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annotate spring-di-playground/src/test/java/de/comline/spring/QualifierTest.java @ 16:4217059d40e8

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Test zum Empfang einer ganzen JMS Message, nicht nur der Payload
author Dirk Olmes <dirk.olmes@codedo.de>
date Thu, 10 Sep 2020 09:32:21 +0200
parents 64e2ebad3366
children
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64e2ebad3366 Import des plain Spring DI playground
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1 package de.comline.spring;
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2
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3 import static org.hamcrest.MatcherAssert.assertThat;
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4 import static org.hamcrest.Matchers.containsString;
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5 import static org.hamcrest.Matchers.is;
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6 import static org.junit.jupiter.api.Assertions.assertThrows;
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7
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8 import org.junit.jupiter.api.DisplayName;
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9 import org.junit.jupiter.api.Test;
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10 import org.springframework.beans.factory.NoUniqueBeanDefinitionException;
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11 import org.springframework.context.ConfigurableApplicationContext;
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12 import org.springframework.context.annotation.AnnotationConfigApplicationContext;
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13
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14 import de.comline.spring.model.ActionMovieCatalog;
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15 import de.comline.spring.model.ActionMovieLister;
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16 import de.comline.spring.model.ComedyMovieCatalog;
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17 import de.comline.spring.model.MovieCatalog;
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18
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19 public class QualifierTest {
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20 @Test
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21 @DisplayName("Requesting explicit interface type")
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22 public void explicitType() {
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23 try (ConfigurableApplicationContext context = new AnnotationConfigApplicationContext(ActionMovieCatalog.class, ComedyMovieCatalog.class)) {
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24 MovieCatalog action = context.getBean(ActionMovieCatalog.class);
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25 assertThat(action.getCategory(), is("Action"));
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26 }
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27 }
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29 @Test
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30 @DisplayName("Qualifier can be specified at source")
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31 public void qualifierAtSource() {
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32 // Note how we add multiple interface implementations to the context
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33 try (ConfigurableApplicationContext context = new AnnotationConfigApplicationContext(ActionMovieCatalog.class, ComedyMovieCatalog.class, ActionMovieLister.class)) {
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34 ActionMovieLister lister = context.getBean(ActionMovieLister.class);
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35 assertThat(lister.toString(), containsString("Action"));
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36 }
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37 }
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38
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39 @Test
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40 @DisplayName("Binding only a single interface implementation")
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41 public void singleImplementationOfInterface() {
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42 try (ConfigurableApplicationContext context = new AnnotationConfigApplicationContext(ComedyMovieCatalog.class)) {
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43 MovieCatalog catalog = context.getBean(MovieCatalog.class);
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44 assertThat(catalog.getCategory(), is("Comedy"));
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45 }
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46 }
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47
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48 @Test
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49 @DisplayName("Multiple implementations of the same interface cannot be injected")
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50 public void multipleInterfaceImplementations() {
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51 try (ConfigurableApplicationContext context = new AnnotationConfigApplicationContext(ActionMovieCatalog.class, ComedyMovieCatalog.class)) {
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52 assertThrows(NoUniqueBeanDefinitionException.class, () -> {
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53 context.getBean(MovieCatalog.class);
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54 });
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55 }
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56 }
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57 }