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// Copyright 2014 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 "base/bind.h"
#include "base/message_loop/message_loop.h"
#include "base/run_loop.h"
#include "device/serial/serial.mojom.h"
#include "device/serial/serial_service_impl.h"
#include "device/serial/test_serial_io_handler.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/mojo/src/mojo/public/cpp/bindings/interface_ptr.h"
#include "third_party/mojo/src/mojo/public/cpp/bindings/interface_request.h"
namespace device {
namespace {
class FakeSerialDeviceEnumerator : public SerialDeviceEnumerator {
mojo::Array<serial::DeviceInfoPtr> GetDevices() override {
mojo::Array<serial::DeviceInfoPtr> devices(1);
devices[0] = serial::DeviceInfo::New();
devices[0]->path = "device";
return devices.Pass();
}
};
class FailToOpenIoHandler : public TestSerialIoHandler {
public:
void Open(const std::string& port,
const serial::ConnectionOptions& options,
const OpenCompleteCallback& callback) override {
callback.Run(false);
}
protected:
~FailToOpenIoHandler() override {}
};
} // namespace
class SerialServiceTest : public testing::Test {
public:
SerialServiceTest() : connected_(false), expecting_error_(false) {}
void StoreDevices(mojo::Array<serial::DeviceInfoPtr> devices) {
devices_ = devices.Pass();
StopMessageLoop();
}
void OnConnectionError() {
StopMessageLoop();
EXPECT_TRUE(expecting_error_);
}
void RunMessageLoop() {
run_loop_.reset(new base::RunLoop);
run_loop_->Run();
}
void StopMessageLoop() {
ASSERT_TRUE(run_loop_);
message_loop_.PostTask(FROM_HERE, run_loop_->QuitClosure());
}
void OnGotInfo(serial::ConnectionInfoPtr options) {
connected_ = true;
StopMessageLoop();
}
scoped_refptr<SerialIoHandler> ReturnIoHandler() { return io_handler_; }
void RunConnectTest(const std::string& path, bool expecting_success) {
if (!io_handler_.get())
io_handler_ = new TestSerialIoHandler;
mojo::InterfacePtr<serial::SerialService> service;
new SerialServiceImpl(
new SerialConnectionFactory(
base::Bind(&SerialServiceTest::ReturnIoHandler,
base::Unretained(this)),
base::ThreadTaskRunnerHandle::Get()),
scoped_ptr<SerialDeviceEnumerator>(new FakeSerialDeviceEnumerator),
mojo::GetProxy(&service));
mojo::InterfacePtr<serial::Connection> connection;
mojo::InterfacePtr<serial::DataSink> sink;
mojo::InterfacePtr<serial::DataSource> source;
mojo::InterfacePtr<serial::DataSourceClient> source_client;
mojo::GetProxy(&source_client);
service->Connect(path, serial::ConnectionOptions::New(),
mojo::GetProxy(&connection), mojo::GetProxy(&sink),
mojo::GetProxy(&source), source_client.Pass());
connection.set_connection_error_handler(base::Bind(
&SerialServiceTest::OnConnectionError, base::Unretained(this)));
expecting_error_ = !expecting_success;
connection->GetInfo(
base::Bind(&SerialServiceTest::OnGotInfo, base::Unretained(this)));
RunMessageLoop();
EXPECT_EQ(!expecting_success, connection.encountered_error());
EXPECT_EQ(expecting_success, connected_);
connection.reset();
}
base::MessageLoop message_loop_;
scoped_ptr<base::RunLoop> run_loop_;
mojo::Array<serial::DeviceInfoPtr> devices_;
scoped_refptr<TestSerialIoHandler> io_handler_;
bool connected_;
bool expecting_error_;
serial::ConnectionInfoPtr info_;
private:
DISALLOW_COPY_AND_ASSIGN(SerialServiceTest);
};
TEST_F(SerialServiceTest, GetDevices) {
mojo::InterfacePtr<serial::SerialService> service;
SerialServiceImpl::Create(NULL, NULL, mojo::GetProxy(&service));
service.set_connection_error_handler(base::Bind(
&SerialServiceTest::OnConnectionError, base::Unretained(this)));
mojo::Array<serial::DeviceInfoPtr> result;
service->GetDevices(
base::Bind(&SerialServiceTest::StoreDevices, base::Unretained(this)));
RunMessageLoop();
// Because we're running on unknown hardware, only check that we received a
// non-null result.
EXPECT_TRUE(devices_);
}
TEST_F(SerialServiceTest, Connect) {
RunConnectTest("device", true);
}
TEST_F(SerialServiceTest, ConnectInvalidPath) {
RunConnectTest("invalid_path", false);
}
TEST_F(SerialServiceTest, ConnectOpenFailed) {
io_handler_ = new FailToOpenIoHandler;
RunConnectTest("device", false);
}
} // namespace device
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