How to test Microservices' Controller with mokito and Junit

Add Dependency In your project

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compileOnly 'org.projectlombok:lombok'

annotationProcessor 'org.projectlombok:lombok'

testImplementation group: 'junit', name: 'junit'

testImplementation group: 'org.mockito', name: 'mockito-all', version: '1.10.19'

implementation 'org.springframework.boot:spring-boot-starter-data-mongodb'

implementation 'org.springframework.boot:spring-boot-starter-web'

developmentOnly 'org.springframework.boot:spring-boot-devtools'

testImplementation 'org.springframework.boot:spring-boot-starter-test'

=====================================================

 package com.technoidentity.agastya;

import static org.junit.Assert.assertNotNull;

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

import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.delete;

import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;

import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.post;

import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.put;

import org.junit.jupiter.api.MethodOrderer.OrderAnnotation;

import org.junit.jupiter.api.Order;

import org.junit.jupiter.api.Test;

import org.junit.jupiter.api.TestMethodOrder;

import org.junit.runner.RunWith;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;

import org.springframework.boot.test.context.SpringBootTest;

import org.springframework.http.HttpStatus;

import org.springframework.http.MediaType;

import org.springframework.mock.web.MockHttpServletResponse;

import org.springframework.test.context.TestPropertySource;

import org.springframework.test.context.junit4.SpringRunner;

import org.springframework.test.web.servlet.MockMvc;

import org.springframework.test.web.servlet.MvcResult;

@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.MOCK)

@RunWith(SpringRunner.class)

@AutoConfigureMockMvc

@TestPropertySource(locations = "classpath:application-local.yml")

@TestMethodOrder(OrderAnnotation.class)

class AgastyaServiceApplicationTests {

@Autowired

private MockMvc mvc;

@Test

void contextLoads() {

}

@Test

@Order(1)

public void getAllTelemetryEventsTest() throws Exception {

MvcResult result = mvc.perform(get("/agastya/telemetry")).andReturn();

// MockHttpServletRequest req=result.getRequest();

MockHttpServletResponse resp = result.getResponse();

assertNotNull(resp.getContentAsString());

assertEquals(HttpStatus.OK.value(), resp.getStatus());

}

@Test

@Order(1)

public void getAllTelemetryIfEventsTest() throws Exception {

MvcResult result = mvc.perform(get("/agastya/telemetry")).andReturn();

// MockHttpServletRequest req=result.getRequest();

MockHttpServletResponse resp = result.getResponse();

assertNotNull(resp.getContentAsString());

assertEquals(HttpStatus.OK.value(), resp.getStatus());

}

@Test

@Order(2)

public void getTelemetryEventByIdTest() throws Exception {

MvcResult result = mvc.perform(get("/agastya/telemetry/2")).andReturn();

MockHttpServletResponse resp = result.getResponse();

assertEquals(HttpStatus.OK.value(), resp.getStatus());

assertNotNull(resp.getContentAsString());

System.out.println(resp.getContentAsString());

System.out.println(resp.getStatus());

}

@Test

@Order(3)

public void createTelemetryEventTest() throws Exception {

MvcResult result = mvc

.perform(post("/agastya/telemetry")

.header("Content-Type", "application/json")

//.contentType(MediaType.APPLICATION_JSON)

.content("{\"deviceId\":\"14\",\"timestamp\":null,\"telemetryKey\":\"Krishna\",\"telemetryValue\":\"Joti\"}"))

.andReturn();

MockHttpServletResponse resp = result.getResponse();

assertNotNull(resp.getContentAsString());

assertEquals(HttpStatus.OK.value(), resp.getStatus());

        System.out.println("Hello prine");

}

     @Test

     @Order(4)

     public void updateTelemetryEvent() throws Exception {

    MvcResult result=mvc.perform(put("/agastya/telemetry/14")

    .contentType(MediaType.APPLICATION_JSON)

    .content("{\"deviceId\":\"14\",\"timestamp\":null,\"telemetryKey\":\"Krishna\",\"telemetryValue\":\"Joti\"}"))

    .andReturn();

    MockHttpServletResponse resp = result.getResponse();

  assertNotNull(resp.getContentAsString());

  assertEquals(HttpStatus.OK.value(), resp.getStatus());

     

     }

    @Test

    @Order(5)

  public void deleteTelemetryEventTest() throws Exception {

  MvcResult result = mvc.perform(delete("/agastya/telemetry/14")).andReturn();

  MockHttpServletResponse resp = result.getResponse();

  assertEquals(HttpStatus.OK.value(), resp.getStatus());

  assertNotNull(resp.getContentAsString());

  System.out.println(resp.getContentAsString());

  }

    

    @Test

@Order(6)

public void createTelemetryTest() throws Exception {

MvcResult result = mvc

.perform(post("/agastya/telemetry")

.header("Content-Type", "application/json")

//.contentType(MediaType.APPLICATION_JSON)

.content("{\"deviceId\":\"14\",\"timestamp\":null,\"telemetryKey\":\"Krishna\",\"telemetryValue\":\"Joti\"}"))

.andReturn();

MockHttpServletResponse resp = result.getResponse();

assertNotNull(resp.getContentAsString());

assertEquals(HttpStatus.OK.value(), resp.getStatus());

        System.out.println("Hello prine");

}

    

    

    

    

    

    

    

  /*

  @Order(6)

  public void deleteAllTelemetryEventTest() throws Exception {

  MvcResult result = mvc.perform(delete("/agastya/telemetry")).andReturn();

  MockHttpServletResponse resp = result.getResponse();

  assertEquals(HttpStatus.OK.value(), resp.getStatus());

  assertNotNull(resp.getContentAsString());

  System.out.println(resp.getContentAsString());

  }*/

    

}