def test_save_cache_remove_from_index(self) -> None:
# Test that the cache is updated appropriately on a removal.
cache_element = DataMemoryElement()
self.assertTrue(cache_element.is_empty())
i = LinearHashIndex(cache_element)
# noinspection PyTypeChecker
i.build_index([
[0, 1, 0], # 2
[0, 1, 1], # 3
[1, 0, 0], # 4
[1, 1, 0]
]) # 6
self.assertFalse(cache_element.is_empty())
self.assertSetEqual(
set(numpy.load(BytesIO(cache_element.get_bytes()))), {2, 3, 4, 6})
# noinspection PyTypeChecker
i.remove_from_index([
[0, 1, 1], # 3
[1, 0, 0]
]) # 4
self.assertFalse(cache_element.is_empty())
self.assertSetEqual(
set(numpy.load(BytesIO(cache_element.get_bytes()))), {2, 6})
def test_remove_from_index(self) -> None:
# Test that actual removal occurs.
i = LinearHashIndex()
i.index = {0, 1, 2}
# noinspection PyTypeChecker
i.remove_from_index([[0, 0], [1, 0]])
self.assertSetEqual(i.index, {1})