// 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 "chrome/browser/policy/profile_policy_connector.h"

#include "base/message_loop/message_loop.h"
#include "base/run_loop.h"
#include "base/values.h"
#include "chrome/test/base/testing_browser_process.h"
#include "components/autofill/core/common/autofill_pref_names.h"
#include "components/policy/core/browser/browser_policy_connector.h"
#include "components/policy/core/common/cloud/cloud_policy_constants.h"
#include "components/policy/core/common/cloud/cloud_policy_manager.h"
#include "components/policy/core/common/cloud/mock_cloud_policy_store.h"
#include "components/policy/core/common/mock_configuration_policy_provider.h"
#include "components/policy/core/common/policy_bundle.h"
#include "components/policy/core/common/policy_map.h"
#include "components/policy/core/common/policy_service.h"
#include "components/policy/core/common/schema_registry.h"
#include "policy/policy_constants.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"

using testing::Return;
using testing::_;

namespace policy {

class ProfilePolicyConnectorTest : public testing::Test {
 protected:
  ProfilePolicyConnectorTest() {}
  ~ProfilePolicyConnectorTest() override {}

  void SetUp() override {
    // This must be set up before the TestingBrowserProcess is created.
    BrowserPolicyConnector::SetPolicyProviderForTesting(&mock_provider_);

    EXPECT_CALL(mock_provider_, IsInitializationComplete(_))
        .WillRepeatedly(Return(true));

    cloud_policy_store_.NotifyStoreLoaded();
    cloud_policy_manager_.reset(
        new CloudPolicyManager(std::string(),
                               std::string(),
                               &cloud_policy_store_,
                               loop_.message_loop_proxy(),
                               loop_.message_loop_proxy(),
                               loop_.message_loop_proxy()));
  }

  void TearDown() override {
    TestingBrowserProcess::GetGlobal()->SetBrowserPolicyConnector(nullptr);
    cloud_policy_manager_->Shutdown();
  }

  base::MessageLoop loop_;
  SchemaRegistry schema_registry_;
  MockConfigurationPolicyProvider mock_provider_;
  MockCloudPolicyStore cloud_policy_store_;
  scoped_ptr<CloudPolicyManager> cloud_policy_manager_;
};

TEST_F(ProfilePolicyConnectorTest, IsPolicyFromCloudPolicy) {
  ProfilePolicyConnector connector;
  connector.Init(false,
#if defined(OS_CHROMEOS)
                 nullptr,
#endif
                 &schema_registry_,
                 cloud_policy_manager_.get());

  // No policy is set initially.
  EXPECT_FALSE(
      connector.IsPolicyFromCloudPolicy(autofill::prefs::kAutofillEnabled));
  PolicyNamespace chrome_ns(POLICY_DOMAIN_CHROME, std::string());
  EXPECT_FALSE(connector.policy_service()->GetPolicies(chrome_ns).GetValue(
      key::kAutoFillEnabled));

  // Set the policy at the cloud provider.
  cloud_policy_store_.policy_map_.Set(key::kAutoFillEnabled,
                                      POLICY_LEVEL_MANDATORY,
                                      POLICY_SCOPE_USER,
                                      new base::FundamentalValue(false),
                                      nullptr);
  cloud_policy_store_.NotifyStoreLoaded();
  base::RunLoop().RunUntilIdle();
  EXPECT_TRUE(connector.IsPolicyFromCloudPolicy(key::kAutoFillEnabled));
  const base::Value* value =
      connector.policy_service()->GetPolicies(chrome_ns).GetValue(
          key::kAutoFillEnabled);
  ASSERT_TRUE(value);
  EXPECT_TRUE(base::FundamentalValue(false).Equals(value));

  // Now test with a higher-priority provider also setting the policy.
  PolicyMap map;
  map.Set(key::kAutoFillEnabled,
          POLICY_LEVEL_MANDATORY,
          POLICY_SCOPE_USER,
          new base::FundamentalValue(true),
          nullptr);
  mock_provider_.UpdateChromePolicy(map);
  EXPECT_FALSE(connector.IsPolicyFromCloudPolicy(key::kAutoFillEnabled));
  value = connector.policy_service()->GetPolicies(chrome_ns).GetValue(
      key::kAutoFillEnabled);
  ASSERT_TRUE(value);
  EXPECT_TRUE(base::FundamentalValue(true).Equals(value));

  // Cleanup.
  connector.Shutdown();
}

}  // namespace policy