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How to use _default_data method in molecule

Best Python code snippet using molecule_python

_metadata_test.py

Source:_metadata_test.py

1# Copyright 2020 gRPC authors.2#3# Licensed under the Apache License, Version 2.0 (the "License");4# you may not use this file except in compliance with the License.5# You may obtain a copy of the License at6#7#     http://www.apache.org/licenses/LICENSE-2.08#9# Unless required by applicable law or agreed to in writing, software10# distributed under the License is distributed on an "AS IS" BASIS,11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.12# See the License for the specific language governing permissions and13# limitations under the License.14"""Tests for the metadata abstraction that's used in the asynchronous driver."""15import logging16import unittest17from grpc.experimental.aio import Metadata18class TestTypeMetadata(unittest.TestCase):19    """Tests for the metadata type"""20    _DEFAULT_DATA = (("key1", "value1"), ("key2", "value2"))21    _MULTI_ENTRY_DATA = (("key1", "value1"), ("key1", "other value 1"),22                         ("key2", "value2"))23    def test_init_metadata(self):24        test_cases = {25            "emtpy": (),26            "with-single-data": self._DEFAULT_DATA,27            "with-multi-data": self._MULTI_ENTRY_DATA,28        }29        for case, args in test_cases.items():30            with self.subTest(case=case):31                metadata = Metadata(*args)32                self.assertEqual(len(metadata), len(args))33    def test_get_item(self):34        metadata = Metadata(("key", "value1"), ("key", "value2"),35                            ("key2", "other value"))36        self.assertEqual(metadata["key"], "value1")37        self.assertEqual(metadata["key2"], "other value")38        self.assertEqual(metadata.get("key"), "value1")39        self.assertEqual(metadata.get("key2"), "other value")40        with self.assertRaises(KeyError):41            metadata["key not found"]42        self.assertIsNone(metadata.get("key not found"))43    def test_add_value(self):44        metadata = Metadata()45        metadata.add("key", "value")46        metadata.add("key", "second value")47        metadata.add("key2", "value2")48        self.assertEqual(metadata["key"], "value")49        self.assertEqual(metadata["key2"], "value2")50    def test_get_all_items(self):51        metadata = Metadata(*self._MULTI_ENTRY_DATA)52        self.assertEqual(metadata.get_all("key1"), ["value1", "other value 1"])53        self.assertEqual(metadata.get_all("key2"), ["value2"])54        self.assertEqual(metadata.get_all("non existing key"), [])55    def test_container(self):56        metadata = Metadata(*self._MULTI_ENTRY_DATA)57        self.assertIn("key1", metadata)58    def test_equals(self):59        metadata = Metadata()60        for key, value in self._DEFAULT_DATA:61            metadata.add(key, value)62        metadata2 = Metadata(*self._DEFAULT_DATA)63        self.assertEqual(metadata, metadata2)64        self.assertNotEqual(metadata, "foo")65    def test_repr(self):66        metadata = Metadata(*self._DEFAULT_DATA)67        expected = "Metadata({0!r})".format(self._DEFAULT_DATA)68        self.assertEqual(repr(metadata), expected)69    def test_set(self):70        metadata = Metadata(*self._MULTI_ENTRY_DATA)71        override_value = "override value"72        for _ in range(3):73            metadata["key1"] = override_value74        self.assertEqual(metadata["key1"], override_value)75        self.assertEqual(metadata.get_all("key1"),76                         [override_value, "other value 1"])77        empty_metadata = Metadata()78        for _ in range(3):79            empty_metadata["key"] = override_value80        self.assertEqual(empty_metadata["key"], override_value)81        self.assertEqual(empty_metadata.get_all("key"), [override_value])82    def test_set_all(self):83        metadata = Metadata(*self._DEFAULT_DATA)84        metadata.set_all("key", ["value1", b"new value 2"])85        self.assertEqual(metadata["key"], "value1")86        self.assertEqual(metadata.get_all("key"), ["value1", b"new value 2"])87    def test_delete_values(self):88        metadata = Metadata(*self._MULTI_ENTRY_DATA)89        del metadata["key1"]90        self.assertEqual(metadata.get("key1"), "other value 1")91        metadata.delete_all("key1")92        self.assertNotIn("key1", metadata)93        metadata.delete_all("key2")94        self.assertEqual(len(metadata), 0)95        with self.assertRaises(KeyError):96            del metadata["other key"]97    def test_metadata_from_tuple(self):98        scenarios = (99            (None, Metadata()),100            (Metadata(), Metadata()),101            (self._DEFAULT_DATA, Metadata(*self._DEFAULT_DATA)),102            (self._MULTI_ENTRY_DATA, Metadata(*self._MULTI_ENTRY_DATA)),103            (Metadata(*self._DEFAULT_DATA), Metadata(*self._DEFAULT_DATA)),104        )105        for source, expected in scenarios:106            with self.subTest(raw_metadata=source, expected=expected):107                self.assertEqual(expected, Metadata.from_tuple(source))108if __name__ == '__main__':109    logging.basicConfig()...

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