@Test
  public void getWithOnHeadersReceivedAbort() throws Throwable {

    withClient()
        .run(
            client -> {
              withServer(server)
                  .run(
                      server -> {
                        server.enqueueEcho();
                        client
                            .prepareGet(getTargetUrl())
                            .execute(
                                new AsyncHandlerAdapter() {

                                  @Override
                                  public State onHeadersReceived(HttpResponseHeaders content)
                                      throws Exception {
                                    assertContentTypesEquals(
                                        content.getHeaders().get(CONTENT_TYPE),
                                        TEXT_HTML_CONTENT_TYPE_WITH_UTF_8_CHARSET);
                                    return State.ABORT;
                                  }
                                })
                            .get(5, TimeUnit.SECONDS);
                      });
            });
  }
  @Test
  public void asyncStreamFutureTest() throws Throwable {

    withClient()
        .run(
            client -> {
              withServer(server)
                  .run(
                      server -> {
                        server.enqueueEcho();

                        final AtomicBoolean onHeadersReceived = new AtomicBoolean();
                        final AtomicBoolean onThrowable = new AtomicBoolean();

                        String responseBody =
                            client
                                .preparePost(getTargetUrl()) //
                                .addFormParam("param_1", "value_1") //
                                .execute(
                                    new AsyncHandlerAdapter() {
                                      private StringBuilder builder = new StringBuilder();

                                      @Override
                                      public State onHeadersReceived(HttpResponseHeaders content)
                                          throws Exception {
                                        assertContentTypesEquals(
                                            content.getHeaders().get(CONTENT_TYPE),
                                            TEXT_HTML_CONTENT_TYPE_WITH_UTF_8_CHARSET);
                                        onHeadersReceived.set(true);
                                        return State.CONTINUE;
                                      }

                                      @Override
                                      public State onBodyPartReceived(HttpResponseBodyPart content)
                                          throws Exception {
                                        builder.append(new String(content.getBodyPartBytes()));
                                        return State.CONTINUE;
                                      }

                                      @Override
                                      public String onCompleted() throws Exception {
                                        return builder.toString().trim();
                                      }

                                      @Override
                                      public void onThrowable(Throwable t) {
                                        onThrowable.set(true);
                                      }
                                    })
                                .get(5, TimeUnit.SECONDS);

                        assertTrue(onHeadersReceived.get(), "Headers weren't received");
                        assertFalse(onThrowable.get(), "Shouldn't get an exception");
                        assertEquals(responseBody, RESPONSE, "Unexpected response body");
                      });
            });
  }
  @Test
  public void asyncStreamInterruptTest() throws Throwable {

    withClient()
        .run(
            client -> {
              withServer(server)
                  .run(
                      server -> {
                        server.enqueueEcho();

                        final AtomicBoolean onHeadersReceived = new AtomicBoolean();
                        final AtomicBoolean onBodyPartReceived = new AtomicBoolean();
                        final AtomicBoolean onThrowable = new AtomicBoolean();

                        client
                            .preparePost(getTargetUrl()) //
                            .setHeader(
                                CONTENT_TYPE,
                                HttpHeaderValues.APPLICATION_X_WWW_FORM_URLENCODED) //
                            .addFormParam("param_1", "value_1") //
                            .execute(
                                new AsyncHandlerAdapter() {

                                  @Override
                                  public State onHeadersReceived(HttpResponseHeaders content)
                                      throws Exception {
                                    onHeadersReceived.set(true);
                                    assertContentTypesEquals(
                                        content.getHeaders().get(CONTENT_TYPE),
                                        TEXT_HTML_CONTENT_TYPE_WITH_UTF_8_CHARSET);
                                    return State.ABORT;
                                  }

                                  @Override
                                  public State onBodyPartReceived(
                                      final HttpResponseBodyPart content) throws Exception {
                                    onBodyPartReceived.set(true);
                                    return State.ABORT;
                                  }

                                  @Override
                                  public void onThrowable(Throwable t) {
                                    onThrowable.set(true);
                                  }
                                })
                            .get(5, TimeUnit.SECONDS);

                        assertTrue(onHeadersReceived.get(), "Headers weren't received");
                        assertFalse(onBodyPartReceived.get(), "Abort not working");
                        assertFalse(onThrowable.get(), "Shouldn't get an exception");
                      });
            });
  }
  @Test
  public void closeConnectionTest() throws Throwable {

    withClient()
        .run(
            client -> {
              withServer(server)
                  .run(
                      server -> {
                        server.enqueueEcho();

