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I am using Spring Boot 2.1.2 and junit-jupiter-api-5.3.2 and I am doing integration testing.

My test case is this:

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertTrue;

import com.ril.vms.hawkeye.otp.dto.SendOTPRequestDTO;
import org.junit.Assert;
import org.junit.Test;
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.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.test.context.ActiveProfiles;
import org.springframework.test.context.jdbc.Sql;
import org.springframework.test.web.servlet.MvcResult;
import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;

@SpringBootTest(classes = MyApplication.class,
        webEnvironment = WebEnvironment.RANDOM_PORT)
@ActiveProfiles("sit")
public class OtpControllerIntegrationTest
{
    @LocalServerPort
    private int port;

    @Autowired
    private TestRestTemplate restTemplate;

    @Test
    public void sendOtpTest() throws Exception {

        SendOTPRequest otpRequest = new SendOTPRequestDTO();
        otpRequest.setClientId("default2");
        otpRequest.setTag("tag");
        otpRequest.setMobileNumber("9999999999");
        ResponseEntity<String> responseEntity = this.restTemplate
                .postForEntity("http://localhost:" + port + "/sendOtp", otpRequest, String.class);
        assertEquals(201, responseEntity.getStatusCodeValue());

    }
}

But I am getting java.lang.NullPointerException at below line.

ResponseEntity<String> responseEntity = this.restTemplate ...

halfer
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Sun
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  • Does this answer your question? [spring boot test unable to inject TestRestTemplate and MockMvc](https://stackoverflow.com/questions/39213531/spring-boot-test-unable-to-inject-testresttemplate-and-mockmvc) – Nico Van Belle Feb 17 '22 at 08:03
  • I already check same issue. A changed accordingly, but no luck. – Sun Feb 17 '22 at 09:30
  • Have you tried adding `@RunWith(SpringRunner.class)`? – Nico Van Belle Feb 17 '22 at 11:09
  • Please refrain from adding "Please help" or "Need help" or other such statements to your posts. This is implied by your posting a question. – halfer Apr 03 '22 at 01:09

2 Answers2

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try this template

public ArrayList<ABC> lovApi(LovsRequestDto reqObj) {

HttpHeaders headers = new HttpHeaders();
headers.set("Content-Type", "application/json");

HttpEntity<ABCDto> entity = new HttpEntity<ABCDto>(reqObj, headers);

HttpComponentsClientHttpRequestFactory requestFactory = new HttpComponentsClientHttpRequestFactory();
RestTemplate restTemplate = new RestTemplate(requestFactory);

String postUrl = "http://80.111.23.23.33333.....";

ResponseEntity<LovsResponse> postResponse = restTemplate.exchange(postUrl, HttpMethod.POST, entity, LovsResponse.class);
return postResponse.getBody().getLovs_response_details().getLovList();

}
Adnan Bashir
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try to create a new restTemplate bean in sendOtpTest mehtods. you get null point because this.restTemplate is not be instation; wish help you;

shengdoushi
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