@Test
  public void sendWithWriter() throws Exception {
    final AtomicReference<String> body = new AtomicReference<String>();
    handler = new RequestHandler() {

      @Override
      public void handle(Request request, HttpServletResponse response) {
        body.set(new String(read()));
        response.setStatus(HTTP_OK);
      }
    };

    HttpRequest request = post(url);
    request.writer().append("hello").close();
    assertTrue(request.ok());
    assertEquals("hello", body.get());
  }
Make a POST and send request using a writer

@throws Exception
lib/src/test/java/com/github/kevinsawicki/http/HttpRequestTest.java