Reland: Introduce the devices Mojo app

device/usb/device_manager_impl_unittest.cc

Index: device/usb/device_manager_impl_unittest.cc
diff --git a/device/usb/device_manager_impl_unittest.cc b/device/usb/device_manager_impl_unittest.cc
deleted file mode 100644
index f0ce167d15410c537fccb8258e1a49a8a04e57c0..0000000000000000000000000000000000000000
--- a/device/usb/device_manager_impl_unittest.cc
+++ /dev/null
@@ -1,256 +0,0 @@
-// Copyright 2015 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 <set>
-#include <string>
-
-#include "base/bind.h"
-#include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/message_loop/message_loop.h"
-#include "base/run_loop.h"
-#include "device/core/device_client.h"
-#include "device/usb/device_impl.h"
-#include "device/usb/device_manager_impl.h"
-#include "device/usb/mock_usb_device.h"
-#include "device/usb/mock_usb_device_handle.h"
-#include "device/usb/mock_usb_service.h"
-#include "device/usb/public/cpp/device_manager_delegate.h"
-#include "device/usb/public/cpp/device_manager_factory.h"
-#include "testing/gtest/include/gtest/gtest.h"
-#include "third_party/mojo/src/mojo/public/cpp/bindings/error_handler.h"
-#include "third_party/mojo/src/mojo/public/cpp/bindings/interface_request.h"
-
-using ::testing::Invoke;
-using ::testing::_;
-
-namespace device {
-namespace usb {
-
-namespace {
-
-bool DefaultDelegateFilter(const DeviceInfo& device_info) {
-  return true;
-}
-
-class TestDeviceManagerDelegate : public DeviceManagerDelegate {
- public:
-  using Filter = base::Callback<bool(const DeviceInfo&)>;
-
-  TestDeviceManagerDelegate(const Filter& filter) : filter_(filter) {}
-  ~TestDeviceManagerDelegate() override {}
-
-  void set_filter(const Filter& filter) { filter_ = filter; }
-
- private:
-  // DeviceManagerDelegate implementation:
-  bool IsDeviceAllowed(const DeviceInfo& device_info) override {
-    return filter_.Run(device_info);
-  }
-
-  Filter filter_;
-};
-
-class TestDeviceClient : public DeviceClient {
- public:
-  TestDeviceClient() : delegate_filter_(base::Bind(&DefaultDelegateFilter)) {}
-  ~TestDeviceClient() override {}
-
-  MockUsbService& mock_usb_service() { return mock_usb_service_; }
-
-  void SetDelegateFilter(const TestDeviceManagerDelegate::Filter& filter) {
-    delegate_filter_ = filter;
-  }
-
- private:
-  // DeviceClient implementation:
-  UsbService* GetUsbService() override { return &mock_usb_service_; }
-
-  void ConnectToUSBDeviceManager(
-      mojo::InterfaceRequest<DeviceManager> request) override {
-    new DeviceManagerImpl(request.Pass(),
-                          scoped_ptr<DeviceManagerDelegate>(
-                              new TestDeviceManagerDelegate(delegate_filter_)));
-  }
-
-  TestDeviceManagerDelegate::Filter delegate_filter_;
-  MockUsbService mock_usb_service_;
-};
-
-class USBDeviceManagerImplTest : public testing::Test {
- public:
-  USBDeviceManagerImplTest()
-      : message_loop_(new base::MessageLoop),
-        device_client_(new TestDeviceClient) {}
-  ~USBDeviceManagerImplTest() override {}
-
- protected:
-  MockUsbService& mock_usb_service() {
-    return device_client_->mock_usb_service();
-  }
-
-  void SetDelegateFilter(const TestDeviceManagerDelegate::Filter& filter) {
-    device_client_->SetDelegateFilter(filter);
-  }
-
- private:
-  scoped_ptr<base::MessageLoop> message_loop_;
-  scoped_ptr<TestDeviceClient> device_client_;
-};
-
-// This is used this to watch a MessagePipe and run a given callback when the
-// pipe is closed.
-class PipeWatcher : public mojo::ErrorHandler {
- public:
-  PipeWatcher(const base::Closure& error_callback)
-      : error_callback_(error_callback) {}
-  ~PipeWatcher() override {}
-
- private:
-  // mojo::ErrorHandler:
-  void OnConnectionError() override { error_callback_.Run(); }
-
-  const base::Closure error_callback_;
-
-  DISALLOW_COPY_AND_ASSIGN(PipeWatcher);
-};
-
-class MockOpenCallback {
- public:
-  explicit MockOpenCallback(UsbDevice* device) : device_(device) {}
-
-  void Open(const UsbDevice::OpenCallback& callback) {
-    device_handle_ = new MockUsbDeviceHandle(device_);
-    callback.Run(device_handle_);
-  }
-
-  scoped_refptr<MockUsbDeviceHandle> mock_handle() { return device_handle_; }
-
- private:
-  UsbDevice* device_;
-  scoped_refptr<MockUsbDeviceHandle> device_handle_;
-};
-
-void ExpectDevicesAndThen(const std::set<std::string>& expected_guids,
-                          const base::Closure& continuation,
-                          mojo::Array<DeviceInfoPtr> results) {
-  EXPECT_EQ(expected_guids.size(), results.size());
-  std::set<std::string> actual_guids;
-  for (size_t i = 0; i < results.size(); ++i)
-    actual_guids.insert(results[i]->guid);
-  EXPECT_EQ(expected_guids, actual_guids);
-  continuation.Run();
-}
-
-void ExpectDeviceInfoAndThen(const std::string& expected_guid,
-                             const base::Closure& continuation,
-                             DeviceInfoPtr device_info) {
-  EXPECT_EQ(expected_guid, device_info->guid);
-  continuation.Run();
-}
-
-void ExpectOpenDeviceError(OpenDeviceError expected_error,
-                           OpenDeviceError actual_error) {
-  EXPECT_EQ(expected_error, actual_error);
-}
-
-void FailOnGetDeviceInfoResponse(DeviceInfoPtr device_info) {
-  FAIL();
-}
-
-}  // namespace
-
-// Test basic GetDevices functionality to ensure that all mock devices are
-// returned by the service.
