def test_invalid_entry(self):
tl = TraitList([1, 2, 3, 4, 5],
item_validator=int_item_validator,
notifiers=[self.notification_handler])
with self.assertRaises(TraitError):
tl.append("A")
def test_append(self):
tl = TraitList([1],
item_validator=int_item_validator,
notifiers=[self.notification_handler])
tl.append(2)
self.assertEqual(self.index, 1)
self.assertEqual(self.removed, [])
self.assertEqual(self.added, [2])
def test_append_validates(self):
tl = TraitList([1],
item_validator=int_item_validator,
notifiers=[self.notification_handler])
with self.assertRaises(TraitError):
tl.append(1.0)
self.assertEqual(tl, [1])
self.assertIsNone(self.index)
self.assertIsNone(self.removed)
self.assertIsNone(self.added)
def test_append_converts(self):
tl = TraitList([2],
item_validator=int_item_validator,
notifiers=[self.notification_handler])
tl.append(False)
self.assertEqual(tl, [2, 0])
self.assertEqual(self.index, 1)
self.assertEqual(self.removed, [])
self.assertEqual(self.added, [0])
self.assertTrue(
all(type(item) is int for item in tl),
msg="Non-integers found in int-only list",
)
self.assertTrue(
all(type(item) is int for item in self.added),
msg="Event contains non-integers for int-only list",
)
def test_list_of_lists(self):
tl = TraitList([[1]],
item_validator=list_item_validator,
notifiers=[self.notification_handler])
tl.append([2])