chrome/browser/chromeos/policy/device_cloud_policy_manager_chromeos_unittest.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 "chrome/browser/chromeos/policy/device_cloud_policy_manager_chromeos.h"

#include <algorithm>

#include "base/basictypes.h"
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "base/compiler_specific.h"
#include "base/memory/scoped_ptr.h"
#include "base/message_loop/message_loop.h"
#include "base/prefs/pref_registry_simple.h"
#include "base/prefs/testing_pref_service.h"
#include "base/run_loop.h"
#include "chrome/browser/chromeos/policy/device_cloud_policy_initializer.h"
#include "chrome/browser/chromeos/policy/device_cloud_policy_store_chromeos.h"
#include "chrome/browser/chromeos/policy/enterprise_install_attributes.h"
#include "chrome/browser/chromeos/policy/proto/chrome_device_policy.pb.h"
#include "chrome/browser/chromeos/settings/cros_settings.h"
#include "chrome/browser/chromeos/settings/device_oauth2_token_service.h"
#include "chrome/browser/chromeos/settings/device_oauth2_token_service_factory.h"
#include "chrome/browser/chromeos/settings/device_settings_service.h"
#include "chrome/browser/chromeos/settings/device_settings_test_helper.h"
#include "chrome/browser/prefs/browser_prefs.h"
#include "chrome/test/base/testing_browser_process.h"
#include "chromeos/cryptohome/system_salt_getter.h"
#include "chromeos/dbus/dbus_client_implementation_type.h"
#include "chromeos/dbus/dbus_thread_manager.h"
#include "chromeos/dbus/fake_cryptohome_client.h"
#include "chromeos/dbus/fake_session_manager_client.h"
#include "chromeos/system/fake_statistics_provider.h"
#include "chromeos/system/statistics_provider.h"
#include "components/policy/core/common/cloud/cloud_policy_client.h"
#include "components/policy/core/common/cloud/mock_device_management_service.h"
#include "components/policy/core/common/external_data_fetcher.h"
#include "components/policy/core/common/schema_registry.h"
#include "google_apis/gaia/gaia_oauth_client.h"
#include "net/url_request/test_url_fetcher_factory.h"
#include "net/url_request/url_request_test_util.h"
#include "policy/policy_constants.h"
#include "policy/proto/device_management_backend.pb.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"

using testing::AnyNumber;
using testing::AtMost;
using testing::DoAll;
using testing::Mock;
using testing::Return;
using testing::SaveArg;
using testing::SetArgumentPointee;
using testing::_;

namespace em = enterprise_management;

namespace policy {
namespace {

void CopyLockResult(base::RunLoop* loop,
                    EnterpriseInstallAttributes::LockResult* out,
                    EnterpriseInstallAttributes::LockResult result) {
  *out = result;
  loop->Quit();
}

class DeviceCloudPolicyManagerChromeOSTest
    : public chromeos::DeviceSettingsTestBase {
 protected:
  DeviceCloudPolicyManagerChromeOSTest()
      : fake_cryptohome_client_(new chromeos::FakeCryptohomeClient()),
        state_keys_broker_(&fake_session_manager_client_,
                           base::MessageLoopProxy::current()),
        store_(NULL) {
    fake_statistics_provider_.SetMachineStatistic("serial_numer", "test_sn");
    std::vector<std::string> state_keys;
    state_keys.push_back("1");
    state_keys.push_back("2");
    state_keys.push_back("3");
    fake_session_manager_client_.set_server_backed_state_keys(state_keys);
  }

  virtual ~DeviceCloudPolicyManagerChromeOSTest() {
    chromeos::system::StatisticsProvider::SetTestProvider(NULL);
  }

  virtual void SetUp() override {
    DeviceSettingsTestBase::SetUp();
    dbus_setter_->SetCryptohomeClient(
        scoped_ptr<chromeos::CryptohomeClient>(fake_cryptohome_client_));

    install_attributes_.reset(
        new EnterpriseInstallAttributes(fake_cryptohome_client_));
    store_ =
        new DeviceCloudPolicyStoreChromeOS(&device_settings_service_,
                                           install_attributes_.get(),
                                           base::MessageLoopProxy::current());
    manager_.reset(new DeviceCloudPolicyManagerChromeOS(
        make_scoped_ptr(store_),
        base::MessageLoopProxy::current(),
        &state_keys_broker_));

    chrome::RegisterLocalState(local_state_.registry());
    manager_->Init(&schema_registry_);

