9d06bb890f
Currently interacting with functions in zaza.model requires the model to be passed in. This has resulted in multiple calls to get_juju_model(). It is cleaner to push these calls down into the model wrapper and make the model_name an optional argument. In addition, the current model name is now cached without having to check the os.env each time. Unfortunately this has resulted in the signature changing on a great many function so this diff is bigger than would normally be desirable.
85 lines
2.8 KiB
Python
85 lines
2.8 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# Note that the unit_tests/__init__.py also mocks out two charmhelpers imports
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# that have side effects that try to apt install modules:
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# sys.modules['charmhelpers.contrib.openstack.utils'] = mock.MagicMock()
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# sys.modules['charmhelpers.contrib.network.ip'] = mock.MagicMock()
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import contextlib
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import io
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import mock
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import unittest
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@contextlib.contextmanager
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def patch_open():
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'''Patch open() to allow mocking both open() itself and the file that is
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yielded.
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Yields the mock for "open" and "file", respectively.'''
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mock_open = mock.MagicMock(spec=open)
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mock_file = mock.MagicMock(spec=io.FileIO)
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@contextlib.contextmanager
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def stub_open(*args, **kwargs):
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mock_open(*args, **kwargs)
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yield mock_file
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with mock.patch('builtins.open', stub_open):
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yield mock_open, mock_file
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class BaseTestCase(unittest.TestCase):
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def setUp(self):
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self._patches = {}
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self._patches_start = {}
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def tearDown(self):
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for k, v in self._patches.items():
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print("Stopping patch {} {}".format(k, v))
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v.stop()
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setattr(self, k, None)
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self._patches = None
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self._patches_start = None
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def patch_object(self, obj, attr, return_value=None, name=None, new=None,
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**kwargs):
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if name is None:
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name = attr
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if new is not None:
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mocked = mock.patch.object(obj, attr, new=new, **kwargs)
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else:
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mocked = mock.patch.object(obj, attr, **kwargs)
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self._patches[name] = mocked
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started = mocked.start()
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if new is None:
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started.return_value = return_value
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self._patches_start[name] = started
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print("Starting patch {}".format(name))
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setattr(self, name, started)
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def patch(self, item, return_value=None, name=None, new=None, **kwargs):
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if name is None:
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raise RuntimeError("Must pass 'name' to .patch()")
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if new is not None:
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mocked = mock.patch(item, new=new, **kwargs)
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else:
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mocked = mock.patch(item, **kwargs)
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self._patches[name] = mocked
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started = mocked.start()
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if new is None:
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started.return_value = return_value
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self._patches_start[name] = started
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setattr(self, name, started)
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