/*
 * 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.telnet.support;

import org.apache.dubbo.common.URL;
import org.apache.dubbo.remoting.Channel;
import org.apache.dubbo.remoting.telnet.support.command.HelpTelnetHandler;

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

class HelpTelnetHandlerTest {
    @Test
    void test() {
        Channel channel = Mockito.mock(Channel.class);
        Mockito.when(channel.getUrl()).thenReturn(URL.valueOf("dubbo://127.0.0.1:12345"));

        HelpTelnetHandler helpTelnetHandler = new HelpTelnetHandler();
        // default output
        String prompt = "Please input \"help [command]\" show detail.\r\n";
        Assertions.assertTrue(helpTelnetHandler.telnet(channel, "").contains(prompt));

        // "help" command output
        String demoOutput =
                "Command:\r\n" +
                "    help [command]\r\n" +
                "Summary:\r\n" +
                "    Show help.\r\n" +
                "Detail:\r\n" +
                "    Show help.";
        Assertions.assertEquals(helpTelnetHandler.telnet(channel, "help"),demoOutput);
    }
}
