src/chrome/browser/extensions/extension_startup_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 <vector>
   6
   7 #include "base/command_line.h"
   8 #include "base/file_util.h"
   9 #include "base/files/file_path.h"
  10 #include "base/path_service.h"
  11 #include "base/strings/string_util.h"
  12 #include "chrome/browser/chrome_notification_types.h"
  13 #include "chrome/browser/extensions/extension_service.h"
  14 #include "chrome/browser/extensions/extension_system.h"
  15 #include "chrome/browser/extensions/extension_util.h"
  16 #include "chrome/browser/extensions/user_script_master.h"
  17 #include "chrome/browser/profiles/profile.h"
  18 #include "chrome/browser/ui/browser.h"
  19 #include "chrome/browser/ui/tabs/tab_strip_model.h"
  20 #include "chrome/common/chrome_paths.h"
  21 #include "chrome/common/chrome_switches.h"
  22 #include "chrome/test/base/in_process_browser_test.h"
  23 #include "chrome/test/base/testing_profile.h"
  24 #include "chrome/test/base/ui_test_utils.h"
  25 #include "content/public/browser/notification_details.h"
  26 #include "content/public/browser/notification_service.h"
  27 #include "content/public/browser/web_contents.h"
  28 #include "content/public/test/browser_test_utils.h"
  29 #include "extensions/browser/extension_registry.h"
  30 #include "extensions/common/extension.h"
  31 #include "extensions/common/extension_set.h"
  32 #include "extensions/common/feature_switch.h"
  33 #include "net/base/net_util.h"
  34
  35 using extensions::FeatureSwitch;
  36
  37 // This file contains high-level startup tests for the extensions system. We've
  38 // had many silly bugs where command line flags did not get propagated correctly
  39 // into the services, so we didn't start correctly.
  40
  41 class ExtensionStartupTestBase : public InProcessBrowserTest {
  42  public:
  43   ExtensionStartupTestBase() :
  44       enable_extensions_(false) {
  45     num_expected_extensions_ = 3;
  46   }
  47
  48  protected:
  49   // InProcessBrowserTest
  50   virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
  51     if (!enable_extensions_)
  52       command_line->AppendSwitch(switches::kDisableExtensions);
  53
  54     if (!load_extensions_.empty()) {
  55       base::FilePath::StringType paths = JoinString(load_extensions_, ',');
  56       command_line->AppendSwitchNative(switches::kLoadExtension,
  57                                        paths);
  58       command_line->AppendSwitch(switches::kDisableExtensionsFileAccessCheck);
  59     }
  60   }
  61
  62   virtual bool SetUpUserDataDirectory() OVERRIDE {
  63     base::FilePath profile_dir;
  64     PathService::Get(chrome::DIR_USER_DATA, &profile_dir);
  65     profile_dir = profile_dir.AppendASCII(TestingProfile::kTestUserProfileDir);
  66     base::CreateDirectory(profile_dir);
  67
  68     preferences_file_ = profile_dir.AppendASCII("Preferences");
  69     user_scripts_dir_ = profile_dir.AppendASCII("User Scripts");
  70     extensions_dir_ = profile_dir.AppendASCII("Extensions");
  71
  72     if (enable_extensions_ && load_extensions_.empty()) {
  73       base::FilePath src_dir;
  74       PathService::Get(chrome::DIR_TEST_DATA, &src_dir);
  75       src_dir = src_dir.AppendASCII("extensions").AppendASCII("good");
  76
  77       base::CopyFile(src_dir.AppendASCII("Preferences"), preferences_file_);
  78       base::CopyDirectory(src_dir.AppendASCII("Extensions"),
  79                           profile_dir, true);  // recursive
  80     }
  81     return true;
  82   }
  83
  84   virtual void TearDown() {
  85     EXPECT_TRUE(base::DeleteFile(preferences_file_, false));
  86
  87     // TODO(phajdan.jr): Check return values of the functions below, carefully.
  88     base::DeleteFile(user_scripts_dir_, true);
  89     base::DeleteFile(extensions_dir_, true);
  90
  91     InProcessBrowserTest::TearDown();
  92   }
  93
  94   void WaitForServicesToStart(int num_expected_extensions,
  95                               bool expect_extensions_enabled) {
  96     ExtensionService* service = extensions::ExtensionSystem::Get(
  97         browser()->profile())->extension_service();
  98
  99     // Count the number of non-component extensions.
