dbus/bus_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 "dbus/bus.h"
   6
   7 #include "base/bind.h"
   8 #include "base/message_loop.h"
   9 #include "base/memory/ref_counted.h"
  10 #include "base/threading/thread.h"
  11 #include "dbus/exported_object.h"
  12 #include "dbus/object_path.h"
  13 #include "dbus/object_proxy.h"
  14
  15 #include "testing/gtest/include/gtest/gtest.h"
  16
  17 namespace {
  18
  19 // Used to test AddFilterFunction().
  20 DBusHandlerResult DummyHandler(DBusConnection* connection,
  21                                DBusMessage* raw_message,
  22                                void* user_data) {
  23   return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
  24 }
  25
  26 }  // namespace
  27
  28 TEST(BusTest, GetObjectProxy) {
  29   dbus::Bus::Options options;
  30   scoped_refptr<dbus::Bus> bus = new dbus::Bus(options);
  31
  32   dbus::ObjectProxy* object_proxy1 =
  33       bus->GetObjectProxy("org.chromium.TestService",
  34                           dbus::ObjectPath("/org/chromium/TestObject"));
  35   ASSERT_TRUE(object_proxy1);
  36
  37   // This should return the same object.
  38   dbus::ObjectProxy* object_proxy2 =
  39       bus->GetObjectProxy("org.chromium.TestService",
  40                           dbus::ObjectPath("/org/chromium/TestObject"));
  41   ASSERT_TRUE(object_proxy2);
  42   EXPECT_EQ(object_proxy1, object_proxy2);
  43
  44   // This should not.
  45   dbus::ObjectProxy* object_proxy3 =
  46       bus->GetObjectProxy(
  47           "org.chromium.TestService",
  48           dbus::ObjectPath("/org/chromium/DifferentTestObject"));
  49   ASSERT_TRUE(object_proxy3);
  50   EXPECT_NE(object_proxy1, object_proxy3);
  51
  52   bus->ShutdownAndBlock();
  53 }
  54
  55 TEST(BusTest, GetObjectProxyIgnoreUnknownService) {
  56   dbus::Bus::Options options;
  57   scoped_refptr<dbus::Bus> bus = new dbus::Bus(options);
  58
  59   dbus::ObjectProxy* object_proxy1 =
  60       bus->GetObjectProxyWithOptions(
  61           "org.chromium.TestService",
  62           dbus::ObjectPath("/org/chromium/TestObject"),
  63           dbus::ObjectProxy::IGNORE_SERVICE_UNKNOWN_ERRORS);
  64   ASSERT_TRUE(object_proxy1);
  65
  66   // This should return the same object.
  67   dbus::ObjectProxy* object_proxy2 =
  68       bus->GetObjectProxyWithOptions(
  69           "org.chromium.TestService",
  70           dbus::ObjectPath("/org/chromium/TestObject"),
  71           dbus::ObjectProxy::IGNORE_SERVICE_UNKNOWN_ERRORS);
  72   ASSERT_TRUE(object_proxy2);
  73   EXPECT_EQ(object_proxy1, object_proxy2);
  74
  75   // This should not.
  76   dbus::ObjectProxy* object_proxy3 =
  77       bus->GetObjectProxyWithOptions(
  78           "org.chromium.TestService",
  79           dbus::ObjectPath("/org/chromium/DifferentTestObject"),
  80           dbus::ObjectProxy::IGNORE_SERVICE_UNKNOWN_ERRORS);
  81   ASSERT_TRUE(object_proxy3);
  82   EXPECT_NE(object_proxy1, object_proxy3);
  83
  84   bus->ShutdownAndBlock();
  85 }
  86
  87 TEST(BusTest, GetExportedObject) {
  88   dbus::Bus::Options options;
  89   scoped_refptr<dbus::Bus> bus = new dbus::Bus(options);
  90
  91   dbus::ExportedObject* object_proxy1 =
  92       bus->GetExportedObject(dbus::ObjectPath("/org/chromium/TestObject"));
  93   ASSERT_TRUE(object_proxy1);
  94
  95   // This should return the same object.
  96   dbus::ExportedObject* object_proxy2 =
  97       bus->GetExportedObject(dbus::ObjectPath("/org/chromium/TestObject"));
  98   ASSERT_TRUE(object_proxy2);
  99   EXPECT_EQ(object_proxy1, object_proxy2);
 100
 101   // This should not.
