55 lines
2.1 KiB
Python
55 lines
2.1 KiB
Python
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# Copyright 2013 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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import os
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import StringIO
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import unittest
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from measurements import loading_measurement_analyzer
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from telemetry.core import util
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class LoadingMeasurementAnalyzerUnitTest(unittest.TestCase):
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# TODO(tonyg): Remove this backfill when we can assume python 2.7 everywhere.
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def assertIn(self, first, second, msg=None):
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self.assertTrue(first in second,
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msg="'%s' not found in '%s'" % (first, second))
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def testLoadingProfile(self):
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output = StringIO.StringIO()
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csv_path = os.path.join(
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util.GetChromiumSrcDir(),
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'tools', 'perf', 'measurements','test_data', 'loading_profile.csv')
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loading_measurement_analyzer.main([csv_path], stdout=output)
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output = output.getvalue()
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# Get the summary right.
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self.assertIn('Total URLs: 9', output)
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self.assertIn('Total page load time: 51s', output)
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self.assertIn('Average page load time: 5621ms', output)
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# Spot check a few samples.
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self.assertIn('WTF::IntHash::hash: 1359797948period 1.1%', output)
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self.assertIn('WebCore::rangesIntersect: 648335678period 0.5%', output)
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self.assertIn('v8::internal::Scanner::Scan: 19668346period 0.0', output)
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def testLoadingTimeline(self):
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output = StringIO.StringIO()
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csv_path = os.path.join(
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util.GetChromiumSrcDir(),
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'tools', 'perf', 'measurements','test_data', 'loading_timeline.csv')
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loading_measurement_analyzer.main([csv_path], stdout=output)
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output = output.getvalue()
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# Get the summary right.
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self.assertIn('Total URLs: 9', output)
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self.assertIn('Total page load time: 4s', output)
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self.assertIn('Average page load time: 422ms', output)
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self.assertIn('Total CPU time: 4s', output)
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self.assertIn('Average CPU time: 430ms', output)
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# Spot check a few samples.
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self.assertIn('EvaluateScript: 0s 19.0%', output)
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self.assertIn('ParseHTML: 0s 9.4%', output)
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self.assertIn('GCEvent: 0s 3.7%', output)
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