content/browser/frame_host/frame_tree_browsertest.cc

   1 // Copyright 2014 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 "base/command_line.h"
   6 #include "content/browser/frame_host/frame_tree.h"
   7 #include "content/browser/frame_host/frame_tree_node.h"
   8 #include "content/browser/renderer_host/render_view_host_impl.h"
   9 #include "content/browser/web_contents/web_contents_impl.h"
  10 #include "content/public/browser/notification_service.h"
  11 #include "content/public/browser/notification_types.h"
  12 #include "content/public/common/content_switches.h"
  13 #include "content/public/common/url_constants.h"
  14 #include "content/public/test/browser_test_utils.h"
  15 #include "content/public/test/content_browser_test.h"
  16 #include "content/public/test/content_browser_test_utils.h"
  17 #include "content/public/test/test_navigation_observer.h"
  18 #include "content/public/test/test_utils.h"
  19 #include "content/shell/browser/shell.h"
  20 #include "content/test/content_browser_test_utils_internal.h"
  21 #include "net/dns/mock_host_resolver.h"
  22
  23 namespace content {
  24
  25 class FrameTreeBrowserTest : public ContentBrowserTest {
  26  public:
  27   FrameTreeBrowserTest() {}
  28
  29  private:
  30   DISALLOW_COPY_AND_ASSIGN(FrameTreeBrowserTest);
  31 };
  32
  33 // Ensures FrameTree correctly reflects page structure during navigations.
  34 IN_PROC_BROWSER_TEST_F(FrameTreeBrowserTest, FrameTreeShape) {
  35   host_resolver()->AddRule("*", "127.0.0.1");
  36   ASSERT_TRUE(test_server()->Start());
  37
  38   GURL base_url = test_server()->GetURL("files/site_isolation/");
  39   GURL::Replacements replace_host;
  40   std::string host_str("A.com");  // Must stay in scope with replace_host.
  41   replace_host.SetHostStr(host_str);
  42   base_url = base_url.ReplaceComponents(replace_host);
  43
  44   // Load doc without iframes. Verify FrameTree just has root.
  45   // Frame tree:
  46   //   Site-A Root
  47   NavigateToURL(shell(), base_url.Resolve("blank.html"));
  48   FrameTreeNode* root =
  49       static_cast<WebContentsImpl*>(shell()->web_contents())->
  50       GetFrameTree()->root();
  51   EXPECT_EQ(0U, root->child_count());
  52
  53   // Add 2 same-site frames. Verify 3 nodes in tree with proper names.
  54   // Frame tree:
  55   //   Site-A Root -- Site-A frame1
  56   //              \-- Site-A frame2
  57   WindowedNotificationObserver observer1(
  58       content::NOTIFICATION_LOAD_STOP,
  59       content::Source<NavigationController>(
  60           &shell()->web_contents()->GetController()));
  61   NavigateToURL(shell(), base_url.Resolve("frames-X-X.html"));
  62   observer1.Wait();
  63   ASSERT_EQ(2U, root->child_count());
  64   EXPECT_EQ(0U, root->child_at(0)->child_count());
  65   EXPECT_EQ(0U, root->child_at(1)->child_count());
  66 }
  67
  68 // TODO(ajwong): Talk with nasko and merge this functionality with
  69 // FrameTreeShape.
  70 IN_PROC_BROWSER_TEST_F(FrameTreeBrowserTest, FrameTreeShape2) {
  71   ASSERT_TRUE(test_server()->Start());
  72   NavigateToURL(shell(),
  73                 test_server()->GetURL("files/frame_tree/top.html"));
  74
  75   WebContentsImpl* wc = static_cast<WebContentsImpl*>(shell()->web_contents());
  76   FrameTreeNode* root = wc->GetFrameTree()->root();
  77
  78   // Check that the root node is properly created.
  79   ASSERT_EQ(3UL, root->child_count());
  80   EXPECT_EQ(std::string(), root->frame_name());
  81
  82   ASSERT_EQ(2UL, root->child_at(0)->child_count());
  83   EXPECT_STREQ("1-1-name", root->child_at(0)->frame_name().c_str());
  84
  85   // Verify the deepest node exists and has the right name.
  86   ASSERT_EQ(2UL, root->child_at(2)->child_count());
  87   EXPECT_EQ(1UL, root->child_at(2)->child_at(1)->child_count());
  88   EXPECT_EQ(0UL, root->child_at(2)->child_at(1)->child_at(0)->child_count());
  89   EXPECT_STREQ("3-1-name",
  90       root->child_at(2)->child_at(1)->child_at(0)->frame_name().c_str());
  91
  92   // Navigate to about:blank, which should leave only the root node of the frame
  93   // tree in the browser process.
  94   NavigateToURL(shell(), test_server()->GetURL("files/title1.html"));
  95
  96   root = wc->GetFrameTree()->root();
  97   EXPECT_EQ(0UL, root->child_count());
  98   EXPECT_EQ(std::string(), root->frame_name());
  99 }
 100
 101 // Test that we can navigate away if the previous renderer doesn't clean up its
 102 // child frames.
