chrome/browser/extensions/process_management_browsertest.cc

   1 // Copyright (c) 2012 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/strings/utf_string_conversions.h"
   6 #include "chrome/browser/extensions/extension_apitest.h"
   7 #include "chrome/browser/extensions/extension_host.h"
   8 #include "chrome/browser/extensions/extension_service.h"
   9 #include "chrome/browser/extensions/extension_system.h"
  10 #include "chrome/browser/profiles/profile.h"
  11 #include "chrome/browser/profiles/profile_manager.h"
  12 #include "chrome/browser/ui/browser.h"
  13 #include "chrome/browser/ui/tabs/tab_strip_model.h"
  14 #include "chrome/common/url_constants.h"
  15 #include "chrome/test/base/ui_test_utils.h"
  16 #include "content/public/browser/render_process_host.h"
  17 #include "content/public/browser/render_view_host.h"
  18 #include "content/public/browser/site_instance.h"
  19 #include "content/public/browser/web_contents.h"
  20 #include "extensions/browser/process_manager.h"
  21 #include "extensions/common/switches.h"
  22 #include "net/dns/mock_host_resolver.h"
  23 #include "net/test/embedded_test_server/embedded_test_server.h"
  24
  25 using content::NavigationController;
  26 using content::WebContents;
  27
  28 namespace {
  29
  30 class ProcessManagementTest : public ExtensionBrowserTest {
  31  private:
  32   // This is needed for testing isolated apps, which are still experimental.
  33   virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
  34     ExtensionBrowserTest::SetUpCommandLine(command_line);
  35     command_line->AppendSwitch(
  36         extensions::switches::kEnableExperimentalExtensionApis);
  37   }
  38 };
  39
  40 }  // namespace
  41
  42
  43 // TODO(nasko): crbug.com/173137
  44 #if defined(OS_WIN)
  45 #define MAYBE_ProcessOverflow DISABLED_ProcessOverflow
  46 #else
  47 #define MAYBE_ProcessOverflow ProcessOverflow
  48 #endif
  49
  50 // Ensure that an isolated app never shares a process with WebUIs, non-isolated
  51 // extensions, and normal webpages.  None of these should ever comingle
  52 // RenderProcessHosts even if we hit the process limit.
  53 IN_PROC_BROWSER_TEST_F(ProcessManagementTest, MAYBE_ProcessOverflow) {
  54   // Set max renderers to 1 to force running out of processes.
  55   content::RenderProcessHost::SetMaxRendererProcessCount(1);
  56
  57   host_resolver()->AddRule("*", "127.0.0.1");
  58   ASSERT_TRUE(embedded_test_server()->InitializeAndWaitUntilReady());
  59
  60   ASSERT_TRUE(LoadExtension(test_data_dir_.AppendASCII("isolated_apps/app1")));
  61   ASSERT_TRUE(LoadExtension(test_data_dir_.AppendASCII("isolated_apps/app2")));
  62   ASSERT_TRUE(LoadExtension(test_data_dir_.AppendASCII("hosted_app")));
  63   ASSERT_TRUE(
  64       LoadExtension(test_data_dir_.AppendASCII("api_test/app_process")));
  65
  66   // The app under test acts on URLs whose host is "localhost",
  67   // so the URLs we navigate to must have host "localhost".
  68   GURL base_url = embedded_test_server()->GetURL(
  69       "/extensions/");
  70   GURL::Replacements replace_host;
  71   std::string host_str("localhost");  // Must stay in scope with replace_host.
  72   replace_host.SetHostStr(host_str);
  73   base_url = base_url.ReplaceComponents(replace_host);
  74
  75   // Load an extension before adding tabs.
  76   const extensions::Extension* extension1 = LoadExtension(
  77       test_data_dir_.AppendASCII("api_test/browser_action/basics"));
  78   ASSERT_TRUE(extension1);
  79   GURL extension1_url = extension1->url();
  80
  81   // Create multiple tabs for each type of renderer that might exist.