    // DeviceOAuth2TokenService uses the system request context to fetch
    // OAuth tokens, then writes the token to local state, encrypting it
    // first with methods in CryptohomeTokenEncryptor.
    request_context_getter_ = new net::TestURLRequestContextGetter(
        base::MessageLoopProxy::current());
    TestingBrowserProcess::GetGlobal()->SetSystemRequestContext(
        request_context_getter_.get());
    TestingBrowserProcess::GetGlobal()->SetLocalState(&local_state_);
    // SystemSaltGetter is used in DeviceOAuth2TokenService.
    chromeos::SystemSaltGetter::Initialize();
    chromeos::DeviceOAuth2TokenServiceFactory::Initialize();
    url_fetcher_response_code_ = 200;
    url_fetcher_response_string_ = "{\"access_token\":\"accessToken4Test\","
                                   "\"expires_in\":1234,"
                                   "\"refresh_token\":\"refreshToken4Test\"}";
  }

  virtual void TearDown() override {
    manager_->Shutdown();
    if (initializer_)
      initializer_->Shutdown();
    DeviceSettingsTestBase::TearDown();

    chromeos::DeviceOAuth2TokenServiceFactory::Shutdown();
    chromeos::SystemSaltGetter::Shutdown();
    TestingBrowserProcess::GetGlobal()->SetLocalState(NULL);
  }

  void LockDevice() {
    base::RunLoop loop;
    EnterpriseInstallAttributes::LockResult result;
    install_attributes_->LockDevice(
        PolicyBuilder::kFakeUsername,
        DEVICE_MODE_ENTERPRISE,
        PolicyBuilder::kFakeDeviceId,
        base::Bind(&CopyLockResult, &loop, &result));
    loop.Run();
    ASSERT_EQ(EnterpriseInstallAttributes::LOCK_SUCCESS, result);
  }

  void ConnectManager() {
    manager_->Initialize(&local_state_);
    initializer_.reset(new DeviceCloudPolicyInitializer(
        &local_state_,
        &device_management_service_,
        &consumer_device_management_service_,
        base::MessageLoopProxy::current(),
        install_attributes_.get(),
        &state_keys_broker_,
        store_,
        manager_.get(),
        &device_settings_service_,
        base::Bind(&base::DoNothing)));
    initializer_->Init();
  }

  void VerifyPolicyPopulated() {
    PolicyBundle bundle;
    bundle.Get(PolicyNamespace(POLICY_DOMAIN_CHROME, std::string()))
        .Set(key::kDeviceMetricsReportingEnabled,
             POLICY_LEVEL_MANDATORY,
             POLICY_SCOPE_MACHINE,
             new base::FundamentalValue(false),
             NULL);
    EXPECT_TRUE(manager_->policies().Equals(bundle));
  }

  scoped_ptr<EnterpriseInstallAttributes> install_attributes_;

  scoped_refptr<net::URLRequestContextGetter> request_context_getter_;
  net::TestURLFetcherFactory url_fetcher_factory_;
  int url_fetcher_response_code_;
  string url_fetcher_response_string_;
  TestingPrefServiceSimple local_state_;
  MockDeviceManagementService device_management_service_;
  MockDeviceManagementService consumer_device_management_service_;
  chromeos::ScopedTestDeviceSettingsService test_device_settings_service_;
  chromeos::ScopedTestCrosSettings test_cros_settings_;
  chromeos::system::ScopedFakeStatisticsProvider fake_statistics_provider_;
  chromeos::FakeSessionManagerClient fake_session_manager_client_;
  chromeos::FakeCryptohomeClient* fake_cryptohome_client_;
  ServerBackedStateKeysBroker state_keys_broker_;

