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Added tests for model-view-controller pattern
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‎model-view-controller/pom.xml‎

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<artifactId>junit</artifactId>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.mockito</groupId>
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<artifactId>mockito-core</artifactId>
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<scope>test</scope>
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</dependency>
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</dependencies>
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</project>

‎model-view-controller/src/test/java/com/iluwatar/model/view/controller/GiantControllerTest.java‎

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package com.iluwatar.model.view.controller;
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import org.junit.Test;
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import static org.mockito.Mockito.mock;
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import static org.mockito.Mockito.verify;
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import static org.mockito.Mockito.verifyNoMoreInteractions;
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import static org.mockito.Mockito.verifyZeroInteractions;
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/**
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* Date: 12/20/15 - 2:19 PM
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*
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* @author Jeroen Meulemeester
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*/
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public class GiantControllerTest {
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/**
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* Verify if the controller passes the health level through to the model and vice versa
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*/
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@Test
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public void testSetHealth() {
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final GiantModel model = mock(GiantModel.class);
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final GiantView view = mock(GiantView.class);
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final GiantController controller = new GiantController(model, view);
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verifyZeroInteractions(model, view);
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for (final Health health : Health.values()) {
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controller.setHealth(health);
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verify(model).setHealth(health);
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verifyZeroInteractions(view);
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}
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controller.getHealth();
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verify(model).getHealth();
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verifyNoMoreInteractions(model, view);
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}
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/**
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* Verify if the controller passes the fatigue level through to the model and vice versa
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*/
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@Test
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public void testSetFatigue() {
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final GiantModel model = mock(GiantModel.class);
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final GiantView view = mock(GiantView.class);
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final GiantController controller = new GiantController(model, view);
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verifyZeroInteractions(model, view);
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for (final Fatigue fatigue : Fatigue.values()) {
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controller.setFatigue(fatigue);
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verify(model).setFatigue(fatigue);
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verifyZeroInteractions(view);
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}
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controller.getFatigue();
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verify(model).getFatigue();
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verifyNoMoreInteractions(model, view);
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}
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/**
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* Verify if the controller passes the nourishment level through to the model and vice versa
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*/
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@Test
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public void testSetNourishment() {
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final GiantModel model = mock(GiantModel.class);
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final GiantView view = mock(GiantView.class);
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final GiantController controller = new GiantController(model, view);
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verifyZeroInteractions(model, view);
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for (final Nourishment nourishment : Nourishment.values()) {
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controller.setNourishment(nourishment);
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verify(model).setNourishment(nourishment);
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verifyZeroInteractions(view);
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}
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controller.getNourishment();
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verify(model).getNourishment();
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verifyNoMoreInteractions(model, view);
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}
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@Test
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public void testUpdateView() {
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final GiantModel model = mock(GiantModel.class);
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final GiantView view = mock(GiantView.class);
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final GiantController controller = new GiantController(model, view);
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verifyZeroInteractions(model, view);
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controller.updateView();
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verify(view).displayGiant(model);
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verifyNoMoreInteractions(model, view);
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}
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}

‎model-view-controller/src/test/java/com/iluwatar/model/view/controller/GiantModelTest.java‎

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package com.iluwatar.model.view.controller;
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import org.junit.Test;
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import static org.junit.Assert.assertEquals;
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/**
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* Date: 12/20/15 - 2:10 PM
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*
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* @author Jeroen Meulemeester
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*/
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public class GiantModelTest {
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/**
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* Verify if the health value is set properly though the constructor and setter
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*/
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@Test
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public void testSetHealth() {
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final GiantModel model = new GiantModel(Health.HEALTHY, Fatigue.ALERT, Nourishment.SATURATED);
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assertEquals(Health.HEALTHY, model.getHealth());
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for (final Health health : Health.values()) {
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model.setHealth(health);
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assertEquals(health, model.getHealth());
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assertEquals("The giant looks " + health.toString() + ", alert and saturated.", model.toString());
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}
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}
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/**
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* Verify if the fatigue level is set properly though the constructor and setter
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*/
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@Test
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public void testSetFatigue() {
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final GiantModel model = new GiantModel(Health.HEALTHY, Fatigue.ALERT, Nourishment.SATURATED);
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assertEquals(Fatigue.ALERT, model.getFatigue());
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for (final Fatigue fatigue : Fatigue.values()) {
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model.setFatigue(fatigue);
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assertEquals(fatigue, model.getFatigue());
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assertEquals("The giant looks healthy, " + fatigue.toString() + " and saturated.", model.toString());
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}
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}
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/**
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* Verify if the nourishment level is set properly though the constructor and setter
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*/
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@Test
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public void testSetNourishment() {
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final GiantModel model = new GiantModel(Health.HEALTHY, Fatigue.ALERT, Nourishment.SATURATED);
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assertEquals(Nourishment.SATURATED, model.getNourishment());
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for (final Nourishment nourishment : Nourishment.values()) {
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model.setNourishment(nourishment);
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assertEquals(nourishment, model.getNourishment());
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assertEquals("The giant looks healthy, alert and " + nourishment.toString() + ".", model.toString());
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}
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}
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}

‎model-view-controller/src/test/java/com/iluwatar/model/view/controller/GiantViewTest.java‎

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package com.iluwatar.model.view.controller;
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import org.junit.After;
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import org.junit.Before;
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import org.junit.Test;
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import java.io.PrintStream;
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import static org.mockito.Mockito.mock;
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import static org.mockito.Mockito.verify;
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import static org.mockito.Mockito.verifyNoMoreInteractions;
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/**
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* Date: 12/20/15 - 2:04 PM
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*
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* @author Jeroen Meulemeester
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*/
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public class GiantViewTest {
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/**
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* The mocked standard out {@link PrintStream}, required since the actions of the views don't have
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* any influence on any other accessible objects, except for writing to std-out using {@link
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* System#out}
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*/
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private final PrintStream stdOutMock = mock(PrintStream.class);
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/**
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* Keep the original std-out so it can be restored after the test
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*/
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private final PrintStream stdOutOrig = System.out;
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/**
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* Inject the mocked std-out {@link PrintStream} into the {@link System} class before each test
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*/
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@Before
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public void setUp() {
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System.setOut(this.stdOutMock);
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}
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/**
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* Removed the mocked std-out {@link PrintStream} again from the {@link System} class
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*/
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@After
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public void tearDown() {
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System.setOut(this.stdOutOrig);
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}
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/**
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* Verify if the {@link GiantView} does what it has to do: Print the {@link GiantModel} to the
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* standard out stream, nothing more, nothing less.
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*/
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@Test
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public void testDisplayGiant() {
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final GiantView view = new GiantView();
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final GiantModel model = mock(GiantModel.class);
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view.displayGiant(model);
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verify(this.stdOutMock).println(model);
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verifyNoMoreInteractions(model, this.stdOutMock);
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}
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}

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