[SyncFS] Add browser_tests to test authentication state of SyncFS

chrome/browser/extensions/api/sync_file_system/sync_file_system_browsertest.cc

Index: chrome/browser/extensions/api/sync_file_system/sync_file_system_browsertest.cc
diff --git a/chrome/browser/extensions/api/sync_file_system/sync_file_system_browsertest.cc b/chrome/browser/extensions/api/sync_file_system/sync_file_system_browsertest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..1ec43b55a7cfac917f98d96c994ddba041a21a48
--- /dev/null
+++ b/chrome/browser/extensions/api/sync_file_system/sync_file_system_browsertest.cc
@@ -0,0 +1,214 @@
+// Copyright 2014 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/json/json_reader.h"
+#include "base/run_loop.h"
+#include "base/thread_task_runner_handle.h"
+#include "base/values.h"
+#include "chrome/browser/apps/app_browsertest_util.h"
+#include "chrome/browser/drive/fake_drive_service.h"
+#include "chrome/browser/extensions/extension_service.h"
+#include "chrome/browser/signin/fake_signin_manager.h"
+#include "chrome/browser/sync_file_system/drive_backend/sync_engine.h"
+#include "chrome/browser/sync_file_system/local/local_file_sync_service.h"
+#include "chrome/browser/sync_file_system/sync_file_system_service.h"
+#include "chrome/browser/sync_file_system/sync_file_system_service_factory.h"
+#include "extensions/test/extension_test_message_listener.h"
+#include "extensions/test/result_catcher.h"
+#include "storage/browser/quota/quota_manager.h"
+#include "third_party/leveldatabase/src/helpers/memenv/memenv.h"
+#include "third_party/leveldatabase/src/include/leveldb/env.h"
+
+namespace sync_file_system {
+
+namespace {
+
+class FakeDriveServiceFactory
+    : public drive_backend::SyncEngine::DriveServiceFactory {
+ public:
+  explicit FakeDriveServiceFactory(
+      drive::FakeDriveService::ChangeObserver* change_observer)
+      : change_observer_(change_observer) {}
+  virtual ~FakeDriveServiceFactory() {}
+
+  virtual scoped_ptr<drive::DriveServiceInterface> CreateDriveService(
+      OAuth2TokenService* oauth2_token_service,
+      net::URLRequestContextGetter* url_request_context_getter,
+      base::SequencedTaskRunner* blocking_task_runner) OVERRIDE {
+    scoped_ptr<drive::FakeDriveService> drive_service(
+        new drive::FakeDriveService);
+    drive_service->AddChangeObserver(change_observer_);
+    return drive_service.PassAs<drive::DriveServiceInterface>();
+  }
+
+ private:
+  drive::FakeDriveService::ChangeObserver* change_observer_;
+
+  DISALLOW_COPY_AND_ASSIGN(FakeDriveServiceFactory);
+};
+
+}  // namespace
+
+class SyncFileSystemTest : public extensions::PlatformAppBrowserTest,
+                           public drive::FakeDriveService::ChangeObserver {
+ public:
+  SyncFileSystemTest()
+      : fake_drive_service_(NULL),
+        local_service_(NULL),
+        remote_service_(NULL) {
+  }
+
+  virtual void SetUpInProcessBrowserTestFixture() OVERRIDE {
+    ExtensionApiTest::SetUpInProcessBrowserTestFixture();
+    real_minimum_preserved_space_ =
+        storage::QuotaManager::kMinimumPreserveForSystem;
+    storage::QuotaManager::kMinimumPreserveForSystem = 0;
+  }
+
+  virtual void TearDownInProcessBrowserTestFixture() OVERRIDE {
+    storage::QuotaManager::kMinimumPreserveForSystem =
+        real_minimum_preserved_space_;
+    ExtensionApiTest::TearDownInProcessBrowserTestFixture();
+  }
+
+  scoped_refptr<base::SequencedTaskRunner> MakeSequencedTaskRunner() {
+    scoped_refptr<base::SequencedWorkerPool> worker_pool =
+        content::BrowserThread::GetBlockingPool();
+
+    return worker_pool->GetSequencedTaskRunnerWithShutdownBehavior(
+        worker_pool->GetSequenceToken(),
+        base::SequencedWorkerPool::SKIP_ON_SHUTDOWN);
+  }
+
+  virtual void SetUpOnMainThread() OVERRIDE {
+    ASSERT_TRUE(base_dir_.CreateUniqueTempDir());
+
+    SyncFileSystemServiceFactory* factory =
+        SyncFileSystemServiceFactory::GetInstance();
+
+    content::BrowserContext* context = browser()->profile();
+    ExtensionServiceInterface* extension_service =
+        extensions::ExtensionSystem::Get(context)->extension_service();
+
+    scoped_ptr<drive_backend::SyncEngine::DriveServiceFactory>
+        drive_service_factory(new FakeDriveServiceFactory(this));
+
+    fake_signin_manager_.reset(new FakeSigninManagerForTesting(
+        browser()->profile()));
+
+    remote_service_ = new drive_backend::SyncEngine(
+        base::ThreadTaskRunnerHandle::Get(),  // ui_task_runner
+        MakeSequencedTaskRunner(),
+        MakeSequencedTaskRunner(),
+        base_dir_.path(),
+        NULL,  // task_logger
+        NULL,  // notification_manager
+        extension_service,
+        fake_signin_manager_.get(),  // signin_manager
+        NULL,  // token_service
+        NULL,  // request_context
+        drive_service_factory.Pass(),
+        in_memory_env_.get());
+    remote_service_->SetSyncEnabled(true);
+    factory->set_mock_remote_file_service(
+        scoped_ptr<RemoteFileSyncService>(remote_service_));
+  }
+
+  // drive::FakeDriveService::ChangeObserver override.