 100     int found_extensions = 0;
 101     for (extensions::ExtensionSet::const_iterator it =
 102              service->extensions()->begin();
 103          it != service->extensions()->end(); ++it) {
 104       if ((*it)->location() != extensions::Manifest::COMPONENT)
 105         found_extensions++;
 106     }
 107
 108     ASSERT_EQ(static_cast<uint32>(num_expected_extensions),
 109               static_cast<uint32>(found_extensions));
 110     ASSERT_EQ(expect_extensions_enabled, service->extensions_enabled());
 111
 112     content::WindowedNotificationObserver user_scripts_observer(
 113         chrome::NOTIFICATION_USER_SCRIPTS_UPDATED,
 114         content::NotificationService::AllSources());
 115     extensions::UserScriptMaster* master =
 116         extensions::ExtensionSystem::Get(browser()->profile())->
 117             user_script_master();
 118     if (!master->ScriptsReady())
 119       user_scripts_observer.Wait();
 120     ASSERT_TRUE(master->ScriptsReady());
 121   }
 122
 123   void TestInjection(bool expect_css, bool expect_script) {
 124     // Load a page affected by the content script and test to see the effect.
 125     base::FilePath test_file;
 126     PathService::Get(chrome::DIR_TEST_DATA, &test_file);
 127     test_file = test_file.AppendASCII("extensions")
 128                          .AppendASCII("test_file.html");
 129
 130     ui_test_utils::NavigateToURL(browser(), net::FilePathToFileURL(test_file));
 131
 132     bool result = false;
 133     ASSERT_TRUE(content::ExecuteScriptAndExtractBool(
 134         browser()->tab_strip_model()->GetActiveWebContents(),
 135         "window.domAutomationController.send("
 136         "    document.defaultView.getComputedStyle(document.body, null)."
 137         "    getPropertyValue('background-color') == 'rgb(245, 245, 220)')",
 138         &result));
 139     EXPECT_EQ(expect_css, result);
 140
 141     result = false;
 142     ASSERT_TRUE(content::ExecuteScriptAndExtractBool(
 143         browser()->tab_strip_model()->GetActiveWebContents(),
 144         "window.domAutomationController.send(document.title == 'Modified')",
 145         &result));
 146     EXPECT_EQ(expect_script, result);
 147   }
 148
 149   base::FilePath preferences_file_;
 150   base::FilePath extensions_dir_;
 151   base::FilePath user_scripts_dir_;
 152   bool enable_extensions_;
 153   // Extensions to load from the command line.
 154   std::vector<base::FilePath::StringType> load_extensions_;
 155
 156   int num_expected_extensions_;
 157 };
 158
 159
 160 // ExtensionsStartupTest
 161 // Ensures that we can startup the browser with --enable-extensions and some
 162 // extensions installed and see them run and do basic things.
 163
 164 class ExtensionsStartupTest : public ExtensionStartupTestBase {
 165  public:
 166   ExtensionsStartupTest() {
 167     enable_extensions_ = true;
 168   }
 169 };
 170
 171 IN_PROC_BROWSER_TEST_F(ExtensionsStartupTest, Test) {
 172   WaitForServicesToStart(num_expected_extensions_, true);
 173   TestInjection(true, true);
 174 }
 175
 176 // Sometimes times out on Mac.  http://crbug.com/48151
 177 #if defined(OS_MACOSX)
 178 #define MAYBE_NoFileAccess DISABLED_NoFileAccess
 179 #else
 180 #define MAYBE_NoFileAccess NoFileAccess
 181 #endif
 182 // Tests that disallowing file access on an extension prevents it from injecting
 183 // script into a page with a file URL.
 184 IN_PROC_BROWSER_TEST_F(ExtensionsStartupTest, MAYBE_NoFileAccess) {
 185   WaitForServicesToStart(num_expected_extensions_, true);
 186
 187   // Keep a separate list of extensions for which to disable file access, since
 188   // doing so reloads them.
