chromeos/dbus/modem_messaging_client_unittest.cc

   1 // Copyright (c) 2012 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 "chromeos/dbus/modem_messaging_client.h"
   6
   7 #include "base/bind.h"
   8 #include "base/message_loop/message_loop.h"
   9 #include "base/values.h"
  10 #include "dbus/message.h"
  11 #include "dbus/mock_bus.h"
  12 #include "dbus/mock_object_proxy.h"
  13 #include "dbus/object_path.h"
  14 #include "dbus/values_util.h"
  15 #include "testing/gmock/include/gmock/gmock.h"
  16 #include "testing/gtest/include/gtest/gtest.h"
  17 #include "third_party/cros_system_api/dbus/service_constants.h"
  18
  19 using ::testing::_;
  20 using ::testing::Invoke;
  21 using ::testing::Return;
  22
  23 namespace chromeos {
  24
  25 namespace {
  26
  27 // A mock SmsReceivedHandler.
  28 class MockSmsReceivedHandler {
  29  public:
  30   MOCK_METHOD2(Run, void(const dbus::ObjectPath &sms, bool complete));
  31 };
  32
  33 // A mock DeleteCallback.
  34 class MockDeleteCallback {
  35  public:
  36   MOCK_METHOD0(Run, void());
  37 };
  38
  39 // A mock ListCallback.
  40 class MockListCallback {
  41  public:
  42   MOCK_METHOD1(Run, void(const std::vector<dbus::ObjectPath>& result));
  43 };
  44
  45 // D-Bus service name used by test.
  46 const char kServiceName[] = "service.name";
  47 // D-Bus object path used by test.
  48 const char kObjectPath[] = "/object/path";
  49
  50 }  // namespace
  51
  52 class ModemMessagingClientTest : public testing::Test {
  53  public:
  54   ModemMessagingClientTest() : response_(NULL),
  55                                expected_result_(NULL) {}
  56
  57   void SetUp() override {
  58     // Create a mock bus.
  59     dbus::Bus::Options options;
  60     options.bus_type = dbus::Bus::SYSTEM;
  61     mock_bus_ = new dbus::MockBus(options);
  62
  63     // Create a mock proxy.
  64     mock_proxy_ = new dbus::MockObjectProxy(mock_bus_.get(),
  65                                             kServiceName,
  66                                             dbus::ObjectPath(kObjectPath));
  67
  68     // Set an expectation so mock_proxy's ConnectToSignal() will use
  69     // OnConnectToSignal() to run the callback.
  70     EXPECT_CALL(*mock_proxy_.get(),
  71                 ConnectToSignal(modemmanager::kModemManager1MessagingInterface,
  72                                 modemmanager::kSMSAddedSignal,
  73                                 _,
  74                                 _))
  75         .WillRepeatedly(
  76              Invoke(this, &ModemMessagingClientTest::OnConnectToSignal));
  77
  78     // Set an expectation so mock_bus's GetObjectProxy() for the given
  79     // service name and the object path will return mock_proxy_.
  80     EXPECT_CALL(*mock_bus_.get(),
  81                 GetObjectProxy(kServiceName, dbus::ObjectPath(kObjectPath)))
  82         .WillOnce(Return(mock_proxy_.get()));
  83
  84     // ShutdownAndBlock() will be called in TearDown().
  85     EXPECT_CALL(*mock_bus_.get(), ShutdownAndBlock()).WillOnce(Return());
  86
  87     // Create a client with the mock bus.
  88     client_.reset(ModemMessagingClient::Create());
  89     client_->Init(mock_bus_.get());
  90   }
  91
  92   void TearDown() override { mock_bus_->ShutdownAndBlock(); }
  93
  94   // Handles Delete method call.
  95   void OnDelete(dbus::MethodCall* method_call,
  96                 int timeout_ms,
  97                 const dbus::ObjectProxy::ResponseCallback& callback) {
  98     EXPECT_EQ(modemmanager::kModemManager1MessagingInterface,
  99               method_call->GetInterface());
 100     EXPECT_EQ(modemmanager::kSMSDeleteFunction, method_call->GetMember());
 101     dbus::ObjectPath sms_path;
 102     dbus::MessageReader reader(method_call);
 103     EXPECT_TRUE(reader.PopObjectPath(&sms_path));
 104     EXPECT_EQ(expected_sms_path_, sms_path);
 105     EXPECT_FALSE(reader.HasMoreData());
 106
 107     message_loop_.PostTask(FROM_HERE, base::Bind(callback, response_));
 108   }
 109
 110   // Handles List method call.
 111   void OnList(dbus::MethodCall* method_call,
 112               int timeout_ms,
 113               const dbus::ObjectProxy::ResponseCallback& callback) {
 114     EXPECT_EQ(modemmanager::kModemManager1MessagingInterface,
 115               method_call->GetInterface());
 116     EXPECT_EQ(modemmanager::kSMSListFunction, method_call->GetMember());
 117     dbus::MessageReader reader(method_call);
 118     EXPECT_FALSE(reader.HasMoreData());
 119
 120     message_loop_.PostTask(FROM_HERE, base::Bind(callback, response_));
 121   }
 122
 123   // Checks the results of List.
 124   void CheckResult(const std::vector<dbus::ObjectPath>& result) {
 125     EXPECT_EQ(result, *expected_result_);
 126   }
 127
 128  protected:
 129   // The client to be tested.
