ControllerApiTest.java

package com.example.api;

import static org.junit.Assert.assertEquals;

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.context.SpringBootTest.WebEnvironment;
import org.springframework.boot.test.web.client.TestRestTemplate;
import org.springframework.boot.web.server.LocalServerPort;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.test.annotation.DirtiesContext;
import org.springframework.test.context.junit4.SpringRunner;

@RunWith(SpringRunner.class)
@SpringBootTest(webEnvironment = WebEnvironment.RANDOM_PORT)
@DirtiesContext
public class ControllerApiTest {
	@LocalServerPort
	private int port;
	private String hostUrl = ("http://localhost:" + this.port + "/springrest/");
	@Autowired
	private TestRestTemplate restTemplate;

	@Test
	public void testHome() throws Exception {
		ResponseEntity<String> entity = restTemplate.getForEntity(hostUrl, String.class);
		System.out.printf("GET url: %s   satus code: %s", hostUrl, entity.getStatusCode());
		assertEquals(HttpStatus.OK, entity.getStatusCode());
	}

}