Refresh policies from DM server periodically

chrome/browser/policy/device_management_policy_cache_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 "chrome/browser/policy/device_management_policy_cache.h"
 
 #include <limits>
 #include <string>
 
 #include "base/file_util.h"
@@ skipping 116 matching lines @@
   expected.Set("HomepageLocation",
                Value::CreateStringValue("http://www.example.com"));
   scoped_ptr<Value> policy_value(cache.GetPolicy());
   EXPECT_TRUE(expected.Equals(policy_value.get()));
 }
 
 TEST_F(DeviceManagementPolicyCacheTest, SetPolicy) {
   DeviceManagementPolicyCache cache(test_file());
   em::DevicePolicyResponse policy;
   AddStringPolicy(&policy, "HomepageLocation", "http://www.example.com");
-  cache.SetPolicy(policy);
+  EXPECT_TRUE(cache.SetPolicy(policy));
+  em::DevicePolicyResponse policy2;
+  AddStringPolicy(&policy2, "HomepageLocation", "http://www.example.com");
+  EXPECT_FALSE(cache.SetPolicy(policy2));
   DictionaryValue expected;
   expected.Set("HomepageLocation",
                Value::CreateStringValue("http://www.example.com"));
   scoped_ptr<Value> policy_value(cache.GetPolicy());
   EXPECT_TRUE(expected.Equals(policy_value.get()));
 }
 
 TEST_F(DeviceManagementPolicyCacheTest, ResetPolicy) {
   DeviceManagementPolicyCache cache(test_file());
 
   em::DevicePolicyResponse policy;
   AddStringPolicy(&policy, "HomepageLocation", "http://www.example.com");
-  cache.SetPolicy(policy);
+  EXPECT_TRUE(cache.SetPolicy(policy));
   DictionaryValue expected;
   expected.Set("HomepageLocation",
                Value::CreateStringValue("http://www.example.com"));
   scoped_ptr<Value> policy_value(cache.GetPolicy());
   EXPECT_TRUE(expected.Equals(policy_value.get()));
 
-  cache.SetPolicy(em::DevicePolicyResponse());
+  EXPECT_TRUE(cache.SetPolicy(em::DevicePolicyResponse()));
   policy_value.reset(cache.GetPolicy());
   DictionaryValue empty;
   EXPECT_TRUE(empty.Equals(policy_value.get()));
 }
 
 TEST_F(DeviceManagementPolicyCacheTest, PersistPolicy) {
   {
     DeviceManagementPolicyCache cache(test_file());
     em::DevicePolicyResponse policy;
     AddStringPolicy(&policy, "HomepageLocation", "http://www.example.com");
@@ skipping 14 matching lines @@
 
 TEST_F(DeviceManagementPolicyCacheTest, FreshPolicyOverride) {
   em::DevicePolicyResponse policy;
   AddStringPolicy(&policy, "HomepageLocation", "http://www.example.com");
   WritePolicy(policy, base::Time::NowFromSystemTime());
 
   DeviceManagementPolicyCache cache(test_file());
   em::DevicePolicyResponse updated_policy;
   AddStringPolicy(&updated_policy, "HomepageLocation",
                   "http://www.chromium.org");
-  cache.SetPolicy(updated_policy);
+  EXPECT_TRUE(cache.SetPolicy(updated_policy));
 
   cache.LoadPolicyFromFile();
   DictionaryValue expected;
   expected.Set("HomepageLocation",
                Value::CreateStringValue("http://www.chromium.org"));
   scoped_ptr<Value> policy_value(cache.GetPolicy());
   EXPECT_TRUE(expected.Equals(policy_value.get()));
 }
 
 // Tests proper decoding of policy values.
@@ skipping 105 matching lines @@
   em::DevicePolicyResponse policy;
   AddStringPolicy(&policy, "HomepageLocation", "http://www.example.com");
   scoped_ptr<Value> decoded(DeviceManagementPolicyCache::DecodePolicy(policy));
   DictionaryValue expected;
   expected.Set("HomepageLocation",
                Value::CreateStringValue("http://www.example.com"));
   EXPECT_TRUE(expected.Equals(decoded.get()));
 }
 
 }  // namespace policy