Added a new module (spring-core-5) for the code examples of BAEL-4764. (#10484)

spring-core-5/src/test/java/com/baeldung/component/inscope/ComponentUnitTest.java

@@ -0,0 +1,54 @@
+package com.baeldung.component.inscope;
+
+import com.baeldung.component.outsidescope.OutsideScopeBeanExample;
+import com.baeldung.component.outsidescope.OutsideScopeExample;
+import com.baeldung.component.scannedscope.ScannedScopeExample;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.springframework.beans.factory.NoSuchBeanDefinitionException;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.context.ApplicationContext;
+import org.springframework.test.context.junit.jupiter.SpringExtension;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+@SpringBootTest
+@ExtendWith(SpringExtension.class)
+public class ComponentUnitTest {
+
+    @Autowired
+    private ApplicationContext applicationContext;
+
+    @Test
+    public void givenInScopeComponents_whenSearchingInApplicationContext_thenFindThem() {
+        assertNotNull(applicationContext.getBean(ControllerExample.class));
+        assertNotNull(applicationContext.getBean(ServiceExample.class));
+        assertNotNull(applicationContext.getBean(RepositoryExample.class));
+        assertNotNull(applicationContext.getBean(ComponentExample.class));
+        assertNotNull(applicationContext.getBean(CustomComponentExample.class));
+    }
+
+    @Test
+    public void givenOutsideScopeComponent_whenSearchingInApplicationContext_thenFail() {
+        assertThrows(NoSuchBeanDefinitionException.class, () -> applicationContext.getBean(OutsideScopeExample.class));
+    }
+
+    @Test
+    public void givenScannedScopeComponent_whenSearchingInApplicationContext_thenFindIt() {
+        assertNotNull(applicationContext.getBean(ScannedScopeExample.class));
+    }
+
+    @Test
+    public void givenBeanComponents_whenSearchingInApplicationContext_thenFindThem() {
+        assertNotNull(applicationContext.getBean(BeanExample.class));
+        assertNotNull(applicationContext.getBean(OutsideScopeBeanExample.class));
+    }
+
+    @Test
+    public void givenAmbiguousBeanSetToB_whenSearchingInApplicationContext_thenFindImplB() {
+        AmbiguousBean ambiguousBean = applicationContext.getBean(AmbiguousBean.class);
+        assertNotNull(ambiguousBean);
+        assertTrue(ambiguousBean instanceof BeanImplB);
+    }
+}

spring-core-5/src/test/resources/application.yml

@@ -0,0 +1 @@
+ambiguous-bean: 'B'