chrome/browser/extensions/extension_browsertest.h

   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 #ifndef CHROME_BROWSER_EXTENSIONS_EXTENSION_BROWSERTEST_H_
   6 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_BROWSERTEST_H_
   7
   8 #include <string>
   9
  10 #include "base/command_line.h"
  11
  12 #include "base/files/file_path.h"
  13 #include "base/files/scoped_temp_dir.h"
  14 #include "chrome/browser/extensions/extension_host.h"
  15 #include "chrome/browser/extensions/extension_test_notification_observer.h"
  16 #include "chrome/browser/profiles/profile.h"
  17 #include "chrome/browser/ui/browser.h"
  18 #include "chrome/common/extensions/features/feature_channel.h"
  19 #include "chrome/test/base/in_process_browser_test.h"
  20 #include "content/public/browser/web_contents.h"
  21 #include "extensions/browser/extension_system.h"
  22 #include "extensions/common/extension.h"
  23 #include "extensions/common/feature_switch.h"
  24 #include "extensions/common/manifest.h"
  25
  26 class ExtensionService;
  27 class Profile;
  28
  29 namespace extensions {
  30 class ExtensionCacheFake;
  31 class ExtensionSet;
  32 class ProcessManager;
  33 }
  34
  35 // Base class for extension browser tests. Provides utilities for loading,
  36 // unloading, and installing extensions.
  37 class ExtensionBrowserTest : virtual public InProcessBrowserTest {
  38  protected:
  39   // Flags used to configure how the tests are run.
  40   enum Flags {
  41     kFlagNone = 0,
  42
  43     // Allow the extension to run in incognito mode.
  44     kFlagEnableIncognito = 1 << 0,
  45
  46     // Allow file access for the extension.
  47     kFlagEnableFileAccess = 1 << 1,
  48
  49     // Don't fail when the loaded manifest has warnings (should only be used
  50     // when testing deprecated features).
  51     kFlagIgnoreManifestWarnings = 1 << 2,
  52
  53     // Allow older manifest versions (typically these can't be loaded - we allow
  54     // them for testing).
  55     kFlagAllowOldManifestVersions = 1 << 3,
  56   };
  57
  58   ExtensionBrowserTest();
  59   virtual ~ExtensionBrowserTest();
  60
  61   // Useful accessors.
  62   ExtensionService* extension_service() {
  63     return extensions::ExtensionSystem::Get(profile())->extension_service();
  64   }
  65
  66   const std::string& last_loaded_extension_id() {
  67     return observer_->last_loaded_extension_id();
  68   }
  69
  70   // Get the profile to use.
  71   virtual Profile* profile();
  72
  73   static const extensions::Extension* GetExtensionByPath(
  74       const extensions::ExtensionSet* extensions, const base::FilePath& path);
  75
  76   // InProcessBrowserTest
  77   virtual void SetUp() OVERRIDE;
  78   virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE;
  79   virtual void SetUpOnMainThread() OVERRIDE;
  80
  81   const extensions::Extension* LoadExtension(const base::FilePath& path);
  82
  83   // Same as above, but enables the extension in incognito mode first.
  84   const extensions::Extension* LoadExtensionIncognito(
  85       const base::FilePath& path);
  86
  87   const extensions::Extension* LoadExtensionWithFlags(
  88       const base::FilePath& path, int flags);
  89
  90   // Loads unpacked extension from |path| with manifest |manifest_relative_path|
  91   // and imitates that it is a component extension.
  92   // |manifest_relative_path| is relative to |path|.
  93   const extensions::Extension* LoadExtensionAsComponentWithManifest(
  94       const base::FilePath& path,
  95       const base::FilePath::CharType* manifest_relative_path);
  96
  97   // Loads unpacked extension from |path| and imitates that it is a component
  98   // extension. Equivalent to
  99   // LoadExtensionAsComponentWithManifest(path, extensions::kManifestFilename).
 100   const extensions::Extension* LoadExtensionAsComponent(
 101       const base::FilePath& path);
 102
 103   // Pack the extension in |dir_path| into a crx file and return its path.
 104   // Return an empty FilePath if there were errors.
 105   base::FilePath PackExtension(const base::FilePath& dir_path);
 106
 107   // Pack the extension in |dir_path| into a crx file at |crx_path|, using the
 108   // key |pem_path|. If |pem_path| does not exist, create a new key at
 109   // |pem_out_path|.
 110   // Return the path to the crx file, or an empty FilePath if there were errors.
 111   base::FilePath PackExtensionWithOptions(const base::FilePath& dir_path,
 112                                           const base::FilePath& crx_path,
 113                                           const base::FilePath& pem_path,
 114                                           const base::FilePath& pem_out_path);
 115
 116   // |expected_change| indicates how many extensions should be installed (or
 117   // disabled, if negative).
