def test_get_siblings(self):
member = Person(5, "Dummy", "Male")
mother = Person(9, "Mother", "Female")
son = Person(7, "Son", "Male")
daughter = Person(7, "Daughter", "Female")
self.assertEqual(Relations().get_siblings(member), [])
member.mother = mother
self.assertEqual(Relations().get_siblings(member), [])
mother.children.extend([member, son, daughter])
member.mother = mother
siblings = Relations().get_siblings(member)
self.assertEqual(len(siblings), 2)
def test_get_siblings(self):
person = Person(5, "Dummy", "Male")
mother = Person(9, "Mother", "Female")
son = Person(7, "Son", "Male")
daughter = Person(7, "Daughter", "Female")
self.assertEqual(person.get_siblings(), [])
person.mother = mother
self.assertEqual(person.get_siblings(), [])
mother.children.extend([person, son, daughter])
person.mother = mother
siblings = person.get_siblings()
self.assertEqual(len(siblings), 2)
def test_get_maternal_grandmother(self):
member = Person(7, "alpha", "Male")
mother = Person(8, "beta", "Female")
grandmother = Person(9, "charlie", "Female")
# error cases
self.assertEqual(Relations().get_paternal_grandmother(member), None)
member.mother = mother
self.assertEqual(Relations().get_paternal_grandmother(member), None)
member.mother.mother = grandmother
self.assertEqual(Relations().get_maternal_grandmother(member), grandmother)
def test_get_maternal_grandmother(self):
child = Person(7, "alpha", "Male")
mother = Person(8, "beta", "Female")
grandmother = Person(9, "charlie", "Female")
# error cases
self.assertEqual(child.get_paternal_grandmother(), None)
child.mother = mother
self.assertEqual(child.get_paternal_grandmother(), None)
child.mother.mother = grandmother
self.assertEqual(child.get_maternal_grandmother(), grandmother)