  DeviceCloudPolicyStoreChromeOS* store_;
  SchemaRegistry schema_registry_;
  scoped_ptr<DeviceCloudPolicyManagerChromeOS> manager_;
  scoped_ptr<DeviceCloudPolicyInitializer> initializer_;

 private:
  DISALLOW_COPY_AND_ASSIGN(DeviceCloudPolicyManagerChromeOSTest);
};

TEST_F(DeviceCloudPolicyManagerChromeOSTest, FreshDevice) {
  owner_key_util_->Clear();
  FlushDeviceSettings();
  EXPECT_TRUE(manager_->IsInitializationComplete(POLICY_DOMAIN_CHROME));

  manager_->Initialize(&local_state_);

  PolicyBundle bundle;
  EXPECT_TRUE(manager_->policies().Equals(bundle));
}

TEST_F(DeviceCloudPolicyManagerChromeOSTest, EnrolledDevice) {
  LockDevice();
  FlushDeviceSettings();
  EXPECT_EQ(CloudPolicyStore::STATUS_OK, store_->status());
  EXPECT_TRUE(manager_->IsInitializationComplete(POLICY_DOMAIN_CHROME));
  VerifyPolicyPopulated();

  ConnectManager();
  VerifyPolicyPopulated();

  manager_->Shutdown();
  VerifyPolicyPopulated();

  EXPECT_EQ(store_->policy()->service_account_identity(),
            PolicyBuilder::kFakeServiceAccountIdentity);
}

TEST_F(DeviceCloudPolicyManagerChromeOSTest, UnmanagedDevice) {
  device_policy_.policy_data().set_state(em::PolicyData::UNMANAGED);
  device_policy_.Build();
  device_settings_test_helper_.set_policy_blob(device_policy_.GetBlob());

  LockDevice();
  FlushDeviceSettings();
  EXPECT_TRUE(manager_->IsInitializationComplete(POLICY_DOMAIN_CHROME));
  EXPECT_FALSE(store_->is_managed());

  // Policy settings should be ignored for UNMANAGED devices.
  PolicyBundle bundle;
  EXPECT_TRUE(manager_->policies().Equals(bundle));

  // Trigger a policy refresh.
  MockDeviceManagementJob* policy_fetch_job = NULL;
  EXPECT_CALL(device_management_service_,
              CreateJob(DeviceManagementRequestJob::TYPE_POLICY_FETCH, _))
      .Times(AtMost(1))
      .WillOnce(device_management_service_.CreateAsyncJob(&policy_fetch_job));
  EXPECT_CALL(device_management_service_, StartJob(_, _, _, _, _, _, _))
      .Times(AtMost(1));
  ConnectManager();
  base::RunLoop().RunUntilIdle();
  Mock::VerifyAndClearExpectations(&device_management_service_);
  ASSERT_TRUE(policy_fetch_job);

  // Switch back to ACTIVE, service the policy fetch and let it propagate.
  device_policy_.policy_data().set_state(em::PolicyData::ACTIVE);
  device_policy_.Build();
  device_settings_test_helper_.set_policy_blob(device_policy_.GetBlob());
  em::DeviceManagementResponse policy_fetch_response;
  policy_fetch_response.mutable_policy_response()->add_response()->CopyFrom(
      device_policy_.policy());
  policy_fetch_job->SendResponse(DM_STATUS_SUCCESS, policy_fetch_response);
  FlushDeviceSettings();

  // Policy state should now be active and the policy map should be populated.
  EXPECT_TRUE(store_->is_managed());
  VerifyPolicyPopulated();
}

