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// 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/device_settings_provider.h"
#include <string>
#include "base/bind.h"
#include "base/message_loop.h"
#include "base/values.h"
#include "chrome/browser/chromeos/cros/cros_library.h"
#include "chrome/browser/chromeos/cros_settings_names.h"
#include "chrome/browser/chromeos/login/mock_signed_settings_helper.h"
#include "chrome/browser/chromeos/login/mock_user_manager.h"
#include "chrome/browser/chromeos/login/ownership_service.h"
#include "chrome/browser/policy/proto/chrome_device_policy.pb.h"
#include "chrome/browser/policy/proto/device_management_backend.pb.h"
#include "chrome/test/base/testing_browser_process.h"
#include "chrome/test/base/testing_pref_service.h"
#include "content/public/test/test_browser_thread.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace em = enterprise_management;
namespace chromeos {
using ::testing::_;
using ::testing::AnyNumber;
using ::testing::Mock;
using ::testing::Return;
using ::testing::SaveArg;
class DeviceSettingsProviderTest: public testing::Test {
public:
MOCK_METHOD1(SettingChanged, void(const std::string&));
MOCK_METHOD0(GetTrustedCallback, void(void));
protected:
DeviceSettingsProviderTest()
: message_loop_(MessageLoop::TYPE_UI),
ui_thread_(content::BrowserThread::UI, &message_loop_),
file_thread_(content::BrowserThread::FILE, &message_loop_),
local_state_(static_cast<TestingBrowserProcess*>(g_browser_process)) {
}
virtual ~DeviceSettingsProviderTest() {
}
virtual void SetUp() OVERRIDE {
PrepareEmptyPolicy();
EXPECT_CALL(*this, SettingChanged(_))
.Times(AnyNumber());
EXPECT_CALL(signed_settings_helper_, StartRetrievePolicyOp(_))
.Times(AnyNumber())
.WillRepeatedly(
MockSignedSettingsHelperRetrievePolicy(SignedSettings::SUCCESS,
policy_blob_));
EXPECT_CALL(signed_settings_helper_, StartStorePolicyOp(_,_))
.Times(AnyNumber())
.WillRepeatedly(DoAll(
SaveArg<0>(&policy_blob_),
MockSignedSettingsHelperStorePolicy(SignedSettings::SUCCESS)));
EXPECT_CALL(*mock_user_manager_.user_manager(), IsCurrentUserOwner())
.Times(AnyNumber())
.WillRepeatedly(Return(true));
provider_.reset(
new DeviceSettingsProvider(
base::Bind(&DeviceSettingsProviderTest::SettingChanged,
base::Unretained(this)),
&signed_settings_helper_));
provider_->set_ownership_status(OwnershipService::OWNERSHIP_TAKEN);
provider_->Reload();
}
void PrepareEmptyPolicy() {
em::PolicyData policy;
em::ChromeDeviceSettingsProto pol;
// Set metrics to disabled to prevent us from running into code that is not
// mocked.
pol.mutable_metrics_enabled()->set_metrics_enabled(false);
policy.set_policy_type(chromeos::kDevicePolicyType);
policy.set_username("me@owner");
policy.set_policy_value(pol.SerializeAsString());
// Wipe the signed settings store.
policy_blob_.set_policy_data(policy.SerializeAsString());
policy_blob_.set_policy_data_signature("false");
}
em::PolicyFetchResponse policy_blob_;
scoped_ptr<DeviceSettingsProvider> provider_;
MessageLoop message_loop_;
content::TestBrowserThread ui_thread_;
content::TestBrowserThread file_thread_;
ScopedTestingLocalState local_state_;
MockSignedSettingsHelper signed_settings_helper_;
ScopedStubCrosEnabler stub_cros_enabler_;
ScopedMockUserManagerEnabler mock_user_manager_;
};
TEST_F(DeviceSettingsProviderTest, InitializationTest) {
// Verify that the policy blob has been correctly parsed and trusted.
EXPECT_EQ(CrosSettingsProvider::TRUSTED,
provider_->PrepareTrustedValues(
base::Bind(&DeviceSettingsProviderTest::GetTrustedCallback,
base::Unretained(this))));
// The trusted flag should be established already prior to calling GetTrusted.
message_loop_.RunAllPending();
const base::Value* value = provider_->Get(kStatsReportingPref);
ASSERT_TRUE(value);
bool bool_value;
EXPECT_TRUE(value->GetAsBoolean(&bool_value));
EXPECT_FALSE(bool_value);
}
TEST_F(DeviceSettingsProviderTest, InitializationTestUnowned) {
// No calls to the SignedSettingsHelper should occur in this case!
Mock::VerifyAndClear(&signed_settings_helper_);
provider_->set_ownership_status(OwnershipService::OWNERSHIP_NONE);
provider_->Reload();
// Verify that the cache policy blob is "trusted".
