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      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 "chrome/browser/chromeos/dbus/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   virtual void SetUp() {
     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     CrosDBusService::InitializeForTesting(
     68         mock_bus_.get(), mock_proxy_resolution_service_provider);
     69   }
     70 
     71   virtual void TearDown() {
     72     // Shutdown the cros service.
     73     CrosDBusService::Shutdown();
     74 
     75     // Shutdown the bus.
     76     mock_bus_->ShutdownAndBlock();
     77   }
     78 
     79  protected:
     80   scoped_refptr<dbus::MockBus> mock_bus_;
     81   scoped_refptr<dbus::MockExportedObject> mock_exported_object_;
     82 };
     83 
     84 TEST_F(CrosDBusServiceTest, Start) {
     85   // Simply start the service and see if mock expectations are met:
     86   // - The service object is exported by GetExportedObject()
     87   // - The proxy resolution service is started.
     88 }
     89 
     90 }  // namespace chromeos
     91