  82   ui_test_utils::NavigateToURLWithDisposition(
  83       browser(), base_url.Resolve("isolated_apps/app1/main.html"),
  84       CURRENT_TAB, ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
  85   ui_test_utils::NavigateToURLWithDisposition(
  86       browser(), GURL(chrome::kChromeUINewTabURL),
  87       NEW_FOREGROUND_TAB, ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
  88   ui_test_utils::NavigateToURLWithDisposition(
  89       browser(), base_url.Resolve("hosted_app/main.html"),
  90       NEW_FOREGROUND_TAB, ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
  91   ui_test_utils::NavigateToURLWithDisposition(
  92       browser(), base_url.Resolve("test_file.html"),
  93       NEW_FOREGROUND_TAB, ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
  94
  95   ui_test_utils::NavigateToURLWithDisposition(
  96       browser(), base_url.Resolve("isolated_apps/app2/main.html"),
  97       NEW_FOREGROUND_TAB, ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
  98   ui_test_utils::NavigateToURLWithDisposition(
  99       browser(), GURL(chrome::kChromeUINewTabURL),
 100       NEW_FOREGROUND_TAB, ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
 101   ui_test_utils::NavigateToURLWithDisposition(
 102       browser(), base_url.Resolve("api_test/app_process/path1/empty.html"),
 103       NEW_FOREGROUND_TAB, ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
 104   ui_test_utils::NavigateToURLWithDisposition(
 105       browser(), base_url.Resolve("test_file_with_body.html"),
 106       NEW_FOREGROUND_TAB, ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
 107
 108   // Load another copy of isolated app 1.
 109   ui_test_utils::NavigateToURLWithDisposition(
 110       browser(), base_url.Resolve("isolated_apps/app1/main.html"),
 111       NEW_FOREGROUND_TAB, ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
 112
 113   // Load another extension.
 114   const extensions::Extension* extension2 = LoadExtension(
 115       test_data_dir_.AppendASCII("api_test/browser_action/close_background"));
 116   ASSERT_TRUE(extension2);
 117   GURL extension2_url = extension2->url();
 118
 119   // Get tab processes.
 120   ASSERT_EQ(9, browser()->tab_strip_model()->count());
 121   content::RenderProcessHost* isolated1_host =
 122       browser()->tab_strip_model()->GetWebContentsAt(0)->GetRenderProcessHost();
 123   content::RenderProcessHost* ntp1_host =
 124       browser()->tab_strip_model()->GetWebContentsAt(1)->GetRenderProcessHost();
 125   content::RenderProcessHost* hosted1_host =
 126       browser()->tab_strip_model()->GetWebContentsAt(2)->GetRenderProcessHost();
 127   content::RenderProcessHost* web1_host =
 128       browser()->tab_strip_model()->GetWebContentsAt(3)->GetRenderProcessHost();
 129
 130   content::RenderProcessHost* isolated2_host =
 131       browser()->tab_strip_model()->GetWebContentsAt(4)->GetRenderProcessHost();
 132   content::RenderProcessHost* ntp2_host =
 133       browser()->tab_strip_model()->GetWebContentsAt(5)->GetRenderProcessHost();
 134   content::RenderProcessHost* hosted2_host =
 135       browser()->tab_strip_model()->GetWebContentsAt(6)->GetRenderProcessHost();
 136   content::RenderProcessHost* web2_host =
 137       browser()->tab_strip_model()->GetWebContentsAt(7)->GetRenderProcessHost();
 138
 139   content::RenderProcessHost* second_isolated1_host =
 140       browser()->tab_strip_model()->GetWebContentsAt(8)->GetRenderProcessHost();
 141
 142   // Get extension processes.
 143   extensions::ProcessManager* process_manager =
 144       extensions::ExtensionSystem::Get(browser()->profile())->
 145           process_manager();
 146   content::RenderProcessHost* extension1_host =
 147       process_manager->GetSiteInstanceForURL(extension1_url)->GetProcess();
 148   content::RenderProcessHost* extension2_host =
 149       process_manager->GetSiteInstanceForURL(extension2_url)->GetProcess();
 150
 151   // An isolated app only shares with other instances of itself, not other
 152   // isolated apps or anything else.
 153   EXPECT_EQ(isolated1_host, second_isolated1_host);
 154   EXPECT_NE(isolated1_host, isolated2_host);
 155   EXPECT_NE(isolated1_host, ntp1_host);
 156   EXPECT_NE(isolated1_host, hosted1_host);
 157   EXPECT_NE(isolated1_host, web1_host);
 158   EXPECT_NE(isolated1_host, extension1_host);
 159   EXPECT_NE(isolated2_host, ntp1_host);
 160   EXPECT_NE(isolated2_host, hosted1_host);
 161   EXPECT_NE(isolated2_host, web1_host);
 162   EXPECT_NE(isolated2_host, extension1_host);
 163
 164   // Everything else is clannish.  WebUI only shares with other WebUI.
