def test_it_supports_slice_with_steps_on_objects(self):
fake_obj1 = self.objectFake()
fake_obj2 = self.objectFake()
fake_obj3 = self.objectFake()
fake_obj4 = self.objectFake()
self.wr_list = WeakList([fake_obj1, fake_obj2, fake_obj3, fake_obj4])
expected = WeakList([self.ref_item(1)(), self.ref_item(3)()])
self.assertEqual(expected, self.wr_list[1::2])
def test_it_supports_sort_with_reverse(self):
fake_obj0 = self.objectFake()
fake_obj1 = self.objectFake()
self.wr_list.extend([fake_obj0, fake_obj1])
expected = WeakList(sorted(list(self.wr_list), reverse=True))
not_expected = WeakList(sorted(list(self.wr_list)))
self.wr_list.sort(reverse=True)
self.assertEqual(expected, self.wr_list)
self.assertNotEqual(not_expected, self.wr_list)
def test_extend_update_finalizer(self):
fake_obj = self.objectFake()
wr_list = WeakList([fake_obj])
self.wr_list.extend(wr_list)
del fake_obj
self.assertEqual(1, len(wr_list))
self.assertEqual(1, len(self.wr_list))
def test_addition_update_finalizer(self):
fake_obj = self.objectFake()
wr_list = WeakList([fake_obj])
self.wr_list += wr_list
del fake_obj
self.assertEqual(1, len(wr_list))
self.assertEqual(1, len(self.wr_list))
def test_it_appends_ref_values_at_init_wth_exception(self):
fake_obj = self.objectFake()
wr_list = WeakList([fake_obj])
self.assertEqual(1, len(wr_list))
del fake_obj
self.assertEqual(1, len(wr_list))
with self.assertRaises(TreeDeletedException):
wr_list[0]
def test_it_supports_sort(self):
fake_obj0 = self.objectFake()
fake_obj1 = self.objectFake()
self.wr_list.extend([fake_obj1, fake_obj0])
expected = WeakList(sorted(list(self.wr_list)))
self.wr_list.sort()
self.assertGreater(fake_obj1, fake_obj0)
self.assertEqual(expected, self.wr_list)
def test_get_slice_update_finalizer(self):
fake_obj1 = self.objectFake()
fake_obj2 = self.objectFake()
self.wr_list = WeakList([fake_obj1, fake_obj2])
sliced = self.wr_list[1:]
del fake_obj2
self.assertEqual(2, len(self.wr_list))
self.assertEqual(1, len(sliced))
def test_extend_update_finalizer_with_exception(self):
fake_obj = self.objectFake()
wr_list = WeakList([fake_obj])
self.wr_list.extend(wr_list)
del fake_obj
self.assertEqual(1, len(wr_list))
self.assertEqual(1, len(self.wr_list))
with self.assertRaises(TreeDeletedException):
wr_list[0]
with self.assertRaises(TreeDeletedException):
self.wr_list[0]
def test_it_supports_sort_with_key(self):
def index_plus_2_if_odd(item):
return item.index + 2 if item.index % 2 != 0 else item.index
fake_obj0 = self.objectFake()
fake_obj1 = self.objectFake()
self.wr_list.extend([fake_obj1, fake_obj0])
expected = WeakList(sorted(list(self.wr_list),
key=index_plus_2_if_odd))
self.wr_list.sort(key=index_plus_2_if_odd)
self.assertEqual(expected, self.wr_list)
def test_get_slice_update_finalizer_with_exception(self):
fake_obj1 = self.objectFake()
fake_obj2 = self.objectFake()
self.wr_list = WeakList([fake_obj1, fake_obj2])
sliced = self.wr_list[1:]
del fake_obj2
self.assertEqual(2, len(self.wr_list)) #1
self.assertEqual(1, len(sliced)) #0
with self.assertRaises(TreeDeletedException):
sliced[0]
with self.assertRaises(TreeDeletedException):
self.wr_list[1]
def setUp(self):
self.wr_list = WeakList()
def test_it_supports_slice_on_int(self):
self.wr_list = WeakList(range(10))
self.assertEqual(
[self.ref_item(1),
self.ref_item(2),
self.ref_item(3)], self.wr_list[1:4])
def test_it_appends_ref_values_at_init(self):
fake_obj = self.objectFake()
wr_list = WeakList([fake_obj])
self.assertEqual(1, len(wr_list))
del fake_obj
self.assertEqual(1, len(wr_list))
def test_it_supports_addition(self):
fake_obj = self.objectFake()
expected = WeakList([fake_obj])
self.wr_list += expected
self.assertEqual(expected, self.wr_list)
self.assertEqual(1, len(self.wr_list))