content/browser/accessibility/accessibility_browsertest.cc - chromium/src - Git at Google

 // Copyright 2019 The Chromium Authors
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.

 #include "content/browser/accessibility/accessibility_browsertest.h"
 #include "base/functional/callback_helpers.h"
 #include "base/strings/escape.h"
 #include "content/browser/accessibility/browser_accessibility.h"
 #include "content/browser/renderer_host/render_widget_host_view_aura.h"
 #include "content/browser/web_contents/web_contents_impl.h"
 #include "content/public/test/accessibility_notification_waiter.h"
 #include "content/public/test/browser_test_utils.h"
 #include "content/public/test/content_browser_test.h"
 #include "content/public/test/content_browser_test_utils.h"
 #include "content/shell/browser/shell.h"
 #include "content/test/content_browser_test_utils_internal.h"

 namespace content {

 constexpr char kInputContents[] =
     "Moz/5.0 (ST 6.x; WWW33) "
     "WebKit  \"KHTML, like\".";
 constexpr char kTextareaContents[] =
     "Moz/5.0 (ST 6.x; WWW33)\n"
     "WebKit \n\"KHTML, like\".";

 gfx::NativeViewAccessible AccessibilityBrowserTest::GetRendererAccessible() {
   content::WebContents* web_contents = shell()->web_contents();
   return web_contents->GetRenderWidgetHostView()->GetNativeViewAccessible();
 }

 void AccessibilityBrowserTest::ExecuteScript(const std::u16string& script) {
   shell()->web_contents()->GetPrimaryMainFrame()->ExecuteJavaScriptForTests(
       script, base::NullCallback());
 }

 void AccessibilityBrowserTest::LoadInitialAccessibilityTreeFromHtml(
     const std::string& html,
     ui::AXMode accessibility_mode) {
   AccessibilityNotificationWaiter waiter(shell()->web_contents(),
                                          accessibility_mode,
                                          ax::mojom::Event::kLoadComplete);
   GURL html_data_url("data:text/html," +
                      base::EscapeQueryParamValue(html, false));
   EXPECT_TRUE(NavigateToURL(shell(), html_data_url));
   ASSERT_TRUE(waiter.WaitForNotification());
 }

 void AccessibilityBrowserTest::LoadInputField() {
   LoadInitialAccessibilityTreeFromHtml(std::string(
                                            R"HTML(<!DOCTYPE html>
           <html>
           <body>
             <form>
               <label for="textField">Browser name:</label>
               <input type="text" id="textField" name="name" value=")HTML") +
                                        base::EscapeForHTML(kInputContents) +
                                        std::string(R"HTML(">
             </form>
           </body>
           </html>)HTML"));
 }

 void AccessibilityBrowserTest::LoadScrollableInputField(std::string type) {
   LoadInitialAccessibilityTreeFromHtml(
       std::string(
           R"HTML(<!DOCTYPE html>
           <html>
           <body>
             <input type=")HTML") +
       type + std::string(R"HTML(" style="width: 150px;" value=")HTML") +
       base::EscapeForHTML(kInputContents) + std::string(R"HTML(">
           </body>
           </html>)HTML"));
 }

 void AccessibilityBrowserTest::LoadTextareaField() {
   LoadInitialAccessibilityTreeFromHtml(std::string(R"HTML(<!DOCTYPE html>
       <html>
       <body>
                     <textarea rows="3" cols="60">)HTML") +
                                        base::EscapeForHTML(kTextareaContents) +
                                        std::string(R"HTML(</textarea>
           </body>
           </html>)HTML"));
 }

 void AccessibilityBrowserTest::LoadSampleParagraph(
     ui::AXMode accessibility_mode) {
   LoadInitialAccessibilityTreeFromHtml(
       R"HTML(<!DOCTYPE html>
       <html>
       <body>
           <p><b>Game theory</b> is "the study of
               <a href="" title="Mathematical model">mathematical models</a>
               of conflict and<br>cooperation between intelligent rational
               decision-makers."
           </p>
       </body>
       </html>)HTML",
       accessibility_mode);
 }

