fake_fido_discovery.cc

// Copyright 2018 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 "device/fido/fake_fido_discovery.h"

#include <utility>

#include "base/bind.h"
#include "base/bind_helpers.h"
#include "base/location.h"
#include "base/notreached.h"
#include "base/threading/sequenced_task_runner_handle.h"
#include "testing/gtest/include/gtest/gtest.h"

namespace device {
namespace test {

// FakeFidoDiscovery ----------------------------------------------------------

FakeFidoDiscovery::FakeFidoDiscovery(FidoTransportProtocol transport,
                                     StartMode mode)
    : FidoDeviceDiscovery(transport), mode_(mode) {}
FakeFidoDiscovery::~FakeFidoDiscovery() = default;

void FakeFidoDiscovery::WaitForCallToStart() {
  wait_for_start_loop_.Run();
}

void FakeFidoDiscovery::SimulateStarted(bool success) {
  ASSERT_FALSE(is_running());
  NotifyDiscoveryStarted(success);
}

void FakeFidoDiscovery::WaitForCallToStartAndSimulateSuccess() {
  WaitForCallToStart();
  SimulateStarted(true /* success */);
}

void FakeFidoDiscovery::StartInternal() {
  wait_for_start_loop_.Quit();

  if (mode_ == StartMode::kAutomatic) {
    base::SequencedTaskRunnerHandle::Get()->PostTask(
        FROM_HERE, base::BindOnce(&FakeFidoDiscovery::SimulateStarted,
                                  AsWeakPtr(), true /* success */));
  }
}

// FakeFidoDiscoveryFactory ---------------------------------------------

FakeFidoDiscoveryFactory::FakeFidoDiscoveryFactory() = default;
FakeFidoDiscoveryFactory::~FakeFidoDiscoveryFactory() = default;

FakeFidoDiscovery* FakeFidoDiscoveryFactory::ForgeNextHidDiscovery(
    FakeFidoDiscovery::StartMode mode) {
  next_hid_discovery_ = std::make_unique<FakeFidoDiscovery>(
      FidoTransportProtocol::kUsbHumanInterfaceDevice, mode);
  return next_hid_discovery_.get();
}

FakeFidoDiscovery* FakeFidoDiscoveryFactory::ForgeNextNfcDiscovery(
    FakeFidoDiscovery::StartMode mode) {
  next_nfc_discovery_ = std::make_unique<FakeFidoDiscovery>(
      FidoTransportProtocol::kNearFieldCommunication, mode);
  return next_nfc_discovery_.get();
}

FakeFidoDiscovery* FakeFidoDiscoveryFactory::ForgeNextCableDiscovery(
    FakeFidoDiscovery::StartMode mode) {
  next_cable_discovery_ = std::make_unique<FakeFidoDiscovery>(
      FidoTransportProtocol::kCloudAssistedBluetoothLowEnergy, mode);
  return next_cable_discovery_.get();
}

FakeFidoDiscovery* FakeFidoDiscoveryFactory::ForgeNextPlatformDiscovery(
    FakeFidoDiscovery::StartMode mode) {
  next_platform_discovery_ = std::make_unique<FakeFidoDiscovery>(
      FidoTransportProtocol::kInternal, mode);
  return next_platform_discovery_.get();
}

std::unique_ptr<FidoDiscoveryBase> FakeFidoDiscoveryFactory::Create(
    FidoTransportProtocol transport) {
  switch (transport) {
    case FidoTransportProtocol::kUsbHumanInterfaceDevice:
      return std::move(next_hid_discovery_);
    case FidoTransportProtocol::kNearFieldCommunication:
      return std::move(next_nfc_discovery_);
    case FidoTransportProtocol::kBluetoothLowEnergy:
      return nullptr;
    case FidoTransportProtocol::kCloudAssistedBluetoothLowEnergy:
      return std::move(next_cable_discovery_);
    case FidoTransportProtocol::kInternal:
      return std::move(next_platform_discovery_);
  }
  NOTREACHED();
  return nullptr;
}

}  // namespace test

}  // namespace device