File: sync_engine_unittest.cc

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// 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/sync_file_system/drive_backend/sync_engine.h"

#include "base/files/scoped_temp_dir.h"
#include "base/macros.h"
#include "base/run_loop.h"
#include "base/thread_task_runner_handle.h"
#include "chrome/browser/drive/drive_uploader.h"
#include "chrome/browser/drive/fake_drive_service.h"
#include "chrome/browser/sync_file_system/drive_backend/callback_helper.h"
#include "chrome/browser/sync_file_system/drive_backend/fake_sync_worker.h"
#include "chrome/browser/sync_file_system/drive_backend/sync_worker_interface.h"
#include "chrome/browser/sync_file_system/remote_file_sync_service.h"
#include "chrome/browser/sync_file_system/sync_file_system_test_util.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/test/test_browser_thread_bundle.h"
#include "net/url_request/url_request_context_getter.h"
#include "testing/gtest/include/gtest/gtest.h"

namespace sync_file_system {
namespace drive_backend {

class SyncEngineTest : public testing::Test,
                       public base::SupportsWeakPtr<SyncEngineTest> {
 public:
  typedef RemoteFileSyncService::OriginStatusMap RemoteOriginStatusMap;

  SyncEngineTest() {}
  ~SyncEngineTest() override {}

  void SetUp() override {
    ASSERT_TRUE(profile_dir_.CreateUniqueTempDir());

    scoped_ptr<drive::DriveServiceInterface>
        fake_drive_service(new drive::FakeDriveService);

    worker_pool_ = new base::SequencedWorkerPool(1, "Worker");
    scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner =
        base::ThreadTaskRunnerHandle::Get();
    worker_task_runner_ =
        worker_pool_->GetSequencedTaskRunnerWithShutdownBehavior(
            worker_pool_->GetSequenceToken(),
            base::SequencedWorkerPool::SKIP_ON_SHUTDOWN);

    sync_engine_.reset(new drive_backend::SyncEngine(
        ui_task_runner.get(),
        worker_task_runner_.get(),
        nullptr /* drive_task_runner */,
        profile_dir_.path(),
        nullptr /* task_logger */,
        nullptr /* notification_manager */,
        nullptr /* extension_service */,
        nullptr /* signin_manager */,
        nullptr /* token_service */,
        nullptr /* request_context */,
        nullptr /* drive_service_factory */,
        nullptr /* in_memory_env */));

    sync_engine_->InitializeForTesting(
        fake_drive_service.Pass(),
        nullptr,  // drive_uploader
        scoped_ptr<SyncWorkerInterface>(new FakeSyncWorker));
    sync_engine_->SetSyncEnabled(true);
    sync_engine_->OnReadyToSendRequests();

    WaitForWorkerTaskRunner();
  }

  void TearDown() override {
    sync_engine_.reset();
    WaitForWorkerTaskRunner();
    worker_pool_->Shutdown();

    worker_task_runner_ = nullptr;
    worker_pool_ = nullptr;

    base::RunLoop().RunUntilIdle();
  }

  bool FindOriginStatus(const GURL& origin, std::string* status) {
    scoped_ptr<RemoteOriginStatusMap> status_map;
    sync_engine()->GetOriginStatusMap(CreateResultReceiver(&status_map));
    WaitForWorkerTaskRunner();

    RemoteOriginStatusMap::const_iterator itr = status_map->find(origin);
    if (itr == status_map->end())
      return false;

    *status = itr->second;
    // If an origin is uninstalled, it should not be found actually.
    if (*status == "Uninstalled")
      return false;
    return true;
  }

  void PostUpdateServiceState(RemoteServiceState state,
                              const std::string& description) {
    worker_task_runner_->PostTask(
        FROM_HERE,
        base::Bind(&FakeSyncWorker::UpdateServiceState,
                   base::Unretained(fake_sync_worker()),
                   state,
                   description));
    WaitForWorkerTaskRunner();
  }

  void WaitForWorkerTaskRunner() {
    DCHECK(worker_task_runner_.get());

    base::RunLoop run_loop;
    worker_task_runner_->PostTask(
        FROM_HERE,
        RelayCallbackToCurrentThread(
            FROM_HERE, run_loop.QuitClosure()));
    run_loop.Run();
  }

  // Accessors
  SyncEngine* sync_engine() { return sync_engine_.get(); }

  FakeSyncWorker* fake_sync_worker() {
    return static_cast<FakeSyncWorker*>(sync_engine_->sync_worker_.get());
  }

 private:
  content::TestBrowserThreadBundle browser_threads_;
  base::ScopedTempDir profile_dir_;
  scoped_ptr<drive_backend::SyncEngine> sync_engine_;

  scoped_refptr<base::SequencedWorkerPool> worker_pool_;
  scoped_refptr<base::SequencedTaskRunner> worker_task_runner_;

