decoupled_test.py

def test_decoupled_sold_product_percent(self):
    # Arrange
    session = mock.Mock()
    session.query.return_value = session
    session.filter.return_value = session
    session.where.return_value = session
    session.group_by.return_value = session
    session.all.return_value = [(76, 'cheese_cake'),
                                (67, 'chocolate_cake'),
                                (70, 'coffee'),
                                (17, 'hot_dog'),
                                (70, 'tea')]
    # Act
    output = sold_product_percent(session)

    # Assert
    assert type(output) == dict
    assert 99 < sum(output.values()) < 100