From: Ben Darnell <ben@bendarnell.com>
Date: Fri, 17 May 2013 02:56:14 +0000 (-0400)
Subject: Add test for option redefinition error.
X-Git-Tag: v3.1.0~73
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2e79c0630556125b567f770d9ef7b4eb8dd90662;p=thirdparty%2Ftornado.git

Add test for option redefinition error.
---

diff --git a/tornado/test/options_test.py b/tornado/test/options_test.py
index dc52a82a4..423fc357e 100644
--- a/tornado/test/options_test.py
+++ b/tornado/test/options_test.py
@@ -169,3 +169,11 @@ class OptionsTest(unittest.TestCase):
         options.define('foo', type=int, multiple=True)
         options.parse_command_line(['main.py', '--foo=1,3,5:7'])
         self.assertEqual(options.foo, [1, 3, 5, 6, 7])
+
+    def test_error_redefine(self):
+        options = OptionParser()
+        options.define('foo')
+        with self.assertRaises(Error) as cm:
+            options.define('foo')
+        self.assertRegexpMatches(str(cm.exception),
+                                 'Option.*foo.*already defined')