sync source code with article

spring-boot-modules/spring-boot-properties/src/test/java/com/baeldung/configurationproperties/DatabasePropertiesIntegrationTest.java

@@ -0,0 +1,30 @@
+package com.baeldung.configurationproperties;
+
+import org.junit.Assert;
+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.TestPropertySource;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import com.baeldung.properties.ConfigPropertiesDemoApplication;
+import com.baeldung.properties.Database;
+
+
+@RunWith(SpringRunner.class)
+@SpringBootTest(classes = ConfigPropertiesDemoApplication.class)
+@TestPropertySource("classpath:application.properties")
+public class DatabasePropertiesIntegrationTest {
+
+    @Autowired
+    private Database database;
+    
+    @Test
+    public void testDatabaseProperties() {
+        Assert.assertNotNull(database);
+        Assert.assertEquals("jdbc:postgresql:/localhost:5432/instance", database.getUrl());
+        Assert.assertEquals("foo", database.getUsername());
+        Assert.assertEquals("bar", database.getPassword());
+    }
+}