 102   dbus::ExportedObject* object_proxy3 =
 103       bus->GetExportedObject(
 104           dbus::ObjectPath("/org/chromium/DifferentTestObject"));
 105   ASSERT_TRUE(object_proxy3);
 106   EXPECT_NE(object_proxy1, object_proxy3);
 107
 108   bus->ShutdownAndBlock();
 109 }
 110
 111 // http://crbug.com/137846
 112 TEST(BusTest, FLAKY_UnregisterExportedObject) {
 113   // Start the D-Bus thread.
 114   base::Thread::Options thread_options;
 115   thread_options.message_loop_type = MessageLoop::TYPE_IO;
 116   base::Thread dbus_thread("D-Bus thread");
 117   dbus_thread.StartWithOptions(thread_options);
 118
 119   // Create the bus.
 120   dbus::Bus::Options options;
 121   options.dbus_thread_message_loop_proxy = dbus_thread.message_loop_proxy();
 122   scoped_refptr<dbus::Bus> bus = new dbus::Bus(options);
 123   ASSERT_FALSE(bus->shutdown_completed());
 124
 125   dbus::ExportedObject* object_proxy1 =
 126       bus->GetExportedObject(dbus::ObjectPath("/org/chromium/TestObject"));
 127   ASSERT_TRUE(object_proxy1);
 128
 129   bus->UnregisterExportedObject(dbus::ObjectPath("/org/chromium/TestObject"));
 130
 131   // This should return a new object.
 132   dbus::ExportedObject* object_proxy2 =
 133       bus->GetExportedObject(dbus::ObjectPath("/org/chromium/TestObject"));
 134   ASSERT_TRUE(object_proxy2);
 135   EXPECT_NE(object_proxy1, object_proxy2);
 136
 137   // Shut down synchronously.
 138   bus->ShutdownOnDBusThreadAndBlock();
 139   EXPECT_TRUE(bus->shutdown_completed());
 140   dbus_thread.Stop();
 141 }
 142
 143 TEST(BusTest, ShutdownAndBlock) {
 144   dbus::Bus::Options options;
 145   scoped_refptr<dbus::Bus> bus = new dbus::Bus(options);
 146   ASSERT_FALSE(bus->shutdown_completed());
 147
 148   // Shut down synchronously.
 149   bus->ShutdownAndBlock();
 150   EXPECT_TRUE(bus->shutdown_completed());
 151 }
 152
 153 TEST(BusTest, ShutdownAndBlockWithDBusThread) {
 154   // Start the D-Bus thread.
 155   base::Thread::Options thread_options;
 156   thread_options.message_loop_type = MessageLoop::TYPE_IO;
 157   base::Thread dbus_thread("D-Bus thread");
 158   dbus_thread.StartWithOptions(thread_options);
 159
 160   // Create the bus.
 161   dbus::Bus::Options options;
 162   options.dbus_thread_message_loop_proxy = dbus_thread.message_loop_proxy();
 163   scoped_refptr<dbus::Bus> bus = new dbus::Bus(options);
 164   ASSERT_FALSE(bus->shutdown_completed());
 165
 166   // Shut down synchronously.
 167   bus->ShutdownOnDBusThreadAndBlock();
 168   EXPECT_TRUE(bus->shutdown_completed());
 169   dbus_thread.Stop();
 170 }
 171
 172 TEST(BusTest, AddFilterFunction) {
 173   dbus::Bus::Options options;
 174   scoped_refptr<dbus::Bus> bus = new dbus::Bus(options);
 175   // Should connect before calling AddFilterFunction().
 176   bus->Connect();
 177
 178   int data1 = 100;
 179   int data2 = 200;
 180   ASSERT_TRUE(bus->AddFilterFunction(&DummyHandler, &data1));
 181   // Cannot add the same function with the same data.
 182   ASSERT_FALSE(bus->AddFilterFunction(&DummyHandler, &data1));
 183   // Can add the same function with different data.
 184   ASSERT_TRUE(bus->AddFilterFunction(&DummyHandler, &data2));
 185
 186   ASSERT_TRUE(bus->RemoveFilterFunction(&DummyHandler, &data1));
 187   ASSERT_FALSE(bus->RemoveFilterFunction(&DummyHandler, &data1));
 188   ASSERT_TRUE(bus->RemoveFilterFunction(&DummyHandler, &data2));
 189
 190   bus->ShutdownAndBlock();
 191 }