mirror of
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158 lines
5.2 KiB
C++
158 lines
5.2 KiB
C++
/*
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* EventBusTest.cpp, part of VCMI engine
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*
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* Authors: listed in file AUTHORS in main folder
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*
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* License: GNU General Public License v2.0 or later
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* Full text of license available in license.txt file, in main folder
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*
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*/
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#include "StdInc.h"
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#include <vcmi/events/Event.h>
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#include <vcmi/events/EventBus.h>
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namespace test
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{
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using namespace ::testing;
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using namespace ::events;
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class EventExample : public Event
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{
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public:
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using PreHandler = SubscriptionRegistry<EventExample>::PreHandler;
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using PostHandler = SubscriptionRegistry<EventExample>::PostHandler;
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using ExecHandler = SubscriptionRegistry<EventExample>::ExecHandler;
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MOCK_CONST_METHOD0(isEnabled, bool());
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public:
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static SubscriptionRegistry<EventExample> * getRegistry()
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{
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static std::unique_ptr<SubscriptionRegistry<EventExample>> Instance = std::make_unique<SubscriptionRegistry<EventExample>>();
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return Instance.get();
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}
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friend class SubscriptionRegistry<EventExample>;
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};
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class ListenerMock
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{
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public:
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MOCK_METHOD1(beforeEvent, void(EventExample &));
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MOCK_METHOD1(onEvent, void(EventExample &));
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MOCK_METHOD1(afterEvent, void(const EventExample &));
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};
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class EventBusTest : public Test
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{
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public:
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EventExample event1;
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EventExample event2;
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EventBus subject1;
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EventBus subject2;
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StrictMock<ListenerMock> listener;
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StrictMock<ListenerMock> listener1;
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StrictMock<ListenerMock> listener2;
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};
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TEST_F(EventBusTest, ExecuteNoListeners)
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{
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EXPECT_CALL(event1, isEnabled()).WillRepeatedly(Return(true));
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subject1.executeEvent(event1);
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}
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TEST_F(EventBusTest, ExecuteNoListenersWithHandler)
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{
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EXPECT_CALL(event1, isEnabled()).WillRepeatedly(Return(true));
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EXPECT_CALL(listener, onEvent(Ref(event1))).Times(1);
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subject1.executeEvent(event1, std::bind(&ListenerMock::onEvent, &listener, _1));
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}
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TEST_F(EventBusTest, ExecuteIgnoredSubscription)
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{
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EXPECT_CALL(event1, isEnabled()).WillRepeatedly(Return(true));
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subject1.subscribeBefore<EventExample>(std::bind(&ListenerMock::beforeEvent, &listener, _1));
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subject1.subscribeAfter<EventExample>(std::bind(&ListenerMock::afterEvent, &listener, _1));
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EXPECT_CALL(listener, beforeEvent(_)).Times(0);
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EXPECT_CALL(listener, afterEvent(_)).Times(0);
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subject1.executeEvent(event1);
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}
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TEST_F(EventBusTest, ExecuteSequence)
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{
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EXPECT_CALL(event1, isEnabled()).WillRepeatedly(Return(true));
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auto subscription1 = subject1.subscribeBefore<EventExample>(std::bind(&ListenerMock::beforeEvent, &listener1, _1));
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auto subscription2 = subject1.subscribeAfter<EventExample>(std::bind(&ListenerMock::afterEvent, &listener1, _1));
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auto subscription3 = subject1.subscribeBefore<EventExample>(std::bind(&ListenerMock::beforeEvent, &listener2, _1));
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auto subscription4 = subject1.subscribeAfter<EventExample>(std::bind(&ListenerMock::afterEvent, &listener2, _1));
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{
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InSequence sequence;
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EXPECT_CALL(listener1, beforeEvent(Ref(event1))).Times(1);
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EXPECT_CALL(listener2, beforeEvent(Ref(event1))).Times(1);
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EXPECT_CALL(listener, onEvent(Ref(event1))).Times(1);
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EXPECT_CALL(listener1, afterEvent(Ref(event1))).Times(1);
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EXPECT_CALL(listener2, afterEvent(Ref(event1))).Times(1);
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}
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subject1.executeEvent(event1, std::bind(&ListenerMock::onEvent, &listener, _1));
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}
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TEST_F(EventBusTest, BusesAreIndependent)
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{
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EXPECT_CALL(event1, isEnabled()).WillRepeatedly(Return(true));
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auto subscription1 = subject1.subscribeBefore<EventExample>(std::bind(&ListenerMock::beforeEvent, &listener1, _1));
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auto subscription2 = subject1.subscribeAfter<EventExample>(std::bind(&ListenerMock::afterEvent, &listener1, _1));
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auto subscription3 = subject2.subscribeBefore<EventExample>(std::bind(&ListenerMock::beforeEvent, &listener2, _1));
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auto subscription4 = subject2.subscribeAfter<EventExample>(std::bind(&ListenerMock::afterEvent, &listener2, _1));
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EXPECT_CALL(listener1, beforeEvent(_)).Times(1);
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EXPECT_CALL(listener2, beforeEvent(_)).Times(0);
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EXPECT_CALL(listener1, afterEvent(_)).Times(1);
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EXPECT_CALL(listener2, afterEvent(_)).Times(0);
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subject1.executeEvent(event1);
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}
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TEST_F(EventBusTest, DisabledTestDontExecute)
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{
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EXPECT_CALL(event1, isEnabled()).Times(AtLeast(1)).WillRepeatedly(Return(false));
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EXPECT_CALL(listener, onEvent(Ref(event1))).Times(0);
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subject1.executeEvent(event1, std::bind(&ListenerMock::onEvent, &listener, _1));
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}
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TEST_F(EventBusTest, DisabledTestDontExecutePostHandler)
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{
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EXPECT_CALL(event1, isEnabled()).Times(AtLeast(1)).WillRepeatedly(Return(false));
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EXPECT_CALL(listener, onEvent(Ref(event1))).WillRepeatedly(Return());
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EXPECT_CALL(listener1, afterEvent(Ref(event1))).Times(0);
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auto subscription1 = subject1.subscribeAfter<EventExample>(std::bind(&ListenerMock::afterEvent, &listener1, _1));
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subject1.executeEvent(event1, std::bind(&ListenerMock::onEvent, &listener, _1));
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}
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TEST_F(EventBusTest, DisabledTestExecutePreHandler)
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{
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EXPECT_CALL(event1, isEnabled()).Times(AtLeast(1)).WillRepeatedly(Return(false));
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EXPECT_CALL(listener, onEvent(Ref(event1))).WillRepeatedly(Return());
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EXPECT_CALL(listener1, beforeEvent(Ref(event1))).Times(1);
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auto subscription1 = subject1.subscribeBefore<EventExample>(std::bind(&ListenerMock::beforeEvent, &listener1, _1));
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subject1.executeEvent(event1, std::bind(&ListenerMock::onEvent, &listener, _1));
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}
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//TODO: test sending event to destroyed event bus
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}
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