Mercurial > hg > orthanc-stone
view UnitTestsSources/TestMessageBroker.cpp @ 1442:11f291ac3ef5 legacy-loader-refactoring
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author | Benjamin Golinvaux <bgo@osimis.io> |
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date | Tue, 26 May 2020 10:11:49 +0200 |
parents | 7ec8fea061b9 |
children | 30deba7bc8e2 |
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/** * Stone of Orthanc * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics * Department, University Hospital of Liege, Belgium * Copyright (C) 2017-2020 Osimis S.A., Belgium * * This program is free software: you can redistribute it and/or * modify it under the terms of the GNU Affero General Public License * as published by the Free Software Foundation, either version 3 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. **/ #include "gtest/gtest.h" #include "Framework/Messages/IObservable.h" #include "Framework/Messages/ObserverBase.h" int testCounter = 0; namespace { using namespace OrthancStone; class MyObservable : public IObservable { public: struct MyCustomMessage : public IMessage { ORTHANC_STONE_MESSAGE(__FILE__, __LINE__); int payload_; MyCustomMessage(int payload) : payload_(payload) { } }; }; class MyObserver : public ObserverBase<MyObserver> { public: void HandleCompletedMessage(const MyObservable::MyCustomMessage& message) { testCounter += message.payload_; } }; } TEST(MessageBroker, TestPermanentConnectionSimpleUseCase) { MyObservable observable; boost::shared_ptr<MyObserver> observer(new MyObserver); // create a permanent connection between an observable and an observer observer->Register<MyObservable::MyCustomMessage>(observable, &MyObserver::HandleCompletedMessage); testCounter = 0; observable.BroadcastMessage(MyObservable::MyCustomMessage(12)); ASSERT_EQ(12, testCounter); // the connection is permanent; if we emit the same message again, the observer will be notified again testCounter = 0; observable.BroadcastMessage(MyObservable::MyCustomMessage(20)); ASSERT_EQ(20, testCounter); // Unregister the observer; make sure it's not called anymore observer.reset(); testCounter = 0; observable.BroadcastMessage(MyObservable::MyCustomMessage(20)); ASSERT_EQ(0, testCounter); } TEST(MessageBroker, TestPermanentConnectionDeleteObserver) { MyObservable observable; boost::shared_ptr<MyObserver> observer(new MyObserver); // create a permanent connection between an observable and an observer observer->Register<MyObservable::MyCustomMessage>(observable, &MyObserver::HandleCompletedMessage); testCounter = 0; observable.BroadcastMessage(MyObservable::MyCustomMessage(12)); ASSERT_EQ(12, testCounter); // delete the observer and check that the callback is not called anymore observer.reset(); // the connection is permanent; if we emit the same message again, the observer will be notified again testCounter = 0; observable.BroadcastMessage(MyObservable::MyCustomMessage(20)); ASSERT_EQ(0, testCounter); }