git.gumartinm.name Git - JavaForFun/blob

   1 package de.spring.webservices.rest.controller;
   2
   3 import static org.hamcrest.CoreMatchers.instanceOf;
   4 import static org.hamcrest.Matchers.any;
   5 import static org.hamcrest.Matchers.is;
   6 import static org.mockito.BDDMockito.given;
   7 import static org.mockito.Mockito.mock;
   8 import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.asyncDispatch;
   9 import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
  10 import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.post;
  11 import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.content;
  12 import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.header;
  13 import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.jsonPath;
  14 import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.request;
  15 import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
  16
  17 import java.util.ArrayList;
  18 import java.util.List;
  19 import java.util.concurrent.CompletableFuture;
  20
  21 import org.junit.Before;
  22 import org.junit.Test;
  23 import org.junit.runner.RunWith;
  24 import org.springframework.data.domain.Page;
  25 import org.springframework.data.domain.PageImpl;
  26 import org.springframework.data.domain.PageRequest;
  27 import org.springframework.http.HttpHeaders;
  28 import org.springframework.http.MediaType;
  29 import org.springframework.http.ResponseEntity;
  30 import org.springframework.test.context.ContextConfiguration;
  31 import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
  32 import org.springframework.test.web.servlet.MockMvc;
  33 import org.springframework.test.web.servlet.MvcResult;
  34 import org.springframework.test.web.servlet.setup.MockMvcBuilders;
  35
  36 import com.fasterxml.jackson.core.JsonProcessingException;
  37 import com.fasterxml.jackson.databind.ObjectMapper;
  38
  39 import de.spring.webservices.domain.Car;
  40 import de.spring.webservices.rest.business.service.CompletableFutureBusinessLogic;
  41
  42
  43 // jsonPath, how to: https://github.com/jayway/JsonPath | http://jsonpath.herokuapp.com/
  44
  45 @RunWith(SpringJUnit4ClassRunner.class)
  46 @ContextConfiguration({ "classpath*:spring-configuration/mvc/rest/*.xml"})
  47 public class CompletableFutureCarControllerIntegrationTest {
  48         private static final int PAGE = 2;
  49         private static final int PAGE_SIZE = 10;
  50         private static final String TEMPLATE = "Car: %s";
  51
  52         private CompletableFutureBusinessLogic completableFutureBusinessLogic;
  53         private CompletableFutureCarController controller;
  54         private MockMvc mockMvc;
  55
  56     @Before
  57     public void setup() {
  58         completableFutureBusinessLogic = mock(CompletableFutureBusinessLogic.class);
  59         controller = new CompletableFutureCarController(completableFutureBusinessLogic);
  60         mockMvc = MockMvcBuilders.standaloneSetup(controller).build();
  61     }
  62
  63         @Test
  64         public void testWhenGetAllCarsThenRetrieveJsonValues() throws Exception {
  65         final List<Car> cars = new ArrayList<>();
  66         cars.add(new Car(1L, String.format(TEMPLATE, 1)));
  67         CompletableFuture<Page<Car>> future = CompletableFuture.supplyAsync(() -> new PageImpl<>(cars));
  68                 given(completableFutureBusinessLogic.findAll(new PageRequest(PAGE, PAGE_SIZE))).willReturn(future);
  69
  70                 MvcResult result = mockMvc.perform(get("/api/completablefuture/cars/")
  71                                 .accept(MediaType.APPLICATION_JSON_UTF8))
  72                                 .andExpect(request().asyncStarted())
  73                                 .andExpect(request().asyncResult(instanceOf(Page.class)))
  74                                 .andReturn();
  75
  76                  mockMvc.perform(asyncDispatch(result))
  77                 .andExpect(status().isOk())
  78                 .andExpect(jsonPath("$.content[0].id", any(Integer.class)))
  79                 .andExpect(jsonPath("$.content[0].id", any(Integer.class)))
  80                 .andExpect(jsonPath("$.content[0].content", is("Car: 1")))
  81                 .andExpect(content().contentType(MediaType.APPLICATION_JSON_UTF8));
  82         }
  83
  84         @Test
  85         public void testWhenGetOneCarThenRetrieveJsonValue() throws Exception {
  86                 CompletableFuture<Car> expected = CompletableFuture.supplyAsync(() -> new Car(1L, String.format(TEMPLATE, 1)));
  87                 given(completableFutureBusinessLogic.findById(1L)).willReturn(expected);
  88
  89                 MvcResult result = mockMvc.perform(get("/api/completablefuture/cars/{id}", 1L)
  90                                 .accept(MediaType.APPLICATION_JSON_UTF8))
  91                                 .andExpect(request().asyncStarted())
  92                                 .andExpect(request().asyncResult(instanceOf(Car.class)))
  93                                 .andReturn();
  94
  95                  mockMvc.perform(asyncDispatch(result))
  96                 .andExpect(status().isOk())
  97                 .andExpect(jsonPath("id", any(Integer.class)))
  98                 .andExpect(jsonPath("content", is("Car: 1")))
  99                 .andExpect(content().contentType(MediaType.APPLICATION_JSON_UTF8));
 100         }
 101
 102         @Test
 103         public void testWhenCreateNewCarThenRetrieveJsonValue() throws Exception {
 104                 Car car = new Car(null, "nothing");
 105                 CompletableFuture<Car> expected = CompletableFuture.supplyAsync(() -> new Car(1L, String.format(TEMPLATE, 1)));
 106                 given(completableFutureBusinessLogic.createThrowable(car)).willReturn(expected);
 107
 108                 MvcResult result = mockMvc.perform(post("/api/completablefuture/cars/")
 109                                 .contentType(MediaType.APPLICATION_JSON_UTF8)
 110                                 .content(asJsonString(car))
 111                                 .accept(MediaType.APPLICATION_JSON_UTF8))
 112                                 .andExpect(request().asyncStarted())
 113                                 .andExpect(request().asyncResult(instanceOf(ResponseEntity.class)))
 114                                 .andReturn();
 115
 116                 mockMvc.perform(asyncDispatch(result))
 117                 .andExpect(status().isCreated())
 118                 .andExpect(jsonPath("id", any(Integer.class)))
 119                 .andExpect(jsonPath("content", is("Car: 1")))
 120                 .andExpect(header().string(HttpHeaders.LOCATION, "/api/completablefuture/cars/1"))
 121                 .andExpect(content().contentType(MediaType.APPLICATION_JSON_UTF8));
 122         }
 123
 124         private static String asJsonString(final Object obj) throws JsonProcessingException {
 125                 final ObjectMapper mapper = new ObjectMapper();
 126                 return mapper.writeValueAsString(obj);
 127         }
 128 }