| # |
| # Licensed to the Apache Software Foundation (ASF) under one or more |
| # contributor license agreements. See the NOTICE file distributed with |
| # this work for additional information regarding copyright ownership. |
| # The ASF licenses this file to You under the Apache License, Version 2.0 |
| # (the "License"); you may not use this file except in compliance with |
| # the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| # |
| from __future__ import absolute_import |
| |
| import sys |
| |
| import numpy as np |
| |
| |
| class ExtraAssertionsMixin(object): |
| |
| if sys.version_info[0] < 3: |
| |
| def assertCountEqual(self, first, second, msg=None): |
| """Assert that two containers have the same number of the same items in |
| any order. |
| """ |
| return self.assertItemsEqual(first, second, msg=msg) |
| |
| def assertUnhashableCountEqual(self, data1, data2): |
| """Assert that two containers have the same items, with special treatment |
| for numpy arrays. |
| """ |
| try: |
| self.assertCountEqual(data1, data2) |
| except (TypeError, ValueError): |
| data1 = [self._to_hashable(d) for d in data1] |
| data2 = [self._to_hashable(d) for d in data2] |
| self.assertCountEqual(data1, data2) |
| |
| def _to_hashable(self, element): |
| try: |
| hash(element) |
| return element |
| except TypeError: |
| pass |
| |
| if isinstance(element, list): |
| return tuple(self._to_hashable(e) for e in element) |
| |
| if isinstance(element, dict): |
| hashable_elements = [] |
| for key, value in sorted(element.items(), key=lambda t: hash(t[0])): |
| hashable_elements.append((key, self._to_hashable(value))) |
| return tuple(hashable_elements) |
| |
| if isinstance(element, np.ndarray): |
| return element.tobytes() |
| |
| raise AssertionError("Encountered unhashable element: {}.".format(element)) |