[BAEL-2048] Spring Data JPA Java 8 support article

spring-data-jpa/src/test/java/org/baeldung/repository/UserRepositoryIntegrationTest.java

@@ -0,0 +1,58 @@
+package org.baeldung.repository;
+
+import org.baeldung.config.H2JpaConfig;
+import org.baeldung.persistence.model.User;
+import org.junit.After;
+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 org.springframework.transaction.annotation.Transactional;
+
+import java.util.stream.Stream;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * Created by adam.
+ */
+@RunWith(SpringRunner.class)
+@SpringBootTest(classes = H2JpaConfig.class)
+public class UserRepositoryIntegrationTest {
+
+    private final String USER_NAME_ADAM = "Adam";
+
+    @Autowired
+    private UserRepository userRepository;
+
+    @Test
+    @Transactional
+    public void givenUsersWithSameNameInDBWhenFindAllByNameThenReturnStreamOfUsers() {
+        User user1 = new User();
+        user1.setName(USER_NAME_ADAM);
+        userRepository.save(user1);
+
+        User user2 = new User();
+        user2.setName(USER_NAME_ADAM);
+        userRepository.save(user2);
+
+        User user3 = new User();
+        user3.setName(USER_NAME_ADAM);
+        userRepository.save(user3);
+
+        User user4 = new User();
+        user4.setName("SAMPLE");
+        userRepository.save(user4);
+
+        try (Stream<User> foundUsersStream = userRepository.findAllByName(USER_NAME_ADAM)) {
+            assertThat(foundUsersStream.count()).isEqualTo(3l);
+        }
+    }
+
+    @After
+    public void cleanUp() {
+        userRepository.deleteAll();
+    }
+
+}