 // Loads a page with a content editable whose text overflows its height.
 // Places the caret at the beginning of the editable's last line but doesn't
 // scroll the editable.
 void AccessibilityBrowserTest::LoadSampleParagraphInScrollableEditable() {
   LoadInitialAccessibilityTreeFromHtml(
       R"HTML(<p contenteditable="true"
           style="height: 30px; overflow: scroll;">
           hello<br><br><br>hello
       </p>)HTML");

   AccessibilityNotificationWaiter selection_waiter(
       shell()->web_contents(), ui::kAXModeComplete,
       ui::AXEventGenerator::Event::TEXT_SELECTION_CHANGED);
   ExecuteScript(
       u"let selection=document.getSelection();"
       u"let range=document.createRange();"
       u"let editable=document.querySelector('p[contenteditable=\"true\"]');"
       u"editable.focus();"
       u"range.setStart(editable.lastChild, 0);"
       u"range.setEnd(editable.lastChild, 0);"
       u"selection.removeAllRanges();"
       u"selection.addRange(range);");
   ASSERT_TRUE(selection_waiter.WaitForNotification());
 }

 // Loads a page with a paragraph of sample text which is below the
 // bottom of the screen.
 void AccessibilityBrowserTest::LoadSampleParagraphInScrollableDocument(
     ui::AXMode accessibility_mode) {
   LoadInitialAccessibilityTreeFromHtml(
       R"HTML(<!DOCTYPE html>
       <html>
       <body>
         <p style="margin-top:50vh; margin-bottom:200vh">
             <b>Game theory</b> is "the study of
             <a href="" title="Mathematical model">mathematical models</a>
             of conflict and<br>cooperation between intelligent rational
             decision-makers."
         </p>
       </body>
       </html>)HTML",
       accessibility_mode);
 }

 // static
 std::string AccessibilityBrowserTest::InputContentsString() {
   return kInputContents;
 }

 // static
 std::string AccessibilityBrowserTest::TextAreaContentsString() {
   return kTextareaContents;
 }

 }  // namespace content
	// Copyright 2019 The Chromium Authors
	// Use of this source code is governed by a BSD-style license that can be
	// found in the LICENSE file.

	#include "content/browser/accessibility/accessibility_browsertest.h"
	#include "base/functional/callback_helpers.h"
	#include "base/strings/escape.h"
	#include "content/browser/accessibility/browser_accessibility.h"
	#include "content/browser/renderer_host/render_widget_host_view_aura.h"
	#include "content/browser/web_contents/web_contents_impl.h"
	#include "content/public/test/accessibility_notification_waiter.h"
	#include "content/public/test/browser_test_utils.h"
	#include "content/public/test/content_browser_test.h"
	#include "content/public/test/content_browser_test_utils.h"
	#include "content/shell/browser/shell.h"
	#include "content/test/content_browser_test_utils_internal.h"

	namespace content {

	constexpr char kInputContents[] =
	"Moz/5.0 (ST 6.x; WWW33) "
	"WebKit \"KHTML, like\".";
	constexpr char kTextareaContents[] =
	"Moz/5.0 (ST 6.x; WWW33)\n"
	"WebKit \n\"KHTML, like\".";

	gfx::NativeViewAccessible AccessibilityBrowserTest::GetRendererAccessible() {
	content::WebContents* web_contents = shell()->web_contents();
	return web_contents->GetRenderWidgetHostView()->GetNativeViewAccessible();
	}

	void AccessibilityBrowserTest::ExecuteScript(const std::u16string& script) {
	shell()->web_contents()->GetPrimaryMainFrame()->ExecuteJavaScriptForTests(
	script, base::NullCallback());
	}

	void AccessibilityBrowserTest::LoadInitialAccessibilityTreeFromHtml(
	const std::string& html,
	ui::AXMode accessibility_mode) {
	AccessibilityNotificationWaiter waiter(shell()->web_contents(),
	accessibility_mode,
	ax::mojom::Event::kLoadComplete);
	GURL html_data_url("data:text/html," +
	base::EscapeQueryParamValue(html, false));
	EXPECT_TRUE(NavigateToURL(shell(), html_data_url));
	ASSERT_TRUE(waiter.WaitForNotification());
	}

