ok-testing-reloaded-medium

Tweet.java

/**
 * Representation of a Tweet object transferred from/to Twitter REST API in JSON format.
 */
public class Tweet {

  public long id;
  public String text;
  public User user;
  @Json(name="created_at") public Date createdAt;
  public boolean favorited;
}

TwitterApi.java

/**
 * Retrofit interface for Twitter REST API
 */
public interface TwitterApi {

  @GET("statuses/home_timeline.json")
  Call<List<Tweet>> homeTimeline();

  @GET("statuses/show/{id}")
  Call<Tweet> show(@Path("id") String id);

  @POST("statuses/update")
  Call<Tweet> tweet(@Query("status") String status);

  class Builder {
    /* ... */

    public TwitterApi build() {
      return new Retrofit.Builder()
        .baseUrl(baseUrl)
        .addConverterFactory(MoshiConverterFactory.create(
          new Moshi.Builder()
            .add(Date.class, new DateJsonAdapter("EEE MMM dd kk:mm:ss z yyyy"))
            .build()
        ))
        .build()
        .create(TwitterApi.class);
    }
  }
}

TwitterApiTest.java

public class TwitterApiTest {

  @Test
  public void homeTimeline() throws IOException, InterruptedException {
    /* ... */
    // execute request
    final Response<List<Tweet>> response = twitterApi.homeTimeline().execute();

    // assert response
    assertThat(response.body().get(0).createdAt).isEqualTo("2012-08-28T23:16:23.000");
    assertThat(response.body().get(0).user.name).isEqualTo("OAuth Dancer");
    /* ... */
  }
}

User.java

/**
 * Representation of an User object transferred from/to Twitter REST API in JSON format.
 */
public class User {

  public String name;
  @Json(name = "created_at") public Date createdAt;
  public String location;
  public String url;
}