59 lines
1.7 KiB
Python
59 lines
1.7 KiB
Python
import sqlalchemy as sa
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from sqlalchemy_utils.functions import (
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mock_engine,
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render_expression,
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render_statement
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)
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from tests import TestCase
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class TestRender(TestCase):
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def create_models(self):
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class User(self.Base):
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__tablename__ = 'user'
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id = sa.Column(sa.Integer, autoincrement=True, primary_key=True)
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name = sa.Column(sa.Unicode(255))
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self.User = User
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def test_render_orm_query(self):
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query = self.session.query(self.User).filter_by(id=3)
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text = render_statement(query)
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assert 'SELECT user.id, user.name' in text
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assert 'FROM user' in text
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assert 'WHERE user.id = 3' in text
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def test_render_statement(self):
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statement = self.User.__table__.select().where(self.User.id == 3)
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text = render_statement(statement, bind=self.session.bind)
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assert 'SELECT user.id, user.name' in text
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assert 'FROM user' in text
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assert 'WHERE user.id = 3' in text
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def test_render_statement_without_mapper(self):
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statement = sa.select([sa.text('1')])
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text = render_statement(statement, bind=self.session.bind)
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assert 'SELECT 1' in text
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def test_render_ddl(self):
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expression = 'self.User.__table__.create(engine)'
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stream = render_expression(expression, self.engine)
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text = stream.getvalue()
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assert 'CREATE TABLE user' in text
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assert 'PRIMARY KEY' in text
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def test_render_mock_ddl(self):
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with mock_engine('self.engine') as stream:
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self.User.__table__.create(self.engine)
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text = stream.getvalue()
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assert 'CREATE TABLE user' in text
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assert 'PRIMARY KEY' in text
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