| # 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 smoothness |
| from metrics.gpu_rendering_stats import GpuRenderingStats |
| from telemetry.page import page |
| from telemetry.page.page_measurement_results import PageMeasurementResults |
| |
| class SmoothnessMetricsUnitTest(unittest.TestCase): |
| def testCalcResultsRealRenderStats(self): |
| mock_rendering_stats_deltas = { |
| 'totalTimeInSeconds': 1.0, |
| 'numFramesSentToScreen': 100, |
| 'droppedFrameCount': 20, |
| 'numImplThreadScrolls': 50, |
| 'numMainThreadScrolls': 50, |
| 'numLayersDrawn': 240, |
| 'numMissingTiles': 10, |
| 'textureUploadCount': 120, |
| 'totalTextureUploadTimeInSeconds': 1.2, |
| 'totalCommitCount': 130, |
| 'totalCommitTimeInSeconds': 1.3, |
| 'totalDeferredImageDecodeCount': 140, |
| 'totalDeferredImageDecodeTimeInSeconds': 1.4, |
| 'totalDeferredImageCacheHitCount': 30, |
| 'totalImageGatheringCount': 150, |
| 'totalImageGatheringTimeInSeconds': 1.5, |
| 'totalTilesAnalyzed': 160, |
| 'totalTileAnalysisTimeInSeconds': 1.6, |
| 'solidColorTilesAnalyzed': 40, |
| 'inputEventCount': 170, |
| 'totalInputLatency': 1.7, |
| 'touchUICount': 180, |
| 'totalTouchUILatency': 1.8, |
| 'touchAckedCount': 190, |
| 'totalTouchAckedLatency': 1.9, |
| 'scrollUpdateCount': 200, |
| 'totalScrollUpdateLatency': 2.0} |
| stats = GpuRenderingStats(mock_rendering_stats_deltas) |
| |
| res = PageMeasurementResults() |
| res.WillMeasurePage(page.Page('http://foo.com/', None)) |
| smoothness.CalcResults(stats, res) |
| res.DidMeasurePage() |
| |
| # Scroll Results |
| self.assertAlmostEquals( |
| 1.0 / 100.0 * 1000.0, |
| res.page_results[0]['mean_frame_time'].value, 2) |
| self.assertAlmostEquals( |
| 20.0 / 100.0 * 100.0, |
| res.page_results[0]['dropped_percent'].value) |
| self.assertAlmostEquals( |
| 50.0 / (50.0 + 50.0) * 100.0, |
| res.page_results[0]['percent_impl_scrolled'].value) |
| self.assertAlmostEquals( |
| 240.0 / 100.0, |
| res.page_results[0]['average_num_layers_drawn'].value) |
| self.assertAlmostEquals( |
| 10.0 / 100.0, |
| res.page_results[0]['average_num_missing_tiles'].value) |
| |
| # Texture Upload Results |
| self.assertAlmostEquals( |
| 1.3 / 130.0 * 1000.0, |
| res.page_results[0]['average_commit_time'].value) |
| self.assertEquals( |
| 120, |
| res.page_results[0]['texture_upload_count'].value) |
| self.assertEquals( |
| 1.2, |
| res.page_results[0]['total_texture_upload_time'].value) |
| |
| # Image Decoding Results |
| self.assertEquals( |
| 140, |
| res.page_results[0]['total_deferred_image_decode_count'].value) |
| self.assertEquals( |
| 30, |
| res.page_results[0]['total_image_cache_hit_count'].value) |
| self.assertAlmostEquals( |
| 1.5 / 150.0 * 1000.0, |
| res.page_results[0]['average_image_gathering_time'].value) |
| self.assertEquals( |
| 1.4, |
| res.page_results[0]['total_deferred_image_decoding_time'].value) |
| |
| # Tile Analysis Results |
| self.assertEquals( |
| 160, |
| res.page_results[0]['total_tiles_analyzed'].value) |
| self.assertEquals( |
| 40, |
| res.page_results[0]['solid_color_tiles_analyzed'].value) |
| self.assertAlmostEquals( |
| 1.6 / 160.0 * 1000.0, |
| res.page_results[0]['average_tile_analysis_time'].value) |
| |
| # Latency Results |
| self.assertAlmostEquals( |
| 1.7 / 170.0 * 1000.0, |
| res.page_results[0]['average_latency'].value) |
| self.assertAlmostEquals( |
| 1.8 / 180.0 * 1000.0, |
| res.page_results[0]['average_touch_ui_latency'].value) |
| self.assertAlmostEquals( |
| 1.9 / 190.0 * 1000.0, |
| res.page_results[0]['average_touch_acked_latency'].value) |
| self.assertAlmostEquals( |
| 2.0 / 200.0 * 1000.0, |
| res.page_results[0]['average_scroll_update_latency'].value) |
