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Get mock coverage back to 100% (GH-18228)

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* use the `: pass` and `: yield` patterns for code that isn't expected to ever be executed.

* The _Call items passed to _AnyComparer are only ever of length two, so assert instead of if/else

* fix typo

* Fix bug, where stop-without-start patching dict blows up with `TypeError: 'NoneType' object is not iterable`, highlighted by lack of coverage of an except branch.

* The fix for bpo-37972 means _Call.count and _Call.index are no longer needed.

* add coverage for calling next() on a mock_open with readline.return_value set.

* __aiter__ is defined on the Mock so the one on _AsyncIterator is never called.
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Chris Withers 2020-01-29 16:24:54 +00:00 • committed by GitHub
parent a327677905
commit db5e86adbc
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4 changed files with 35 additions and 54 deletions
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8
Lib/unittest/test/testmock/testpatch.py
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@ -770,6 +770,14 @@ class PatchTest(unittest.TestCase):
self.assertEqual(d, original)
def test_patch_dict_stop_without_start(self):
d = {'foo': 'bar'}
original = d.copy()
patcher = patch.dict(d, [('spam', 'eggs')], clear=True)
self.assertEqual(patcher.stop(), False)
self.assertEqual(d, original)
def test_patch_dict_class_decorator(self):
this = self
d = {'spam': 'eggs'}