third_party/blink/renderer/modules/media_controls/elements/media_control_overlay_play_button_element_test.cc - chromium/src - Git at Google

 // Copyright 2017 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.

 #include "third_party/blink/renderer/modules/media_controls/elements/media_control_overlay_play_button_element.h"

 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/blink/renderer/core/css/css_property_value_set.h"
 #include "third_party/blink/renderer/core/dom/events/event.h"
 #include "third_party/blink/renderer/core/dom/node_computed_style.h"
 #include "third_party/blink/renderer/core/event_type_names.h"
 #include "third_party/blink/renderer/core/events/mouse_event.h"
 #include "third_party/blink/renderer/core/frame/local_dom_window.h"
 #include "third_party/blink/renderer/core/html/html_html_element.h"
 #include "third_party/blink/renderer/core/html/media/html_video_element.h"
 #include "third_party/blink/renderer/core/testing/page_test_base.h"
 #include "third_party/blink/renderer/modules/media_controls/media_controls_impl.h"
 #include "third_party/blink/renderer/platform/testing/runtime_enabled_features_test_helpers.h"

 namespace blink {

 class MediaControlOverlayPlayButtonElementTest
     : public PageTestBase,
       private ScopedModernMediaControlsForTest {
  public:
   MediaControlOverlayPlayButtonElementTest()
       : ScopedModernMediaControlsForTest(true) {}

   void SetUp() final {
     // Create page with video element with controls.
     PageTestBase::SetUp();
     HTMLVideoElement* media_element = HTMLVideoElement::Create(GetDocument());
     media_element->SetBooleanAttribute(HTMLNames::controlsAttr, true);
     GetDocument().body()->AppendChild(media_element);

     // Create instance of MediaControlOverlayPlayButtonElement for tests.
     MediaControlsImpl* media_controls =
         static_cast<MediaControlsImpl*>(media_element->GetMediaControls());
     ASSERT_NE(nullptr, media_controls);
     overlay_play_button_ =
         new MediaControlOverlayPlayButtonElement(*media_controls);

     // Create instance of AnimatedArrow to run tests on.
     arrow_element_ = new MediaControlOverlayPlayButtonElement::AnimatedArrow(
         "test", GetDocument());
     GetDocument().body()->AppendChild(arrow_element_);
   }

  protected:
   void ExpectNotPresent() { EXPECT_FALSE(SVGElementIsPresent()); }

   void ExpectPresentAndShown() {
     EXPECT_TRUE(SVGElementIsPresent());
     EXPECT_FALSE(SVGElementHasDisplayValue());
   }

   void ExpectPresentAndHidden() {
     EXPECT_TRUE(SVGElementIsPresent());
     EXPECT_TRUE(SVGElementHasDisplayValue());
   }

   void SimulateShow() { arrow_element_->Show(); }

   void SimulateAnimationIteration() {
     Event* event = Event::Create(EventTypeNames::animationiteration);
     GetElementById("arrow-3")->DispatchEvent(*event);
   }

   void RemoveInternalButton() {
     overlay_play_button_->internal_button_ = nullptr;
   }

   void EnsureNoComputedStyle() {
     // Due to the nature of the test setup, we already get a null computedstyle
     // for free :). Just make sure it's actually not there.
     ASSERT_EQ(nullptr, overlay_play_button_->GetComputedStyle());
   }

   Document& CreateTestDocumentWithBody() {
     Document* document = Document::CreateForTest();
     HTMLHtmlElement* html = HTMLHtmlElement::Create(*document);
     document->AppendChild(html);
     document->documentElement()->SetInnerHTMLFromString("<body></body>");
     return *document;
   }

   void CreateTestOverlayPlayButton(Document& test_document) {
     // Create a video element so that a MediaControlsImpl is created.
     HTMLVideoElement* media_element = HTMLVideoElement::Create(test_document);
     media_element->SetBooleanAttribute(HTMLNames::controlsAttr, true);
     test_document.body()->AppendChild(media_element);

     MediaControlsImpl* media_controls =
         static_cast<MediaControlsImpl*>(media_element->GetMediaControls());
     ASSERT_NE(nullptr, media_controls);

     // Create a MediaControlOverlayPlayButtonElement for testing.
     overlay_play_button_ =
         new MediaControlOverlayPlayButtonElement(*media_controls);
   }

   void SimulateKeepEventInNode() {
     MouseEventInit mouse_initializer;
     mouse_initializer.setView(GetDocument().domWindow());
     mouse_initializer.setButton(1);

