/*
 * 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.api;

import org.apache.dubbo.common.URL;
import org.apache.dubbo.common.extension.ExtensionLoader;
import org.apache.dubbo.remoting.RemotingException;

import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;
import org.opentest4j.AssertionFailedError;

import java.lang.reflect.Field;
import java.util.Map;
import java.util.function.Consumer;

class MultiplexProtocolConnectionManagerTest {
    private ConnectionManager connectionManager = ExtensionLoader.getExtensionLoader(ConnectionManager.class).getExtension(MultiplexProtocolConnectionManager.NAME);

    @Test
    void testConnect() throws Exception {
        URL url = URL.valueOf("empty://127.0.0.1:8080?foo=bar");
        Connection connection = connectionManager.connect(url);
        Assertions.assertNotNull(connection);
        Field protocolsField = connectionManager.getClass().getDeclaredField("protocols");
        protocolsField.setAccessible(true);
        Map protocolMap = (Map) protocolsField.get(connectionManager);
        Assertions.assertNotNull(protocolMap.get(url.getProtocol()));
        connection.close();
    }

    @Test
    void testForEachConnection() throws RemotingException {
        URL url = URL.valueOf("empty://127.0.0.1:8080?foo=bar");
        Connection connect1 = connectionManager.connect(url);

        // URL address should be different, otherwise the same connection will be reused.
        url = URL.valueOf("tri://127.0.0.1:8081?foo=bar");
        Connection connect2 = connectionManager.connect(url);

        Consumer<Connection> consumer = new Consumer<Connection>() {
            @Override
            public void accept(Connection connection) {
                try {
                    Assertions.assertEquals("empty", connection.getUrl().getProtocol());
                } catch (AssertionFailedError e) {
                    // AssertionFailedError is an Error that could not be catched as Exception.
                    Assertions.assertEquals("tri", connection.getUrl().getProtocol());
                }

            }
        };

        connectionManager.forEachConnection(consumer);

        // close connections to avoid impacts on other test cases.
        connect1.close();
        connect2.close();
    }

}

