TestClientH2StreamHandler.java

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 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
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package org.apache.hc.core5.http2.impl.nio;

import java.nio.ByteBuffer;

import org.apache.hc.core5.http.ProtocolException;
import org.apache.hc.core5.http.impl.BasicHttpConnectionMetrics;
import org.apache.hc.core5.http.impl.BasicHttpTransportMetrics;
import org.apache.hc.core5.http.nio.AsyncClientExchangeHandler;
import org.apache.hc.core5.http.nio.AsyncPushConsumer;
import org.apache.hc.core5.http.nio.HandlerFactory;
import org.apache.hc.core5.http.protocol.HttpCoreContext;
import org.apache.hc.core5.http.protocol.HttpProcessor;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;
import org.mockito.Mockito;

class TestClientH2StreamHandler {

    private ClientH2StreamHandler newHandler() {
        final H2StreamChannel channel = Mockito.mock(H2StreamChannel.class);
        final HttpProcessor httpProcessor = Mockito.mock(HttpProcessor.class);
        final BasicHttpConnectionMetrics metrics = new BasicHttpConnectionMetrics(
                new BasicHttpTransportMetrics(), new BasicHttpTransportMetrics());
        final AsyncClientExchangeHandler exchangeHandler = Mockito.mock(AsyncClientExchangeHandler.class);
        @SuppressWarnings("unchecked")
        final HandlerFactory<AsyncPushConsumer> pushHandlerFactory =
                (HandlerFactory<AsyncPushConsumer>) Mockito.mock(HandlerFactory.class);
        return new ClientH2StreamHandler(channel, httpProcessor, metrics, exchangeHandler, pushHandlerFactory,
                HttpCoreContext.create());
    }

    @Test
    void defaults() {
        final ClientH2StreamHandler handler = newHandler();
        Assertions.assertNotNull(handler.getPushHandlerFactory());
        Assertions.assertTrue(handler.isOutputReady());
    }

    @Test
    void consumePromiseRejected() {
        final ClientH2StreamHandler handler = newHandler();
        Assertions.assertThrows(ProtocolException.class, () -> handler.consumePromise(null));
    }

    @Test
    void consumeDataRejectedBeforeHeaders() {
        final ClientH2StreamHandler handler = newHandler();
        Assertions.assertThrows(ProtocolException.class, () ->
                handler.consumeData(ByteBuffer.allocate(0), true));
    }

    @Test
    void updateCapacityDelegates() throws Exception {
        final H2StreamChannel channel = Mockito.mock(H2StreamChannel.class);
        final HttpProcessor httpProcessor = Mockito.mock(HttpProcessor.class);
        final BasicHttpConnectionMetrics metrics = new BasicHttpConnectionMetrics(
                new BasicHttpTransportMetrics(), new BasicHttpTransportMetrics());
        final AsyncClientExchangeHandler exchangeHandler = Mockito.mock(AsyncClientExchangeHandler.class);
        @SuppressWarnings("unchecked")
        final HandlerFactory<AsyncPushConsumer> pushHandlerFactory =
                (HandlerFactory<AsyncPushConsumer>) Mockito.mock(HandlerFactory.class);
        final ClientH2StreamHandler handler = new ClientH2StreamHandler(
                channel, httpProcessor, metrics, exchangeHandler, pushHandlerFactory, HttpCoreContext.create());

        handler.updateInputCapacity();

        Mockito.verify(exchangeHandler).updateCapacity(channel);
    }

    @Test
    void toStringIncludesStates() {
        final ClientH2StreamHandler handler = newHandler();
        final String text = handler.toString();
        Assertions.assertTrue(text.contains("requestState"));
        Assertions.assertTrue(text.contains("responseState"));
    }

}