  DISALLOW_COPY_AND_ASSIGN(SyncEngineTest);
};

TEST_F(SyncEngineTest, OriginTest) {
  GURL origin("chrome-extension://app_0");

  SyncStatusCode sync_status;
  std::string status;

  sync_engine()->RegisterOrigin(
      origin,
      CreateResultReceiver(&sync_status));
  WaitForWorkerTaskRunner();
  EXPECT_EQ(SYNC_STATUS_OK, sync_status);
  ASSERT_TRUE(FindOriginStatus(origin, &status));
  EXPECT_EQ("Registered", status);

  sync_engine()->DisableOrigin(
      origin,
      CreateResultReceiver(&sync_status));
  WaitForWorkerTaskRunner();
  EXPECT_EQ(SYNC_STATUS_OK, sync_status);
  ASSERT_TRUE(FindOriginStatus(origin, &status));
  EXPECT_EQ("Disabled", status);

  sync_engine()->EnableOrigin(
      origin,
      CreateResultReceiver(&sync_status));
  WaitForWorkerTaskRunner();
  EXPECT_EQ(SYNC_STATUS_OK, sync_status);
  ASSERT_TRUE(FindOriginStatus(origin, &status));
  EXPECT_EQ("Enabled", status);

  sync_engine()->UninstallOrigin(
      origin,
      RemoteFileSyncService::UNINSTALL_AND_KEEP_REMOTE,
      CreateResultReceiver(&sync_status));
  WaitForWorkerTaskRunner();
  EXPECT_EQ(SYNC_STATUS_OK, sync_status);
  EXPECT_FALSE(FindOriginStatus(origin, &status));
  EXPECT_EQ("Uninstalled", status);
}

TEST_F(SyncEngineTest, GetOriginStatusMap) {
  SyncStatusCode sync_status = SYNC_STATUS_UNKNOWN;

  sync_engine()->RegisterOrigin(GURL("chrome-extension://app_0"),
                                CreateResultReceiver(&sync_status));
  WaitForWorkerTaskRunner();
  EXPECT_EQ(SYNC_STATUS_OK, sync_status);

  sync_engine()->RegisterOrigin(GURL("chrome-extension://app_1"),
                                CreateResultReceiver(&sync_status));
  WaitForWorkerTaskRunner();
  EXPECT_EQ(SYNC_STATUS_OK, sync_status);

  scoped_ptr<RemoteOriginStatusMap> status_map;
  sync_engine()->GetOriginStatusMap(CreateResultReceiver(&status_map));
  WaitForWorkerTaskRunner();
  ASSERT_EQ(2u, status_map->size());
  EXPECT_EQ("Registered", (*status_map)[GURL("chrome-extension://app_0")]);
  EXPECT_EQ("Registered", (*status_map)[GURL("chrome-extension://app_1")]);

  sync_engine()->DisableOrigin(GURL("chrome-extension://app_1"),
                               CreateResultReceiver(&sync_status));
  WaitForWorkerTaskRunner();
  EXPECT_EQ(SYNC_STATUS_OK, sync_status);

  sync_engine()->GetOriginStatusMap(CreateResultReceiver(&status_map));
  WaitForWorkerTaskRunner();
  ASSERT_EQ(2u, status_map->size());
  EXPECT_EQ("Registered", (*status_map)[GURL("chrome-extension://app_0")]);
  EXPECT_EQ("Disabled", (*status_map)[GURL("chrome-extension://app_1")]);
}

TEST_F(SyncEngineTest, UpdateServiceState) {
  struct {
    RemoteServiceState state;
    const char* description;
  } test_data[] = {
    {REMOTE_SERVICE_OK, "OK"},
    {REMOTE_SERVICE_TEMPORARY_UNAVAILABLE, "TEMPORARY_UNAVAILABLE"},
    {REMOTE_SERVICE_AUTHENTICATION_REQUIRED, "AUTHENTICATION_REQUIRED"},
    {REMOTE_SERVICE_DISABLED, "DISABLED"},
  };

  for (size_t i = 0; i < arraysize(test_data); ++i) {
    PostUpdateServiceState(test_data[i].state, test_data[i].description);
    EXPECT_EQ(test_data[i].state, sync_engine()->GetCurrentState())
        << "Expected state: REMOTE_SERVICE_" << test_data[i].description;
  }
}

TEST_F(SyncEngineTest, ProcessRemoteChange) {
  SyncStatusCode sync_status;
  storage::FileSystemURL url;
  sync_engine()->ProcessRemoteChange(CreateResultReceiver(&sync_status, &url));
  WaitForWorkerTaskRunner();
  EXPECT_EQ(SYNC_STATUS_OK, sync_status);
}

}  // namespace drive_backend
}  // namespace sync_file_system