All smoke test for timeline-based is_fast measurement.

tools/telemetry/telemetry/web_perf/timeline_based_measurement_unittest.py

Index: tools/telemetry/telemetry/web_perf/timeline_based_measurement_unittest.py
diff --git a/tools/telemetry/telemetry/web_perf/timeline_based_measurement_unittest.py b/tools/telemetry/telemetry/web_perf/timeline_based_measurement_unittest.py
index e245cd5b8795fd6e93352007362db7a5b26ebf15..8c3607d7fabf10796b787f4263d8e77be4e61692 100644
--- a/tools/telemetry/telemetry/web_perf/timeline_based_measurement_unittest.py
+++ b/tools/telemetry/telemetry/web_perf/timeline_based_measurement_unittest.py
@@ -178,11 +178,12 @@ class TimelineBasedMetricsTests(unittest.TestCase):
 class TestTimelinebasedMeasurementPage(page_module.Page):
 
   def __init__(self, ps, base_dir, trigger_animation=False,
-               trigger_jank=False):
+               trigger_jank=False, trigger_slow=False):
     super(TestTimelinebasedMeasurementPage, self).__init__(
         'file://interaction_enabled_page.html', ps, base_dir)
     self._trigger_animation = trigger_animation
     self._trigger_jank = trigger_jank
+    self._trigger_slow = trigger_slow
 
   def RunSmoothness(self, action_runner):
     if self._trigger_animation:
@@ -191,6 +192,9 @@ class TestTimelinebasedMeasurementPage(page_module.Page):
     if self._trigger_jank:
       action_runner.TapElement('#jank-button')
       action_runner.WaitForJavaScriptCondition('window.jankScriptDone')
+    if self._trigger_slow:
+      action_runner.TapElement('#slow-button')
+      action_runner.WaitForJavaScriptCondition('window.slowScriptDone')
 
 
 class TimelineBasedMeasurementTest(page_test_test_case.PageTestTestCase):
@@ -214,6 +218,23 @@ class TimelineBasedMeasurementTest(page_test_test_case.PageTestTestCase):
     v = results.FindAllPageSpecificValuesNamed('DrawerAnimation-jank')
     self.assertEquals(len(v), 1)
 
+  def testFastTimelineBasedMeasurementForSmoke(self):
+    ps = self.CreateEmptyPageSet()
+    ps.AddPage(TestTimelinebasedMeasurementPage(
+        ps, ps.base_dir, trigger_slow=True))
+
+    measurement = tbm_module.TimelineBasedMeasurement()
+    results = self.RunMeasurement(measurement, ps, options=self._options)
+
+    self.assertEquals([], results.failures)
+    expected_names = [
+        'SlowThreadJsRun-fast-cpu_time',
+        'SlowThreadJsRun-fast-duration',
+        'SlowThreadJsRun-fast-idle_time',
+        ]
+    names = sorted(v.name for v in results.all_page_specific_values)
+    self.assertEquals(expected_names, names)

[nednguyen, 2014/08/14 01:33:47]

Can you compare the two sets instead? 

[slamm, 2014/08/14 17:27:08]

Done.

+

[nednguyen, 2014/08/14 01:33:47]

We can also assert duration >= 200 ms.

[slamm, 2014/08/14 17:27:09]

Done.

   # Disabled since mainthread_jank metric is not supported on windows platform.
   @benchmark.Disabled('win')
   def testMainthreadJankTimelineBasedMeasurement(self):