From: Raymond Hettinger <python@rcn.com>
Date: Mon, 17 Aug 2015 00:08:48 +0000 (-0700)
Subject: Add error information to a failing test to help diagnose a buildbot failure.
X-Git-Tag: v3.6.0a1~1777
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=bb562a9a5659d7c97790454e1b76819614dead26;p=python

Add error information to a failing test to help diagnose a buildbot failure.
---

diff --git a/Lib/test/test_symbol.py b/Lib/test/test_symbol.py
index 4475bbcac4..c126be3d01 100644
--- a/Lib/test/test_symbol.py
+++ b/Lib/test/test_symbol.py
@@ -38,7 +38,10 @@ class TestSymbolGeneration(unittest.TestCase):
         self.assertFalse(filecmp.cmp(SYMBOL_FILE, TEST_PY_FILE))
         self.assertEqual((0, b''), self._generate_symbols(GRAMMAR_FILE,
                                                           TEST_PY_FILE))
-        self.assertTrue(filecmp.cmp(SYMBOL_FILE, TEST_PY_FILE))
+        self.assertTrue(filecmp.cmp(SYMBOL_FILE, TEST_PY_FILE),
+                        'symbol stat: %r\ntest_py stat: %r\n' %
+                        (os.stat(SYMBOL_FILE),
+                         os.stat(TEST_PY_FILE)))
 
 
 if __name__ == "__main__":