 118   // 1 means you expect a new install, 0 means you expect an upgrade, -1 means
 119   // you expect a failed upgrade.
 120   const extensions::Extension* InstallExtension(const base::FilePath& path,
 121                                                 int expected_change) {
 122     return InstallOrUpdateExtension(
 123         std::string(), path, INSTALL_UI_TYPE_NONE, expected_change);
 124   }
 125
 126   // Same as above, but an install source other than Manifest::INTERNAL can be
 127   // specified.
 128   const extensions::Extension* InstallExtension(
 129       const base::FilePath& path,
 130       int expected_change,
 131       extensions::Manifest::Location install_source) {
 132     return InstallOrUpdateExtension(std::string(),
 133                                     path,
 134                                     INSTALL_UI_TYPE_NONE,
 135                                     expected_change,
 136                                     install_source);
 137   }
 138
 139   // Installs extension as if it came from the Chrome Webstore.
 140   const extensions::Extension* InstallExtensionFromWebstore(
 141       const base::FilePath& path, int expected_change);
 142
 143   // Same as above but passes an id to CrxInstaller and does not allow a
 144   // privilege increase.
 145   const extensions::Extension* UpdateExtension(const std::string& id,
 146                                                const base::FilePath& path,
 147                                                int expected_change) {
 148     return InstallOrUpdateExtension(id, path, INSTALL_UI_TYPE_NONE,
 149                                     expected_change);
 150   }
 151
 152   // Same as UpdateExtension but waits for the extension to be idle first.
 153   const extensions::Extension* UpdateExtensionWaitForIdle(
 154       const std::string& id, const base::FilePath& path, int expected_change);
 155
 156   // Same as |InstallExtension| but with the normal extension UI showing up
 157   // (for e.g. info bar on success).
 158   const extensions::Extension* InstallExtensionWithUI(
 159       const base::FilePath& path,
 160       int expected_change) {
 161     return InstallOrUpdateExtension(
 162         std::string(), path, INSTALL_UI_TYPE_NORMAL, expected_change);
 163   }
 164
 165   const extensions::Extension* InstallExtensionWithUIAutoConfirm(
 166       const base::FilePath& path,
 167       int expected_change,
 168       Browser* browser) {
 169     return InstallOrUpdateExtension(std::string(),
 170                                     path,
 171                                     INSTALL_UI_TYPE_AUTO_CONFIRM,
 172                                     expected_change,
 173                                     browser,
 174                                     extensions::Extension::NO_FLAGS);
 175   }
 176
 177   const extensions::Extension* InstallExtensionWithSourceAndFlags(
 178       const base::FilePath& path,
 179       int expected_change,
 180       extensions::Manifest::Location install_source,
 181       extensions::Extension::InitFromValueFlags creation_flags) {
 182     return InstallOrUpdateExtension(std::string(), path, INSTALL_UI_TYPE_NONE,
 183         expected_change, install_source, browser(), creation_flags, false);
 184   }
 185
 186   // Begins install process but simulates a user cancel.
 187   const extensions::Extension* StartInstallButCancel(
 188       const base::FilePath& path) {
 189     return InstallOrUpdateExtension(
 190         std::string(), path, INSTALL_UI_TYPE_CANCEL, 0);
 191   }
 192
 193   void ReloadExtension(const std::string extension_id);
 194
 195   void UnloadExtension(const std::string& extension_id);
 196
 197   void UninstallExtension(const std::string& extension_id);
 198
 199   void DisableExtension(const std::string& extension_id);
 200
 201   void EnableExtension(const std::string& extension_id);
 202
 203   // Wait for the total number of page actions to change to |count|.
 204   bool WaitForPageActionCountChangeTo(int count) {
 205     return observer_->WaitForPageActionCountChangeTo(count);
 206   }
 207
 208   // Wait for the number of visible page actions to change to |count|.
 209   bool WaitForPageActionVisibilityChangeTo(int count) {
 210     return observer_->WaitForPageActionVisibilityChangeTo(count);
 211   }
 212
 213   // Waits until an extension is installed and loaded. Returns true if an
 214   // install happened before timeout.
 215   bool WaitForExtensionInstall() {
 216     return observer_->WaitForExtensionInstall();
 217   }
 218
 219   // Wait for an extension install error to be raised. Returns true if an
 220   // error was raised.
 221   bool WaitForExtensionInstallError() {
 222     return observer_->WaitForExtensionInstallError();
 223   }
 224
 225   // Waits until an extension is loaded and all view have loaded.
