file_manager: Move non-binding code to c/b/chromeos/file_manager

chrome/browser/chromeos/extensions/file_manager/file_watcher_unittest.cc

-// Copyright 2013 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 "chrome/browser/chromeos/extensions/file_manager/file_watcher.h"
-
-#include "base/file_util.h"
-#include "base/files/scoped_temp_dir.h"
-#include "base/message_loop/message_loop.h"
-#include "base/run_loop.h"
-#include "chrome/browser/google_apis/test_util.h"
-#include "content/public/test/test_browser_thread_bundle.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace file_manager {
-namespace {
-
-using google_apis::test_util::CreateQuitCallback;
-using google_apis::test_util::CreateCopyResultCallback;
-
-class FileManagerFileWatcherTest : public testing::Test {
- public:
-  // Use IO_MAINLOOP so FilePathWatcher works in the fake FILE thread, which
-  // is actually shared with the main thread.
-  FileManagerFileWatcherTest()
-      : thread_bundle_(content::TestBrowserThreadBundle::IO_MAINLOOP) {
-  }
-
- private:
-  content::TestBrowserThreadBundle thread_bundle_;
-};
-
-TEST_F(FileManagerFileWatcherTest, AddAndRemoveOneExtensionId) {
-  const base::FilePath kVirtualPath =
-      base::FilePath::FromUTF8Unsafe("foo/bar.txt");
-  const char kExtensionId[] = "extension-id";
-
-  FileWatcher file_watcher(kVirtualPath);
-  file_watcher.AddExtension(kExtensionId);
-  std::vector<std::string> extension_ids = file_watcher.GetExtensionIds();
-
-  ASSERT_EQ(1U, extension_ids.size());
-  ASSERT_EQ(kExtensionId, extension_ids[0]);
-
-  file_watcher.RemoveExtension(kExtensionId);
-  extension_ids = file_watcher.GetExtensionIds();
-  ASSERT_EQ(0U, extension_ids.size());
-}
-
-TEST_F(FileManagerFileWatcherTest, AddAndRemoveMultipleExtensionIds) {
-  const base::FilePath kVirtualPath =
-      base::FilePath::FromUTF8Unsafe("foo/bar.txt");
-  const char kExtensionFooId[] = "extension-foo-id";
-  const char kExtensionBarId[] = "extension-bar-id";
-
-  FileWatcher file_watcher(kVirtualPath);
-  file_watcher.AddExtension(kExtensionFooId);
-  file_watcher.AddExtension(kExtensionBarId);
-  std::vector<std::string> extension_ids = file_watcher.GetExtensionIds();
-
-  // The list should be sorted.
-  ASSERT_EQ(2U, extension_ids.size());
-  ASSERT_EQ(kExtensionBarId, extension_ids[0]);
-  ASSERT_EQ(kExtensionFooId, extension_ids[1]);
-
-  // Remove Foo. Bar should remain.
-  file_watcher.RemoveExtension(kExtensionFooId);
-  extension_ids = file_watcher.GetExtensionIds();
-  ASSERT_EQ(1U, extension_ids.size());
-  ASSERT_EQ(kExtensionBarId, extension_ids[0]);
-
-  // Remove Bar. Nothing should remain.
-  file_watcher.RemoveExtension(kExtensionBarId);
-  extension_ids = file_watcher.GetExtensionIds();
-  ASSERT_EQ(0U, extension_ids.size());
-}
-
-TEST_F(FileManagerFileWatcherTest, AddSameExtensionMultipleTimes) {
-  const base::FilePath kVirtualPath =
-      base::FilePath::FromUTF8Unsafe("foo/bar.txt");
-  const char kExtensionId[] = "extension-id";
-
-  FileWatcher file_watcher(kVirtualPath);
-  // Add three times.
-  file_watcher.AddExtension(kExtensionId);
-  file_watcher.AddExtension(kExtensionId);
-  file_watcher.AddExtension(kExtensionId);
-
-  std::vector<std::string> extension_ids = file_watcher.GetExtensionIds();
-  ASSERT_EQ(1U, extension_ids.size());
-  ASSERT_EQ(kExtensionId, extension_ids[0]);
-
-  // Remove 1st time.
-  file_watcher.RemoveExtension(kExtensionId);
-  extension_ids = file_watcher.GetExtensionIds();
-  ASSERT_EQ(1U, extension_ids.size());
-
-  // Remove 2nd time.
-  file_watcher.RemoveExtension(kExtensionId);
-  extension_ids = file_watcher.GetExtensionIds();
-  ASSERT_EQ(1U, extension_ids.size());
-
-  // Remove 3rd time. The extension ID should be gone now.
-  file_watcher.RemoveExtension(kExtensionId);
-  extension_ids = file_watcher.GetExtensionIds();
-  ASSERT_EQ(0U, extension_ids.size());
-}
-
-TEST_F(FileManagerFileWatcherTest, WatchLocalFile) {
-  const base::FilePath kVirtualPath =
-      base::FilePath::FromUTF8Unsafe("foo/bar.txt");
-  const char kExtensionId[] = "extension-id";
-
-  // Create a temporary directory.
-  base::ScopedTempDir temp_dir;
-  ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
-
-  // See the comment at the end of this function for why scoped_ptr is used.
-  scoped_ptr<FileWatcher> file_watcher(
-      new FileWatcher(kVirtualPath));
-  file_watcher->AddExtension(kExtensionId);
-
-  // Start watching changes in the temporary directory.
-  base::FilePath changed_path;
-  bool watcher_created = false;
-  bool on_change_error = false;
-  base::RunLoop run_loop;
-  file_watcher->WatchLocalFile(
-      temp_dir.path(),
-      CreateQuitCallback(
-          &run_loop,
-          CreateCopyResultCallback(&changed_path, &on_change_error)),
-      CreateCopyResultCallback(&watcher_created));
-  // Spin the message loop so the base::FilePathWatcher is created.
-  base::RunLoop().RunUntilIdle();
-  ASSERT_TRUE(watcher_created);
-
-  // Create a temporary file in the temporary directory. The file watcher
-  // should detect the change in the directory.
-  base::FilePath temp_file_path;
-  ASSERT_TRUE(file_util::CreateTemporaryFileInDir(temp_dir.path(),
-                                                  &temp_file_path));
-  // Wait until the directory change is notified.
-  run_loop.Run();
-  ASSERT_FALSE(on_change_error);
-  ASSERT_EQ(temp_dir.path().value(), changed_path.value());
-
-  // This is ugly, but FileWatcher should be deleted explicitly here, and
-  // spin the message loop so the base::FilePathWatcher is deleted.
-  // Otherwise, base::FilePathWatcher may detect a change when the temporary
-  // directory is deleted, which may result in crash.
-  file_watcher.reset();
-  base::RunLoop().RunUntilIdle();
-}
-
-}  // namespace
-}  // namespace file_manager.