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| 1 #!/usr/bin/env python | |
| 2 # Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 3 # Use of this source code is governed by a BSD-style license that can be | |
| 4 # found in the LICENSE file. | |
| 5 | |
| 6 import pyauto_tracing | |
| 7 import pyauto | |
| 8 import tracer | |
| 9 | |
| 10 | |
| 11 class TracingSmokeTest(pyauto.PyUITest): | |
| 12 """Test basic functionality of the tracing API.""" | |
| 13 def setUp(self): | |
| 14 super(TracingSmokeTest, self).setUp() | |
| 15 self._tracer_factory = tracer.TracerFactory(self) | |
| 16 | |
| 17 def testGetData(self): | |
| 18 """Check that we can find a CrBrowserMain thread.""" | |
| 19 tracer = self._tracer_factory.Produce() | |
| 20 tracer.BeginTracing() | |
| 21 model = tracer.EndTracing() | |
| 22 self.assertEqual(1, len(model.FindAllThreadsNamed('CrBrowserMain'))) | |
| 23 | |
| 24 def testMultipleTraces(self): | |
| 25 """Check that we can run multiple traces on the same tracer.""" | |
| 26 tracer = self._tracer_factory.Produce() | |
| 27 tracer.BeginTracing() | |
| 28 model1 = tracer.EndTracing() | |
| 29 tracer.BeginTracing() | |
| 30 model2 = tracer.EndTracing() | |
| 31 self.assertEqual(1, len(model1.FindAllThreadsNamed('CrBrowserMain'))) | |
| 32 self.assertEqual(1, len(model2.FindAllThreadsNamed('CrBrowserMain'))) | |
| 33 | |
| 34 def testMultipleTracers(self): | |
| 35 """Check that we can run multiple traces with multiple tracers.""" | |
| 36 tracer1 = self._tracer_factory.Produce() | |
| 37 tracer2 = self._tracer_factory.Produce() | |
| 38 # Nested calls to beginTracing is untested and probably won't work. | |
| 39 tracer1.BeginTracing() | |
| 40 model1 = tracer1.EndTracing() | |
| 41 tracer2.BeginTracing() | |
| 42 model2 = tracer2.EndTracing() | |
| 43 self.assertEqual(1, len(model1.FindAllThreadsNamed('CrBrowserMain'))) | |
| 44 self.assertEqual(1, len(model2.FindAllThreadsNamed('CrBrowserMain'))) | |
| 45 | |
| 46 def testModelValidAfterTracer(self): | |
| 47 """Check that a TimelineModel is valid after its Tracer is gone.""" | |
| 48 tracer = self._tracer_factory.Produce() | |
| 49 del self._tracer_factory | |
| 50 tracer.BeginTracing() | |
| 51 model = tracer.EndTracing() | |
| 52 del tracer | |
| 53 self.assertEqual(1, len(model.FindAllThreadsNamed('CrBrowserMain'))) | |
| 54 | |
| 55 | |
| 56 if __name__ == '__main__': | |
| 57 pyauto_tracing.Main() | |
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