 103 IN_PROC_BROWSER_TEST_F(FrameTreeBrowserTest, FrameTreeAfterCrash) {
 104   ASSERT_TRUE(test_server()->Start());
 105   NavigateToURL(shell(),
 106                 test_server()->GetURL("files/frame_tree/top.html"));
 107
 108   // Ensure the view and frame are live.
 109   RenderViewHost* rvh = shell()->web_contents()->GetRenderViewHost();
 110   RenderFrameHostImpl* rfh =
 111       static_cast<RenderFrameHostImpl*>(rvh->GetMainFrame());
 112   EXPECT_TRUE(rvh->IsRenderViewLive());
 113   EXPECT_TRUE(rfh->IsRenderFrameLive());
 114
 115   // Crash the renderer so that it doesn't send any FrameDetached messages.
 116   RenderProcessHostWatcher crash_observer(
 117       shell()->web_contents(),
 118       RenderProcessHostWatcher::WATCH_FOR_PROCESS_EXIT);
 119   NavigateToURL(shell(), GURL(kChromeUICrashURL));
 120   crash_observer.Wait();
 121
 122   // The frame tree should be cleared.
 123   WebContentsImpl* wc = static_cast<WebContentsImpl*>(shell()->web_contents());
 124   FrameTreeNode* root = wc->GetFrameTree()->root();
 125   EXPECT_EQ(0UL, root->child_count());
 126
 127   // Ensure the view and frame aren't live anymore.
 128   EXPECT_FALSE(rvh->IsRenderViewLive());
 129   EXPECT_FALSE(rfh->IsRenderFrameLive());
 130
 131   // Navigate to a new URL.
 132   GURL url(test_server()->GetURL("files/title1.html"));
 133   NavigateToURL(shell(), url);
 134   EXPECT_EQ(0UL, root->child_count());
 135   EXPECT_EQ(url, root->current_url());
 136
 137   // Ensure the view and frame are live again.
 138   EXPECT_TRUE(rvh->IsRenderViewLive());
 139   EXPECT_TRUE(rfh->IsRenderFrameLive());
 140 }
 141
 142 // Test that we can navigate away if the previous renderer doesn't clean up its
 143 // child frames.
 144 IN_PROC_BROWSER_TEST_F(FrameTreeBrowserTest, NavigateWithLeftoverFrames) {
 145   host_resolver()->AddRule("*", "127.0.0.1");
 146   ASSERT_TRUE(test_server()->Start());
 147
 148   GURL base_url = test_server()->GetURL("files/site_isolation/");
 149   GURL::Replacements replace_host;
 150   std::string host_str("A.com");  // Must stay in scope with replace_host.
 151   replace_host.SetHostStr(host_str);
 152   base_url = base_url.ReplaceComponents(replace_host);
 153
 154   NavigateToURL(shell(),
 155                 test_server()->GetURL("files/frame_tree/top.html"));
 156
 157   // Hang the renderer so that it doesn't send any FrameDetached messages.
 158   // (This navigation will never complete, so don't wait for it.)
 159   shell()->LoadURL(GURL(kChromeUIHangURL));
 160
 161   // Check that the frame tree still has children.
 162   WebContentsImpl* wc = static_cast<WebContentsImpl*>(shell()->web_contents());
 163   FrameTreeNode* root = wc->GetFrameTree()->root();
 164   ASSERT_EQ(3UL, root->child_count());
 165
 166   // Navigate to a new URL.  We use LoadURL because NavigateToURL will try to
 167   // wait for the previous navigation to stop.
 168   TestNavigationObserver tab_observer(wc, 1);
 169   shell()->LoadURL(base_url.Resolve("blank.html"));
 170   tab_observer.Wait();
 171
 172   // The frame tree should now be cleared.
 173   EXPECT_EQ(0UL, root->child_count());
 174 }
 175
 176 // Ensure that IsRenderFrameLive is true for main frames and same-site iframes.
 177 IN_PROC_BROWSER_TEST_F(FrameTreeBrowserTest, IsRenderFrameLive) {
 178   host_resolver()->AddRule("*", "127.0.0.1");
 179   ASSERT_TRUE(test_server()->Start());
 180   GURL main_url(test_server()->GetURL("files/frame_tree/top.html"));
 181   NavigateToURL(shell(), main_url);
 182
 183   // It is safe to obtain the root frame tree node here, as it doesn't change.
 184   FrameTreeNode* root = static_cast<WebContentsImpl*>(shell()->web_contents())
 185                             ->GetFrameTree()->root();
 186
 187   // The root and subframe should each have a live RenderFrame.
 188   EXPECT_TRUE(
 189       root->current_frame_host()->render_view_host()->IsRenderViewLive());
 190   EXPECT_TRUE(root->current_frame_host()->IsRenderFrameLive());
 191   EXPECT_TRUE(root->child_at(0)->current_frame_host()->IsRenderFrameLive());
 192
 193   // Load a same-site page into iframe and it should still be live.
