CR-MesoLab-Spring-PersonController.CRUD/src/test/java/io/zipcoder/crudapp/PersonControllerTest.java

package io.zipcoder.crudapp;

import io.zipcoder.crudapp.controllers.PersonController;
import io.zipcoder.crudapp.models.Person;
import io.zipcoder.crudapp.services.PersonService;
import org.junit.Before;
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.boot.test.mock.mockito.MockBean;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.test.context.junit4.SpringRunner;

import java.util.ArrayList;
import java.util.List;

import static org.assertj.core.api.Java6Assertions.assertThat;
import static org.mockito.BDDMockito.given;

@SpringBootTest
@RunWith(SpringRunner.class)
public class PersonControllerTest {
    List<Person> list;
    Person testPerson = new Person("Test", "Person");

    @Before
    public void setup(){
        list = new ArrayList<>();
        list.add(testPerson);
    }

    @Autowired
    PersonController personController;

    @MockBean
    PersonService personService;

    @Test
    public void testGetPersonList(){
        given(
                this.personService.getPersonList()
        ).willReturn(
                list
        );
        ResponseEntity<Iterable<Person>> actual = personController.getPersonList();
        assertThat(actual)
                .isEqualTo(new ResponseEntity<>(list, HttpStatus.OK));
    }

    @Test
    public void testGetPersonById(){
        given(this.personService.getPersonById(1L)
        ).willReturn(testPerson);

        ResponseEntity<?> actual = personController.getPersonById(1L);
        assertThat(actual).isEqualTo(new ResponseEntity<>(testPerson, HttpStatus.OK));
    }

    @Test
    public void testGetPersonById_null(){
        given(this.personService.getPersonById(2L)
        ).willReturn(null);

        ResponseEntity<?> actual = personController.getPersonById(2L);
        assertThat(actual).isEqualTo(new ResponseEntity<>(null, HttpStatus.NOT_FOUND));
    }

    @Test
    public void testCreatePerson(){
        given(this.personService.savePerson(testPerson)
        ).willReturn(testPerson);

        ResponseEntity<?> actual = personController.createPerson(testPerson);
        assertThat(actual).isEqualTo(new ResponseEntity<>(testPerson,HttpStatus.CREATED));
    }

    @Test
    public void testUpdatePerson(){
        testPerson.setFirstName("Bill");
        given(this.personService.savePerson(testPerson)
        ).willReturn(testPerson);

        ResponseEntity<?> actual = personController.updatePerson(1L, testPerson);
        assertThat(actual).isEqualTo(new ResponseEntity<>(testPerson,HttpStatus.OK));
    }

    @Test
    public void testDelete(){
        ResponseEntity<?> actual = personController.deletePerson(1L);
        assertThat(actual).isEqualTo(new ResponseEntity(HttpStatus.NO_CONTENT));
    }
}