Asserting telemetry story display name length for filename creation.

telemetry/telemetry/page/page_unittest.py

Index: telemetry/telemetry/page/page_unittest.py
diff --git a/telemetry/telemetry/page/page_unittest.py b/telemetry/telemetry/page/page_unittest.py
index 76204650ceb56bd9a3897ef9f73ed453675fdc8e..d4e234adf087d3840d5e6337d0d88a075857a28b 100644
--- a/telemetry/telemetry/page/page_unittest.py
+++ b/telemetry/telemetry/page/page_unittest.py
@@ -44,6 +44,19 @@ class TestPage(unittest.TestCase):
     self.assertTrue(apage.file_path_url.endswith(os.sep) or
                     (os.altsep and apage.file_path_url.endswith(os.altsep)))
 
+  def testNameTooLong(self):
+    long_name = 'x' * 260
+    with self.assertRaises(Exception):
+      page.Page('file://somedir/otherdir/',
+                None, base_dir='basedir', name=long_name)
+
+  def testUrlTooLong(self):
+    long_name = 'x' * 260
+    long_url = 'file://somedir/otherdir/%s' % long_name
+    with self.assertRaises(Exception):
+      page.Page(long_url,
+                None, base_dir='basedir')
+
   def testSort(self):
     story_set = story.StorySet(base_dir=os.path.dirname(__file__))
     story_set.AddStory(