EXPECT_EQ(CrosSettingsProvider::TRUSTED,
provider_->PrepareTrustedValues(
base::Bind(&DeviceSettingsProviderTest::GetTrustedCallback,
base::Unretained(this))));
// The trusted flag should be established already prior to calling GetTrusted.
message_loop_.RunAllPending();
const base::Value* value = provider_->Get(kReleaseChannel);
ASSERT_TRUE(value);
std::string string_value;
EXPECT_TRUE(value->GetAsString(&string_value));
EXPECT_TRUE(string_value.empty());
// Sets should succeed though and be readable from the cache.
base::StringValue new_value("stable-channel");
provider_->Set(kReleaseChannel, new_value);
// Do one more reload here to make sure we don't flip randomly between stores.
provider_->Reload();
// Verify the change has not been applied.
const base::Value* saved_value = provider_->Get(kReleaseChannel);
ASSERT_TRUE(saved_value);
EXPECT_TRUE(saved_value->GetAsString(&string_value));
ASSERT_EQ("stable-channel", string_value);
}
TEST_F(DeviceSettingsProviderTest, SetPrefFailed) {
// If we are not the owner no sets should work.
EXPECT_CALL(*mock_user_manager_.user_manager(), IsCurrentUserOwner())
.WillOnce(Return(false));
base::FundamentalValue value(true);
provider_->Set(kStatsReportingPref, value);
// Verify the change has not been applied.
const base::Value* saved_value = provider_->Get(kStatsReportingPref);
ASSERT_TRUE(saved_value);
bool bool_value;
EXPECT_TRUE(saved_value->GetAsBoolean(&bool_value));
EXPECT_FALSE(bool_value);
}
TEST_F(DeviceSettingsProviderTest, SetPrefSucceed) {
base::FundamentalValue value(true);
provider_->Set(kStatsReportingPref, value);
// Verify the change has not been applied.
const base::Value* saved_value = provider_->Get(kStatsReportingPref);
ASSERT_TRUE(saved_value);
bool bool_value;
EXPECT_TRUE(saved_value->GetAsBoolean(&bool_value));
EXPECT_TRUE(bool_value);
}
TEST_F(DeviceSettingsProviderTest, PolicyRetrievalFailedBadSingature) {
// No calls to the SignedSettingsHelper should occur in this case!
Mock::VerifyAndClear(&signed_settings_helper_);
EXPECT_CALL(signed_settings_helper_, StartRetrievePolicyOp(_))
.Times(AnyNumber())
.WillRepeatedly(
MockSignedSettingsHelperRetrievePolicy(
SignedSettings::BAD_SIGNATURE,
policy_blob_));
provider_->Reload();
// Verify that the cache policy blob is not "trusted".
EXPECT_EQ(CrosSettingsProvider::PERMANENTLY_UNTRUSTED,
provider_->PrepareTrustedValues(
base::Bind(&DeviceSettingsProviderTest::GetTrustedCallback,
base::Unretained(this))));
// The trusted flag should be established already prior to calling GetTrusted.
message_loop_.RunAllPending();
}
TEST_F(DeviceSettingsProviderTest, PolicyRetrievalOperationFailedPermanently) {
// No calls to the SignedSettingsHelper should occur in this case!
Mock::VerifyAndClear(&signed_settings_helper_);
EXPECT_CALL(signed_settings_helper_, StartRetrievePolicyOp(_))
.Times(AnyNumber())
.WillRepeatedly(
MockSignedSettingsHelperRetrievePolicy(
SignedSettings::OPERATION_FAILED,
policy_blob_));
provider_->Reload();
// Verify that the cache policy blob is not "trusted".
EXPECT_EQ(CrosSettingsProvider::PERMANENTLY_UNTRUSTED,
provider_->PrepareTrustedValues(
base::Bind(&DeviceSettingsProviderTest::GetTrustedCallback,
base::Unretained(this))));
// The trusted flag should be established already prior to calling GetTrusted.
message_loop_.RunAllPending();
}
TEST_F(DeviceSettingsProviderTest, PolicyRetrievalOperationFailedOnce) {
// No calls to the SignedSettingsHelper should occur in this case!
Mock::VerifyAndClear(&signed_settings_helper_);
EXPECT_CALL(signed_settings_helper_, StartRetrievePolicyOp(_))
.WillOnce(
MockSignedSettingsHelperRetrievePolicy(
SignedSettings::OPERATION_FAILED,
policy_blob_))
.WillRepeatedly(
MockSignedSettingsHelperRetrievePolicy(
SignedSettings::SUCCESS,
policy_blob_));
// Should be trusted after an automatic reload.
provider_->Reload();
// Verify that the cache policy blob is not "trusted".
EXPECT_EQ(CrosSettingsProvider::TRUSTED,
provider_->PrepareTrustedValues(
base::Bind(&DeviceSettingsProviderTest::GetTrustedCallback,
base::Unretained(this))));
// The trusted flag should be established already prior to calling GetTrusted.
message_loop_.RunAllPending();
}
} // namespace chromeos
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