Include only policy definitions that apply to the platfrom in the policy definition list.

chrome/browser/policy/configuration_policy_provider_test.h

+// Copyright (c) 2011 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.
+
+#ifndef CHROME_BROWSER_POLICY_CONFIGURATION_POLICY_PROVIDER_TEST_H_
+#define CHROME_BROWSER_POLICY_CONFIGURATION_POLICY_PROVIDER_TEST_H_
+#pragma once
+
+#include <string>
+
+#include "base/basictypes.h"
+#include "base/callback.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/message_loop.h"
+#include "content/test/test_browser_thread.h"
+#include "policy/configuration_policy_type.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace base {
+class ListValue;
+}
+
+namespace policy {
+
+class AsynchronousPolicyProvider;
+struct PolicyDefinitionList;
+
+// A stripped-down policy definition list that contains entries for the
+// different policy setting types supported.
+namespace test_policy_definitions {
+
+// String policy keys.
+extern const char kKeyString[];
+extern const char kKeyBoolean[];
+extern const char kKeyInteger[];
+extern const char kKeyStringList[];
+
+// Corresponding type constants.
+extern const ConfigurationPolicyType kPolicyString;
+extern const ConfigurationPolicyType kPolicyBoolean;
+extern const ConfigurationPolicyType kPolicyInteger;
+extern const ConfigurationPolicyType kPolicyStringList;
+
+// Policy definition list that contains entries for the keys above.
+extern const PolicyDefinitionList kList;
+
+}  // namespace test_policy_definitions
+
+// An interface for creating a test policy provider and creating a policy
+// provider instance for testing. Used as the parameter to the abstract
+// ConfigurationPolicyProviderTest below.
+class PolicyProviderTestHarness {
+ public:
+  PolicyProviderTestHarness();
+  virtual ~PolicyProviderTestHarness();
+
+  // Actions to run at gtest SetUp() time.
+  virtual void SetUp() = 0;
+
+  // Create a new policy provider.
+  virtual AsynchronousPolicyProvider* CreateProvider(
+      const PolicyDefinitionList* policy_definition_list) = 0;
+
+  // Helpers to configure the environment the policy provider reads from.
+  virtual void InstallEmptyPolicy() = 0;
+  virtual void InstallStringPolicy(const std::string& policy_name,
+                                   const std::string& policy_value) = 0;
+  virtual void InstallIntegerPolicy(const std::string& policy_name,
+                                    int policy_value) = 0;
+  virtual void InstallBooleanPolicy(const std::string& policy_name,
+                                    bool policy_value) = 0;
+  virtual void InstallStringListPolicy(const std::string& policy_name,
+                                       const ListValue* policy_value) = 0;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(PolicyProviderTestHarness);
+};
+
+// A factory method for creating a test harness.
+typedef PolicyProviderTestHarness* (*CreatePolicyProviderTestHarness)();
+
+// Abstract policy provider test. This is meant to be instantiated for each
+// policy provider implementation, passing in a suitable harness factory
+// function as the test parameter.
+class ConfigurationPolicyProviderTest
+    : public testing::TestWithParam<CreatePolicyProviderTestHarness> {
+ protected:
+  ConfigurationPolicyProviderTest();
+  virtual ~ConfigurationPolicyProviderTest();
+
+  virtual void SetUp();
+  virtual void TearDown();
+
+  // Installs a valid policy and checks whether the provider returns the
+  // |expected_value|.
+  void CheckValue(const char* policy_name,
+                  ConfigurationPolicyType policy_type,
+                  const base::Value& expected_value,
+                  base::Closure install_value);
+
+  // Threading setup so we can have providers reload stuff on the FILE thread.
+  MessageLoopForIO loop_;
+  content::TestBrowserThread ui_thread_;
+  content::TestBrowserThread file_thread_;
+
+  scoped_ptr<PolicyProviderTestHarness> test_harness_;
+  scoped_ptr<AsynchronousPolicyProvider> provider_;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(ConfigurationPolicyProviderTest);
+};
+
+}  // namespace policy
+
+#endif  // CHROME_BROWSER_POLICY_CONFIGURATION_POLICY_PROVIDER_TEST_H_