Examples with HeapBufferedAsyncResponseConsumer org.elasticsearch.client.HeapBufferedAsyncResponseConsumer used on opensource projects

Example 1 with HeapBufferedAsyncResponseConsumer

use of org.elasticsearch.client.HeapBufferedAsyncResponseConsumer in project elasticsearch by elastic.

the class RemoteScrollableHitSourceTests method testTooLargeResponse.

@SuppressWarnings({ "unchecked", "rawtypes" })
public void testTooLargeResponse() throws Exception {
    ContentTooLongException tooLong = new ContentTooLongException("too long!");
    CloseableHttpAsyncClient httpClient = mock(CloseableHttpAsyncClient.class);
    when(httpClient.<HttpResponse>execute(any(HttpAsyncRequestProducer.class), any(HttpAsyncResponseConsumer.class), any(HttpClientContext.class), any(FutureCallback.class))).then(new Answer<Future<HttpResponse>>() {

        @Override
        public Future<HttpResponse> answer(InvocationOnMock invocationOnMock) throws Throwable {
            HeapBufferedAsyncResponseConsumer consumer = (HeapBufferedAsyncResponseConsumer) invocationOnMock.getArguments()[1];
            FutureCallback callback = (FutureCallback) invocationOnMock.getArguments()[3];
            assertEquals(new ByteSizeValue(100, ByteSizeUnit.MB).bytesAsInt(), consumer.getBufferLimit());
            callback.failed(tooLong);
            return null;
        }
    });
    RemoteScrollableHitSource source = sourceWithMockedClient(true, httpClient);
    AtomicBoolean called = new AtomicBoolean();
    Consumer<Response> checkResponse = r -> called.set(true);
    Throwable e = expectThrows(RuntimeException.class, () -> source.doStartNextScroll(FAKE_SCROLL_ID, timeValueMillis(0), checkResponse));
    // Unwrap the some artifacts from the test
    while (e.getMessage().equals("failed")) {
        e = e.getCause();
    }
    // This next exception is what the user sees
    assertEquals("Remote responded with a chunk that was too large. Use a smaller batch size.", e.getMessage());
    // And that exception is reported as being caused by the underlying exception returned by the client
    assertSame(tooLong, e.getCause());
    assertFalse(called.get());
}