components/policy/core/common/fake_async_policy_loader.h

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef COMPONENTS_POLICY_CORE_COMMON_FAKE_ASYNC_POLICY_LOADER_H_
   6 #define COMPONENTS_POLICY_CORE_COMMON_FAKE_ASYNC_POLICY_LOADER_H_
   7
   8 #include "base/macros.h"
   9 #include "base/memory/ref_counted.h"
  10 #include "base/memory/scoped_ptr.h"
  11 #include "components/policy/core/common/async_policy_loader.h"
  12 #include "components/policy/core/common/policy_bundle.h"
  13
  14 namespace base {
  15 class SequencedTaskRunner;
  16 }  // namespace base
  17
  18 namespace policy {
  19
  20 // Fake AsyncPolicyLoader for testing with test-controlled policies.
  21 //
  22 // Typical test code would populate the policy contents via calls to
  23 // ClearPolicies and AddPolicies and then notify the rest of the policy
  24 // subsystem of the changes by calling PostReloadOnBackgroundThread.
  25 class FakeAsyncPolicyLoader : public AsyncPolicyLoader {
  26  public:
  27   explicit FakeAsyncPolicyLoader(
  28       const scoped_refptr<base::SequencedTaskRunner>& task_runner);
  29
  30   // Implementation of virtual methods from AsyncPolicyLoader base class.
  31   scoped_ptr<PolicyBundle> Load() override;
  32   void InitOnBackgroundThread() override;
  33
  34   // Provides content for the simulated / faked policies.
  35   void SetPolicies(const PolicyBundle& policy_bundle);
  36
  37   // Notifies the rest of the policy subsystem that policy contents have
  38   // changed.  This simulates / fakes a notification that normally would be
  39   // triggered by a FilePathWatcher or (registry)ObjectWatcher in a real loader.
  40   //
  41   // See AsyncPolicyLoader::Reload method for description of the |force|
  42   // parameter.
  43   void PostReloadOnBackgroundThread(bool force);
  44
  45  private:
  46   PolicyBundle policy_bundle_;
  47
  48   DISALLOW_COPY_AND_ASSIGN(FakeAsyncPolicyLoader);
  49 };
  50
  51 }  // namespace policy
  52
  53 #endif  // COMPONENTS_POLICY_CORE_COMMON_FAKE_ASYNC_POLICY_LOADER_H_