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add unit test for TraceTelnetHandler (#7909)

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passer 2021-05-29 17:14:56 +08:00 committed by GitHub
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dubbo-plugin/dubbo-qos/src/test/java/org/apache/dubbo/qos/legacy/TraceTelnetHandlerTest.java Normal file
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/*
* 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.qos.legacy;
import org.apache.dubbo.common.URL;
import org.apache.dubbo.qos.legacy.service.DemoService;
import org.apache.dubbo.remoting.Channel;
import org.apache.dubbo.remoting.telnet.TelnetHandler;
import org.apache.dubbo.rpc.Invoker;
import org.apache.dubbo.rpc.protocol.dubbo.DubboProtocol;
import org.apache.dubbo.rpc.protocol.dubbo.filter.TraceFilter;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import java.lang.reflect.Field;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import static org.mockito.BDDMockito.given;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.reset;
public class TraceTelnetHandlerTest {
private TelnetHandler handler;
private Channel mockChannel;
private Invoker<DemoService> mockInvoker;
private URL url = URL.valueOf("dubbo://127.0.0.1:20884/demo");
@BeforeEach
public void setUp() {
handler = new TraceTelnetHandler();
mockChannel = mock(Channel.class);
mockInvoker = mock(Invoker.class);
given(mockInvoker.getInterface()).willReturn(DemoService.class);
given(mockInvoker.getUrl()).willReturn(url);
}
@AfterEach
public void tearDown() {
reset(mockChannel, mockInvoker);
ProtocolUtils.closeAll();
}
@Test
public void testTraceTelnetAddTracer() throws Exception {
String method = "sayHello";
String message = "org.apache.dubbo.qos.legacy.service.DemoService sayHello 1";
Class<?> type = DemoService.class;
DubboProtocol.getDubboProtocol().export(mockInvoker);
handler.telnet(mockChannel, message);
String key = type.getName() + "." + method;
Field tracers = TraceFilter.class.getDeclaredField("TRACERS");
tracers.setAccessible(true);
ConcurrentHashMap<String, Set<Channel>> map =
(ConcurrentHashMap<String, Set<Channel>>) tracers.get(new ConcurrentHashMap<String, Set<Channel>>());
Set<Channel> channels = map.getOrDefault(key, null);
Assertions.assertNotNull(channels);
Assertions.assertTrue(channels.contains(mockChannel));
}
}