| # 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 os |
| import StringIO |
| import unittest |
| |
| from measurements import loading_measurement_analyzer |
| from telemetry.core import util |
| |
| class LoadingMeasurementAnalyzerUnitTest(unittest.TestCase): |
| |
| # TODO(tonyg): Remove this backfill when we can assume python 2.7 everywhere. |
| def assertIn(self, first, second, _=None): |
| self.assertTrue(first in second, |
| msg="'%s' not found in '%s'" % (first, second)) |
| |
| def testLoadingProfile(self): |
| output = StringIO.StringIO() |
| csv_path = os.path.join( |
| util.GetChromiumSrcDir(), |
| 'tools', 'perf', 'measurements','test_data', 'loading_profile.csv') |
| loading_measurement_analyzer.main([csv_path], stdout=output) |
| output = output.getvalue() |
| |
| # Get the summary right. |
| self.assertIn('Total URLs: 9', output) |
| self.assertIn('Total page load time: 51s', output) |
| self.assertIn('Average page load time: 5621ms', output) |
| |
| # Spot check a few samples. |
| self.assertIn('WTF::IntHash::hash: 1359797948period 1.1%', output) |
| self.assertIn('WebCore::rangesIntersect: 648335678period 0.5%', output) |
| self.assertIn('v8::internal::Scanner::Scan: 19668346period 0.0', output) |