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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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//
//   http://www.apache.org/licenses/LICENSE-2.0
//
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package org.openqa.selenium.netty.server;

import static org.assertj.core.api.Assertions.assertThat;

import io.netty.channel.ChannelFuture;
import io.netty.channel.embedded.EmbeddedChannel;
import io.netty.handler.codec.http.websocketx.TextWebSocketFrame;
import org.junit.jupiter.api.Test;
import org.openqa.selenium.remote.http.TextMessage;

class MessageOutboundConverterTest {

  @Test
  void promiseIsCompletedWhenMessageIsWritten() {
    EmbeddedChannel channel = new EmbeddedChannel(new MessageOutboundConverter());

    ChannelFuture future = channel.writeAndFlush(new TextMessage("hello"));

    // The frame should land on the wire and the upstream future must complete:
    // EmbeddedChannel runs synchronously, so success means our promise was honoured
    // rather than dropped in favour of a fresh writeAndFlush() promise.
    assertThat(future.isSuccess()).isTrue();

    Object outbound = channel.readOutbound();
    assertThat(outbound).isInstanceOf(TextWebSocketFrame.class);
    TextWebSocketFrame frame = (TextWebSocketFrame) outbound;
    assertThat(frame.text()).isEqualTo("hello");
    frame.release();
  }
}