                        Response r =
                            client
                                .prepareGet(getTargetUrl())
                                .execute(
                                    new AsyncHandler<Response>() {

                                      private Response.ResponseBuilder builder =
                                          new Response.ResponseBuilder();

                                      public State onHeadersReceived(HttpResponseHeaders content)
                                          throws Exception {
                                        builder.accumulate(content);
                                        return State.CONTINUE;
                                      }

                                      public void onThrowable(Throwable t) {}

                                      public State onBodyPartReceived(HttpResponseBodyPart content)
                                          throws Exception {
                                        builder.accumulate(content);
                                        return content.isLast() ? State.ABORT : State.CONTINUE;
                                      }

                                      public State onStatusReceived(
                                          HttpResponseStatus responseStatus) throws Exception {
                                        builder.accumulate(responseStatus);

                                        return State.CONTINUE;
                                      }

                                      public Response onCompleted() throws Exception {
                                        return builder.build();
                                      }
                                    })
                                .get();

                        assertNotNull(r);
                        assertEquals(r.getStatusCode(), 200);
                      });
            });
  }
  @Test
  public void asyncStreamPOSTTest() throws Throwable {

    withClient()
        .run(
            client -> {
              withServer(server)
                  .run(
                      server -> {
                        server.enqueueEcho();

                        String responseBody =
                            client
                                .preparePost(getTargetUrl()) //
                                .setHeader(
                                    CONTENT_TYPE,
                                    HttpHeaderValues.APPLICATION_X_WWW_FORM_URLENCODED) //
                                .addFormParam("param_1", "value_1") //
                                .execute(
                                    new AsyncHandlerAdapter() {
                                      private StringBuilder builder = new StringBuilder();

                                      @Override
                                      public State onHeadersReceived(HttpResponseHeaders content)
                                          throws Exception {
                                        assertContentTypesEquals(
                                            content.getHeaders().get(CONTENT_TYPE),
                                            TEXT_HTML_CONTENT_TYPE_WITH_UTF_8_CHARSET);
                                        return State.CONTINUE;
                                      }

                                      @Override
                                      public State onBodyPartReceived(HttpResponseBodyPart content)
                                          throws Exception {
                                        builder.append(
                                            new String(content.getBodyPartBytes(), US_ASCII));
                                        return State.CONTINUE;
                                      }

                                      @Override
                                      public String onCompleted() throws Exception {
                                        return builder.toString().trim();
                                      }
                                    })
                                .get(10, TimeUnit.SECONDS);

                        assertEquals(responseBody, RESPONSE);
                      });
            });
  }
  @Test
  public void asyncStreamThrowableRefusedTest() throws Throwable {

    withClient()
        .run(
            client -> {
              withServer(server)
                  .run(
                      server -> {
                        server.enqueueEcho();

                        final CountDownLatch l = new CountDownLatch(1);
                        client
                            .prepareGet(getTargetUrl())
                            .execute(
                                new AsyncHandlerAdapter() {

                                  @Override
                                  public State onHeadersReceived(HttpResponseHeaders content)
                                      throws Exception {
                                    throw new RuntimeException("FOO");
                                  }

                                  @Override
                                  public void onThrowable(Throwable t) {
                                    try {
                                      if (t.getMessage() != null) {
                                        assertEquals(t.getMessage(), "FOO");
                                      }
                                    } finally {
                                      l.countDown();
                                    }
                                  }
                                });

                        if (!l.await(10, TimeUnit.SECONDS)) {
                          fail("Timed out");
                        }
                      });
            });
  }
  @Test(timeOut = 3000)
  public void asyncStreamJustStatusLine() throws Throwable {

    withClient()
        .run(
            client -> {
              withServer(server)
                  .run(
                      server -> {
                        server.enqueueEcho();

                        final int STATUS = 0;
                        final int COMPLETED = 1;
                        final int OTHER = 2;
                        final boolean[] whatCalled = new boolean[] {false, false, false};
                        final CountDownLatch latch = new CountDownLatch(1);
                        Future<Integer> statusCode =
                            client
                                .prepareGet(getTargetUrl())
                                .execute(
                                    new AsyncHandler<Integer>() {
                                      private int status = -1;

                                      @Override
                                      public void onThrowable(Throwable t) {
                                        whatCalled[OTHER] = true;
                                        latch.countDown();
                                      }

