def test_pop_index_error_when_no_default_provided(self, dict_type):
proxy = Cut(dict_type({"a": [[1]]}))
with pytest.raises(IndexError) as error:
proxy.pop("a[0][1]")
expected_error = IndexError(
f"Cannot access index '1' in path 'a[0][1]', "
f"because of error: {repr(IndexError('pop index out of range'))}.")
assert str(error.value) == str(expected_error)
def test_attribute_error(self, dict_type):
proxy = Cut(dict_type({"a": 42}))
with pytest.raises(AttributeError) as error:
proxy.pop("a.b")
expected_error = AttributeError(
"Unable to pop item 'b' in key 'a.b': "
"the element must be a dictionary or a list but is of type '<class 'int'>'."
)
assert str(error.value) == str(expected_error)
def test_key_error_when_no_default_provided(self, dict_type, data, path,
failing_key):
proxy = Cut(dict_type(deepcopy(data)))
with pytest.raises(KeyError) as error:
proxy.pop(path)
expected_error = KeyError(
f"Cannot access key '{failing_key}' in path '{path}', "
f"because of error: {repr(KeyError(failing_key))}.")
assert str(error.value) == str(expected_error)
def test_list_index_error_when_no_default_provided(self, dict_type, data,
path, failing_index):
proxy = Cut(dict_type(deepcopy(data)))
with pytest.raises(IndexError) as error:
proxy.pop(path)
expected_error = IndexError(
f"Cannot access index '{failing_index}' in path '{path}', "
f"because of error: {repr(IndexError('list index out of range'))}."
)
assert str(error.value) == str(expected_error)
def test_with_default(self, dict_type, data, key, default):
proxy = Cut(dict_type(deepcopy(data)))
assert proxy.pop(key, default) == default
def test_pop(self, dict_type, data, key, result):
proxy = Cut(dict_type(deepcopy(data)))
assert proxy.pop(key) == result
assert key not in proxy