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| 1 // Copyright (c) 2010 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 #include <string> |
| 6 #include <vector> |
| 7 |
| 8 #include "base/utf_string_conversions.h" |
| 9 #include "chrome/browser/browser.h" |
| 10 #include "chrome/browser/browser_window.h" |
| 11 #include "chrome/browser/renderer_host/render_view_host.h" |
| 12 #include "chrome/browser/renderer_host/render_widget_host.h" |
| 13 #include "chrome/browser/renderer_host/render_widget_host_view.h" |
| 14 #include "chrome/browser/tab_contents/tab_contents.h" |
| 15 #include "chrome/common/render_messages.h" |
| 16 #include "chrome/common/notification_type.h" |
| 17 #include "chrome/test/in_process_browser_test.h" |
| 18 #include "chrome/test/ui_test_utils.h" |
| 19 |
| 20 using webkit_glue::WebAccessibility; |
| 21 |
| 22 namespace { |
| 23 |
| 24 class RendererAccessibilityBrowserTest : public InProcessBrowserTest { |
| 25 public: |
| 26 RendererAccessibilityBrowserTest() {} |
| 27 |
| 28 protected: |
| 29 const char *GetAttr(const WebAccessibility& node, |
| 30 const WebAccessibility::Attribute attr); |
| 31 }; |
| 32 |
| 33 // Convenience method to get the value of a particular WebAccessibility |
| 34 // node attribute as a UTF-8 const char*. |
| 35 const char *RendererAccessibilityBrowserTest::GetAttr( |
| 36 const WebAccessibility& node, const WebAccessibility::Attribute attr) { |
| 37 std::map<int32, string16>::const_iterator iter = node.attributes.find(attr); |
| 38 if (iter != node.attributes.end()) |
| 39 return UTF16ToUTF8(iter->second).c_str(); |
| 40 else |
| 41 return ""; |
| 42 } |
| 43 |
| 44 IN_PROC_BROWSER_TEST_F(RendererAccessibilityBrowserTest, |
| 45 TestCrossPlatformAccessibilityTree) { |
| 46 // Create a data url and load it. |
| 47 const char url_str[] = |
| 48 "data:text/html," |
| 49 "<!doctype html>" |
| 50 "<html><head><title>Accessibility Test</title></head>" |
| 51 "<body><input type='button' value='push' /><input type='checkbox' />" |
| 52 "</body></html>"; |
| 53 GURL url(url_str); |
| 54 browser()->OpenURL(url, GURL(), CURRENT_TAB, PageTransition::TYPED); |
| 55 |
| 56 // Tell the renderer to send an accessibility tree, then wait for the |
| 57 // notification that it's been received. |
| 58 RenderWidgetHostView* host_view = |
| 59 browser()->GetSelectedTabContents()->GetRenderWidgetHostView(); |
| 60 RenderWidgetHost* host = host_view->GetRenderWidgetHost(); |
| 61 RenderViewHost* view_host = static_cast<RenderViewHost*>(host); |
| 62 view_host->set_save_accessibility_tree_for_testing(true); |
| 63 host->Send(new ViewMsg_GetAccessibilityTree(host->routing_id())); |
| 64 ui_test_utils::WaitForNotification( |
| 65 NotificationType::RENDER_VIEW_HOST_ACCESSIBILITY_TREE_UPDATED); |
| 66 |
| 67 // Check properties of the root element of the tree. |
| 68 const WebAccessibility& tree = view_host->accessibility_tree(); |
| 69 EXPECT_STREQ(url_str, GetAttr(tree, WebAccessibility::ATTR_DOC_URL)); |
| 70 EXPECT_STREQ("Accessibility Test", |
| 71 GetAttr(tree, WebAccessibility::ATTR_DOC_TITLE)); |
| 72 EXPECT_STREQ("html", GetAttr(tree, WebAccessibility::ATTR_DOC_DOCTYPE)); |
| 73 EXPECT_STREQ("text/html", GetAttr(tree, WebAccessibility::ATTR_DOC_MIMETYPE)); |
| 74 EXPECT_EQ(WebAccessibility::ROLE_WEB_AREA, tree.role); |
| 75 |
| 76 // Check properites of the BODY element. |
| 77 ASSERT_EQ(1U, tree.children.size()); |
| 78 const WebAccessibility& body = tree.children[0]; |
| 79 EXPECT_EQ(WebAccessibility::ROLE_GROUP, body.role); |
| 80 EXPECT_STREQ("BODY", GetAttr(body, WebAccessibility::ATTR_HTML_TAG)); |
| 81 EXPECT_STREQ("block", GetAttr(body, WebAccessibility::ATTR_DISPLAY)); |
| 82 |
| 83 // Check properties of the two children of the BODY element. |
| 84 ASSERT_EQ(2U, body.children.size()); |
| 85 |
| 86 const WebAccessibility& button = body.children[0]; |
| 87 EXPECT_EQ(WebAccessibility::ROLE_BUTTON, button.role); |
| 88 EXPECT_STREQ("INPUT", GetAttr(button, WebAccessibility::ATTR_HTML_TAG)); |
| 89 EXPECT_STREQ("push", UTF16ToUTF8(button.name).c_str()); |
| 90 EXPECT_STREQ("inline-block", GetAttr(button, WebAccessibility::ATTR_DISPLAY)); |
| 91 ASSERT_EQ(2U, button.html_attributes.size()); |
| 92 EXPECT_STREQ("type", UTF16ToUTF8(button.html_attributes[0].first).c_str()); |
| 93 EXPECT_STREQ("button", UTF16ToUTF8(button.html_attributes[0].second).c_str()); |
| 94 EXPECT_STREQ("value", UTF16ToUTF8(button.html_attributes[1].first).c_str()); |
| 95 EXPECT_STREQ("push", UTF16ToUTF8(button.html_attributes[1].second).c_str()); |
| 96 |
| 97 const WebAccessibility& checkbox = body.children[1]; |
| 98 EXPECT_EQ(WebAccessibility::ROLE_CHECKBOX, checkbox.role); |
| 99 EXPECT_STREQ("INPUT", GetAttr(checkbox, WebAccessibility::ATTR_HTML_TAG)); |
| 100 EXPECT_STREQ("inline-block", |
| 101 GetAttr(checkbox, WebAccessibility::ATTR_DISPLAY)); |
| 102 ASSERT_EQ(1U, checkbox.html_attributes.size()); |
| 103 EXPECT_STREQ("type", |
| 104 UTF16ToUTF8(checkbox.html_attributes[0].first).c_str()); |
| 105 EXPECT_STREQ("checkbox", |
| 106 UTF16ToUTF8(checkbox.html_attributes[0].second).c_str()); |
| 107 } |
| 108 |
| 109 } // namespace |
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Chromium Code Reviews
Issue 3013035:
Add html node info (tag name, attributes, and computed display) and document... (Closed)
Base URL: svn://chrome-svn/chrome/trunk/src/