB
Python

import sqlalchemy as sa
from sqlalchemy_utils import get_tables
from tests import TestCase
class TestGetTables(TestCase):
def create_models(self):
class TextItem(self.Base):
__tablename__ = 'text_item'
id = sa.Column(sa.Integer, primary_key=True)
name = sa.Column(sa.Unicode(255))
type = sa.Column(sa.Unicode(255))
__mapper_args__ = {
'polymorphic_on': type,
'with_polymorphic': '*'
}
class Article(TextItem):
__tablename__ = 'article'
id = sa.Column(
sa.Integer, sa.ForeignKey(TextItem.id), primary_key=True
)
__mapper_args__ = {
'polymorphic_identity': u'article'
}
self.TextItem = TextItem
self.Article = Article
def test_child_class_using_join_table_inheritance(self):
assert get_tables(self.Article) == [
self.TextItem.__table__,
self.Article.__table__
]
def test_entity_using_with_polymorphic(self):
assert get_tables(self.TextItem) == [
self.TextItem.__table__,
self.Article.__table__
]
def test_instrumented_attribute(self):
assert get_tables(self.TextItem.name) == [
self.TextItem.__table__,
]
def test_polymorphic_instrumented_attribute(self):
assert get_tables(self.Article.id) == [
self.TextItem.__table__,
self.Article.__table__
]
def test_column(self):
assert get_tables(self.Article.__table__.c.id) == [
self.Article.__table__
]
def test_mapper_entity_with_class(self):
query = self.session.query(self.Article)
assert get_tables(query._entities[0]) == [
self.TextItem.__table__, self.Article.__table__
]
def test_mapper_entity_with_mapper(self):
query = self.session.query(sa.inspect(self.Article))
assert get_tables(query._entities[0]) == [
self.TextItem.__table__, self.Article.__table__
]
def test_column_entity(self):
query = self.session.query(self.Article.id)
assert get_tables(query._entities[0]) == [
self.TextItem.__table__, self.Article.__table__
]