 189   std::vector<const extensions::Extension*> extension_list;
 190
 191   extensions::ExtensionRegistry* registry =
 192       extensions::ExtensionRegistry::Get(browser()->profile());
 193   for (extensions::ExtensionSet::const_iterator it =
 194            registry->enabled_extensions().begin();
 195        it != registry->enabled_extensions().end(); ++it) {
 196     if ((*it)->location() == extensions::Manifest::COMPONENT)
 197       continue;
 198     if (extensions::util::AllowFileAccess((*it)->id(), browser()->profile()))
 199       extension_list.push_back(it->get());
 200   }
 201
 202   for (size_t i = 0; i < extension_list.size(); ++i) {
 203     content::WindowedNotificationObserver user_scripts_observer(
 204         chrome::NOTIFICATION_USER_SCRIPTS_UPDATED,
 205         content::NotificationService::AllSources());
 206     extensions::util::SetAllowFileAccess(
 207         extension_list[i]->id(), browser()->profile(), false);
 208     user_scripts_observer.Wait();
 209   }
 210
 211   TestInjection(false, false);
 212 }
 213
 214 // ExtensionsLoadTest
 215 // Ensures that we can startup the browser with --load-extension and see them
 216 // run.
 217
 218 class ExtensionsLoadTest : public ExtensionStartupTestBase {
 219  public:
 220   ExtensionsLoadTest() {
 221     enable_extensions_ = true;
 222     base::FilePath one_extension_path;
 223     PathService::Get(chrome::DIR_TEST_DATA, &one_extension_path);
 224     one_extension_path = one_extension_path
 225         .AppendASCII("extensions")
 226         .AppendASCII("good")
 227         .AppendASCII("Extensions")
 228         .AppendASCII("behllobkkfkfnphdnhnkndlbkcpglgmj")
 229         .AppendASCII("1.0.0.0");
 230     load_extensions_.push_back(one_extension_path.value());
 231   }
 232 };
 233
 234 // Fails inconsistently on Linux x64. http://crbug.com/80961
 235 // TODO(dpapad): Has not failed since October 2011, let's reenable, monitor
 236 // and act accordingly.
 237 IN_PROC_BROWSER_TEST_F(ExtensionsLoadTest, Test) {
 238   WaitForServicesToStart(1, true);
 239   TestInjection(true, true);
 240 }
 241
 242 // ExtensionsLoadMultipleTest
 243 // Ensures that we can startup the browser with multiple extensions
 244 // via --load-extension=X1,X2,X3.
 245 class ExtensionsLoadMultipleTest : public ExtensionStartupTestBase {
 246  public:
 247   ExtensionsLoadMultipleTest() {
 248     enable_extensions_ = true;
 249     base::FilePath one_extension_path;
 250     PathService::Get(chrome::DIR_TEST_DATA, &one_extension_path);
 251     one_extension_path = one_extension_path
 252         .AppendASCII("extensions")
 253         .AppendASCII("good")
 254         .AppendASCII("Extensions")
 255         .AppendASCII("behllobkkfkfnphdnhnkndlbkcpglgmj")
 256         .AppendASCII("1.0.0.0");
 257     load_extensions_.push_back(one_extension_path.value());
 258
 259     base::FilePath second_extension_path;
 260     PathService::Get(chrome::DIR_TEST_DATA, &second_extension_path);
 261     second_extension_path = second_extension_path
 262         .AppendASCII("extensions")
 263         .AppendASCII("app");
 264     load_extensions_.push_back(second_extension_path.value());
 265
 266     base::FilePath third_extension_path;
 267     PathService::Get(chrome::DIR_TEST_DATA, &third_extension_path);
 268     third_extension_path = third_extension_path
 269         .AppendASCII("extensions")
 270         .AppendASCII("app1");
 271     load_extensions_.push_back(third_extension_path.value());
 272
 273     base::FilePath fourth_extension_path;
 274     PathService::Get(chrome::DIR_TEST_DATA, &fourth_extension_path);
 275     fourth_extension_path = fourth_extension_path
 276         .AppendASCII("extensions")
 277         .AppendASCII("app2");
 278     load_extensions_.push_back(fourth_extension_path.value());
 279   }
 280 };
 281
 282 IN_PROC_BROWSER_TEST_F(ExtensionsLoadMultipleTest, Test) {
 283   WaitForServicesToStart(4, true);
 284   TestInjection(true, true);
 285 }