1 # Copyright 2015 The Chromium Authors. All rights reserved. 2 # Use of this source code is governed by a BSD-style license that can be 3 # found in the LICENSE file. 4 5 from telemetry import decorators 6 7 from telemetry.internal.actions import page_action 8 from telemetry.internal.actions import repeatable_scroll 9 from telemetry.internal.actions import utils 10 from telemetry.internal.browser import browser_info as browser_info_module 11 from telemetry.testing import tab_test_case 12 13 14 class RepeatableScrollActionTest(tab_test_case.TabTestCase): 15 16 def setUp(self): 17 tab_test_case.TabTestCase.setUp(self) 18 self.Navigate('blank.html') 19 utils.InjectJavaScript(self._tab, 'gesture_common.js') 20 21 # Make page taller than window so it's scrollable. 22 self._tab.ExecuteJavaScript('document.body.style.height =' 23 '(3 * __GestureCommon_GetWindowHeight() + 1) + "px";') 24 25 self.assertEquals( 26 self._tab.EvaluateJavaScript('document.scrollingElement.scrollTop'), 0) 27 28 self._browser_info = browser_info_module.BrowserInfo(self._tab.browser) 29 self._window_height = int(self._tab.EvaluateJavaScript( 30 '__GestureCommon_GetWindowHeight()')) 31 32 def testRepeatableScrollActionNoRepeats(self): 33 if not self._browser_info.HasRepeatableSynthesizeScrollGesture(): 34 return 35 36 expected_scroll = (self._window_height / 2) - 1 37 38 i = repeatable_scroll.RepeatableScrollAction(y_scroll_distance_ratio=0.5) 39 i.WillRunAction(self._tab) 40 41 i.RunAction(self._tab) 42 43 scroll_position = self._tab.EvaluateJavaScript( 44 'document.scrollingElement.scrollTop') 45 # We can only expect the final scroll position to be approximatly equal. 46 self.assertTrue(abs(scroll_position - expected_scroll) < 20, 47 msg='scroll_position=%d;expected %d' % (scroll_position, 48 expected_scroll)) 49 50 def testRepeatableScrollActionTwoRepeats(self): 51 if not self._browser_info.HasRepeatableSynthesizeScrollGesture(): 52 return 53 54 expected_scroll = ((self._window_height / 2) - 1) * 3 55 56 i = repeatable_scroll.RepeatableScrollAction(y_scroll_distance_ratio=0.5, 57 repeat_count=2, 58 repeat_delay_ms=1) 59 i.WillRunAction(self._tab) 60 61 i.RunAction(self._tab) 62 63 scroll_position = self._tab.EvaluateJavaScript( 64 'document.scrollingElement.scrollTop') 65 # We can only expect the final scroll position to be approximatly equal. 66 self.assertTrue(abs(scroll_position - expected_scroll) < 20, 67 msg='scroll_position=%d;expected %d' % (scroll_position, 68 expected_scroll)) 69 70 # Regression test for crbug.com/627166 71 # TODO(ulan): enable for Android after catapult:#2475 is fixed. 72 @decorators.Disabled('all') 73 def testRepeatableScrollActionNoRepeatsZoomed(self): 74 if (not self._browser_info.HasRepeatableSynthesizeScrollGesture() or 75 not page_action.IsGestureSourceTypeSupported(self._tab, 'touch')): 76 return 77 78 self._tab.action_runner.PinchPage(scale_factor=0.1) 79 80 inner_height = self._tab.EvaluateJavaScript('window.innerHeight') 81 outer_height = self._tab.EvaluateJavaScript('window.outerHeight') 82 83 self.assertGreater(inner_height, outer_height) 84 85 i = repeatable_scroll.RepeatableScrollAction(y_scroll_distance_ratio=0.5) 86 i.WillRunAction(self._tab) 87 i.RunAction(self._tab) 88 # If scroll coordinates are computed incorrectly Chrome will crash with 89 # [FATAL:synthetic_gesture_target_base.cc(62)] Check failed: 90 # web_touch.touches[i].state != WebTouchPoint::StatePressed || 91 # PointIsWithinContents(web_touch.touches[i].position.x, 92 # web_touch.touches[i].position.y). Touch coordinates are not within content 93 # bounds on TouchStart. 94