 130   scoped_ptr<ModemMessagingClient> client_;
 131   // A message loop to emulate asynchronous behavior.
 132   base::MessageLoop message_loop_;
 133   // The mock bus.
 134   scoped_refptr<dbus::MockBus> mock_bus_;
 135   // The mock object proxy.
 136   scoped_refptr<dbus::MockObjectProxy> mock_proxy_;
 137   // The SmsReceived signal handler given by the tested client.
 138   dbus::ObjectProxy::SignalCallback sms_received_callback_;
 139   // Expected argument for Delete method.
 140   dbus::ObjectPath expected_sms_path_;
 141   // Response returned by mock methods.
 142   dbus::Response* response_;
 143   // Expected result of List method.
 144   std::vector<dbus::ObjectPath>* expected_result_;
 145
 146  private:
 147   // Used to implement the mock proxy.
 148   void OnConnectToSignal(
 149       const std::string& interface_name,
 150       const std::string& signal_name,
 151       const dbus::ObjectProxy::SignalCallback& signal_callback,
 152       const dbus::ObjectProxy::OnConnectedCallback& on_connected_callback) {
 153     sms_received_callback_ = signal_callback;
 154     const bool success = true;
 155     message_loop_.PostTask(FROM_HERE, base::Bind(on_connected_callback,
 156                                                  interface_name,
 157                                                  signal_name,
 158                                                  success));
 159   }
 160 };
 161
 162 TEST_F(ModemMessagingClientTest, SmsReceived) {
 163   // Set expectations.
 164   const dbus::ObjectPath kSmsPath("/SMS/0");
 165   const bool kComplete = true;
 166   MockSmsReceivedHandler handler;
 167   EXPECT_CALL(handler, Run(kSmsPath, kComplete)).Times(1);
 168   // Set handler.
 169   client_->SetSmsReceivedHandler(kServiceName, dbus::ObjectPath(kObjectPath),
 170                                  base::Bind(&MockSmsReceivedHandler::Run,
 171                                             base::Unretained(&handler)));
 172
 173   // Run the message loop to run the signal connection result callback.
 174   message_loop_.RunUntilIdle();
 175
 176   // Send signal.
 177   dbus::Signal signal(modemmanager::kModemManager1MessagingInterface,
 178                       modemmanager::kSMSAddedSignal);
 179   dbus::MessageWriter writer(&signal);
 180   writer.AppendObjectPath(kSmsPath);
 181   writer.AppendBool(kComplete);
 182   ASSERT_FALSE(sms_received_callback_.is_null());
 183   sms_received_callback_.Run(&signal);
 184   // Reset handler.
 185   client_->ResetSmsReceivedHandler(kServiceName, dbus::ObjectPath(kObjectPath));
 186   // Send signal again.
 187   sms_received_callback_.Run(&signal);
 188 }
 189
 190 TEST_F(ModemMessagingClientTest, Delete) {
 191   // Set expectations.
 192   const dbus::ObjectPath kSmsPath("/SMS/0");
 193   expected_sms_path_ = kSmsPath;
 194   EXPECT_CALL(*mock_proxy_.get(), CallMethod(_, _, _))
 195       .WillOnce(Invoke(this, &ModemMessagingClientTest::OnDelete));
 196   MockDeleteCallback callback;
 197   EXPECT_CALL(callback, Run()).Times(1);
 198   // Create response.
 199   scoped_ptr<dbus::Response> response(dbus::Response::CreateEmpty());
 200   response_ = response.get();
 201   // Call Delete.
 202   client_->Delete(kServiceName, dbus::ObjectPath(kObjectPath), kSmsPath,
 203                   base::Bind(&MockDeleteCallback::Run,
 204                              base::Unretained(&callback)));
 205
 206   // Run the message loop.
 207   message_loop_.RunUntilIdle();
 208 }
 209
 210 TEST_F(ModemMessagingClientTest, List) {
 211   // Set expectations.
 212   EXPECT_CALL(*mock_proxy_.get(), CallMethod(_, _, _))
 213       .WillOnce(Invoke(this, &ModemMessagingClientTest::OnList));
 214   MockListCallback callback;
 215   EXPECT_CALL(callback, Run(_))
 216       .WillOnce(Invoke(this, &ModemMessagingClientTest::CheckResult));
 217   // Create response.
 218   scoped_ptr<dbus::Response> response(dbus::Response::CreateEmpty());
 219   dbus::ObjectPath path1("/SMS/1");
 220   dbus::ObjectPath path2("/SMS/2");
 221   std::vector<dbus::ObjectPath> expected_result;
 222   expected_result.push_back(path1);
 223   expected_result.push_back(path2);
 224
 225   dbus::MessageWriter writer(response.get());
 226   writer.AppendArrayOfObjectPaths(expected_result);
 227   response_ = response.get();
 228
 229   // Save expected result.
 230   expected_result_ = &expected_result;
 231   // Call List.
 232   client_->List(kServiceName, dbus::ObjectPath(kObjectPath),
 233                 base::Bind(&MockListCallback::Run,
 234                            base::Unretained(&callback)));
 235
 236   // Run the message loop.
 237   message_loop_.RunUntilIdle();
 238 }
 239
 240 }  // namespace chromeos