vavr spring data (#2242)

* vavr spring data

* formatting

* formatting

* formatting

* formatting

vavr/src/test/java/com/baeldung/vavr/repositories/VavrRepositoryIntegrationTest.java

@@ -0,0 +1,47 @@
+package com.baeldung.vavr.repositories;
+
+import com.baeldung.Application;
+import com.baeldung.repositories.VavrUserRepository;
+import com.baeldung.vavr.User;
+
+import io.vavr.collection.Seq;
+import io.vavr.control.Option;
+
+import org.junit.Test;
+import org.junit.Before;
+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.junit.Assert.*;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest(classes = Application.class)
+public class VavrRepositoryIntegrationTest {
+
+    @Autowired
+    private VavrUserRepository userRepository;
+
+    @Before
+    public void setup() {
+        User user1 = new User();
+        user1.setName("John");
+        User user2 = new User();
+        user2.setName("John");
+
+        userRepository.save(user1);
+        userRepository.save(user2);
+    }
+
+    @Test
+    public void whenAddUsers_thenGetUsers() {
+        Option<User> user = userRepository.findById(1L);
+        assertFalse(user.isEmpty());
+        assertTrue(user.get().getName().equals("John"));
+
+        Seq<User> users = userRepository.findByName("John");
+        assertEquals(2, users.size());
+    }
+
+}