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Spring Import Annotation - initial commit (#9424) 

Co-authored-by: Gilvan Ornelas Fernandes Filho <gilvan.fernandes@bairesdev.com>
This commit is contained in:
GilvanOrnelas 2020-06-07 19:18:58 -03:00 committed by GitHub
parent 024874d9c8
commit aa5551bd9b
17 changed files with 251 additions and 0 deletions
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9
spring-core-4/src/main/java/com/baeldung/importannotation/animal/AnimalConfiguration.java Normal file
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package com.baeldung.importannotation.animal;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Import;
@Configuration
@Import({ MammalConfiguration.class, BirdConfig.class })
class AnimalConfiguration {
}

9
spring-core-4/src/main/java/com/baeldung/importannotation/animal/AnimalScanConfiguration.java Normal file
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package com.baeldung.importannotation.animal;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
@Configuration
@ComponentScan
public class AnimalScanConfiguration {
}

4
spring-core-4/src/main/java/com/baeldung/importannotation/animal/Bird.java Normal file
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package com.baeldung.importannotation.animal;
class Bird {
}

13
spring-core-4/src/main/java/com/baeldung/importannotation/animal/BirdConfig.java Normal file
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package com.baeldung.importannotation.animal;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
@Configuration
class BirdConfig {
@Bean
Bird bird() {
return new Bird();
}
}

7
spring-core-4/src/main/java/com/baeldung/importannotation/animal/Bug.java Normal file
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package com.baeldung.importannotation.animal;
import org.springframework.stereotype.Component;
@Component(value = "bug")
class Bug {
}

9
spring-core-4/src/main/java/com/baeldung/importannotation/animal/BugConfig.java Normal file
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package com.baeldung.importannotation.animal;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Import;
@Configuration
@Import(Bug.class)
class BugConfig {
}

4
spring-core-4/src/main/java/com/baeldung/importannotation/animal/Cat.java Normal file
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package com.baeldung.importannotation.animal;
class Cat {
}

13
spring-core-4/src/main/java/com/baeldung/importannotation/animal/CatConfig.java Normal file
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package com.baeldung.importannotation.animal;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
@Configuration
class CatConfig {
@Bean
Cat cat() {
return new Cat();
}
}

4
spring-core-4/src/main/java/com/baeldung/importannotation/animal/Dog.java Normal file
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package com.baeldung.importannotation.animal;
class Dog {
}

13
spring-core-4/src/main/java/com/baeldung/importannotation/animal/DogConfig.java Normal file
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package com.baeldung.importannotation.animal;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
@Configuration
class DogConfig {
@Bean
Dog dog() {
return new Dog();
}
}

9
spring-core-4/src/main/java/com/baeldung/importannotation/animal/MammalConfiguration.java Normal file
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package com.baeldung.importannotation.animal;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Import;
@Configuration
@Import({ DogConfig.class, CatConfig.class })
class MammalConfiguration {
}

11
spring-core-4/src/main/java/com/baeldung/importannotation/zoo/ZooApplication.java Normal file
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package com.baeldung.importannotation.zoo;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Import;
import com.baeldung.importannotation.animal.AnimalScanConfiguration;
@Configuration
@Import(AnimalScanConfiguration.class)
class ZooApplication {
}

31
spring-core-4/src/test/java/com/baeldung/importannotation/animal/AnimalConfigUnitTest.java Normal file
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package com.baeldung.importannotation.animal;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertTrue;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationContext;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit.jupiter.SpringExtension;
@ExtendWith(SpringExtension.class)
@ContextConfiguration(classes = { AnimalConfiguration.class })
class AnimalConfigUnitTest {
@Autowired
ApplicationContext context;
@Test
void givenImportedBeans_whenGettingEach_shallFindOnlyTheImportedBeans() {
assertThatBeanExists("dog", Dog.class);
assertThatBeanExists("cat", Cat.class);
assertThatBeanExists("bird", Cat.class);
}
private void assertThatBeanExists(String beanName, Class<?> beanClass) {
assertTrue(context.containsBean(beanName));
assertNotNull(context.getBean(beanClass));
}
}

25
spring-core-4/src/test/java/com/baeldung/importannotation/animal/BugConfigUnitTest.java Normal file
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package com.baeldung.importannotation.animal;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertTrue;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationContext;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit.jupiter.SpringExtension;
@ExtendWith(SpringExtension.class)
@ContextConfiguration(classes = BugConfig.class)
class BugConfigUnitTest {
@Autowired
ApplicationContext context;
@Test
void givenImportInComponent_whenLookForBean_shallFindIt() {
assertTrue(context.containsBean("bug"));
assertNotNull(context.getBean(Bug.class));
}
}

31
spring-core-4/src/test/java/com/baeldung/importannotation/animal/ConfigUnitTest.java Normal file
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package com.baeldung.importannotation.animal;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertTrue;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationContext;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit.jupiter.SpringExtension;
@ExtendWith(SpringExtension.class)
@ContextConfiguration(classes = { BirdConfig.class, CatConfig.class, DogConfig.class })
class ConfigUnitTest {
@Autowired
ApplicationContext context;
@Test
void givenImportedBeans_whenGettingEach_shallFindIt() {
assertThatBeanExists("dog", Dog.class);
assertThatBeanExists("cat", Cat.class);
assertThatBeanExists("bird", Bird.class);
}
private void assertThatBeanExists(String beanName, Class<?> beanClass) {
assertTrue(context.containsBean(beanName));
assertNotNull(context.getBean(beanClass));
}
}

33
spring-core-4/src/test/java/com/baeldung/importannotation/animal/MammalConfigUnitTest.java Normal file
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package com.baeldung.importannotation.animal;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertTrue;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationContext;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit.jupiter.SpringExtension;
@ExtendWith(SpringExtension.class)
@ContextConfiguration(classes = { MammalConfiguration.class })
class MammalConfigUnitTest {
@Autowired
ApplicationContext context;
@Test
void givenImportedBeans_whenGettingEach_shallFindOnlyTheImportedBeans() {
assertThatBeanExists("dog", Dog.class);
assertThatBeanExists("cat", Cat.class);
assertFalse(context.containsBean("bird"));
}
private void assertThatBeanExists(String beanName, Class<?> beanClass) {
assertTrue(context.containsBean(beanName));
assertNotNull(context.getBean(beanClass));
}
}

26
spring-core-4/src/test/java/com/baeldung/importannotation/zoo/ZooApplicationUnitTest.java Normal file
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package com.baeldung.importannotation.zoo;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationContext;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit.jupiter.SpringExtension;
@ExtendWith(SpringExtension.class)
@ContextConfiguration(classes = ZooApplication.class)
class ZooApplicationUnitTest {
@Autowired
ApplicationContext context;
@Test
void givenTheScanInTheAnimalPackage_whenGettingAnyAnimal_shallFindItInTheContext() {
assertNotNull(context.getBean("dog"));
assertNotNull(context.getBean("bird"));
assertNotNull(context.getBean("cat"));
assertNotNull(context.getBean("bug"));
}
}