-TEST_F(USBDeviceManagerImplTest, GetDevices) {
-  scoped_refptr<MockUsbDevice> device0 =
-      new MockUsbDevice(0x1234, 0x5678, "ACME", "Frobinator", "ABCDEF");
-  scoped_refptr<MockUsbDevice> device1 =
-      new MockUsbDevice(0x1234, 0x5679, "ACME", "Frobinator+", "GHIJKL");
-  scoped_refptr<MockUsbDevice> device2 =
-      new MockUsbDevice(0x1234, 0x567a, "ACME", "Frobinator Mk II", "MNOPQR");
-
-  mock_usb_service().AddDevice(device0);
-  mock_usb_service().AddDevice(device1);
-  mock_usb_service().AddDevice(device2);
-
-  DeviceManagerPtr device_manager;
-  DeviceClient::Get()->ConnectToUSBDeviceManager(
-      mojo::GetProxy(&device_manager));
-
-  EnumerationOptionsPtr options = EnumerationOptions::New();
-  options->filters = mojo::Array<DeviceFilterPtr>::New(1);
-  options->filters[0] = DeviceFilter::New();
-  options->filters[0]->has_vendor_id = true;
-  options->filters[0]->vendor_id = 0x1234;
-
-  std::set<std::string> guids;
-  guids.insert(device0->guid());
-  guids.insert(device1->guid());
-  guids.insert(device2->guid());
-
-  // One call to GetConfiguration for each device during enumeration.
-  EXPECT_CALL(*device0.get(), GetConfiguration());
-  EXPECT_CALL(*device1.get(), GetConfiguration());
-  EXPECT_CALL(*device2.get(), GetConfiguration());
-
-  base::RunLoop loop;
-  device_manager->GetDevices(
-      options.Pass(),
-      base::Bind(&ExpectDevicesAndThen, guids, loop.QuitClosure()));
-  loop.Run();
-}
-
-// Test requesting a single Device by GUID.
-TEST_F(USBDeviceManagerImplTest, OpenDevice) {
-  scoped_refptr<MockUsbDevice> mock_device =
-      new MockUsbDevice(0x1234, 0x5678, "ACME", "Frobinator", "ABCDEF");
-
-  mock_usb_service().AddDevice(mock_device);
-
-  DeviceManagerPtr device_manager;
-  DeviceClient::Get()->ConnectToUSBDeviceManager(
-      mojo::GetProxy(&device_manager));
-
-  // Should be called on the mock as a result of OpenDevice() below.
-  EXPECT_CALL(*mock_device.get(), Open(_));
-
-  MockOpenCallback open_callback(mock_device.get());
-  ON_CALL(*mock_device.get(), Open(_))
-      .WillByDefault(Invoke(&open_callback, &MockOpenCallback::Open));
-
-  // Should be called on the mock as a result of GetDeviceInfo() below.
-  EXPECT_CALL(*mock_device.get(), GetConfiguration());
-
-  {
-    base::RunLoop loop;
-    DevicePtr device;
-    device_manager->OpenDevice(
-        mock_device->guid(), mojo::GetProxy(&device),
-        base::Bind(&ExpectOpenDeviceError, OPEN_DEVICE_ERROR_OK));
-    device->GetDeviceInfo(base::Bind(&ExpectDeviceInfoAndThen,
-                                     mock_device->guid(), loop.QuitClosure()));
-    loop.Run();
-  }
-
-  // The device should eventually be closed when its MessagePipe is closed.
-  DCHECK(open_callback.mock_handle());
-  EXPECT_CALL(*open_callback.mock_handle().get(), Close());
-
-  DevicePtr bad_device;
-  device_manager->OpenDevice(
-      "not a real guid", mojo::GetProxy(&bad_device),
-      base::Bind(&ExpectOpenDeviceError, OPEN_DEVICE_ERROR_NOT_FOUND));
-
-  {
-    base::RunLoop loop;
-    scoped_ptr<PipeWatcher> watcher(new PipeWatcher(loop.QuitClosure()));
-    bad_device.set_error_handler(watcher.get());
-    bad_device->GetDeviceInfo(base::Bind(&FailOnGetDeviceInfoResponse));
-    loop.Run();
-  }
-}
-
-}  // namespace usb
-}  // namespace device