CodePlex Issue #30119 Plain Text Attachments

spam.py

import unittest
from System import InvalidOperationException
class Issue(unittest.TestCase):
    def test_assertRaises(self):
        with self.assertRaises(InvalidOperationException):
            raise InvalidOperationException('assertRaises should catch this')

unittest.patch

Only in unittest: __main__.py
diff -u --recursive -b a/lib/unittest/case.py b/lib/unittest/case.py
--- a/lib/unittest/case.py    2010-08-24 13:53:44.000000000 -1000
+++ b/lib/unittest/case.py    2011-02-07 12:19:52.545875000 -1000
@@ -1,5 +1,6 @@
 """Test case implementation"""
 
+import clr
 import sys
 import functools
 import difflib
@@ -110,10 +111,15 @@
                 exc_name = str(self.expected)
             raise self.failureException(
                 "{0} not raised".format(exc_name))
-        if not issubclass(exc_type, self.expected):
-            # let unexpected exceptions pass through
+        # Save an expected exception in self.exception.
+        # Let any other exception propagate through.
+        if issubclass(exc_type, self.expected):
+            self.exception = exc_value
+        elif (hasattr(exc_value, 'clsException') and
+              isinstance(exc_value.clsException, self.expected)):
+            self.exception = exc_value.clsException
+        else:
             return False
-        self.exception = exc_value # store for later retrieval
         if self.expected_regexp is None:
             return True