Integration Test - REST

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import org.testng.annotations.Test;
import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertTrue;

import com.fasterxml.jackson.annotation.JsonProperty;
import io.restassured.RestAssured;
import io.restassured.response.ResponseOptions;

public class StudentIntegrationTest {

   private static Logger LOG = LoggerFactory.getLogger(StudentIntegrationTest.class);

	@Test
	public void testIntegrationFlow() {
	
	    //Target resource
        String url = "http://ezifyautomationlabs.com:6565/educative-rest/students";
        // Message body object.
        Student body = new Student("David", "Paul", "Male");

	    //Step 1 - Create a new Student 
        ResponseOptions<?> create = RestAssured.given()
                .header("accept", "application/json")
                .header("content-type", "application/json")
                .body(body)
                .post(url)
				.andReturn();
        
        //print response message body in JSON format
        LOG.info("Server response for created Student record : " +create.getBody().prettyPrint());
        	
		//Step -2 Assert that request was successful
        assertTrue(create.statusCode() == 201); 
		long createdStudentId = create.getBody().jsonPath().getLong("id");

		//Step 3 - fetch the newly created Student details 	     
        ResponseOptions<?> fetch = RestAssured.given()
        		.get(url + "/" + createdStudentId)
				.andReturn();
        
        //print response message body in JSON format
        LOG.info("fetch newly created Student's record with id "+createdStudentId+  ":" +fetch.getBody().prettyPrint());
		
		//Step -4 parse the response data and verify and assert fetch Student details
        assertTrue(fetch.statusCode() == 200);
		long studentID = fetch.getBody().jsonPath().getLong("id");
		assertEquals(createdStudentId,studentID); 
		
		//Step 5 - Delete the newly created Student Object 	 
		 LOG.info("Delete Student with id "+studentID+"'s record");
		 ResponseOptions<?> delete = RestAssured.given()
	        		.delete(url + "/" + studentID);
		//Assert request was successful
	    assertTrue(delete.statusCode() == 204);
		
		// Step 6 - Try getting Deleted  Student's record
        ResponseOptions<?> deletedStudent = RestAssured.given()
        		.get(url + "/" + createdStudentId)
				.andReturn();

        //Assert record is deleted - NO record found
        LOG.info("HTTP GET response statusLine of deleted record "+deletedStudent.getStatusLine());
	    assertTrue(deletedStudent.statusCode() == 404); 
	}	
	
}

// This POJO class will be used for serialization and deserialzation of the data
class Student {

    public Student(String firstName, String lastName, String gender) {
        this.firstName = firstName;
        this.lastName = lastName;
        this.gender = gender;
    }

	@JsonProperty("id")
    Long id;

    @JsonProperty("first_name")
    String firstName;

    @JsonProperty("last_name")
    String lastName;

    @JsonProperty("gender")
    String gender;
}