     MouseEvent* mouse_event =
         MouseEvent::Create(nullptr, EventTypeNames::click, mouse_initializer);
     overlay_play_button_->KeepEventInNode(*mouse_event);
   }

  private:
   bool SVGElementHasDisplayValue() {
     return GetElementById("jump")->InlineStyle()->HasProperty(
         CSSPropertyDisplay);
   }

   bool SVGElementIsPresent() { return GetElementById("jump"); }

   Element* GetElementById(const AtomicString& id) {
     return GetDocument().body()->getElementById(id);
   }

   Persistent<MediaControlOverlayPlayButtonElement> overlay_play_button_;
   Persistent<MediaControlOverlayPlayButtonElement::AnimatedArrow>
       arrow_element_;
 };

 TEST_F(MediaControlOverlayPlayButtonElementTest, ShowIncrementsCounter) {
   ExpectNotPresent();

   // Start a new show.
   SimulateShow();
   ExpectPresentAndShown();

   // Increment the counter and finish the first show.
   SimulateShow();
   SimulateAnimationIteration();
   ExpectPresentAndShown();

   // Finish the second show.
   SimulateAnimationIteration();
   ExpectPresentAndHidden();

   // Start a new show.
   SimulateShow();
   ExpectPresentAndShown();
 }

 TEST_F(MediaControlOverlayPlayButtonElementTest,
        KeepEventInNodeWithoutInternalButtonDoesntCrash) {
   RemoveInternalButton();
   SimulateKeepEventInNode();
 }

 TEST_F(MediaControlOverlayPlayButtonElementTest,
        KeepEventInNodeWithoutComputedStyleDoesntCrash) {
   EnsureNoComputedStyle();
   SimulateKeepEventInNode();
 }

 TEST_F(MediaControlOverlayPlayButtonElementTest,
        KeepEventInNodeWithoutLayoutViewDoesntCrash) {
   Document& document_without_layout_view = CreateTestDocumentWithBody();
   CreateTestOverlayPlayButton(document_without_layout_view);
   SimulateKeepEventInNode();
 }

 }  // namespace blink
	// Copyright 2017 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.

	#include "third_party/blink/renderer/modules/media_controls/elements/media_control_overlay_play_button_element.h"

	#include "testing/gtest/include/gtest/gtest.h"
	#include "third_party/blink/renderer/core/css/css_property_value_set.h"
	#include "third_party/blink/renderer/core/dom/events/event.h"
	#include "third_party/blink/renderer/core/dom/node_computed_style.h"
	#include "third_party/blink/renderer/core/event_type_names.h"
	#include "third_party/blink/renderer/core/events/mouse_event.h"
	#include "third_party/blink/renderer/core/frame/local_dom_window.h"
	#include "third_party/blink/renderer/core/html/html_html_element.h"
	#include "third_party/blink/renderer/core/html/media/html_video_element.h"
	#include "third_party/blink/renderer/core/testing/page_test_base.h"
	#include "third_party/blink/renderer/modules/media_controls/media_controls_impl.h"
	#include "third_party/blink/renderer/platform/testing/runtime_enabled_features_test_helpers.h"

	namespace blink {

	class MediaControlOverlayPlayButtonElementTest
	: public PageTestBase,
	private ScopedModernMediaControlsForTest {
	public:
	MediaControlOverlayPlayButtonElementTest()
	: ScopedModernMediaControlsForTest(true) {}

	void SetUp() final {
	// Create page with video element with controls.
	PageTestBase::SetUp();
	HTMLVideoElement* media_element = HTMLVideoElement::Create(GetDocument());
	media_element->SetBooleanAttribute(HTMLNames::controlsAttr, true);
	GetDocument().body()->AppendChild(media_element);

	// Create instance of MediaControlOverlayPlayButtonElement for tests.
	MediaControlsImpl* media_controls =
	static_cast<MediaControlsImpl*>(media_element->GetMediaControls());
	ASSERT_NE(nullptr, media_controls);
	overlay_play_button_ =
	new MediaControlOverlayPlayButtonElement(*media_controls);