TEST_F(DeviceCloudPolicyManagerChromeOSTest, ConsumerDevice) {
  FlushDeviceSettings();
  EXPECT_EQ(CloudPolicyStore::STATUS_BAD_STATE, store_->status());
  EXPECT_TRUE(manager_->IsInitializationComplete(POLICY_DOMAIN_CHROME));

  PolicyBundle bundle;
  EXPECT_TRUE(manager_->policies().Equals(bundle));

  ConnectManager();
  EXPECT_TRUE(manager_->policies().Equals(bundle));

  manager_->Shutdown();
  EXPECT_TRUE(manager_->policies().Equals(bundle));
}

class DeviceCloudPolicyManagerChromeOSEnrollmentTest
    : public DeviceCloudPolicyManagerChromeOSTest {
 public:
  void Done(EnrollmentStatus status) {
    status_ = status;
    done_ = true;
  }

 protected:
  DeviceCloudPolicyManagerChromeOSEnrollmentTest()
      : is_auto_enrollment_(false),
        management_mode_(em::PolicyData::ENTERPRISE_MANAGED),
        register_status_(DM_STATUS_SUCCESS),
        policy_fetch_status_(DM_STATUS_SUCCESS),
        robot_auth_fetch_status_(DM_STATUS_SUCCESS),
        store_result_(true),
        status_(EnrollmentStatus::ForStatus(EnrollmentStatus::STATUS_SUCCESS)),
        done_(false) {}

  virtual void SetUp() override {
    DeviceCloudPolicyManagerChromeOSTest::SetUp();

    // Set up test data.
    device_policy_.SetDefaultNewSigningKey();
    device_policy_.policy_data().set_timestamp(
        (base::Time::NowFromSystemTime() -
         base::Time::UnixEpoch()).InMilliseconds());
    device_policy_.Build();

    register_response_.mutable_register_response()->set_device_management_token(
        PolicyBuilder::kFakeToken);
    policy_fetch_response_.mutable_policy_response()->add_response()->CopyFrom(
        device_policy_.policy());
    robot_auth_fetch_response_.mutable_service_api_access_response()
        ->set_auth_code("auth_code_for_test");
    loaded_blob_ = device_policy_.GetBlob();

    // Initialize the manager.
    FlushDeviceSettings();
    EXPECT_EQ(CloudPolicyStore::STATUS_BAD_STATE, store_->status());
    EXPECT_TRUE(manager_->IsInitializationComplete(POLICY_DOMAIN_CHROME));

    PolicyBundle bundle;
    EXPECT_TRUE(manager_->policies().Equals(bundle));

    ConnectManager();
  }

  void ExpectFailedEnrollment(EnrollmentStatus::Status status) {
    EXPECT_EQ(status, status_.status());
    EXPECT_FALSE(store_->is_managed());
    PolicyBundle empty_bundle;
    EXPECT_TRUE(manager_->policies().Equals(empty_bundle));
  }

  void ExpectSuccessfulEnrollment() {
    EXPECT_EQ(EnrollmentStatus::STATUS_SUCCESS, status_.status());
    ASSERT_TRUE(manager_->core()->client());
    EXPECT_TRUE(manager_->core()->client()->is_registered());

    if (management_mode_ != em::PolicyData::CONSUMER_MANAGED) {
      EXPECT_EQ(DEVICE_MODE_ENTERPRISE, install_attributes_->GetMode());
      EXPECT_TRUE(store_->has_policy());
      EXPECT_TRUE(store_->is_managed());
      VerifyPolicyPopulated();
    }
  }

