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