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docs: Add references to AsyncMock in unittest.mock.patch (#13681) 

Update the docs as patch can now return an AsyncMock if the patched
object is an async function.
This commit is contained in:
Mario Corchero 2019-09-09 15:18:06 +01:00 committed by Lisa Roach
parent fa3a38d81f
commit f5e7f39d29
2 changed files with 21 additions and 8 deletions
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20
Doc/library/unittest.mock.rst
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@ -1307,8 +1307,10 @@ patch
is patched with a *new* object. When the function/with statement exits
the patch is undone.
If *new* is omitted, then the target is replaced with a
:class:`MagicMock`. If :func:`patch` is used as a decorator and *new* is
If *new* is omitted, then the target is replaced with an
:class:`AsyncMock` if the patched object is an async function or
a :class:`MagicMock` otherwise.
If :func:`patch` is used as a decorator and *new* is
omitted, the created mock is passed in as an extra argument to the
decorated function. If :func:`patch` is used as a context manager the created
mock is returned by the context manager.
@ -1326,8 +1328,8 @@ patch
patch to pass in the object being mocked as the spec/spec_set object.
*new_callable* allows you to specify a different class, or callable object,
that will be called to create the *new* object. By default :class:`MagicMock` is
used.
that will be called to create the *new* object. By default :class:`AsyncMock`
is used for async functions and :class:`MagicMock` for the rest.
A more powerful form of *spec* is *autospec*. If you set ``autospec=True``
then the mock will be created with a spec from the object being replaced.
@ -1491,6 +1493,10 @@ work as expected::
...
>>> test()
.. versionchanged:: 3.8
:func:`patch` now returns an :class:`AsyncMock` if the target is an async function.
patch.object
~~~~~~~~~~~~
@ -2275,6 +2281,12 @@ See :ref:`auto-speccing` for examples of how to use auto-speccing with
:func:`create_autospec` and the *autospec* argument to :func:`patch`.
.. versionchanged:: 3.8
:func:`create_autospec` now returns an :class:`AsyncMock` if the target is
an async function.
ANY
~~~

9
Lib/unittest/mock.py
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@ -1631,8 +1631,9 @@ def patch(
is patched with a `new` object. When the function/with statement exits
the patch is undone.
If `new` is omitted, then the target is replaced with a
`MagicMock`. If `patch` is used as a decorator and `new` is
If `new` is omitted, then the target is replaced with an
`AsyncMock if the patched object is an async function or a
`MagicMock` otherwise. If `patch` is used as a decorator and `new` is
omitted, the created mock is passed in as an extra argument to the
decorated function. If `patch` is used as a context manager the created
mock is returned by the context manager.
@ -1650,8 +1651,8 @@ def patch(
patch to pass in the object being mocked as the spec/spec_set object.
`new_callable` allows you to specify a different class, or callable object,
that will be called to create the `new` object. By default `MagicMock` is
used.
that will be called to create the `new` object. By default `AsyncMock` is
used for async functions and `MagicMock` for the rest.
A more powerful form of `spec` is `autospec`. If you set `autospec=True`
then the mock will be created with a spec from the object being replaced.