Mock server test

unittest.java

@RunWith(SpringRunner.class)
@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.NONE,
        properties = "blog-service.base-url:http://localhost:8082",
        classes = BlogServiceClient.class)
@ContextConfiguration
public class UnitTest {

    @Autowired
    private BlogServiceClient blogServiceClient;

    private static final String TITLE = "Testing";

    @Test
    public void test_blog_by_id() {
        final Blog blog = blogServiceClient.getBlog("1");
        assertThat(blog.getTitle()).isEqualTo(TITLE);
        assertThat(blog.getId()).isEqualTo(1);
        assertTrue(blog.getContent().matches(".*blog about.*"));
    }

    private static final int port = 8082;
    private static ClientAndServer mockServer;

    @BeforeClass
    public static void startServer() {
        mockServer = startClientAndServer(port);
        createExpectationForInvalidAuth();
    }

    private static void createExpectationForInvalidAuth() {
        new MockServerClient("127.0.0.1", port)
                .when(
                        request()
                                .withMethod("GET")
                                .withPath("/blog/1")
                                .withHeader("\"Content-type\", \"application/json\"")
                                .withHeader("Authorization", "Bearer eyJhbGciOiJIUzUxMiJ9.eyJzdWIiOiJjdW9uZ2xkMiIsImV4cCI6MTYyMDIxMTE4NCwiaWF0IjoxNjAyMjExMTg0fQ.fdyeTWfkb4ng9asty_FHmKYu4Y1GWwysugqaYVCJVqC44MIW7yN3xkR3vI7q0zEaEmPnQs3SQokvYXZhzIu6Kw"),
                        exactly(1))
                .respond(
                        response()
                                .withStatusCode(200)
                                .withHeaders(
                                        new Header("Content-Type", "application/json; charset=utf-8"),
                                        new Header("Cache-Control", "public, max-age=86400"))
                                .withBody("{\n" +
                                        "    \"id\": 1,\n" +
                                        "    \"title\": \"Testing\",\n" +
                                        "    \"content\": \"A blog about Testing\"\n" +
                                        "}")
                );

    }

        @AfterClass
        public static void stopServer() {
            mockServer.stop();
        }

    }