 165   EXPECT_EQ(ntp1_host, ntp2_host);
 166   EXPECT_NE(ntp1_host, hosted1_host);
 167   EXPECT_NE(ntp1_host, web1_host);
 168   EXPECT_NE(ntp1_host, extension1_host);
 169
 170   // Hosted apps only share with each other.
 171   // Note that hosted2_host's app has the background permission and will use
 172   // process-per-site mode, but it should still share with hosted1_host's app.
 173   EXPECT_EQ(hosted1_host, hosted2_host);
 174   EXPECT_NE(hosted1_host, web1_host);
 175   EXPECT_NE(hosted1_host, extension1_host);
 176
 177   // Web pages only share with each other.
 178   EXPECT_EQ(web1_host, web2_host);
 179   EXPECT_NE(web1_host, extension1_host);
 180
 181   // Extensions only share with each other.
 182   EXPECT_EQ(extension1_host, extension2_host);
 183 }
 184
 185 // See
 186 #if defined(OS_WIN)
 187 #define MAYBE_ExtensionProcessBalancing DISABLED_ExtensionProcessBalancing
 188 #else
 189 #define MAYBE_ExtensionProcessBalancing ExtensionProcessBalancing
 190 #endif
 191 // Test to verify that the policy of maximum share of extension processes is
 192 // properly enforced.
 193 IN_PROC_BROWSER_TEST_F(ProcessManagementTest, MAYBE_ExtensionProcessBalancing) {
 194   // Set max renderers to 6 so we can expect 2 extension processes to be
 195   // allocated.
 196   content::RenderProcessHost::SetMaxRendererProcessCount(6);
 197
 198   host_resolver()->AddRule("*", "127.0.0.1");
 199   ASSERT_TRUE(embedded_test_server()->InitializeAndWaitUntilReady());
 200
 201   // The app under test acts on URLs whose host is "localhost",
 202   // so the URLs we navigate to must have host "localhost".
 203   GURL base_url = embedded_test_server()->GetURL(
 204       "/extensions/");
 205   GURL::Replacements replace_host;
 206   std::string host_str("localhost");  // Must stay in scope with replace_host.
 207   replace_host.SetHostStr(host_str);
 208   base_url = base_url.ReplaceComponents(replace_host);
 209
 210   ASSERT_TRUE(LoadExtension(
 211       test_data_dir_.AppendASCII("api_test/browser_action/none")));
 212   ASSERT_TRUE(LoadExtension(
 213       test_data_dir_.AppendASCII("api_test/browser_action/basics")));
 214   ASSERT_TRUE(LoadExtension(
 215       test_data_dir_.AppendASCII("api_test/browser_action/remove_popup")));
 216   ASSERT_TRUE(LoadExtension(
 217       test_data_dir_.AppendASCII("api_test/browser_action/add_popup")));
 218   ASSERT_TRUE(LoadExtension(
 219       test_data_dir_.AppendASCII("api_test/browser_action/no_icon")));
 220   ASSERT_TRUE(LoadExtension(
 221       test_data_dir_.AppendASCII("isolated_apps/app1")));
 222   ASSERT_TRUE(LoadExtension(
 223       test_data_dir_.AppendASCII("api_test/management/test")));
 224
 225   ui_test_utils::NavigateToURLWithDisposition(
 226       browser(), base_url.Resolve("isolated_apps/app1/main.html"),
 227       CURRENT_TAB, ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
 228
 229   ui_test_utils::NavigateToURLWithDisposition(
 230       browser(), base_url.Resolve("api_test/management/test/basics.html"),
 231       CURRENT_TAB, ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
 232
 233   std::set<int> process_ids;
 234   Profile* profile = browser()->profile();
 235   extensions::ProcessManager* epm = extensions::ExtensionSystem::Get(profile)->
 236       process_manager();
 237   for (extensions::ProcessManager::const_iterator iter =
 238            epm->background_hosts().begin();
 239        iter != epm->background_hosts().end(); ++iter) {
 240     process_ids.insert((*iter)->render_process_host()->GetID());
 241   }
 242
 243   // We've loaded 5 extensions with background pages, 1 extension without
 244   // background page, and one isolated app. We expect only 2 unique processes
 245   // hosting those extensions.
 246   extensions::ProcessMap* process_map = extensions::ProcessMap::Get(profile);
 247
 248   EXPECT_GE((size_t) 6, process_map->size());
 249   EXPECT_EQ((size_t) 2, process_ids.size());
 250 }