+  virtual void OnNewChangeAvailable() OVERRIDE {
+    sync_engine()->OnNotificationReceived();
+  }
+
+  SyncFileSystemService* sync_file_system_service() {
+    return SyncFileSystemServiceFactory::GetForProfile(browser()->profile());
+  }
+
+  drive_backend::SyncEngine* sync_engine() {
+    return static_cast<drive_backend::SyncEngine*>(
+        sync_file_system_service()->remote_service_.get());
+  }
+
+  LocalFileSyncService* local_file_sync_service() {
+    return sync_file_system_service()->local_service_.get();
+  }
+
+  void SignIn() {
+    fake_signin_manager_->SetAuthenticatedUsername("tester");
+    sync_engine()->GoogleSigninSucceeded("test_account", "tester", "testing");
+  }
+
+  void SetSyncEnabled(bool enabled) {
+    sync_file_system_service()->SetSyncEnabledForTesting(enabled);
+  }
+
+  void WaitUntilIdle() {
+    base::RunLoop run_loop;
+    sync_file_system_service()->CallOnIdleForTesting(run_loop.QuitClosure());
+    run_loop.Run();
+  }
+
+ private:
+  base::ScopedTempDir base_dir_;
+  scoped_ptr<leveldb::Env> in_memory_env_;
+
+  scoped_ptr<FakeSigninManagerForTesting> fake_signin_manager_;
+
+  drive::FakeDriveService* fake_drive_service_;
+  LocalFileSyncService* local_service_;
+  drive_backend::SyncEngine* remote_service_;
+
+  int64 real_minimum_preserved_space_;
+
+  DISALLOW_COPY_AND_ASSIGN(SyncFileSystemTest);
+};
+
+IN_PROC_BROWSER_TEST_F(SyncFileSystemTest, AuthorizationTest) {
+  ExtensionTestMessageListener open_failure(
+      "checkpoint: Failed to get syncfs", true);
+  ExtensionTestMessageListener bar_created(
+      "checkpoint: \"/bar\" created", true);
+  ExtensionTestMessageListener foo_created(
+      "checkpoint: \"/foo\" created", true);
+  extensions::ResultCatcher catcher;
+
+  LoadAndLaunchPlatformApp("sync_file_system/authorization_test", "Launched");
+
+  // Application sync is disabled at the initial state.  Thus first
+  // syncFilesystem.requestFileSystem call should fail.
+  ASSERT_TRUE(open_failure.WaitUntilSatisfied());
+
+  // Enable Application sync and let the app retry.
+  SignIn();
+  SetSyncEnabled(true);
+
+  open_failure.Reply("resume");
+
+  ASSERT_TRUE(foo_created.WaitUntilSatisfied());
+
+  // The app creates a file "/foo", that should successfully sync to the remote
+  // service.  Wait for the completion and resume the app.
+  WaitUntilIdle();
+
+  sync_engine()->GoogleSignedOut("test_account", std::string());
+  foo_created.Reply("resume");
+
+  ASSERT_TRUE(bar_created.WaitUntilSatisfied());
+
+  // The app creates anohter file "/bar".  Since the user signed out from chrome
+  // The synchronization should fail and the service state should be
+  // AUTHENTICATION_REQUIRED.
+
+  WaitUntilIdle();
+  EXPECT_EQ(REMOTE_SERVICE_AUTHENTICATION_REQUIRED,
+            sync_engine()->GetCurrentState());
+
+  sync_engine()->GoogleSigninSucceeded("test_account", "tester", "testing");
+  WaitUntilIdle();
+
+  bar_created.Reply("resume");
+
+  EXPECT_TRUE(catcher.GetNextResult());
+}
+
+}  // namespace sync_file_system