mock_omaha_request_params.h

// Copyright 2014 The Chromium OS 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 UPDATE_ENGINE_MOCK_OMAHA_REQUEST_PARAMS_H_
#define UPDATE_ENGINE_MOCK_OMAHA_REQUEST_PARAMS_H_

#include <string>

#include <gmock/gmock.h>

#include "update_engine/omaha_request_params.h"

namespace chromeos_update_engine {

class MockOmahaRequestParams : public OmahaRequestParams {
 public:
  explicit MockOmahaRequestParams(SystemState* system_state)
      : OmahaRequestParams(system_state) {
    // Delegate all calls to the parent instance by default. This helps the
    // migration from tests using the real RequestParams when they should have
    // use a fake or mock.
    ON_CALL(*this, to_more_stable_channel())
        .WillByDefault(testing::Invoke(
            this, &MockOmahaRequestParams::fake_to_more_stable_channel));
    ON_CALL(*this, GetAppId())
        .WillByDefault(testing::Invoke(
            this, &MockOmahaRequestParams::FakeGetAppId));
    ON_CALL(*this, SetTargetChannel(testing::_, testing::_))
        .WillByDefault(testing::Invoke(
            this, &MockOmahaRequestParams::FakeSetTargetChannel));
    ON_CALL(*this, UpdateDownloadChannel())
        .WillByDefault(testing::Invoke(
            this, &MockOmahaRequestParams::FakeUpdateDownloadChannel));
    ON_CALL(*this, is_powerwash_allowed())
        .WillByDefault(testing::Invoke(
            this, &MockOmahaRequestParams::fake_is_powerwash_allowed));
  }

  MOCK_CONST_METHOD0(to_more_stable_channel, bool(void));
  MOCK_CONST_METHOD0(GetAppId, std::string(void));
  MOCK_METHOD2(SetTargetChannel, bool(const std::string& channel,
                                      bool is_powerwash_allowed));
  MOCK_METHOD0(UpdateDownloadChannel, void(void));
  MOCK_CONST_METHOD0(is_powerwash_allowed, bool(void));

 private:
  // Wrappers to call the parent class and behave like the real object by
  // default. See "Delegating Calls to a Parent Class" in gmock's documentation.
  bool fake_to_more_stable_channel() const {
    return OmahaRequestParams::to_more_stable_channel();
  }

  std::string FakeGetAppId() const {
    return OmahaRequestParams::GetAppId();
  }

  bool FakeSetTargetChannel(const std::string& channel,
                            bool is_powerwash_allowed) {
    return OmahaRequestParams::SetTargetChannel(channel, is_powerwash_allowed);
  }

  void FakeUpdateDownloadChannel() {
    return OmahaRequestParams::UpdateDownloadChannel();
  }

  bool fake_is_powerwash_allowed() const {
    return OmahaRequestParams::is_powerwash_allowed();
  }
};

}  // namespace chromeos_update_engine

#endif  // UPDATE_ENGINE_MOCK_OMAHA_REQUEST_PARAMS_H_