Spring Boot Integration Test

	import static org.assertj.core.api.Assertions.assertThat;
	import java.util.Date;
	import org.junit.Test;
	import org.junit.runner.RunWith;
	import org.springframework.beans.factory.annotation.Autowired;
	import org.springframework.boot.context.embedded.LocalServerPort;
	import org.springframework.boot.test.context.SpringBootTest;
	import org.springframework.boot.test.web.client.TestRestTemplate;
	import org.springframework.http.HttpEntity;
	import org.springframework.http.HttpHeaders;
	import org.springframework.http.HttpMethod;
	import org.springframework.http.ResponseEntity;
	import org.springframework.test.context.junit4.SpringRunner;
	import com.fasterxml.jackson.core.JsonProcessingException;
	import com.fasterxml.jackson.databind.ObjectMapper;
	import com.infotech.book.ticket.app.TicketBookingManagementApplication;
	import com.infotech.book.ticket.app.entities.Ticket;
	@RunWith(SpringRunner.class)
	@SpringBootTest(classes = TicketBookingManagementApplication.class, webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT)
	public class TicketBookingControllerIntegrationTest {
	@LocalServerPort
	private int port;
	@Autowired
	private TestRestTemplate testRestTemplate;
	private HttpHeaders headers = new HttpHeaders();
	@Test
	public void testCreateTicket() throws Exception {
	Ticket ticket = new Ticket();
	ticket.setTicketId(1);
	ticket.setPassengerName("Martin Bingel");
	ticket.setSourceStation("Kolkata");
	ticket.setDestStation("Delhi");
	ticket.setBookingDate(new Date());
	ticket.setEmail("martin.s2017@gmail.com");
	String URIToCreateTicket = "/api/tickets/create";
	String inputInJson = this.mapToJson(ticket);
	HttpEntity<Ticket> entity = new HttpEntity<Ticket>(ticket, headers);
	ResponseEntity<String> response = testRestTemplate.exchange(
	formFullURLWithPort(URIToCreateTicket),
	HttpMethod.POST, entity, String.class);
	String responseInJson = response.getBody();
	assertThat(responseInJson).isEqualTo(inputInJson);
	}
	@Test
	public void testGetTicketById() throws Exception {
	Ticket ticket = new Ticket();
	ticket.setTicketId(2);
	ticket.setPassengerName("Sean Murphy");
	ticket.setSourceStation("Kolkata");
	ticket.setDestStation("Mumbai");
	ticket.setBookingDate(new Date());
	ticket.setEmail("sean.s2017@gmail.com");
	String inputInJson = this.mapToJson(ticket);
	String URIToCreateTicket = "/api/tickets/create";
	HttpEntity<Ticket> entity = new HttpEntity<Ticket>(ticket, headers);
	testRestTemplate.exchange(formFullURLWithPort(URIToCreateTicket),
	HttpMethod.POST, entity, String.class);
	String URI = "/api/tickets/ticketId/2";
	String bodyJsonResponse = testRestTemplate.getForObject(formFullURLWithPort(URI), String.class);
	assertThat(bodyJsonResponse).isEqualTo(inputInJson);
	}
	@Test
	public void testGetTicketByEmail() throws Exception {
	Ticket ticket = new Ticket();
	ticket.setTicketId(3);
	ticket.setPassengerName("Marry Johnson");
	ticket.setSourceStation("Delhi");
	ticket.setDestStation("Mumbai");
	ticket.setBookingDate(new Date());
	ticket.setEmail("marrry.j2017@gmail.com");
	String URI = "/api/tickets/create";
	String inputInJson = this.mapToJson(ticket);
	HttpEntity<Ticket> entity = new HttpEntity<Ticket>(ticket, headers);
	testRestTemplate.exchange(
	formFullURLWithPort(URI),
	HttpMethod.POST, entity, String.class);
	String URIToGetTicket = "/api/tickets/email/marrry.j2017@gmail.com";
	String bodyJsonResponse = testRestTemplate.getForObject(formFullURLWithPort(URIToGetTicket), String.class);
	assertThat(bodyJsonResponse).isEqualTo(inputInJson);
	}
	/**
	* this utility method Maps an Object into a JSON String. Uses a Jackson ObjectMapper.
	*/
	private String mapToJson(Object object) throws JsonProcessingException {
	ObjectMapper objectMapper = new ObjectMapper();
	return objectMapper.writeValueAsString(object);
	}
	/**
	* This utility method to create the url for given uri. It appends the RANDOM_PORT generated port
	*/
	private String formFullURLWithPort(String uri) {
	return "http://localhost:" + port + uri;
	}
	}