RestDomainIntegrationTest.java

package com.yummynoodlebar.config;

import com.yummynoodlebar.rest.controller.fixture.RestDataFixture;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.MediaType;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.test.context.web.WebAppConfiguration;
import org.springframework.test.web.servlet.MockMvc;
import org.springframework.test.web.servlet.setup.MockMvcBuilders;
import org.springframework.web.context.WebApplicationContext;

import static com.yummynoodlebar.rest.controller.fixture.RestDataFixture.standardOrderJSON;
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.result.MockMvcResultHandlers.print;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.jsonPath;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;

//TODOCUMENT We have already asserted the correctness of the collaboration.
//This is to check that the wiring in MVCConfig works.
//We do this by inference, via hitting URLs in the system and checking they work as expected
//given a well known infrastructure and system state.
//this is a minimal set, as we've checked the actual behaviour of rendering, http status handling
//and URL mapping separately.

@RunWith(SpringJUnit4ClassRunner.class)
@WebAppConfiguration
@ContextConfiguration(classes = {CoreConfig.class, MVCConfig.class})
public class RestDomainIntegrationTest {

  @Autowired
  WebApplicationContext wac;

  private MockMvc mockMvc;

  @Before
  public void setup() {
    this.mockMvc = MockMvcBuilders.webAppContextSetup(this.wac).build();
  }

  @Test
  public void addANewOrderToTheSystem() throws Exception  {
    this.mockMvc.perform(
            post("/aggregators/orders")
                    .content(standardOrderJSON())
                    .contentType(MediaType.APPLICATION_JSON)
                    .accept(MediaType.APPLICATION_JSON))
            .andDo(print())
            .andExpect(status().isCreated());

    this.mockMvc.perform(
            get("/aggregators/orders")
                    .accept(MediaType.APPLICATION_JSON))
            .andDo(print())
            .andExpect(status().isOk())
            .andExpect(jsonPath("$[0].items['" + RestDataFixture.YUMMY_ITEM + "']").value(12));

  }
}