bpo-38108: Makes mock objects inherit from Base (GH-16060)

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Lisa Roach 2019-09-28 18:42:44 -07:00 committed by GitHub
parent f185a73249
commit 9a7d951950
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GPG key ID: 4AEE18F83AFDEB23
4 changed files with 58 additions and 57 deletions

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@ -409,7 +409,7 @@ class NonCallableMock(Base):
if spec_arg and _is_async_obj(spec_arg):
bases = (AsyncMockMixin, cls)
new = type(cls.__name__, bases, {'__doc__': cls.__doc__})
instance = object.__new__(new)
instance = _safe_super(NonCallableMock, cls).__new__(new)
return instance
@ -990,17 +990,18 @@ class NonCallableMock(Base):
_type = type(self)
if issubclass(_type, MagicMock) and _new_name in _async_method_magics:
# Any asynchronous magic becomes an AsyncMock
klass = AsyncMock
elif _new_name in _sync_async_magics:
# Special case these ones b/c users will assume they are async,
# but they are actually sync (ie. __aiter__)
klass = MagicMock
elif issubclass(_type, AsyncMockMixin):
klass = AsyncMock
if _new_name in _all_sync_magics:
# Any synchronous magic becomes a MagicMock
klass = MagicMock
else:
klass = AsyncMock
elif not issubclass(_type, CallableMixin):
if issubclass(_type, NonCallableMagicMock):
klass = MagicMock
elif issubclass(_type, NonCallableMock) :
elif issubclass(_type, NonCallableMock):
klass = Mock
else:
klass = _type.__mro__[1]
@ -1886,6 +1887,7 @@ magic_methods = (
"round trunc floor ceil "
"bool next "
"fspath "
"aiter "
)
numerics = (
@ -2024,7 +2026,7 @@ def _set_return_value(mock, method, name):
class MagicMixin(object):
class MagicMixin(Base):
def __init__(self, /, *args, **kw):
self._mock_set_magics() # make magic work for kwargs in init
_safe_super(MagicMixin, self).__init__(*args, **kw)
@ -2032,13 +2034,14 @@ class MagicMixin(object):
def _mock_set_magics(self):
these_magics = _magics
orig_magics = _magics | _async_method_magics
these_magics = orig_magics
if getattr(self, "_mock_methods", None) is not None:
these_magics = _magics.intersection(self._mock_methods)
these_magics = orig_magics.intersection(self._mock_methods)
remove_magics = set()
remove_magics = _magics - these_magics
remove_magics = orig_magics - these_magics
for entry in remove_magics:
if entry in type(self).__dict__:
@ -2066,33 +2069,13 @@ class NonCallableMagicMock(MagicMixin, NonCallableMock):
self._mock_set_magics()
class AsyncMagicMixin:
class AsyncMagicMixin(MagicMixin):
def __init__(self, /, *args, **kw):
self._mock_set_async_magics() # make magic work for kwargs in init
self._mock_set_magics() # make magic work for kwargs in init
_safe_super(AsyncMagicMixin, self).__init__(*args, **kw)
self._mock_set_async_magics() # fix magic broken by upper level init
self._mock_set_magics() # fix magic broken by upper level init
def _mock_set_async_magics(self):
these_magics = _async_magics
if getattr(self, "_mock_methods", None) is not None:
these_magics = _async_magics.intersection(self._mock_methods)
remove_magics = _async_magics - these_magics
for entry in remove_magics:
if entry in type(self).__dict__:
# remove unneeded magic methods
delattr(self, entry)
# don't overwrite existing attributes if called a second time
these_magics = these_magics - set(type(self).__dict__)
_type = type(self)
for entry in these_magics:
setattr(_type, entry, MagicProxy(entry, self))
class MagicMock(MagicMixin, AsyncMagicMixin, Mock):
class MagicMock(MagicMixin, Mock):
"""
MagicMock is a subclass of Mock with default implementations
of most of the magic methods. You can use MagicMock without having to
@ -2114,7 +2097,7 @@ class MagicMock(MagicMixin, AsyncMagicMixin, Mock):
class MagicProxy(object):
class MagicProxy(Base):
def __init__(self, name, parent):
self.name = name
self.parent = parent