| // Copyright (c) 2014 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 "base/command_line.h" |
| #include "base/strings/stringprintf.h" |
| #include "base/strings/utf_string_conversions.h" |
| #include "build/build_config.h" |
| #include "content/browser/accessibility/browser_accessibility.h" |
| #include "content/browser/accessibility/browser_accessibility_manager.h" |
| #include "content/browser/accessibility/browser_accessibility_state_impl.h" |
| #include "content/browser/frame_host/cross_process_frame_connector.h" |
| #include "content/browser/frame_host/frame_tree.h" |
| #include "content/browser/frame_host/render_frame_proxy_host.h" |
| #include "content/browser/renderer_host/render_view_host_impl.h" |
| #include "content/browser/renderer_host/render_widget_host_view_child_frame.h" |
| #include "content/browser/site_per_process_browsertest.h" |
| #include "content/browser/web_contents/web_contents_impl.h" |
| #include "content/public/browser/notification_observer.h" |
| #include "content/public/browser/notification_service.h" |
| #include "content/public/browser/notification_types.h" |
| #include "content/public/browser/web_contents_observer.h" |
| #include "content/public/common/content_switches.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/public/test/test_utils.h" |
| #include "content/shell/browser/shell.h" |
| #include "content/test/accessibility_browser_test_utils.h" |
| #include "content/test/content_browser_test_utils_internal.h" |
| #include "net/dns/mock_host_resolver.h" |
| #include "net/test/embedded_test_server/embedded_test_server.h" |
| #include "url/gurl.h" |
| #include "url/url_constants.h" |
| |
| // These tests time out on Android. |
| #if defined(OS_ANDROID) |
| #define MAYBE_SitePerProcessAccessibilityBrowserTest \ |
| DISABLED_SitePerProcessAccessibilityBrowserTest |
| #else |
| #define MAYBE_SitePerProcessAccessibilityBrowserTest \ |
| SitePerProcessAccessibilityBrowserTest |
| #endif |
| |
| namespace content { |
| |
| class MAYBE_SitePerProcessAccessibilityBrowserTest |
| : public SitePerProcessBrowserTest { |
| public: |
| MAYBE_SitePerProcessAccessibilityBrowserTest() {} |
| |
| void LoadCrossSitePageIntoFrame(FrameTreeNode* frame_tree_node, |
| const std::string& relative_url, |
| const std::string& host) { |
| // Load cross-site page into iframe. |
| RenderFrameHostImpl* child_rfh = |
| frame_tree_node->render_manager()->current_frame_host(); |
| RenderFrameDeletedObserver deleted_observer(child_rfh); |
| GURL cross_site_url(embedded_test_server()->GetURL(host, relative_url)); |
| NavigateFrameToURL(frame_tree_node, cross_site_url); |
| |
| // Ensure that we have created a new process for the subframe. |
| SiteInstance* site_instance = |
| frame_tree_node->current_frame_host()->GetSiteInstance(); |
| EXPECT_NE(shell()->web_contents()->GetSiteInstance(), site_instance); |
| |
| // Wait until the iframe completes the swap. |
| deleted_observer.WaitUntilDeleted(); |
| } |
| }; |
| |
| IN_PROC_BROWSER_TEST_F(MAYBE_SitePerProcessAccessibilityBrowserTest, |
| CrossSiteIframeAccessibility) { |
| // Enable full accessibility for all current and future WebContents. |
| BrowserAccessibilityState::GetInstance()->EnableAccessibility(); |
| |
| GURL main_url(embedded_test_server()->GetURL("/site_per_process_main.html")); |
| NavigateToURL(shell(), main_url); |
| |
| // It is safe to obtain the root frame tree node here, as it doesn't change. |
| FrameTreeNode* root = static_cast<WebContentsImpl*>(shell()->web_contents()) |
| ->GetFrameTree() |
| ->root(); |
| |
| // Load same-site page into iframe. |
| FrameTreeNode* child = root->child_at(0); |
| GURL http_url(embedded_test_server()->GetURL("/title1.html")); |
| NavigateFrameToURL(child, http_url); |
| |
| // Load cross-site page into iframe and wait for text from that |
| // page to appear in the accessibility tree. |
| LoadCrossSitePageIntoFrame(child, "/title2.html", "foo.com"); |
| WaitForAccessibilityTreeToContainNodeWithName(shell()->web_contents(), |
| "Title Of Awesomeness"); |
| |
| RenderFrameHostImpl* main_frame = static_cast<RenderFrameHostImpl*>( |
| shell()->web_contents()->GetMainFrame()); |
| BrowserAccessibilityManager* main_frame_manager = |
| main_frame->browser_accessibility_manager(); |
| VLOG(1) << "Main frame accessibility tree:\n" |
| << main_frame_manager->SnapshotAXTreeForTesting().ToString(); |
| |
