Alexander Hess
6cb4be80f6
- the Address.x and Address.y properties use the UTMCoordinate class behind the scenes - x and y are simple coordinates in an x-y plane - the (0, 0) origin is the southwest corner of Address.city.viewport
136 lines
4.2 KiB
Python
136 lines
4.2 KiB
Python
"""Test the ORM's `Address` model."""
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# pylint:disable=no-self-use,protected-access
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import pytest
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import sqlalchemy as sqla
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from sqlalchemy import exc as sa_exc
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from urban_meal_delivery import db
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class TestSpecialMethods:
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"""Test special methods in `Address`."""
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def test_create_address(self, address):
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"""Test instantiation of a new `Address` object."""
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assert address is not None
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def test_text_representation(self, address):
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"""`Address` has a non-literal text representation."""
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result = repr(address)
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assert result == f'<Address({address.street} in {address.city_name})>'
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@pytest.mark.db
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@pytest.mark.no_cover
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class TestConstraints:
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"""Test the database constraints defined in `Address`."""
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def test_insert_into_database(self, db_session, address):
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"""Insert an instance into the (empty) database."""
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assert db_session.query(db.Address).count() == 0
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db_session.add(address)
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db_session.commit()
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assert db_session.query(db.Address).count() == 1
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def test_delete_a_referenced_address(self, db_session, address, make_address):
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"""Remove a record that is referenced with a FK."""
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db_session.add(address)
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# Fake another_address that has the same `._primary_id` as `address`.
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db_session.add(make_address(_primary_id=address.id))
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db_session.commit()
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db_session.delete(address)
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with pytest.raises(
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sa_exc.IntegrityError, match='fk_addresses_to_addresses_via_primary_id',
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):
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db_session.commit()
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def test_delete_a_referenced_city(self, db_session, address):
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"""Remove a record that is referenced with a FK."""
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db_session.add(address)
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db_session.commit()
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# Must delete without ORM as otherwise an UPDATE statement is emitted.
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stmt = sqla.delete(db.City).where(db.City.id == address.city.id)
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with pytest.raises(
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sa_exc.IntegrityError, match='fk_addresses_to_cities_via_city_id',
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):
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db_session.execute(stmt)
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@pytest.mark.parametrize('latitude', [-91, 91])
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def test_invalid_latitude(self, db_session, address, latitude):
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"""Insert an instance with invalid data."""
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address.latitude = latitude
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db_session.add(address)
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with pytest.raises(
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sa_exc.IntegrityError, match='latitude_between_90_degrees',
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):
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db_session.commit()
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@pytest.mark.parametrize('longitude', [-181, 181])
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def test_invalid_longitude(self, db_session, address, longitude):
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"""Insert an instance with invalid data."""
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address.longitude = longitude
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db_session.add(address)
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with pytest.raises(
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sa_exc.IntegrityError, match='longitude_between_180_degrees',
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):
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db_session.commit()
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@pytest.mark.parametrize('zip_code', [-1, 0, 9999, 100000])
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def test_invalid_zip_code(self, db_session, address, zip_code):
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"""Insert an instance with invalid data."""
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address.zip_code = zip_code
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db_session.add(address)
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with pytest.raises(sa_exc.IntegrityError, match='valid_zip_code'):
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db_session.commit()
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@pytest.mark.parametrize('floor', [-1, 41])
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def test_invalid_floor(self, db_session, address, floor):
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"""Insert an instance with invalid data."""
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address.floor = floor
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db_session.add(address)
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with pytest.raises(sa_exc.IntegrityError, match='realistic_floor'):
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db_session.commit()
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class TestProperties:
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"""Test properties in `Address`."""
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def test_is_primary(self, address):
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"""Test `Address.is_primary` property."""
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assert address.id == address._primary_id # noqa:WPS437
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result = address.is_primary
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assert result is True
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def test_is_not_primary(self, address):
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"""Test `Address.is_primary` property."""
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address._primary_id = 999 # noqa:WPS437
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result = address.is_primary
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assert result is False
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def test_x_is_positive(self, address):
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"""Test `Address.x` property."""
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result = address.x
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assert result > 0
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def test_y_is_positive(self, address):
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"""Test `Address.y` property."""
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result = address.y
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assert result > 0
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