First cut of chrome-proxy (data reduction proxy) measurements.

tools/perf/metrics/timeline_unittest.py

 # Copyright 2013 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 unittest
 
+from metrics import metric_unittest
 from metrics import timeline
 from telemetry.core.timeline import bounds
 from telemetry.core.timeline import model as model_module
-from telemetry.page import page as page_module
-from telemetry.page import page_measurement_results
-from telemetry.value import scalar
-
-class TestPageMeasurementResults(
-    page_measurement_results.PageMeasurementResults):
-  def __init__(self, test):
-    super(TestPageMeasurementResults, self).__init__()
-    self.test = test
-    page = page_module.Page("http://www.google.com", {})
-    self.WillMeasurePage(page)
-
-  def GetPageSpecificValueNamed(self, name):
-    values = [value for value in self.all_page_specific_values
-         if value.name == name]
-    assert len(values) == 1, 'Could not find value named %s' % name
-    return values[0]
-
-  def AssertHasPageSpecificScalarValue(self, name, units, expected_value):
-    value = self.GetPageSpecificValueNamed(name)
-    self.test.assertEquals(units, value.units)
-    self.test.assertTrue(isinstance(value, scalar.ScalarValue))
-    self.test.assertEquals(expected_value, value.value)
-
-  def __str__(self):
-    return '\n'.join([repr(x) for x in self.all_page_specific_values])
 
 class LoadTimesTimelineMetric(unittest.TestCase):
   def GetResultsForModel(self, metric, model):
     metric.model = model
-    results = TestPageMeasurementResults(self)
+    results = metric_unittest.TestPageMeasurementResults(self)
     tab = None
     metric.AddResults(tab, results)
     return results
 
   def testSanitizing(self):
     model = model_module.TimelineModel()
     renderer_main = model.GetOrCreateProcess(1).GetOrCreateThread(2)
     renderer_main.name = 'CrRendererMain'
 
     # [      X       ]
@@ skipping 28 matching lines @@
     results = self.GetResultsForModel(metric, model)
     results.AssertHasPageSpecificScalarValue(
       'cat_x_y', 'count', 3)
     results.AssertHasPageSpecificScalarValue(
       'cat_x_y_avg', 'count', 1.5)
 
 
 class ThreadTimesTimelineMetricUnittest(unittest.TestCase):
   def GetResultsForModel(self, metric, model):
     metric.model = model
-    results = TestPageMeasurementResults(self)
+    results = metric_unittest.TestPageMeasurementResults(self)
     tab = None
     metric.AddResults(tab, results)
     return results
 
   def GetActionRange(self, start, end):
     action_range = bounds.Bounds()
     action_range.AddValue(start)
     action_range.AddValue(end)
     return action_range
 
@@ skipping 76 matching lines @@
     metric._action_ranges = [self.GetActionRange(10, 30)]
     metric.details_to_report = timeline.ReportMainThreadOnly
     results = self.GetResultsForModel(metric, model)
 
     # Test a couple specific results.
     assert_results = {
       timeline.ThreadCpuTimeResultName('renderer_main') : 9.0,
     }
     for name, value in assert_results.iteritems():
       results.AssertHasPageSpecificScalarValue(name, 'ms', value)