	void AccessibilityBrowserTest::LoadInputField() {
	LoadInitialAccessibilityTreeFromHtml(std::string(
	R"HTML(<!DOCTYPE html>
	<html>
	<body>
	<form>
	<label for="textField">Browser name:</label>
	<input type="text" id="textField" name="name" value=")HTML") +
	base::EscapeForHTML(kInputContents) +
	std::string(R"HTML(">
	</form>
	</body>
	</html>)HTML"));
	}

	void AccessibilityBrowserTest::LoadScrollableInputField(std::string type) {
	LoadInitialAccessibilityTreeFromHtml(
	std::string(
	R"HTML(<!DOCTYPE html>
	<html>
	<body>
	<input type=")HTML") +
	type + std::string(R"HTML(" style="width: 150px;" value=")HTML") +
	base::EscapeForHTML(kInputContents) + std::string(R"HTML(">
	</body>
	</html>)HTML"));
	}

	void AccessibilityBrowserTest::LoadTextareaField() {
	LoadInitialAccessibilityTreeFromHtml(std::string(R"HTML(<!DOCTYPE html>
	<html>
	<body>
	<textarea rows="3" cols="60">)HTML") +
	base::EscapeForHTML(kTextareaContents) +
	std::string(R"HTML(</textarea>
	</body>
	</html>)HTML"));
	}

	void AccessibilityBrowserTest::LoadSampleParagraph(
	ui::AXMode accessibility_mode) {
	LoadInitialAccessibilityTreeFromHtml(
	R"HTML(<!DOCTYPE html>
	<html>
	<body>
	<p><b>Game theory</b> is "the study of
	<a href="" title="Mathematical model">mathematical models</a>
	of conflict and<br>cooperation between intelligent rational
	decision-makers."
	</p>
	</body>
	</html>)HTML",
	accessibility_mode);
	}

	// Loads a page with a content editable whose text overflows its height.
	// Places the caret at the beginning of the editable's last line but doesn't
	// scroll the editable.
	void AccessibilityBrowserTest::LoadSampleParagraphInScrollableEditable() {
	LoadInitialAccessibilityTreeFromHtml(
	R"HTML(<p contenteditable="true"
	style="height: 30px; overflow: scroll;">
	hello<br><br><br>hello
	</p>)HTML");

	AccessibilityNotificationWaiter selection_waiter(
	shell()->web_contents(), ui::kAXModeComplete,
	ui::AXEventGenerator::Event::TEXT_SELECTION_CHANGED);
	ExecuteScript(
	u"let selection=document.getSelection();"
	u"let range=document.createRange();"
	u"let editable=document.querySelector('p[contenteditable=\"true\"]');"
	u"editable.focus();"
	u"range.setStart(editable.lastChild, 0);"
	u"range.setEnd(editable.lastChild, 0);"
	u"selection.removeAllRanges();"
	u"selection.addRange(range);");
	ASSERT_TRUE(selection_waiter.WaitForNotification());
	}

	// Loads a page with a paragraph of sample text which is below the
	// bottom of the screen.
	void AccessibilityBrowserTest::LoadSampleParagraphInScrollableDocument(
	ui::AXMode accessibility_mode) {
	LoadInitialAccessibilityTreeFromHtml(
	R"HTML(<!DOCTYPE html>
	<html>
	<body>
	<p style="margin-top:50vh; margin-bottom:200vh">
	<b>Game theory</b> is "the study of
	<a href="" title="Mathematical model">mathematical models</a>
	of conflict and<br>cooperation between intelligent rational
	decision-makers."
	</p>
	</body>
	</html>)HTML",
	accessibility_mode);
	}

	// static
	std::string AccessibilityBrowserTest::InputContentsString() {
	return kInputContents;
	}

	// static
	std::string AccessibilityBrowserTest::TextAreaContentsString() {
	return kTextareaContents;
	}

	} // namespace content