100 lines
2.6 KiB
Python
100 lines
2.6 KiB
Python
from unittest import mock
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import unittest
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class CharmTestCase(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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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(self, method):
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_m = unittest.mock.patch.object(self.obj, method)
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mock = _m.start()
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self.addCleanup(_m.stop)
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return mock
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def patch_all(self):
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for method in self.patches:
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setattr(self, method, self._patch(method))
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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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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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class TestConfig(object):
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def __init__(self):
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self.config = {}
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self.config_prev = {}
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def __call__(self, key=None):
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if key:
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return self.get(key)
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else:
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return self
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def previous(self, k):
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return self.config_prev[k] if k in self.config_prev else self.config[k]
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def set_previous(self, k, v):
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self.config_prev[k] = v
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def unset_previous(self, k):
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if k in self.config_prev:
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self.config_prev.pop(k)
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def changed(self, k):
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if not self.config_prev:
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return True
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return self.get(k) != self.previous(k)
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def get(self, attr=None):
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if not attr:
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return self
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try:
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return self.config[attr]
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except KeyError:
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return None
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def get_all(self):
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return self.config
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def set(self, attr, value):
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self.config[attr] = value
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def __getitem__(self, k):
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return self.get(k)
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