text: // 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 <string>
  
  #include "base/bind.h"
  #include "base/callback.h"
  #include "base/files/file_path.h"
  #include "base/files/file_util.h"
  #include "base/memory/scoped_ptr.h"
  #include "base/path_service.h"
  #include "base/run_loop.h"
  #include "base/values.h"
  #include "build/build_config.h"
  #include "chrome/browser/chromeos/policy/cloud_external_data_manager_base.h"
  #include "chrome/browser/chromeos/policy/cloud_external_data_manager_base_test_util.h"
  #include "chrome/browser/chromeos/policy/user_cloud_policy_manager_chromeos.h"
  #include "chrome/browser/chromeos/policy/user_cloud_policy_manager_factory_chromeos.h"
  #include "chrome/browser/policy/profile_policy_connector.h"
  #include "chrome/browser/policy/profile_policy_connector_factory.h"
  #include "chrome/browser/profiles/profile.h"
  #include "chrome/browser/ui/browser.h"
  #include "chrome/common/chrome_paths.h"
  #include "chrome/test/base/in_process_browser_test.h"
  #include "components/policy/core/common/cloud/cloud_policy_core.h"
  #include "components/policy/core/common/external_data_fetcher.h"
  #include "components/policy/core/common/policy_map.h"
  #include "components/policy/core/common/policy_service.h"
  #include "content/public/test/test_utils.h"
  #include "net/test/embedded_test_server/embedded_test_server.h"
  #include "policy/policy_constants.h"
  #include "testing/gtest/include/gtest/gtest.h"
  #include "url/gurl.h"
  
  namespace policy {
  
  namespace {
  
  const char kExternalDataPath[] = "policy/blank.html";
  
  }  // namespace
  
  typedef InProcessBrowserTest UserCloudExternalDataManagerTest;
  
  IN_PROC_BROWSER_TEST_F(UserCloudExternalDataManagerTest, FetchExternalData) {
    CloudExternalDataManagerBase::SetMaxExternalDataSizeForTesting(1000);
  
    ASSERT_TRUE(embedded_test_server()->Start());
    const GURL url =
        embedded_test_server()->GetURL(std::string("/") + kExternalDataPath);
  
    base::FilePath test_dir;
    ASSERT_TRUE(PathService::Get(chrome::DIR_TEST_DATA, &test_dir));
    std::string external_data;
    ASSERT_TRUE(base::ReadFileToString(test_dir.AppendASCII(kExternalDataPath),
                                       &external_data));
    ASSERT_FALSE(external_data.empty());
  
    scoped_ptr<base::DictionaryValue> metadata =
        test::ConstructExternalDataReference(url.spec(), external_data);
  #if defined(OS_CHROMEOS)
    UserCloudPolicyManagerChromeOS* policy_manager =
        UserCloudPolicyManagerFactoryChromeOS::GetForProfile(
            browser()->profile());
  #else
    UserCloudPolicyManager* policy_manager =
        UserCloudPolicyManagerFactory::GetForBrowserContext(browser()->profile());
  #endif
    ASSERT_TRUE(policy_manager);
    // TODO(bartfab): The test injects an ExternalDataFetcher for an arbitrary
    // policy. This is only done because there are no policies that reference
    // external data yet. Once the first such policy is added, switch the test to
    // that policy and stop injecting a manually instantiated ExternalDataFetcher.
    test::SetExternalDataReference(policy_manager->core(),
                                   key::kHomepageLocation,
                                   make_scoped_ptr(metadata->DeepCopy()));
    content::RunAllPendingInMessageLoop();
  
    ProfilePolicyConnector* policy_connector =
        ProfilePolicyConnectorFactory::GetForBrowserContext(browser()->profile());
    ASSERT_TRUE(policy_connector);
    const PolicyMap& policies = policy_connector->policy_service()->GetPolicies(
        PolicyNamespace(POLICY_DOMAIN_CHROME, std::string()));
    const PolicyMap::Entry* policy_entry = policies.Get(key::kHomepageLocation);
    ASSERT_TRUE(policy_entry);
    EXPECT_TRUE(base::Value::Equals(metadata.get(), policy_entry->value));
    ASSERT_TRUE(policy_entry->external_data_fetcher);
  
    base::RunLoop run_loop;
    scoped_ptr<std::string> fetched_external_data;
    policy_entry->external_data_fetcher->Fetch(base::Bind(
        &test::ExternalDataFetchCallback,
        &fetched_external_data,
        run_loop.QuitClosure()));
    run_loop.Run();
  
    ASSERT_TRUE(fetched_external_data);
    EXPECT_EQ(external_data, *fetched_external_data);
  }
  
  }  // namespace policy
  