  void RunTest() {
    // Trigger enrollment.
    MockDeviceManagementJob* register_job = NULL;
    EXPECT_CALL(device_management_service_,
                CreateJob(DeviceManagementRequestJob::TYPE_REGISTRATION, _))
        .Times(AtMost(1))
        .WillOnce(device_management_service_.CreateAsyncJob(&register_job));
    EXPECT_CALL(device_management_service_, StartJob(_, _, _, _, _, _, _))
        .Times(AtMost(1))
        .WillOnce(DoAll(SaveArg<5>(&client_id_),
                        SaveArg<6>(&register_request_)));
    DeviceCloudPolicyInitializer::AllowedDeviceModes modes;
    modes[DEVICE_MODE_ENTERPRISE] = true;
    initializer_->StartEnrollment(
        management_mode_,
        &device_management_service_,
        "auth token", is_auto_enrollment_, modes,
        base::Bind(&DeviceCloudPolicyManagerChromeOSEnrollmentTest::Done,
                   base::Unretained(this)));
    base::RunLoop().RunUntilIdle();
    Mock::VerifyAndClearExpectations(&device_management_service_);

    if (done_)
      return;

    // Process registration.
    ASSERT_TRUE(register_job);
    MockDeviceManagementJob* policy_fetch_job = NULL;
    EXPECT_CALL(device_management_service_,
                CreateJob(DeviceManagementRequestJob::TYPE_POLICY_FETCH, _))
        .Times(AtMost(1))
        .WillOnce(device_management_service_.CreateAsyncJob(&policy_fetch_job));
    EXPECT_CALL(device_management_service_, StartJob(_, _, _, _, _, _, _))
        .Times(AtMost(1));
    register_job->SendResponse(register_status_, register_response_);
    Mock::VerifyAndClearExpectations(&device_management_service_);

    if (done_)
      return;

    // Process policy fetch.
    ASSERT_TRUE(policy_fetch_job);
    policy_fetch_job->SendResponse(policy_fetch_status_,
                                   policy_fetch_response_);

    if (done_)
      return;

    // Process verification.
    MockDeviceManagementJob* robot_auth_fetch_job = NULL;
    EXPECT_CALL(device_management_service_, CreateJob(
        DeviceManagementRequestJob::TYPE_API_AUTH_CODE_FETCH, _))
        .Times(AtMost(1))
        .WillOnce(device_management_service_.CreateAsyncJob(
            &robot_auth_fetch_job));
    EXPECT_CALL(device_management_service_, StartJob(_, _, _, _, _, _, _))
        .Times(AtMost(1));
    base::RunLoop().RunUntilIdle();
    Mock::VerifyAndClearExpectations(&device_management_service_);

    if (done_)
      return;

    // Process robot auth token fetch.
    ASSERT_TRUE(robot_auth_fetch_job);
    robot_auth_fetch_job->SendResponse(robot_auth_fetch_status_,
                                       robot_auth_fetch_response_);
    Mock::VerifyAndClearExpectations(&device_management_service_);

    if (done_)
      return;

    // Process robot refresh token fetch if the auth code fetch succeeded.
    // DeviceCloudPolicyInitializer holds an EnrollmentHandlerChromeOS which
    // holds a GaiaOAuthClient that fetches the refresh token during enrollment.
    // We return a successful OAuth response via a TestURLFetcher to trigger the
    // happy path for these classes so that enrollment can continue.
    if (robot_auth_fetch_status_ == DM_STATUS_SUCCESS) {
      net::TestURLFetcher* url_fetcher = url_fetcher_factory_.GetFetcherByID(
          gaia::GaiaOAuthClient::kUrlFetcherId);
      ASSERT_TRUE(url_fetcher);
      url_fetcher->SetMaxRetriesOn5xx(0);
      url_fetcher->set_status(net::URLRequestStatus());
      url_fetcher->set_response_code(url_fetcher_response_code_);
      url_fetcher->SetResponseString(url_fetcher_response_string_);
      url_fetcher->delegate()->OnURLFetchComplete(url_fetcher);
    }

    if (management_mode_ == em::PolicyData::CONSUMER_MANAGED)
      FlushDeviceSettings();
    else
      base::RunLoop().RunUntilIdle();

    if (done_)
      return;

