urban-meal-delivery/tests/db/test_cities.py

96 lines
2.8 KiB
Python

"""Test the ORM's `City` model."""
import pytest
from urban_meal_delivery import db
from urban_meal_delivery.db import utils
class TestSpecialMethods:
"""Test special methods in `City`."""
def test_create_city(self, city):
"""Test instantiation of a new `City` object."""
assert city is not None
def test_text_representation(self, city):
"""`City` has a non-literal text representation."""
result = repr(city)
assert result == f'<City({city.name})>'
@pytest.mark.db
@pytest.mark.no_cover
class TestConstraints:
"""Test the database constraints defined in `City`."""
def test_insert_into_database(self, db_session, city):
"""Insert an instance into the (empty) database."""
assert db_session.query(db.City).count() == 0
db_session.add(city)
db_session.commit()
assert db_session.query(db.City).count() == 1
class TestProperties:
"""Test properties in `City`."""
def test_center(self, city, city_data):
"""Test `City.center` property."""
result = city.center
assert isinstance(result, utils.Location)
assert result.latitude == pytest.approx(city_data['center_latitude'])
assert result.longitude == pytest.approx(city_data['center_longitude'])
def test_center_is_cached(self, city):
"""Test `City.center` property."""
result1 = city.center
result2 = city.center
assert result1 is result2
def test_northeast(self, city, city_data):
"""Test `City.northeast` property."""
result = city.northeast
assert isinstance(result, utils.Location)
assert result.latitude == pytest.approx(city_data['northeast_latitude'])
assert result.longitude == pytest.approx(city_data['northeast_longitude'])
def test_northeast_is_cached(self, city):
"""Test `City.northeast` property."""
result1 = city.northeast
result2 = city.northeast
assert result1 is result2
def test_southwest(self, city, city_data):
"""Test `City.southwest` property."""
result = city.southwest
assert isinstance(result, utils.Location)
assert result.latitude == pytest.approx(city_data['southwest_latitude'])
assert result.longitude == pytest.approx(city_data['southwest_longitude'])
def test_southwest_is_cached(self, city):
"""Test `City.southwest` property."""
result1 = city.southwest
result2 = city.southwest
assert result1 is result2
def test_total_x(self, city):
"""Test `City.total_x` property."""
result = city.total_x
assert result > 18_000
def test_total_y(self, city):
"""Test `City.total_y` property."""
result = city.total_y
assert result > 9_000