| # Copyright 2018 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. |
| |
| from telemetry.testing import options_for_unittests |
| from telemetry.testing import page_test_test_case |
| from telemetry.util import wpr_modes |
| |
| from measurements import rendering |
| from measurements import rendering_util |
| |
| RENDERING_THREAD_GROUPS = ['GPU', 'IO', 'browser', 'display_compositor', |
| 'other', 'raster', 'renderer_compositor', |
| 'renderer_main', 'total_all', 'total_fast_path'] |
| |
| class RenderingUnitTest(page_test_test_case.PageTestTestCase): |
| """Test for rendering measurement |
| |
| Runs rendering measurement on a simple page and verifies the existence of |
| all metrics in the results. The correctness of metrics is not tested here. |
| """ |
| |
| def setUp(self): |
| self._options = options_for_unittests.GetCopy() |
| self._options.browser_options.wpr_mode = wpr_modes.WPR_OFF |
| self._options.pageset_repeat = 2 |
| |
| def testRendering(self): |
| ps = self.CreateStorySetFromFileInUnittestDataDir('scrollable_page.html') |
| results = self.RunMeasurement( |
| rendering.Rendering(), ps, options=self._options) |
| self.assertFalse(results.had_failures) |
| stat = rendering_util.ExtractStat(results) |
| |
| self.assertGreater(stat['frame_times'].count, 1) |
| self.assertGreater(stat['percentage_smooth'].count, 1) |
| for thread_group in RENDERING_THREAD_GROUPS: |
| # We should have at least two sample values for each metric, since |
| # pageset_repeat is 2. |
| histogram_name = 'thread_%s_cpu_time_per_frame' % thread_group |
| self.assertGreater(stat[histogram_name].count, 1) |
