Mercurial > hg > SpringPlayground

annotate spring-di-playground/src/test/java/de/comline/spring/ConfigurationTest.java @ 2:856e646efa17

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Weg von der one-size-fits-all @EnableAutoConfiugration hin zu einer bewussten Auswahl von auto config Klassen
author Dirk Olmes <dirk.olmes@codedo.de>
date Thu, 13 Aug 2020 14:16:13 +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.is;
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5 import static org.junit.jupiter.api.Assertions.assertThrows;
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6 import static org.junit.jupiter.api.Assertions.fail;
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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.annotation.AnnotationConfigApplicationContext;
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12 import org.springframework.context.annotation.Bean;
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13 import org.springframework.context.annotation.Configuration;
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15 import de.comline.spring.model.ActionMovieCatalog;
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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 ConfigurationTest {
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20 @Test
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21 @DisplayName("Explicit bean configuration")
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22 public void beansInConfiguration() {
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23 try (AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext(BeansConfiguration.class)) {
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24 MovieCatalog catalog = context.getBean(MovieCatalog.class);
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25 assertThat(catalog.getCategory(), is("Comedy"));
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26 }
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27 }
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29 @Test
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30 @DisplayName("Duplicate beans can be registered")
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31 public void duplicateBeansInConfiguration() {
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32 try (AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext(DuplicateBeansConfiguration.class)) {
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33 assertThrows(NoUniqueBeanDefinitionException.class, () -> {
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34 context.getBean(MovieCatalog.class);
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35 fail("Configuration scanning must have detected both implementations of the MovieCatalog interface");
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36 });
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37 }
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38 }
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39
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40 @Configuration
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41 private static class BeansConfiguration {
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42 BeansConfiguration() {
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43 super();
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44 }
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45
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46 @Bean
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47 MovieCatalog defineMovieCatalog() {
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48 return new ComedyMovieCatalog();
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49 }
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50 }
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51
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52 @Configuration
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53 private static class DuplicateBeansConfiguration extends BeansConfiguration {
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54 @SuppressWarnings("unused")
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55 DuplicateBeansConfiguration() {
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56 super();
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57 }
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58
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59 @Bean
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60 MovieCatalog duplicateMovieCatalog() {
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61 return new ActionMovieCatalog();
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62 }
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63 }
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64 }