def test_getitem_by_indices(self) -> None:
sut = SingleTypeEntityCollection()
entity1 = Entity()
entity2 = Entity()
entity3 = Entity()
sut.append(entity1, entity2, entity3)
self.assertSequenceEqual([entity1, entity3], sut[0::2])
def test_iter(self) -> None:
sut = SingleTypeEntityCollection()
entity1 = Entity()
entity2 = Entity()
entity3 = Entity()
sut.append(entity1, entity2, entity3)
self.assertSequenceEqual([entity1, entity2, entity3], list(sut))
def test_len(self) -> None:
sut = SingleTypeEntityCollection()
entity1 = Entity()
entity2 = Entity()
entity3 = Entity()
sut.append(entity1, entity2, entity3)
self.assertEqual(3, len(sut))
def test_contains(self) -> None:
sut = SingleTypeEntityCollection()
entity1 = Entity()
entity2 = Entity()
sut.append(entity1)
self.assertIn(entity1, sut)
self.assertNotIn(entity2, sut)
def test_clear(self) -> None:
sut = SingleTypeEntityCollection()
entity1 = Entity()
entity2 = Entity()
entity3 = Entity()
sut.append(entity1, entity2, entity3)
sut.clear()
self.assertSequenceEqual([], sut)
def test_remove(self) -> None:
sut = SingleTypeEntityCollection()
entity1 = Entity()
entity2 = Entity()
entity3 = Entity()
entity4 = Entity()
sut.append(entity1, entity2, entity3, entity4)
sut.remove(entity4, entity2)
self.assertSequenceEqual([entity1, entity3], sut)
def test_list(self) -> None:
sut = SingleTypeEntityCollection()
entity1 = Entity()
entity2 = Entity()
entity3 = Entity()
sut.append(entity1, entity2, entity3)
self.assertIs(entity1, sut[0])
self.assertIs(entity2, sut[1])
self.assertIs(entity3, sut[2])
def test_add(self) -> None:
sut1 = SingleTypeEntityCollection()
sut2 = SingleTypeEntityCollection()
entity1 = Entity()
entity2 = Entity()
sut1.append(entity1)
sut2.append(entity2)
sut_added = sut1 + sut2
self.assertIsInstance(sut_added, SingleTypeEntityCollection)
self.assertSequenceEqual([entity1, entity2], sut_added)
def test_delitem_by_entity_id(self) -> None:
sut = SingleTypeEntityCollection()
entity1 = Entity('1')
entity2 = Entity('2')
entity3 = Entity('3')
sut.append(entity1, entity2, entity3)
del sut['2']
self.assertSequenceEqual([entity1, entity3], sut)
def test_delitem_by_index(self) -> None:
sut = SingleTypeEntityCollection()
entity1 = Entity()
entity2 = Entity()
entity3 = Entity()
sut.append(entity1, entity2, entity3)
del sut[1]
self.assertSequenceEqual([entity1, entity3], sut)
def test_replace(self) -> None:
sut = SingleTypeEntityCollection()
entity1 = Entity()
entity2 = Entity()
entity3 = Entity()
entity4 = Entity()
entity5 = Entity()
entity6 = Entity()
sut.append(entity1, entity2, entity3)
sut.replace(entity4, entity5, entity6)
self.assertSequenceEqual([entity4, entity5, entity6], sut)
def test_getitem_by_entity_id(self) -> None:
sut = SingleTypeEntityCollection()
entity1 = Entity('1')
entity2 = Entity('2')
entity3 = Entity('3')
sut.append(entity1, entity2, entity3)
self.assertIs(entity1, sut['1'])
self.assertIs(entity2, sut['2'])
self.assertIs(entity3, sut['3'])
with self.assertRaises(KeyError):
sut['4']
def test_getitem_by_index(self) -> None:
sut = SingleTypeEntityCollection()
entity1 = Entity()
entity2 = Entity()
entity3 = Entity()
sut.append(entity1, entity2, entity3)
self.assertIs(entity1, sut[0])
self.assertIs(entity2, sut[1])
self.assertIs(entity3, sut[2])
with self.assertRaises(IndexError):
sut[3]
def test_set_like_functionality(self) -> None:
sut = SingleTypeEntityCollection()
entity1 = Entity()
entity2 = Entity()
entity3 = Entity()
entity4 = Entity()
entity5 = Entity()
entity6 = Entity()
entity7 = Entity()
entity8 = Entity()
entity9 = Entity()
# Ensure duplicates are skipped.
sut.append(entity1, entity2, entity3, entity1, entity2, entity3,
entity1, entity2, entity3)
# Ensure skipped duplicates do not affect further new values.
sut.append(entity1, entity2, entity3, entity4, entity5, entity6,
entity7, entity8, entity9)
self.assertSequenceEqual([
entity1, entity2, entity3, entity4, entity5, entity6, entity7,
entity8, entity9
], sut)
def test_append(self) -> None:
sut = SingleTypeEntityCollection()
entity1 = Entity()
entity2 = Entity()
entity3 = Entity()
sut.append(entity3)
sut.append(entity2)
sut.append(entity1)
# Append an already appended value again, and assert that it was ignored.
sut.append(entity1)
self.assertSequenceEqual([entity3, entity2, entity1], sut)