1 files changed, 61 insertions, 0 deletions
diff --git a/test/unittest_checker_exceptions.py b/test/unittest_checker_exceptions.py
new file mode 100644
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+++ b/test/unittest_checker_exceptions.py
@@ -0,0 +1,61 @@
+# Copyright (c) 2003-2015 LOGILAB S.A. (Paris, FRANCE).
+# http://www.logilab.fr/ -- mailto:contact@logilab.fr
+#
+# This program is free software; you can redistribute it and/or modify it under
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation; either version 2 of the License, or (at your option) any later
+# version.
+#
+# This program is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along with
+# this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+"""Tests for pylint.checkers.exceptions."""
+
+import sys
+import unittest
+
+from astroid import test_utils
+from pylint.checkers import exceptions
+from pylint.testutils import CheckerTestCase, Message
+
+
+class ExceptionsCheckerTest(CheckerTestCase):
+    """Tests for pylint.checkers.exceptions."""
+
+    CHECKER_CLASS = exceptions.ExceptionsChecker
+
+    # These tests aren't in the functional test suite,
+    # since they will be converted with 2to3 for Python 3
+    # and `raise (Error, ...)` will be converted to
+    # `raise Error(...)`, so it beats the purpose of the test.
+
+    @unittest.skipUnless(sys.version_info[0] == 3,
+                         "The test should emit an error on Python 3.")
+    def test_raising_bad_type_python3(self):
+        node = test_utils.extract_node('raise (ZeroDivisionError, None)  #@')
+        message = Message('raising-bad-type', node=node, args='tuple')
+        with self.assertAddsMessages(message):
+            self.checker.visit_raise(node)
+
+    @unittest.skipUnless(sys.version_info[0] == 2,
+                         "The test is valid only on Python 2.")
+    def test_raising_bad_type_python2(self):
+        nodes = test_utils.extract_node('''
+        raise (ZeroDivisionError, None)  #@
+        from something import something
+        raise (something, None) #@
+
+        raise (4, None) #@
+        ''')
+        with self.assertNoMessages():
+            self.checker.visit_raise(nodes[0])
+        with self.assertNoMessages():
+            self.checker.visit_raise(nodes[1])
+
+        message = Message('raising-bad-type', node=nodes[2], args='tuple')
+        with self.assertAddsMessages(message):
+            self.checker.visit_raise(nodes[2])