How to execute junit test case sequentially - spring

Question

I am writing integration test case which is used to create and update a data
#RunWith(SpringRunner.class)
#SpringBootTest(classes = MyApplication.class, webEnvironment =
SpringBootTest.WebEnvironment.DEFINED_PORT)
#FixMethodOrder(MethodSorters.NAME_ASCENDING)
public class MyIntegrationTest {
private String baseUrl="http://192.168.6.177/api/v1/";
#Autowired
TestRestTemplate restTemplate;
Long createdId; // trying to set ID which is coming after test1_AddData
#Test
public void test1_AddData() throws Exception {
ABC abc = new ABC("Name");
HttpEntity<ABC> requestBodyData = new HttpEntity<>(ABC);
ParameterizedTypeReference<RestTemplateResponseEnvelope<ABC>> typeReference =
new ParameterizedTypeReference<RestTemplateResponseEnvelope<ABC>>() {
};
ResponseEntity<RestTemplateResponseEnvelope<ABC>> response = restTemplate.exchange(
baseUrl + "/presenceType",
HttpMethod.POST, requestBodyData, typeReference);
Assert.assertTrue(HttpStatus.CREATED.equals(response.getStatusCode()));
createdId = response.getBody().getData().getId();
}
#Test
public void test2_updateData() throws Exception {
ABC abc = new ABC("NEW NAME");
System.out.println("------------------------------------------" + createdId); /// it is giving null
HttpEntity<ABC> requestBodyData = new HttpEntity<>(ABC);
ResponseEntity<ABC> response = restTemplate.exchange(
baseUrl + "/presenceType/" + createdId,
HttpMethod.PUT, requestBodyData, ABC.class);
Assert.assertTrue(HttpStatus.OK.equals(response.getStatusCode()));
createdId = response.getBody().getId();
}
}
the output of my execution
------------------------------------------null
What needs to be done to make this execution i.e calling of second function after the exection of first.
NOTE : The code also contains delete method which needs to be called after third.

Answer 1

Although it is not good practice to fix order in Tests. But If you are using JUnit above version 4.11, it has annotation #FixMethodOrder.
You can set order by method names.
Example:
import org.junit.runners.MethodSorters;
import org.junit.FixMethodOrder;
import org.junit.Test;
#FixMethodOrder(MethodSorters.NAME_ASCENDING)
public class OrderTest {
#Test
public void test1() {
System.out.println("test1");
}
#Test
public void test2() {
System.out.println("test2");
}
}
For further reading #FixMethodOder
Junit Git Page: https://github.com/junit-team/junit4/wiki/test-execution-order
Custom Implemenation: https://memorynotfound.com/run-junit-tests-method-order/

Answer 2

FixMethodOrder not working for me, so I find another way to do this.
We can use #TestMethodOrder from Junit jupiter
https://junit.org/junit5/docs/5.5.0/api/org/junit/jupiter/api/TestMethodOrder.html
#Order annotation used to specify the sequence
Example code:
import org.junit.jupiter.api.MethodOrderer;
import org.junit.jupiter.api.Order;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.TestMethodOrder;
#TestMethodOrder(MethodOrderer.OrderAnnotation.class)
public class DummyTest1 {
#Test
#Order(2)
public void read(){
System.out.println("read");
}
#Test
#Order(4)
public void delete(){
System.out.println("delete");
}
#Test
#Order(1)
public void create(){
System.out.println("create");
}
#Test
#Order(3)
public void update(){
System.out.println("update");
}
}
It will execute in sequence order order1, order2, order3, order4
So testing order will be,
create
read
update
delete