                                      @Override
                                      public State onBodyPartReceived(HttpResponseBodyPart bodyPart)
                                          throws Exception {
                                        whatCalled[OTHER] = true;
                                        latch.countDown();
                                        return State.ABORT;
                                      }

                                      @Override
                                      public State onStatusReceived(
                                          HttpResponseStatus responseStatus) throws Exception {
                                        whatCalled[STATUS] = true;
                                        status = responseStatus.getStatusCode();
                                        latch.countDown();
                                        return State.ABORT;
                                      }

                                      @Override
                                      public State onHeadersReceived(HttpResponseHeaders headers)
                                          throws Exception {
                                        whatCalled[OTHER] = true;
                                        latch.countDown();
                                        return State.ABORT;
                                      }

                                      @Override
                                      public Integer onCompleted() throws Exception {
                                        whatCalled[COMPLETED] = true;
                                        latch.countDown();
                                        return status;
                                      }
                                    });

                        if (!latch.await(2, TimeUnit.SECONDS)) {
                          fail("Timeout");
                          return;
                        }
                        Integer status = statusCode.get(TIMEOUT, TimeUnit.SECONDS);
                        assertEquals((int) status, 200, "Expected status code failed.");

                        if (!whatCalled[STATUS]) {
                          fail("onStatusReceived not called.");
                        }
                        if (!whatCalled[COMPLETED]) {
                          fail("onCompleted not called.");
                        }
                        if (whatCalled[OTHER]) {
                          fail("Other method of AsyncHandler got called.");
                        }
                      });
            });
  }
  @Test
  public void asyncStreamReusePOSTTest() throws Throwable {

    withClient()
        .run(
            client -> {
              withServer(server)
                  .run(
                      server -> {
                        server.enqueueEcho();

                        final AtomicReference<HttpHeaders> responseHeaders =
                            new AtomicReference<>();

                        BoundRequestBuilder rb =
                            client
                                .preparePost(getTargetUrl()) //
                                .setHeader(
                                    CONTENT_TYPE,
                                    HttpHeaderValues.APPLICATION_X_WWW_FORM_URLENCODED) //
                                .addFormParam("param_1", "value_1");

                        Future<String> f =
                            rb.execute(
                                new AsyncHandlerAdapter() {
                                  private StringBuilder builder = new StringBuilder();

                                  @Override
                                  public State onHeadersReceived(HttpResponseHeaders content)
                                      throws Exception {
                                    responseHeaders.set(content.getHeaders());
                                    return State.CONTINUE;
                                  }

                                  @Override
                                  public State onBodyPartReceived(HttpResponseBodyPart content)
                                      throws Exception {
                                    builder.append(new String(content.getBodyPartBytes()));
                                    return State.CONTINUE;
                                  }

                                  @Override
                                  public String onCompleted() throws Exception {
                                    return builder.toString();
                                  }
                                });

                        String r = f.get(5, TimeUnit.SECONDS);
                        HttpHeaders h = responseHeaders.get();
                        assertNotNull(h, "Should receive non null headers");
                        assertContentTypesEquals(
                            h.get(CONTENT_TYPE), TEXT_HTML_CONTENT_TYPE_WITH_UTF_8_CHARSET);
                        assertNotNull(r, "No response body");
                        assertEquals(r.trim(), RESPONSE, "Unexpected response body");

                        responseHeaders.set(null);

                        server.enqueueEcho();

                        // Let do the same again
                        f =
                            rb.execute(
                                new AsyncHandlerAdapter() {
                                  private StringBuilder builder = new StringBuilder();

                                  @Override
                                  public State onHeadersReceived(HttpResponseHeaders content)
                                      throws Exception {
                                    responseHeaders.set(content.getHeaders());
                                    return State.CONTINUE;
                                  }

                                  @Override
                                  public State onBodyPartReceived(HttpResponseBodyPart content)
                                      throws Exception {
                                    builder.append(new String(content.getBodyPartBytes()));
                                    return State.CONTINUE;
                                  }

                                  @Override
                                  public String onCompleted() throws Exception {
                                    return builder.toString();
                                  }
                                });

                        f.get(5, TimeUnit.SECONDS);
                        h = responseHeaders.get();
                        assertNotNull(h, "Should receive non null headers");
                        assertContentTypesEquals(
                            h.get(CONTENT_TYPE), TEXT_HTML_CONTENT_TYPE_WITH_UTF_8_CHARSET);
                        assertNotNull(r, "No response body");
                        assertEquals(r.trim(), RESPONSE, "Unexpected response body");
                      });
            });
  }