 226   void WaitForExtensionAndViewLoad() {
 227     return observer_->WaitForExtensionAndViewLoad();
 228   }
 229
 230   // Waits until an extension is loaded.
 231   void WaitForExtensionLoad() {
 232     return observer_->WaitForExtensionLoad();
 233   }
 234
 235   // Waits for an extension load error. Returns true if the error really
 236   // happened.
 237   bool WaitForExtensionLoadError() {
 238     return observer_->WaitForExtensionLoadError();
 239   }
 240
 241   // Wait for the specified extension to crash. Returns true if it really
 242   // crashed.
 243   bool WaitForExtensionCrash(const std::string& extension_id) {
 244     return observer_->WaitForExtensionCrash(extension_id);
 245   }
 246
 247   // Wait for the crx installer to be done. Returns true if it really is done.
 248   bool WaitForCrxInstallerDone() {
 249     return observer_->WaitForCrxInstallerDone();
 250   }
 251
 252   // Wait for all extension views to load.
 253   bool WaitForExtensionViewsToLoad() {
 254     return observer_->WaitForExtensionViewsToLoad();
 255   }
 256
 257   // Simulates a page calling window.open on an URL and waits for the
 258   // navigation.
 259   void OpenWindow(content::WebContents* contents,
 260                   const GURL& url,
 261                   bool newtab_process_should_equal_opener,
 262                   content::WebContents** newtab_result);
 263
 264   // Simulates a page navigating itself to an URL and waits for the
 265   // navigation.
 266   void NavigateInRenderer(content::WebContents* contents, const GURL& url);
 267
 268   // Looks for an ExtensionHost whose URL has the given path component
 269   // (including leading slash).  Also verifies that the expected number of hosts
 270   // are loaded.
 271   extensions::ExtensionHost* FindHostWithPath(
 272       extensions::ProcessManager* manager,
 273       const std::string& path,
 274       int expected_hosts);
 275
 276   // Returns
 277   // extensions::browsertest_util::ExecuteScriptInBackgroundPage(profile(),
 278   // extension_id, script).
 279   std::string ExecuteScriptInBackgroundPage(const std::string& extension_id,
 280                                             const std::string& script);
 281
 282   bool loaded_;
 283   bool installed_;
 284
 285 #if defined(OS_CHROMEOS)
 286   // True if the command line should be tweaked as if ChromeOS user is
 287   // already logged in.
 288   bool set_chromeos_user_;
 289 #endif
 290
 291   // test_data/extensions.
 292   base::FilePath test_data_dir_;
 293
 294   scoped_ptr<ExtensionTestNotificationObserver> observer_;
 295
 296  private:
 297   // Temporary directory for testing.
 298   base::ScopedTempDir temp_dir_;
 299
 300   // Specifies the type of UI (if any) to show during installation and what
 301   // user action to simulate.
 302   enum InstallUIType {
 303     INSTALL_UI_TYPE_NONE,
 304     INSTALL_UI_TYPE_CANCEL,
 305     INSTALL_UI_TYPE_NORMAL,
 306     INSTALL_UI_TYPE_AUTO_CONFIRM,
 307   };
 308
 309   const extensions::Extension* InstallOrUpdateExtension(
 310       const std::string& id,
 311       const base::FilePath& path,
 312       InstallUIType ui_type,
 313       int expected_change);
 314   const extensions::Extension* InstallOrUpdateExtension(
 315       const std::string& id,
 316       const base::FilePath& path,
 317       InstallUIType ui_type,
 318       int expected_change,
 319       Browser* browser,
 320       extensions::Extension::InitFromValueFlags creation_flags);
 321   const extensions::Extension* InstallOrUpdateExtension(
 322       const std::string& id,
 323       const base::FilePath& path,
 324       InstallUIType ui_type,
 325       int expected_change,
 326       extensions::Manifest::Location install_source);
 327   const extensions::Extension* InstallOrUpdateExtension(
 328       const std::string& id,
 329       const base::FilePath& path,
 330       InstallUIType ui_type,
 331       int expected_change,
 332       extensions::Manifest::Location install_source,
 333       Browser* browser,
 334       extensions::Extension::InitFromValueFlags creation_flags,
 335       bool wait_for_idle);
 336
 337   // Make the current channel "dev" for the duration of the test.
 338   extensions::ScopedCurrentChannel current_channel_;
 339
 340   // Disable external install UI.
 341   extensions::FeatureSwitch::ScopedOverride
 342       override_prompt_for_external_extensions_;
 343
 344   // The default profile to be used.
 345   Profile* profile_;
 346
 347   // Cache cache implementation.
 348   scoped_ptr<extensions::ExtensionCacheFake> test_extension_cache_;
 349 };
 350
 351 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_BROWSERTEST_H_