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