/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.dubbo.remoting.transport.dispatcher;

import org.apache.dubbo.common.URL;
import org.apache.dubbo.common.url.component.ServiceConfigURL;
import org.apache.dubbo.remoting.ChannelHandler;
import org.apache.dubbo.remoting.transport.MultiMessageHandler;

import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;
import org.mockito.Mockito;

class ChannelHandlersTest {
    @Test
    void test() {
        ChannelHandlers instance1 = ChannelHandlers.getInstance();
        ChannelHandlers instance2 = ChannelHandlers.getInstance();
        Assertions.assertEquals(instance1, instance2);

        ChannelHandler channelHandler = Mockito.mock(ChannelHandler.class);
        URL url = new ServiceConfigURL("dubbo", "127.0.0.1", 9999);
        ChannelHandler wrappedHandler = ChannelHandlers.wrap(channelHandler, url);
        Assertions.assertTrue(wrappedHandler instanceof MultiMessageHandler);

        MultiMessageHandler multiMessageHandler = (MultiMessageHandler) wrappedHandler;
        ChannelHandler handler = multiMessageHandler.getHandler();
        Assertions.assertEquals(channelHandler, handler);
    }
}
