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/* |
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* @author : Jagepard <[email protected]> |
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* @license https://mit-license.org/ MIT |
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*/ |
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package Behavioral.Mediator; |
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import org.junit.jupiter.api.BeforeEach; |
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import org.junit.jupiter.api.Test; |
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import java.lang.reflect.InvocationTargetException; |
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import java.util.ArrayList; |
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import static org.junit.jupiter.api.Assertions.assertEquals; |
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class MediatorTest { |
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private HandlerInterface handler; |
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private MediatorInterface mediator; |
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@BeforeEach |
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void setUp() { |
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this.handler = new Handler(); |
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this.mediator = new Mediator(); |
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} |
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@Test |
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void testNotify() throws NoSuchMethodException, IllegalAccessException, InvocationTargetException { |
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AbstractListener listener1 = new Colleague1(); |
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AbstractListener listener2 = new Colleague2(); |
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AbstractListener listener3 = new Colleague3(); |
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this.mediator.addListener(listener1, "onEvent"); |
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this.mediator.addListener(listener2, "onEvent"); |
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this.mediator.addListener(listener3, "onEvent"); |
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ArrayList<String> result1 = handShake(handler, mediator, listener1, listener2); |
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ArrayList<String> result2 = handShake(handler, mediator, listener2, listener3); |
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ArrayList<String> result3 = handShake(handler, mediator, listener3, listener1); |
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assertEquals("Behavioral.Mediator.Colleague1: How are you Behavioral.Mediator.Colleague2?", result1.get(0)); |
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assertEquals("Behavioral.Mediator.Colleague2: Fine, thanks!", result1.get(1)); |
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assertEquals("Behavioral.Mediator.Colleague2: How are you Behavioral.Mediator.Colleague3?", result2.get(0)); |
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assertEquals("Behavioral.Mediator.Colleague3: Fine, thanks!", result2.get(1)); |
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assertEquals("Behavioral.Mediator.Colleague3: How are you Behavioral.Mediator.Colleague1?", result3.get(0)); |
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assertEquals("Behavioral.Mediator.Colleague1: Fine, thanks!", result3.get(1)); |
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} |
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private static ArrayList<String> handShake(HandlerInterface handler, MediatorInterface mediator, AbstractListener listener1, AbstractListener listener2) throws NoSuchMethodException, IllegalAccessException, InvocationTargetException { |
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return listener1.toGreet(listener2.getClass().getName(), mediator, handler); |
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} |
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} |
Jagepard /
JavaDesignPatterns-Mediator