    // Process robot refresh token store.
    chromeos::DeviceOAuth2TokenService* token_service =
        chromeos::DeviceOAuth2TokenServiceFactory::Get();
    EXPECT_TRUE(token_service->RefreshTokenIsAvailable(
        token_service->GetRobotAccountId()));

    // Process policy store.
    device_settings_test_helper_.set_store_result(store_result_);
    device_settings_test_helper_.FlushStore();
    EXPECT_EQ(device_policy_.GetBlob(),
              device_settings_test_helper_.policy_blob());

    if (done_)
      return;

    // Key installation and policy load.
    device_settings_test_helper_.set_policy_blob(loaded_blob_);
    owner_key_util_->SetPublicKeyFromPrivateKey(
        *device_policy_.GetNewSigningKey());
    ReloadDeviceSettings();
  }

  bool is_auto_enrollment_;
  em::PolicyData::ManagementMode management_mode_;

  DeviceManagementStatus register_status_;
  em::DeviceManagementResponse register_response_;

  DeviceManagementStatus policy_fetch_status_;
  em::DeviceManagementResponse policy_fetch_response_;

  DeviceManagementStatus robot_auth_fetch_status_;
  em::DeviceManagementResponse robot_auth_fetch_response_;

  bool store_result_;
  std::string loaded_blob_;

  em::DeviceManagementRequest register_request_;
  std::string client_id_;
  EnrollmentStatus status_;

  bool done_;

 private:
  DISALLOW_COPY_AND_ASSIGN(DeviceCloudPolicyManagerChromeOSEnrollmentTest);
};

TEST_F(DeviceCloudPolicyManagerChromeOSEnrollmentTest, Success) {
  RunTest();
  ExpectSuccessfulEnrollment();
}

TEST_F(DeviceCloudPolicyManagerChromeOSEnrollmentTest, AutoEnrollment) {
  is_auto_enrollment_ = true;
  RunTest();
  ExpectSuccessfulEnrollment();
  EXPECT_TRUE(register_request_.register_request().auto_enrolled());
}

TEST_F(DeviceCloudPolicyManagerChromeOSEnrollmentTest, Reenrollment) {
  LockDevice();

  RunTest();
  ExpectSuccessfulEnrollment();
  EXPECT_TRUE(register_request_.register_request().reregister());
  EXPECT_EQ(PolicyBuilder::kFakeDeviceId, client_id_);
}

TEST_F(DeviceCloudPolicyManagerChromeOSEnrollmentTest, RegistrationFailed) {
  register_status_ = DM_STATUS_REQUEST_FAILED;
  RunTest();
  ExpectFailedEnrollment(EnrollmentStatus::STATUS_REGISTRATION_FAILED);
  EXPECT_EQ(DM_STATUS_REQUEST_FAILED, status_.client_status());
}

TEST_F(DeviceCloudPolicyManagerChromeOSEnrollmentTest,
       RobotAuthCodeFetchFailed) {
  robot_auth_fetch_status_ = DM_STATUS_REQUEST_FAILED;
  RunTest();
  ExpectFailedEnrollment(EnrollmentStatus::STATUS_ROBOT_AUTH_FETCH_FAILED);
}

TEST_F(DeviceCloudPolicyManagerChromeOSEnrollmentTest,
       RobotRefreshTokenFetchResponseCodeFailed) {
  url_fetcher_response_code_ = 400;
  RunTest();
  ExpectFailedEnrollment(EnrollmentStatus::STATUS_ROBOT_REFRESH_FETCH_FAILED);
  EXPECT_EQ(400, status_.http_status());
}

TEST_F(DeviceCloudPolicyManagerChromeOSEnrollmentTest,
       RobotRefreshTokenFetchResponseStringFailed) {
  url_fetcher_response_string_ = "invalid response json";
  RunTest();
  ExpectFailedEnrollment(EnrollmentStatus::STATUS_ROBOT_REFRESH_FETCH_FAILED);
}

