Refactor FileBasedPolicyProvider, introduce AsynchronousPolicyProvider.

chrome/browser/policy/config_dir_policy_provider_unittest.cc

 // Copyright (c) 2010 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 <algorithm>
 
 #include "base/file_util.h"
 #include "base/path_service.h"
 #include "base/scoped_temp_dir.h"
 #include "base/string_number_conversions.h"
+#include "chrome/browser/browser_thread.h"
 #include "chrome/browser/policy/config_dir_policy_provider.h"
 #include "chrome/browser/policy/configuration_policy_pref_store.h"
 #include "chrome/browser/policy/mock_configuration_policy_store.h"
 #include "chrome/common/json_value_serializer.h"
 #include "chrome/common/policy_constants.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace policy {
 
 template<typename BASE>
@@ skipping 21 matching lines @@
   ScopedTempDir test_dir_;
 };
 
 class ConfigDirPolicyLoaderTest
     : public ConfigDirPolicyProviderTestBase<testing::Test> {
 };
 
 // The preferences dictionary is expected to be empty when there are no files to
 // load.
 TEST_F(ConfigDirPolicyLoaderTest, ReadPrefsEmpty) {
-  ConfigDirPolicyLoader loader(test_dir());
+  ConfigDirPolicyProviderDelegate loader(test_dir());
   scoped_ptr<DictionaryValue> policy(loader.Load());
   EXPECT_TRUE(policy.get());
   EXPECT_TRUE(policy->empty());
 }
 
 // Reading from a non-existent directory should result in an empty preferences
 // dictionary.
 TEST_F(ConfigDirPolicyLoaderTest, ReadPrefsNonExistentDirectory) {
   FilePath non_existent_dir(test_dir().Append(FILE_PATH_LITERAL("not_there")));
-  ConfigDirPolicyLoader loader(non_existent_dir);
+  ConfigDirPolicyProviderDelegate loader(non_existent_dir);
   scoped_ptr<DictionaryValue> policy(loader.Load());
   EXPECT_TRUE(policy.get());
   EXPECT_TRUE(policy->empty());
 }
 
 // Test reading back a single preference value.
 TEST_F(ConfigDirPolicyLoaderTest, ReadPrefsSinglePref) {
   DictionaryValue test_dict;
   test_dict.SetString("HomepageLocation", "http://www.google.com");
   WriteConfigFile(test_dict, "config_file");
 
-  ConfigDirPolicyLoader loader(test_dir());
+  ConfigDirPolicyProviderDelegate loader(test_dir());
   scoped_ptr<DictionaryValue> policy(loader.Load());
   EXPECT_TRUE(policy.get());
   EXPECT_TRUE(policy->Equals(&test_dict));
 }
 
 // Test merging values from different files.
 TEST_F(ConfigDirPolicyLoaderTest, ReadPrefsMergePrefs) {
   // Write a bunch of data files in order to increase the chance to detect the
   // provider not respecting lexicographic ordering when reading them. Since the
   // filesystem may return files in arbitrary order, there is no way to be sure,
   // but this is better than nothing.
   DictionaryValue test_dict_bar;
   test_dict_bar.SetString("HomepageLocation", "http://bar.com");
   for (unsigned int i = 1; i <= 4; ++i)
     WriteConfigFile(test_dict_bar, base::IntToString(i));
   DictionaryValue test_dict_foo;
   test_dict_foo.SetString("HomepageLocation", "http://foo.com");
   WriteConfigFile(test_dict_foo, "9");
   for (unsigned int i = 5; i <= 8; ++i)
     WriteConfigFile(test_dict_bar, base::IntToString(i));
 
-  ConfigDirPolicyLoader loader(test_dir());
+  ConfigDirPolicyProviderDelegate loader(test_dir());
   scoped_ptr<DictionaryValue> policy(loader.Load());
   EXPECT_TRUE(policy.get());
   EXPECT_TRUE(policy->Equals(&test_dict_foo));
 }
 
 // Holds policy type, corresponding policy key string and a valid value for use
 // in parametrized value tests.
 class ValueTestParams {
  public:
   // Assumes ownership of |test_value|.
@@ skipping 202 matching lines @@
             kPolicyExtensionInstallDenyList,
             key::kExtensionInstallDenyList),
         ValueTestParams::ForBooleanPolicy(
             kPolicyShowHomeButton,
             key::kShowHomeButton),
         ValueTestParams::ForBooleanPolicy(
             kPolicyPrintingEnabled,
             key::kPrintingEnabled)));
 
 }  // namespace policy