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1 // Copyright 2014 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 #include <memory> | |
6 #include <utility> | |
7 | |
8 #include "base/bind.h" | |
9 #include "base/macros.h" | |
10 #include "base/memory/ptr_util.h" | |
11 #include "base/message_loop/message_loop.h" | |
12 #include "base/run_loop.h" | |
13 #include "base/single_thread_task_runner.h" | |
14 #include "base/threading/thread_task_runner_handle.h" | |
15 #include "device/serial/serial.mojom.h" | |
16 #include "device/serial/serial_service_impl.h" | |
17 #include "device/serial/test_serial_io_handler.h" | |
18 #include "mojo/public/cpp/bindings/interface_ptr.h" | |
19 #include "mojo/public/cpp/bindings/interface_request.h" | |
20 #include "mojo/public/cpp/bindings/strong_binding.h" | |
21 #include "testing/gtest/include/gtest/gtest.h" | |
22 | |
23 namespace device { | |
24 namespace { | |
25 | |
26 class FakeSerialDeviceEnumerator : public SerialDeviceEnumerator { | |
27 std::vector<serial::DeviceInfoPtr> GetDevices() override { | |
28 std::vector<serial::DeviceInfoPtr> devices(1); | |
29 devices[0] = serial::DeviceInfo::New(); | |
30 devices[0]->path = "device"; | |
31 return devices; | |
32 } | |
33 }; | |
34 | |
35 class FailToOpenIoHandler : public TestSerialIoHandler { | |
36 public: | |
37 void Open(const std::string& port, | |
38 const serial::ConnectionOptions& options, | |
39 const OpenCompleteCallback& callback) override { | |
40 callback.Run(false); | |
41 } | |
42 | |
43 protected: | |
44 ~FailToOpenIoHandler() override {} | |
45 }; | |
46 | |
47 } // namespace | |
48 | |
49 class SerialServiceTest : public testing::Test { | |
50 public: | |
51 SerialServiceTest() : connected_(false), expecting_error_(false) {} | |
52 | |
53 void StoreDevices(std::vector<serial::DeviceInfoPtr> devices) { | |
54 devices_ = std::move(devices); | |
55 StopMessageLoop(); | |
56 } | |
57 | |
58 void OnConnectionError() { | |
59 StopMessageLoop(); | |
60 EXPECT_TRUE(expecting_error_); | |
61 } | |
62 | |
63 void RunMessageLoop() { | |
64 run_loop_.reset(new base::RunLoop); | |
65 run_loop_->Run(); | |
66 } | |
67 | |
68 void StopMessageLoop() { | |
69 ASSERT_TRUE(run_loop_); | |
70 message_loop_.task_runner()->PostTask(FROM_HERE, run_loop_->QuitClosure()); | |
71 } | |
72 | |
73 void OnGotInfo(serial::ConnectionInfoPtr options) { | |
74 connected_ = true; | |
75 StopMessageLoop(); | |
76 } | |
77 | |
78 scoped_refptr<SerialIoHandler> ReturnIoHandler() { return io_handler_; } | |
79 | |
80 void RunConnectTest(const std::string& path, bool expecting_success) { | |
81 if (!io_handler_.get()) | |
82 io_handler_ = new TestSerialIoHandler; | |
83 mojo::InterfacePtr<serial::SerialService> service; | |
84 mojo::MakeStrongBinding( | |
85 base::MakeUnique<SerialServiceImpl>( | |
86 new SerialConnectionFactory( | |
87 base::Bind(&SerialServiceTest::ReturnIoHandler, | |
88 base::Unretained(this)), | |
89 base::ThreadTaskRunnerHandle::Get()), | |
90 base::MakeUnique<FakeSerialDeviceEnumerator>()), | |
91 mojo::MakeRequest(&service)); | |
92 mojo::InterfacePtr<serial::Connection> connection; | |
93 mojo::InterfacePtr<serial::DataSink> sink; | |
94 mojo::InterfacePtr<serial::DataSource> source; | |
95 mojo::InterfacePtr<serial::DataSourceClient> source_client; | |
96 mojo::MakeRequest(&source_client); | |
97 service->Connect(path, serial::ConnectionOptions::New(), | |
98 mojo::MakeRequest(&connection), mojo::MakeRequest(&sink), | |
99 mojo::MakeRequest(&source), std::move(source_client)); | |
100 connection.set_connection_error_handler(base::Bind( | |
101 &SerialServiceTest::OnConnectionError, base::Unretained(this))); | |
102 expecting_error_ = !expecting_success; | |
103 connection->GetInfo( | |
104 base::Bind(&SerialServiceTest::OnGotInfo, base::Unretained(this))); | |
105 RunMessageLoop(); | |
106 EXPECT_EQ(!expecting_success, connection.encountered_error()); | |
107 EXPECT_EQ(expecting_success, connected_); | |
108 connection.reset(); | |
109 } | |
110 | |
111 base::MessageLoop message_loop_; | |
112 std::unique_ptr<base::RunLoop> run_loop_; | |
113 std::vector<serial::DeviceInfoPtr> devices_; | |
114 scoped_refptr<TestSerialIoHandler> io_handler_; | |
115 bool connected_; | |
116 bool expecting_error_; | |
117 serial::ConnectionInfoPtr info_; | |
118 | |
119 private: | |
120 DISALLOW_COPY_AND_ASSIGN(SerialServiceTest); | |
121 }; | |
122 | |
123 TEST_F(SerialServiceTest, GetDevices) { | |
124 mojo::InterfacePtr<serial::SerialService> service; | |
125 SerialServiceImpl::Create(NULL, NULL, mojo::MakeRequest(&service)); | |
126 service.set_connection_error_handler(base::Bind( | |
127 &SerialServiceTest::OnConnectionError, base::Unretained(this))); | |
128 std::vector<serial::DeviceInfoPtr> result; | |
129 service->GetDevices( | |
130 base::Bind(&SerialServiceTest::StoreDevices, base::Unretained(this))); | |
131 RunMessageLoop(); | |
132 | |
133 // Because we're running on unknown hardware, only check that we received a | |
134 // non-null result. | |
135 EXPECT_TRUE(devices_); | |
136 } | |
137 | |
138 TEST_F(SerialServiceTest, Connect) { | |
139 RunConnectTest("device", true); | |
140 } | |
141 | |
142 TEST_F(SerialServiceTest, ConnectInvalidPath) { | |
143 RunConnectTest("invalid_path", false); | |
144 } | |
145 | |
146 TEST_F(SerialServiceTest, ConnectOpenFailed) { | |
147 io_handler_ = new FailToOpenIoHandler; | |
148 RunConnectTest("device", false); | |
149 } | |
150 | |
151 } // namespace device | |
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