TEST_F(DeviceCloudPolicyManagerChromeOSEnrollmentTest,
       RobotRefreshEncryptionFailed) {
  // The encryption lib is a noop for tests, but empty results from encryption
  // is an error, so we simulate an encryption error by returning an empty
  // refresh token.
  url_fetcher_response_string_ = "{\"access_token\":\"accessToken4Test\","
                                 "\"expires_in\":1234,"
                                 "\"refresh_token\":\"\"}";
  RunTest();
  ExpectFailedEnrollment(EnrollmentStatus::STATUS_ROBOT_REFRESH_STORE_FAILED);
}

TEST_F(DeviceCloudPolicyManagerChromeOSEnrollmentTest, PolicyFetchFailed) {
  policy_fetch_status_ = DM_STATUS_REQUEST_FAILED;
  RunTest();
  ExpectFailedEnrollment(EnrollmentStatus::STATUS_POLICY_FETCH_FAILED);
  EXPECT_EQ(DM_STATUS_REQUEST_FAILED, status_.client_status());
}

TEST_F(DeviceCloudPolicyManagerChromeOSEnrollmentTest, ValidationFailed) {
  device_policy_.policy().set_policy_data_signature("bad");
  policy_fetch_response_.clear_policy_response();
  policy_fetch_response_.mutable_policy_response()->add_response()->CopyFrom(
      device_policy_.policy());
  RunTest();
  ExpectFailedEnrollment(EnrollmentStatus::STATUS_VALIDATION_FAILED);
  EXPECT_EQ(CloudPolicyValidatorBase::VALIDATION_BAD_INITIAL_SIGNATURE,
            status_.validation_status());
}

TEST_F(DeviceCloudPolicyManagerChromeOSEnrollmentTest, StoreError) {
  store_result_ = false;
  RunTest();
  ExpectFailedEnrollment(EnrollmentStatus::STATUS_STORE_ERROR);
  EXPECT_EQ(CloudPolicyStore::STATUS_STORE_ERROR,
            status_.store_status());
}

TEST_F(DeviceCloudPolicyManagerChromeOSEnrollmentTest, LoadError) {
  loaded_blob_.clear();
  RunTest();
  ExpectFailedEnrollment(EnrollmentStatus::STATUS_STORE_ERROR);
  EXPECT_EQ(CloudPolicyStore::STATUS_LOAD_ERROR,
            status_.store_status());
}

TEST_F(DeviceCloudPolicyManagerChromeOSEnrollmentTest,
       SuccessfulConsumerManagementEnrollment) {
  management_mode_ = em::PolicyData::CONSUMER_MANAGED;
  owner_key_util_->SetPrivateKey(device_policy_.GetSigningKey());
  InitOwner(device_policy_.policy_data().username(), true);
  FlushDeviceSettings();

  RunTest();
  ExpectSuccessfulEnrollment();
}

// A subclass that runs with a blank system salt.
class DeviceCloudPolicyManagerChromeOSEnrollmentBlankSystemSaltTest
    : public DeviceCloudPolicyManagerChromeOSEnrollmentTest {
 protected:
  DeviceCloudPolicyManagerChromeOSEnrollmentBlankSystemSaltTest() {
    // Set up a FakeCryptohomeClient with a blank system salt.
    fake_cryptohome_client_->set_system_salt(std::vector<uint8>());
  }
};

TEST_F(DeviceCloudPolicyManagerChromeOSEnrollmentBlankSystemSaltTest,
       RobotRefreshSaveFailed) {
  // Without the system salt, the robot token can't be stored.
  RunTest();
  ExpectFailedEnrollment(EnrollmentStatus::STATUS_ROBOT_REFRESH_STORE_FAILED);
}

}  // namespace
}  // namespace policy