ok-testing-reloaded-medium

OkHttpResponseAssert.java

import static org.assertj.core.api.Assertions.fail;

public class OkHttpResponseAssert
  extends AbstractAssert<OkHttpResponseAssert, Response>
  implements Assert<OkHttpResponseAssert, Response> {

  /* ... */

  public <T> OkHttpResponseAssert jsonPath(String jsonPath, Class<T> type, T expected) {
    T object = JsonPath.parse(consumeResponseBody()).read(jsonPath, type);

    objects.assertNotNull(info, object);
    objects.assertEqual(info, object, expected);

    return this;
  }
}

TwitterAppTest.java

import static org.assertj.core.api.Assertions.assertThat;
import static ext.assertj.MyAssertions.assertThat;

@RunWith(SparkRunner.class)
@SparkApplicationTest(value = TwitterApp.class, port = 4444)
public class TwitterAppTest {

  private final OkHttpClient okHttpClient = new OkHttpClient.Builder().build();

  @Test
  public void testAgain() throws IOException {
    final Request request = new Request.Builder()
      .get()
      .url("http://localhost:4444/statuses/retweets/200")
      .build();

    final Response response = okHttpClient.newCall(request).execute();

    assertThat(response)
      .isOk()
      .hasContentType("application/json")
      .jsonPath("$.length()", Integer.class, 100)
      .jsonPath("$[0].id", Integer.class, 200);
  }
}