def test_children_have_their_errors_dicts_built(self):
e1, e2 = (
ValidationError("message 1", validator="foo", path=["bar", 0]),
ValidationError("message 2", validator="quux", path=["bar", 0]),
)
tree = ErrorTree([e1, e2])
self.assertEqual(tree["bar"][0].errors, {"foo": e1, "quux": e2})
def test_it_creates_a_child_tree_for_each_nested_path(self):
errors = [
ValidationError("a bar message", path=["bar"]),
ValidationError("a bar -> 0 message", path=["bar", 0]),
]
tree = ErrorTree(errors)
self.assertIn(0, tree["bar"])
self.assertNotIn(1, tree["bar"])
def test_if_its_in_the_tree_anyhow_it_does_not_raise_an_error(self):
"""
If a validator is dumb (like :validator:`required` in draft 3) and
refers to a path that isn't in the instance, the tree still properly
returns a subtree for that path.
"""
error = ValidationError(
"a message", validator="foo", instance={}, path=["foo"],
)
tree = ErrorTree([error])
self.assertIsInstance(tree["foo"], ErrorTree)
def test_it_does_not_contain_subtrees_that_are_not_in_the_instance(self):
error = ValidationError("a message", validator="foo", instance=[])
tree = ErrorTree([error])
with self.assertRaises(IndexError):
tree[0]
def test_validators_that_failed_appear_in_errors_dict(self):
error = ValidationError("a message", validator="foo")
tree = ErrorTree([error])
self.assertEqual(tree.errors, {"foo": error})
def test_it_does_not_contain_an_item_if_the_item_had_no_error(self):
errors = [ValidationError("a message", path=["bar"])]
tree = ErrorTree(errors)
self.assertNotIn("foo", tree)
def test_it_contains_an_item_if_the_item_had_an_error(self):
errors = [ValidationError("a message", path=["bar"])]
tree = ErrorTree(errors)
self.assertIn("bar", tree)
def test_it_knows_how_many_total_errors_it_contains(self):
errors = [mock.MagicMock() for _ in range(8)]
tree = ErrorTree(errors)
self.assertEqual(tree.total_errors, 8)