	// Create instance of AnimatedArrow to run tests on.
	arrow_element_ = new MediaControlOverlayPlayButtonElement::AnimatedArrow(
	"test", GetDocument());
	GetDocument().body()->AppendChild(arrow_element_);
	}

	protected:
	void ExpectNotPresent() { EXPECT_FALSE(SVGElementIsPresent()); }

	void ExpectPresentAndShown() {
	EXPECT_TRUE(SVGElementIsPresent());
	EXPECT_FALSE(SVGElementHasDisplayValue());
	}

	void ExpectPresentAndHidden() {
	EXPECT_TRUE(SVGElementIsPresent());
	EXPECT_TRUE(SVGElementHasDisplayValue());
	}

	void SimulateShow() { arrow_element_->Show(); }

	void SimulateAnimationIteration() {
	Event* event = Event::Create(EventTypeNames::animationiteration);
	GetElementById("arrow-3")->DispatchEvent(*event);
	}

	void RemoveInternalButton() {
	overlay_play_button_->internal_button_ = nullptr;
	}

	void EnsureNoComputedStyle() {
	// Due to the nature of the test setup, we already get a null computedstyle
	// for free :). Just make sure it's actually not there.
	ASSERT_EQ(nullptr, overlay_play_button_->GetComputedStyle());
	}

	Document& CreateTestDocumentWithBody() {
	Document* document = Document::CreateForTest();
	HTMLHtmlElement* html = HTMLHtmlElement::Create(*document);
	document->AppendChild(html);
	document->documentElement()->SetInnerHTMLFromString("<body></body>");
	return *document;
	}

	void CreateTestOverlayPlayButton(Document& test_document) {
	// Create a video element so that a MediaControlsImpl is created.
	HTMLVideoElement* media_element = HTMLVideoElement::Create(test_document);
	media_element->SetBooleanAttribute(HTMLNames::controlsAttr, true);
	test_document.body()->AppendChild(media_element);

	MediaControlsImpl* media_controls =
	static_cast<MediaControlsImpl*>(media_element->GetMediaControls());
	ASSERT_NE(nullptr, media_controls);

	// Create a MediaControlOverlayPlayButtonElement for testing.
	overlay_play_button_ =
	new MediaControlOverlayPlayButtonElement(*media_controls);
	}

	void SimulateKeepEventInNode() {
	MouseEventInit mouse_initializer;
	mouse_initializer.setView(GetDocument().domWindow());
	mouse_initializer.setButton(1);

	MouseEvent* mouse_event =
	MouseEvent::Create(nullptr, EventTypeNames::click, mouse_initializer);
	overlay_play_button_->KeepEventInNode(*mouse_event);
	}

	private:
	bool SVGElementHasDisplayValue() {
	return GetElementById("jump")->InlineStyle()->HasProperty(
	CSSPropertyDisplay);
	}

	bool SVGElementIsPresent() { return GetElementById("jump"); }

	Element* GetElementById(const AtomicString& id) {
	return GetDocument().body()->getElementById(id);
	}

	Persistent<MediaControlOverlayPlayButtonElement> overlay_play_button_;
	Persistent<MediaControlOverlayPlayButtonElement::AnimatedArrow>
	arrow_element_;
	};

	TEST_F(MediaControlOverlayPlayButtonElementTest, ShowIncrementsCounter) {
	ExpectNotPresent();

	// Start a new show.
	SimulateShow();
	ExpectPresentAndShown();

	// Increment the counter and finish the first show.
	SimulateShow();
	SimulateAnimationIteration();
	ExpectPresentAndShown();

	// Finish the second show.
	SimulateAnimationIteration();
	ExpectPresentAndHidden();

	// Start a new show.
	SimulateShow();
	ExpectPresentAndShown();
	}

	TEST_F(MediaControlOverlayPlayButtonElementTest,
	KeepEventInNodeWithoutInternalButtonDoesntCrash) {
	RemoveInternalButton();
	SimulateKeepEventInNode();
	}

	TEST_F(MediaControlOverlayPlayButtonElementTest,
	KeepEventInNodeWithoutComputedStyleDoesntCrash) {
	EnsureNoComputedStyle();
	SimulateKeepEventInNode();
	}

	TEST_F(MediaControlOverlayPlayButtonElementTest,
	KeepEventInNodeWithoutLayoutViewDoesntCrash) {
	Document& document_without_layout_view = CreateTestDocumentWithBody();
	CreateTestOverlayPlayButton(document_without_layout_view);
	SimulateKeepEventInNode();
	}

	} // namespace blink