 194   GURL http_url(test_server()->GetURL("files/title1.html"));
 195   NavigateFrameToURL(root->child_at(0), http_url);
 196   EXPECT_TRUE(
 197       root->current_frame_host()->render_view_host()->IsRenderViewLive());
 198   EXPECT_TRUE(root->current_frame_host()->IsRenderFrameLive());
 199   EXPECT_TRUE(root->child_at(0)->current_frame_host()->IsRenderFrameLive());
 200 }
 201
 202 class CrossProcessFrameTreeBrowserTest : public ContentBrowserTest {
 203  public:
 204   CrossProcessFrameTreeBrowserTest() {}
 205
 206   void SetUpCommandLine(base::CommandLine* command_line) override {
 207     command_line->AppendSwitch(switches::kSitePerProcess);
 208   }
 209
 210  private:
 211   DISALLOW_COPY_AND_ASSIGN(CrossProcessFrameTreeBrowserTest);
 212 };
 213
 214 // Ensure that we can complete a cross-process subframe navigation.
 215 #if defined(OS_ANDROID)
 216 #define MAYBE_CreateCrossProcessSubframeProxies DISABLED_CreateCrossProcessSubframeProxies
 217 #else
 218 #define MAYBE_CreateCrossProcessSubframeProxies CreateCrossProcessSubframeProxies
 219 #endif
 220 IN_PROC_BROWSER_TEST_F(CrossProcessFrameTreeBrowserTest,
 221                        MAYBE_CreateCrossProcessSubframeProxies) {
 222   host_resolver()->AddRule("*", "127.0.0.1");
 223   ASSERT_TRUE(test_server()->Start());
 224   GURL main_url(test_server()->GetURL("files/site_per_process_main.html"));
 225   NavigateToURL(shell(), main_url);
 226
 227   // It is safe to obtain the root frame tree node here, as it doesn't change.
 228   FrameTreeNode* root = static_cast<WebContentsImpl*>(shell()->web_contents())
 229                             ->GetFrameTree()->root();
 230
 231   // There should not be a proxy for the root's own SiteInstance.
 232   SiteInstance* root_instance = root->current_frame_host()->GetSiteInstance();
 233   EXPECT_FALSE(root->render_manager()->GetRenderFrameProxyHost(root_instance));
 234
 235   // Load same-site page into iframe.
 236   GURL http_url(test_server()->GetURL("files/title1.html"));
 237   NavigateFrameToURL(root->child_at(0), http_url);
 238
 239   // These must stay in scope with replace_host.
 240   GURL::Replacements replace_host;
 241   std::string foo_com("foo.com");
 242
 243   // Load cross-site page into iframe.
 244   GURL cross_site_url(test_server()->GetURL("files/title2.html"));
 245   replace_host.SetHostStr(foo_com);
 246   cross_site_url = cross_site_url.ReplaceComponents(replace_host);
 247   NavigateFrameToURL(root->child_at(0), cross_site_url);
 248
 249   // Ensure that we have created a new process for the subframe.
 250   ASSERT_EQ(2U, root->child_count());
 251   FrameTreeNode* child = root->child_at(0);
 252   SiteInstance* child_instance = child->current_frame_host()->GetSiteInstance();
 253   RenderViewHost* rvh = child->current_frame_host()->render_view_host();
 254   RenderProcessHost* rph = child->current_frame_host()->GetProcess();
 255
 256   EXPECT_NE(shell()->web_contents()->GetRenderViewHost(), rvh);
 257   EXPECT_NE(shell()->web_contents()->GetSiteInstance(), child_instance);
 258   EXPECT_NE(shell()->web_contents()->GetRenderProcessHost(), rph);
 259
 260   // Ensure that the root node has a proxy for the child node's SiteInstance.
 261   EXPECT_TRUE(root->render_manager()->GetRenderFrameProxyHost(child_instance));
 262
 263   // Also ensure that the child has a proxy for the root node's SiteInstance.
 264   EXPECT_TRUE(child->render_manager()->GetRenderFrameProxyHost(root_instance));
 265
 266   // The nodes should not have proxies for their own SiteInstance.
 267   EXPECT_FALSE(root->render_manager()->GetRenderFrameProxyHost(root_instance));
 268   EXPECT_FALSE(
 269       child->render_manager()->GetRenderFrameProxyHost(child_instance));
 270
 271   // Ensure that the RenderViews and RenderFrames are all live.
 272   EXPECT_TRUE(
 273       root->current_frame_host()->render_view_host()->IsRenderViewLive());
 274   EXPECT_TRUE(
 275       child->current_frame_host()->render_view_host()->IsRenderViewLive());
 276   EXPECT_TRUE(root->current_frame_host()->IsRenderFrameLive());
 277   EXPECT_TRUE(root->child_at(0)->current_frame_host()->IsRenderFrameLive());
 278 }
 279
 280 }  // namespace content