Merged revisions 74556 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk
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r74556 | kristjan.jonsson | 2009-08-27 22:20:21 +0000 (fim., 27 ßg·. 2009) | 2 lines
issue 6275
Add an "exc_value" attribute to the _AssertRaisesContext context manager in the unittest package. This allows further tests on the exception that was raised after the context manager exits.
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diff --git a/Doc/library/unittest.rst b/Doc/library/unittest.rst
index 984ec27..c6a6405 100644
--- a/Doc/library/unittest.rst
+++ b/Doc/library/unittest.rst
@@ -891,12 +891,19 @@
with self.failUnlessRaises(some_error_class):
do_something()
+ The context manager will store the caught exception object in its
+ :attr:`exc_value` attribute. This can be useful if the intention
+ is to perform additional checks on the exception raised.
+
.. versionchanged:: 3.1
Added the ability to use :meth:`assertRaises` as a context manager.
.. deprecated:: 3.1
:meth:`failUnlessRaises`.
+ .. versionchanged:: 3.1
+ Added the :attr:`exc_value` attribute.
+
.. method:: assertRaisesRegexp(exception, regexp[, callable, ...])