def test_barcelona(self):
results = students_from_city(db, 'Barcelona')
self.assertIsInstance(results, list)
self.assertEqual(len(results), 0)
def test_berlin(self):
results = students_from_city(db, 'Berlin')
self.assertIsInstance(results, list)
self.assertEqual(len(results), 2)
def test_brussels(self):
results = students_from_city(db, 'Brussels')
self.assertIsInstance(results, list)
self.assertEqual(len(results), 1)
def test_paris(self):
results = students_from_city(db, 'Paris')
self.assertIsInstance(results, list)
self.assertEqual(len(results), 5)