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Georg Brandl 2014-10-29 08:36:35 +01:00
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10
Doc/library/unittest.mock-examples.rst
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@ -513,7 +513,7 @@ Partial mocking
~~~~~~~~~~~~~~~
In some tests I wanted to mock out a call to `datetime.date.today()
<http://docs.python.org/library/datetime.html#datetime.date.today>`_ to return
<https://docs.python.org/library/datetime.html#datetime.date.today>`_ to return
a known date, but I didn't want to prevent the code under test from
creating new date objects. Unfortunately `datetime.date` is written in C, and
so I couldn't just monkey-patch out the static `date.today` method.
@ -557,13 +557,13 @@ Mocking a Generator Method
~~~~~~~~~~~~~~~~~~~~~~~~~~
A Python generator is a function or method that uses the `yield statement
<http://docs.python.org/reference/simple_stmts.html#the-yield-statement>`_ to
<https://docs.python.org/reference/simple_stmts.html#the-yield-statement>`_ to
return a series of values when iterated over [#]_.
A generator method / function is called to return the generator object. It is
the generator object that is then iterated over. The protocol method for
iteration is `__iter__
<http://docs.python.org/library/stdtypes.html#container.__iter__>`_, so we can
<https://docs.python.org/library/stdtypes.html#container.__iter__>`_, so we can
mock this using a `MagicMock`.
Here's an example class with an "iter" method implemented as a generator:
@ -1254,7 +1254,7 @@ With a bit of tweaking you could have the comparison function raise the
`AssertionError` directly and provide a more useful failure message.
As of version 1.5, the Python testing library `PyHamcrest
<http://pypi.python.org/pypi/PyHamcrest>`_ provides similar functionality,
<https://pypi.python.org/pypi/PyHamcrest>`_ provides similar functionality,
that may be useful here, in the form of its equality matcher
(`hamcrest.library.integration.match_equality
<http://packages.python.org/PyHamcrest/integration.html#hamcrest.library.integration.match_equality>`_).
<http://pythonhosted.org/PyHamcrest/integration.html#hamcrest.library.integration.match_equality>`_).