Refactored the CloudPolicyProvider so that it becomes initialized once and stays initialized.

chrome/browser/policy/device_policy_cache_test_base.cc

Index: chrome/browser/policy/device_policy_cache_test_base.cc
diff --git a/chrome/browser/policy/device_policy_cache_test_base.cc b/chrome/browser/policy/device_policy_cache_test_base.cc
new file mode 100644
index 0000000000000000000000000000000000000000..81dd6ecdc60146f3c232b3e631db212731c991dc
--- /dev/null
+++ b/chrome/browser/policy/device_policy_cache_test_base.cc
@@ -0,0 +1,110 @@
+// Copyright (c) 2012 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_policy_cache_test_base.h"
+
+#include "testing/gmock/include/gmock/gmock.h"
+
+namespace em = enterprise_management;
+
+using ::chromeos::SignedSettings;
+using ::testing::_;
+
+namespace policy {
+
+const char DevicePolicyCacheTestHelper::kTestUser[] = "test@example.com";
+
+DevicePolicyCacheTestHelper::DevicePolicyCacheTestHelper()
+    : cryptohome_(chromeos::CryptohomeLibrary::GetImpl(true)),
+      install_attributes_(cryptohome_.get()),
+      data_store_(CloudPolicyDataStore::CreateForDevicePolicies()),
+      scoped_cache_(new DevicePolicyCache(data_store_.get(),
+                                          &install_attributes_,
+                                          &signed_settings_helper_)),
+      cache_(scoped_cache_.get()),
+      username_(kTestUser) {}
+
+DevicePolicyCacheTestHelper::~DevicePolicyCacheTestHelper() {}
+
+bool DevicePolicyCacheTestHelper::MakeEnterpriseDevice() {
+  return EnterpriseInstallAttributes::LOCK_SUCCESS ==
+      install_attributes_.LockDevice(kTestUser, DEVICE_MODE_ENTERPRISE, "");
+}
+
+void DevicePolicyCacheTestHelper::ResetPolicy() {
+  settings_.Clear();
+  username_ = kTestUser;
+}
+
+void DevicePolicyCacheTestHelper::SetRefreshRatePolicy(int refresh_rate) {
+  settings_.mutable_device_policy_refresh_rate()->
+      set_device_policy_refresh_rate(refresh_rate);
+}
+
+void DevicePolicyCacheTestHelper::SetProxyPolicy(
+    const std::string& proxy_mode,
+    const std::string& proxy_server,
+    const std::string& proxy_pac_url,
+    const std::string& proxy_bypass_list) {
+  em::DeviceProxySettingsProto* proxy_settings =
+      settings_.mutable_device_proxy_settings();
+  proxy_settings->set_proxy_mode(proxy_mode);
+  proxy_settings->set_proxy_server(proxy_server);
+  proxy_settings->set_proxy_pac_url(proxy_pac_url);
+  proxy_settings->set_proxy_bypass_list(proxy_bypass_list);
+}
+
+void DevicePolicyCacheTestHelper::SetSettings(
+    const enterprise_management::ChromeDeviceSettingsProto& proto) {
+  settings_.CopyFrom(proto);
+}
+
+bool DevicePolicyCacheTestHelper::LoadPolicy() {
+  if (!SerializePolicy())
+    return false;
+
+  EXPECT_CALL(signed_settings_helper_, StartRetrievePolicyOp(_)).WillOnce(
+      MockSignedSettingsHelperRetrievePolicy(SignedSettings::SUCCESS,
+                                             policy_));
+
+  cache_->Load();
+  return testing::Mock::VerifyAndClearExpectations(&signed_settings_helper_);
+}
+
+bool DevicePolicyCacheTestHelper::SetPolicy(bool expect_store) {
+  if (!SerializePolicy())
+    return false;
+
+  if (expect_store) {
+    EXPECT_CALL(signed_settings_helper_, StartStorePolicyOp(_, _)).WillOnce(
+        MockSignedSettingsHelperStorePolicy(chromeos::SignedSettings::SUCCESS));
+    EXPECT_CALL(signed_settings_helper_, StartRetrievePolicyOp(_)).WillOnce(
+        MockSignedSettingsHelperRetrievePolicy(SignedSettings::SUCCESS,
+                                               policy_));
+  }
+
+  bool result = cache_->SetPolicy(policy_);
+  cache_->SetFetchingDone();
+  if (!result)
+    return false;
+  return testing::Mock::VerifyAndClearExpectations(&signed_settings_helper_);
+}
+
+bool DevicePolicyCacheTestHelper::SerializePolicy() {
+  // This method omits a few fields which currently aren't needed by tests:
+  // timestamp, machine_name, public key info.
+  em::PolicyData signed_response;
+  signed_response.set_username(username_);
+  signed_response.set_request_token("dmtoken");
+  signed_response.set_device_id("deviceid");
+  if (!settings_.SerializeToString(signed_response.mutable_policy_value()))
+    return false;
+  std::string serialized_signed_response;
+  if (!signed_response.SerializeToString(&serialized_signed_response))
+    return false;
+  policy_.set_policy_data(serialized_signed_response);
+  return true;
+}
+
+}  // namespace policy