Add robohornet as an animation test

tools/telemetry/telemetry/wait_interaction_unittest.py

Index: tools/telemetry/telemetry/wait_interaction_unittest.py
diff --git a/tools/telemetry/telemetry/wait_interaction_unittest.py b/tools/telemetry/telemetry/wait_interaction_unittest.py
new file mode 100644
index 0000000000000000000000000000000000000000..ca831ce155ddb4d75af178454c426abf84f14717
--- /dev/null
+++ b/tools/telemetry/telemetry/wait_interaction_unittest.py
@@ -0,0 +1,35 @@
+# Copyright (c) 2012 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+import os
+
+from telemetry import wait_interaction
+from telemetry import tab_test_case
+
+class WaitInteractionTest(tab_test_case.TabTestCase):
+  def testWaitInteraction(self):
+    unittest_data_dir = os.path.join(os.path.dirname(__file__),
+                                     '..', 'unittest_data')
+    self._browser.SetHTTPServerDirectory(unittest_data_dir)
+    self._tab.page.Navigate(
+      self._browser.http_server.UrlOf('blank.html'))
+    self._tab.WaitForDocumentReadyStateToBeComplete()
+    self.assertEquals(self._tab.runtime.Evaluate('document.location.pathname;'),
+                      '/blank.html')
+
+    i = wait_interaction.WaitInteraction({ 'duration' : 1 })
+    i.PerformInteraction(self._tab.page, self._tab)
+
+    rendering_stats_deltas = self._tab.runtime.Evaluate(
+      'window.__renderingStatsDeltas')
+
+    # TODO(vollick): This should really be checking numFramesSentToScreen. The
+    # reason that doesn't work is that chrome.gpuBenchmarking.renderingStats is
+    # not available during unit tests. The scrolling interaction unit test
+    # cheats to get this number. scroll.js, when it detects that there's no
+    # chrome.gpuBenchmarking.renderingStats, uses RafRenderingStats to generate
+    # its results. This is a completely different codepath than is used when the
+    # interactions are actually run, so I don't believe those numbers should be
+    # trusted. During unit tests, the only valid rendering stat, currently, is
+    # total time in seconds.
+    self.assertTrue(rendering_stats_deltas['totalTimeInSeconds'] > 0)