MediaFileSystemRegistry unit tests.

chrome/browser/extensions/api/media_galleries/media_galleries_apitest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/command_line.h"
-#include "base/file_path.h"
-#include "base/file_util.h"
-#include "base/path_service.h"
 #include "base/stringprintf.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/extensions/extension_apitest.h"
 #include "chrome/browser/extensions/extension_process_manager.h"
 #include "chrome/browser/extensions/extension_system.h"
 #include "chrome/browser/extensions/platform_app_browsertest_util.h"
+#include "chrome/browser/media_gallery/media_galleries_test_util.h"
 #include "chrome/browser/ui/browser.h"
-#include "chrome/common/chrome_paths.h"
 #include "chrome/common/chrome_switches.h"
 #include "content/public/browser/render_view_host.h"
 
-#if defined(OS_LINUX)
-#include "base/environment.h"
-#include "base/scoped_temp_dir.h"
-#endif
-
 using extensions::PlatformAppBrowserTest;
 
 namespace {
 
 class ExperimentalMediaGalleriesApiTest : public ExtensionApiTest {
  public:
   virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
     ExtensionApiTest::SetUpCommandLine(command_line);
     command_line->AppendSwitch(switches::kEnableExperimentalExtensionApis);
   }
@@ skipping 12 matching lines @@
 
     static const char kTestGalleries[] = "testGalleries(%d)";
     ResultCatcher catcher;
     host->render_view_host()->ExecuteJavascriptInWebFrame(
         string16(),
         ASCIIToUTF16(base::StringPrintf(kTestGalleries, expected_galleries)));
     EXPECT_TRUE(catcher.GetNextResult()) << message_;
   }
 };
 
-class EnsureMediaDirectoriesExists {
- public:
-  EnsureMediaDirectoriesExists() : num_galleries_(0) {
-    Init();
-  }
-
-  int num_galleries() const { return num_galleries_; }
-
- private:
-  void Init() {
-#if defined(OS_CHROMEOS) || defined(OS_ANDROID)
-    return;
-#elif defined(OS_LINUX)
-    // On Linux, the media directories may not exist by default, so override
-    // the settings to point to a temp directory with the media directories.
-    ASSERT_TRUE(xdg_dir_.CreateUniqueTempDir());
-    const FilePath xdg_path = xdg_dir_.path();
-    const FilePath music_dir(xdg_path.Append("Megaman"));
-    const FilePath pictures_dir(xdg_path.Append("Pitfall"));
-    const FilePath videos_dir(xdg_path.Append("VVVV"));
-    ASSERT_TRUE(file_util::CreateDirectory(music_dir));
-    ASSERT_TRUE(file_util::CreateDirectory(pictures_dir));
-    ASSERT_TRUE(file_util::CreateDirectory(videos_dir));
-
-    const FilePath config_file(xdg_path.Append("user-dirs.dirs"));
-    std::string xdg_user_dir_data = base::StringPrintf(
-        "XDG_MUSIC_DIR=\"%s\"\n"
-        "XDG_PICTURES_DIR=\"%s\"\n"
-        "XDG_VIDEOS_DIR=\"%s\"\n",
-        music_dir.value().c_str(),
-        pictures_dir.value().c_str(),
-        videos_dir.value().c_str());
-    ASSERT_TRUE(file_util::WriteFile(config_file,
-                                     xdg_user_dir_data.c_str(),
-                                     xdg_user_dir_data.size()));
-
-    scoped_ptr<base::Environment> env(base::Environment::Create());
-    env->SetVar("XDG_CONFIG_HOME", xdg_path.value());
-
-    num_galleries_ = 3;
-#else
-    const int kDirectoryKeys[] = {
-      chrome::DIR_USER_MUSIC,
-      chrome::DIR_USER_PICTURES,
-      chrome::DIR_USER_VIDEOS,
-    };
-
-    for (size_t i = 0; i < arraysize(kDirectoryKeys); ++i) {
-      FilePath path;
-      if (PathService::Get(kDirectoryKeys[i], &path) &&
-          file_util::DirectoryExists(path)) {
-        ++num_galleries_;
-      }
-    }
-    ASSERT_GT(num_galleries_, 0);
-#endif
-  }
-
-#if defined(OS_LINUX)
-  ScopedTempDir xdg_dir_;
-#endif
-
-  int num_galleries_;
-
-  DISALLOW_COPY_AND_ASSIGN(EnsureMediaDirectoriesExists);
-};
-
 }  // namespace
 
 IN_PROC_BROWSER_TEST_F(PlatformAppMediaGalleriesBrowserTest, NoGalleries) {
-  EnsureMediaDirectoriesExists media_directories;
+  chrome::EnsureMediaDirectoriesExists media_directories;
   ASSERT_TRUE(RunPlatformAppTest("api_test/media_galleries/no_galleries"))
       << message_;
 }
 
 IN_PROC_BROWSER_TEST_F(PlatformAppMediaGalleriesBrowserTest,
                        MediaGalleriesRead) {
-  EnsureMediaDirectoriesExists media_directories;
+  chrome::EnsureMediaDirectoriesExists media_directories;
   ASSERT_TRUE(RunPlatformAppTest("api_test/media_galleries/read_access"))
       << message_;
   RunSecondTestPhase(media_directories.num_galleries());
 }
 
 IN_PROC_BROWSER_TEST_F(PlatformAppMediaGalleriesBrowserTest,
                        MediaGalleriesNoAccess) {
-  EnsureMediaDirectoriesExists media_directories;
+  chrome::EnsureMediaDirectoriesExists media_directories;
   ASSERT_TRUE(RunPlatformAppTest("api_test/media_galleries/no_access"))
       << message_;
   RunSecondTestPhase(media_directories.num_galleries());
 }
 
 IN_PROC_BROWSER_TEST_F(ExperimentalMediaGalleriesApiTest,
                        ExperimentalMediaGalleries) {
   ASSERT_TRUE(RunExtensionTest("media_galleries/experimental")) << message_;
 }