Merged revisions 78091,78094,78109 via svnmerge from

svn+ssh://pythondev@svn.python.org/python/trunk

........
  r78091 | georg.brandl | 2010-02-07 19:02:22 +0200 (Sun, 07 Feb 2010) | 1 line

  Rename "exc_value" attribute on assertRaises context manager to "exception".
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  r78094 | michael.foord | 2010-02-07 20:44:12 +0200 (Sun, 07 Feb 2010) | 1 line

  assertRaises as context manager now allows you to access exception as documented
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  r78109 | ezio.melotti | 2010-02-08 23:52:08 +0200 (Mon, 08 Feb 2010) | 1 line

  Fix exc_value -> exception in docstring
........

1 files changed, 5 insertions, 5 deletions

diff --git a/Lib/unittest/case.py b/Lib/unittest/case.py
index 8632652..a4e45aa 100644
--- a/Lib/unittest/case.py
+++ b/Lib/unittest/case.py
@@ -99,7 +99,7 @@ class _AssertRaisesContext(object):
         self.expected_regex = expected_regexp
 
     def __enter__(self):
-        pass
+        return self
 
     def __exit__(self, exc_type, exc_value, tb):
         if exc_type is None:
@@ -116,8 +116,8 @@ class _AssertRaisesContext(object):
         if not issubclass(exc_type, self.expected):
             # let unexpected exceptions pass through
             return False
-        #store exception, without traceback, for later retrieval
-        self.exc_value = exc_value.with_traceback(None)
+        # store exception, without traceback, for later retrieval
+        self.exception = exc_value.with_traceback(None)
         if self.expected_regex is None:
             return True
 
@@ -397,12 +397,12 @@ class TestCase(object):
                     do_something()
 
            The context manager keeps a reference to the exception as
-           the exc_value attribute. This allows you to inspect the
+           the 'exception' attribute. This allows you to inspect the
            exception after the assertion::
 
                with self.assertRaises(SomeException) as cm:
                    do_something()
-               the_exception = cm.exc_value
+               the_exception = cm.exception
                self.assertEqual(the_exception.error_code, 3)
         """
         context = _AssertRaisesContext(excClass, self, callableObj)