BAEL-4069: Add example of using @Value with constructor/setter (#9318)

spring-boot-modules/spring-boot-properties/src/test/java/com/baeldung/value/CollectionProviderIntegrationTest.java

@@ -0,0 +1,22 @@
+package com.baeldung.value;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest(classes = CollectionProvider.class)
+public class CollectionProviderIntegrationTest {
+
+    @Autowired
+    private CollectionProvider collectionProvider;
+
+    @Test
+    public void givenPropertyFileWhenSetterInjectionUsedThenValueInjected() {
+        assertThat(collectionProvider.getValues()).contains("A", "B", "C");
+    }
+}

spring-boot-modules/spring-boot-properties/src/test/java/com/baeldung/value/PriorityProviderIntegrationTest.java

@@ -0,0 +1,22 @@
+package com.baeldung.value;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest(classes = PriorityProvider.class)
+public class PriorityProviderIntegrationTest {
+
+    @Autowired
+    private PriorityProvider priorityProvider;
+
+    @Test
+    public void givenPropertyFileWhenConstructorInjectionUsedThenValueInjected() {
+        assertThat(priorityProvider.getPriority()).isEqualTo("Properties file");
+    }
+}