52 lines
1.7 KiB
Python
52 lines
1.7 KiB
Python
from pytest import raises
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import sqlalchemy as sa
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from sqlalchemy_utils.functions.sort_query import make_order_by_deterministic
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from tests import assert_contains, TestCase
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class TestMakeOrderByDeterministic(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, primary_key=True)
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name = sa.Column(sa.Unicode)
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email = sa.Column(sa.Unicode, unique=True)
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email_lower = sa.orm.column_property(
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sa.func.lower(name)
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)
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self.User = User
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def test_column_property(self):
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query = self.session.query(self.User).order_by(self.User.email_lower)
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with raises(TypeError):
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make_order_by_deterministic(query)
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def test_unique_column(self):
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query = self.session.query(self.User).order_by(self.User.email)
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query = make_order_by_deterministic(query)
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assert str(query).endswith('ORDER BY "user".email')
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def test_non_unique_column(self):
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query = self.session.query(self.User).order_by(self.User.name)
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query = make_order_by_deterministic(query)
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assert_contains('ORDER BY "user".name, "user".id ASC', query)
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def test_descending_order_by(self):
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query = self.session.query(self.User).order_by(
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sa.desc(self.User.name)
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)
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query = make_order_by_deterministic(query)
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assert_contains('ORDER BY "user".name DESC, "user".id DESC', query)
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def test_ascending_order_by(self):
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query = self.session.query(self.User).order_by(
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sa.asc(self.User.name)
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)
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query = make_order_by_deterministic(query)
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assert_contains('ORDER BY "user".name ASC, "user".id ASC', query)
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