src/main/java/io/zipcoder/crudapp/Person.java

 import javax.persistence.GeneratedValue;
 import javax.persistence.GenerationType;
 import javax.persistence.Id;
-import java.io.Serializable;
 
 @Entity
 public class Person {
     public Person() {
     }
 
+    public Person(String firstName, String lastName) {
+        this.firstName = firstName;
+        this.lastName = lastName;
+    }
+
     public Long getId() {
         return id;
     }

src/main/java/io/zipcoder/crudapp/PersonRepository.java

 
 public interface PersonRepository extends CrudRepository<Person, Long> {
 
-
-
 }

src/main/java/io/zipcoder/crudapp/PersonService.java

-package io.zipcoder.crudapp;
-
-public class PersonService {
-
-}

src/test/java/io/zipcoder/crudapp/PersonControllerTest.java

+package io.zipcoder.crudapp;
+
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import static org.mockito.Matchers.any;
+import static org.mockito.Mockito.when;
+
+public class PersonControllerTest {
+
+    @Mock
+    private PersonController controller;
+
+    @Before
+    public void setUp() throws Exception {
+
+        MockitoAnnotations.initMocks(this);
+    }
+
+    @Test
+    public void createPersonTest(){
+        when(controller.createPerson(any(Person.class))).thenReturn(new ResponseEntity<>( HttpStatus.CREATED));
+
+        Person p = new Person();
+        ResponseEntity<Person> actual = controller.createPerson(p);
+        ResponseEntity<Person> expected = new ResponseEntity<>(HttpStatus.CREATED);
+
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    public void getPersonTest(){
+        when(controller.getPerson(1)).thenReturn(new ResponseEntity<>( HttpStatus.OK));
+
+        Person p = new Person();
+        p.setId(1L);
+        ResponseEntity<Person> actual = controller.getPerson(1);
+        ResponseEntity<Person> expected = new ResponseEntity<>(HttpStatus.OK);
+
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    public void updatePersonTest(){
+        when(controller.updatePerson(any(Person.class))).thenReturn(new ResponseEntity<>( HttpStatus.OK));
+
+        Person p = new Person();
+        p.setId(1L);
+        ResponseEntity<Person> actual = controller.updatePerson(any(Person.class));
+        ResponseEntity<Person> expected = new ResponseEntity<>(HttpStatus.OK);
+
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    public void deletePerson(){
+        when(controller.deletePerson(1)).thenReturn(new ResponseEntity<>( HttpStatus.NO_CONTENT));
+
+        ResponseEntity<Person> actual = controller.deletePerson(1);
+        ResponseEntity<Person> expected = new ResponseEntity<>( HttpStatus.NO_CONTENT);
+
+        Assert.assertEquals(expected, actual);
+    }
+}