| // Assert that we can walk from the main frame down into the child frame |
| // directly, getting correct roles and data along the way. |
| BrowserAccessibility* ax_root = main_frame_manager->GetRoot(); |
| EXPECT_EQ(ax::mojom::Role::kRootWebArea, ax_root->GetRole()); |
| ASSERT_EQ(1U, ax_root->PlatformChildCount()); |
| |
| BrowserAccessibility* ax_group = ax_root->PlatformGetChild(0); |
| EXPECT_EQ(ax::mojom::Role::kGenericContainer, ax_group->GetRole()); |
| ASSERT_EQ(2U, ax_group->PlatformChildCount()); |
| |
| BrowserAccessibility* ax_iframe = ax_group->PlatformGetChild(0); |
| EXPECT_EQ(ax::mojom::Role::kIframe, ax_iframe->GetRole()); |
| ASSERT_EQ(1U, ax_iframe->PlatformChildCount()); |
| |
| BrowserAccessibility* ax_child_frame_root = ax_iframe->PlatformGetChild(0); |
| EXPECT_EQ(ax::mojom::Role::kRootWebArea, ax_child_frame_root->GetRole()); |
| ASSERT_EQ(1U, ax_child_frame_root->PlatformChildCount()); |
| EXPECT_EQ("Title Of Awesomeness", ax_child_frame_root->GetStringAttribute( |
| ax::mojom::StringAttribute::kName)); |
| |
| BrowserAccessibility* ax_child_frame_group = |
| ax_child_frame_root->PlatformGetChild(0); |
| EXPECT_EQ(ax::mojom::Role::kGenericContainer, |
| ax_child_frame_group->GetRole()); |
| ASSERT_EQ(1U, ax_child_frame_group->PlatformChildCount()); |
| |
| BrowserAccessibility* ax_child_frame_static_text = |
| ax_child_frame_group->PlatformGetChild(0); |
| EXPECT_EQ(ax::mojom::Role::kStaticText, |
| ax_child_frame_static_text->GetRole()); |
| ASSERT_EQ(0U, ax_child_frame_static_text->PlatformChildCount()); |
| |
| // Last, check that the parent of the child frame root is correct. |
| EXPECT_EQ(ax_child_frame_root->PlatformGetParent(), ax_iframe); |
| } |
| |
| // TODO(aboxhall): Flaky test, discuss with dmazzoni |
| IN_PROC_BROWSER_TEST_F(MAYBE_SitePerProcessAccessibilityBrowserTest, |
| DISABLED_TwoCrossSiteNavigations) { |
| // Enable full accessibility for all current and future WebContents. |
| BrowserAccessibilityState::GetInstance()->EnableAccessibility(); |
| |
| GURL main_url(embedded_test_server()->GetURL("/site_per_process_main.html")); |
| NavigateToURL(shell(), main_url); |
| |
| // It is safe to obtain the root frame tree node here, as it doesn't change. |
| FrameTreeNode* root = static_cast<WebContentsImpl*>(shell()->web_contents()) |
| ->GetFrameTree() |
| ->root(); |
| |
| // Load first cross-site page into iframe and wait for text from that |
| // page to appear in the accessibility tree. |
| FrameTreeNode* child = root->child_at(0); |
| LoadCrossSitePageIntoFrame(child, "/title1.html", "foo.com"); |
| WaitForAccessibilityTreeToContainNodeWithName(shell()->web_contents(), |
| "This page has no title."); |
| |
| // Load second cross-site page into iframe and wait for text from that |
| // page to appear in the accessibility tree. If this succeeds and doesn't |
| // time out, the test passes. |
| LoadCrossSitePageIntoFrame(child, "/title2.html", "bar.com"); |
| WaitForAccessibilityTreeToContainNodeWithName(shell()->web_contents(), |
| "Title Of Awesomeness"); |
| } |
| |
| // Ensure that enabling accessibility and doing a remote-to-local main frame |
| // navigation doesn't crash. See https://crbug.com/762824. |
| IN_PROC_BROWSER_TEST_F(MAYBE_SitePerProcessAccessibilityBrowserTest, |
| RemoteToLocalMainFrameNavigation) { |
| // Enable full accessibility for all current and future WebContents. |
| BrowserAccessibilityState::GetInstance()->EnableAccessibility(); |
| |
| GURL main_url(embedded_test_server()->GetURL("a.com", "/title1.html")); |
| NavigateToURL(shell(), main_url); |
| WaitForAccessibilityTreeToContainNodeWithName(shell()->web_contents(), |
| "This page has no title."); |
| |
| // Open a new tab for b.com and wait for it to load. This will create a |
| // proxy in b.com for the original (opener) tab. |
| GURL b_url(embedded_test_server()->GetURL("b.com", "/title2.html")); |
| Shell* new_shell = OpenPopup(shell()->web_contents(), b_url, "popup"); |
| WaitForAccessibilityTreeToContainNodeWithName(new_shell->web_contents(), |
| "Title Of Awesomeness"); |
| |
| // Navigate the original tab to b.com as well. This performs a |
| // remote-to-local main frame navigation in b.com and shouldn't crash. |
| NavigateToURL(shell(), b_url); |
| WaitForAccessibilityTreeToContainNodeWithName(shell()->web_contents(), |
| "Title Of Awesomeness"); |
| } |
| |
| } // namespace content |
