chromeos/dbus/services/cros_dbus_service_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/services/cros_dbus_service.h"
   6
   7 #include "base/bind.h"
   8 #include "base/logging.h"
   9 #include "base/memory/ref_counted.h"
  10 #include "dbus/message.h"
  11 #include "dbus/mock_bus.h"
  12 #include "dbus/mock_exported_object.h"
  13 #include "dbus/mock_object_proxy.h"
  14 #include "dbus/object_path.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::Eq;
  20 using ::testing::Invoke;
  21 using ::testing::Return;
  22
  23 namespace chromeos {
  24
  25 class MockProxyResolutionService
  26     : public CrosDBusService::ServiceProviderInterface {
  27  public:
  28   MOCK_METHOD1(Start, void(scoped_refptr<dbus::ExportedObject>
  29                            exported_object));
  30 };
  31
  32 class CrosDBusServiceTest : public testing::Test {
  33  public:
  34   CrosDBusServiceTest() {
  35   }
  36
  37   // Creates an instance of CrosDBusService with mocks injected.
  38   void SetUp() override {
  39     // Create a mock bus.
  40     dbus::Bus::Options options;
  41     options.bus_type = dbus::Bus::SYSTEM;
  42     mock_bus_ = new dbus::MockBus(options);
  43
  44     // ShutdownAndBlock() will be called in TearDown().
  45     EXPECT_CALL(*mock_bus_.get(), ShutdownAndBlock()).WillOnce(Return());
  46
  47     // Create a mock exported object that behaves as
  48     // org.chromium.CrosDBusService.
  49     mock_exported_object_ =
  50         new dbus::MockExportedObject(mock_bus_.get(),
  51                                      dbus::ObjectPath(kLibCrosServicePath));
  52
  53     // |mock_bus_|'s GetExportedObject() will return mock_exported_object_|
  54     // for the given service name and the object path.
  55     EXPECT_CALL(*mock_bus_.get(),
  56                 GetExportedObject(dbus::ObjectPath(kLibCrosServicePath)))
  57         .WillOnce(Return(mock_exported_object_.get()));
  58
  59     // Create a mock proxy resolution service.
  60     MockProxyResolutionService* mock_proxy_resolution_service_provider =
  61         new MockProxyResolutionService;
  62
  63     // Start() will be called with |mock_exported_object_|.
  64     EXPECT_CALL(*mock_proxy_resolution_service_provider,
  65                 Start(Eq(mock_exported_object_))).WillOnce(Return());
  66     // Initialize the cros service with the mocks injected.
  67     ScopedVector<CrosDBusService::ServiceProviderInterface> service_providers;
  68     service_providers.push_back(mock_proxy_resolution_service_provider);
  69     CrosDBusService::InitializeForTesting(
  70         mock_bus_.get(), service_providers.Pass());
  71   }
  72
  73   void TearDown() override {
  74     // Shutdown the cros service.
  75     CrosDBusService::Shutdown();
  76
  77     // Shutdown the bus.
  78     mock_bus_->ShutdownAndBlock();
  79   }
  80
  81  protected:
  82   scoped_refptr<dbus::MockBus> mock_bus_;
  83   scoped_refptr<dbus::MockExportedObject> mock_exported_object_;
  84 };
  85
  86 TEST_F(CrosDBusServiceTest, Start) {
  87   // Simply start the service and see if mock expectations are met:
  88   // - The service object is exported by GetExportedObject()
  89   // - The proxy resolution service is started.
  90 }
  91
  92 }  // namespace chromeos