Support policies referencing external data for device-local accounts

chrome/browser/chromeos/policy/cloud_external_data_manager_base_test_util.cc

+// 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/chromeos/policy/cloud_external_data_manager_base_test_util.h"
+
+#include "base/callback.h"
+#include "base/memory/weak_ptr.h"
+#include "base/sha1.h"
+#include "base/strings/string_number_conversions.h"
+#include "base/values.h"
+#include "chrome/browser/policy/cloud/cloud_external_data_manager.h"
+#include "chrome/browser/policy/cloud/cloud_policy_core.h"
+#include "chrome/browser/policy/cloud/cloud_policy_store.h"
+#include "chrome/browser/policy/external_data_fetcher.h"
+#include "chrome/browser/policy/policy_map.h"
+#include "chrome/browser/policy/policy_types.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace policy {
+namespace test {
+
+void ExternalDataFetchCallback(scoped_ptr<std::string>* destination,
+                               const base::Closure& done_callback,
+                               scoped_ptr<std::string> data) {
+  *destination = data.Pass();
+  done_callback.Run();
+}
+
+scoped_ptr<base::DictionaryValue> ConstructExternalDataReference(
+    const std::string& url,
+    const std::string& data) {
+  const std::string hash = base::SHA1HashString(data);
+  scoped_ptr<base::DictionaryValue> metadata(new base::DictionaryValue);
+  metadata->SetStringWithoutPathExpansion("url", url);
+  metadata->SetStringWithoutPathExpansion("hash", base::HexEncode(hash.c_str(),
+                                                                  hash.size()));
+  return metadata.Pass();
+}
+
+void SetExternalDataReference(CloudPolicyCore* core,
+                              const std::string& policy,
+                              scoped_ptr<base::DictionaryValue> metadata) {
+  CloudPolicyStore* store = core->store();
+  ASSERT_TRUE(store);
+  PolicyMap policy_map;
+  policy_map.Set(policy,
+                 POLICY_LEVEL_MANDATORY, POLICY_SCOPE_USER,
+                 metadata.release(),
+                 new ExternalDataFetcher(store->external_data_manager(),
+                                         policy));
+  store->SetPolicyMapForTesting(policy_map);
+}
+
+}  // namespace test
+}  // namespace policy