forked from apache/pulsar
/
ProtocolHandlerWithClassLoaderTest.java
152 lines (123 loc) · 5.8 KB
/
ProtocolHandlerWithClassLoaderTest.java
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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.pulsar.broker.protocol;
import static org.mockito.ArgumentMatchers.eq;
import static org.mockito.ArgumentMatchers.same;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertNull;
import static org.testng.Assert.assertTrue;
import static org.testng.Assert.expectThrows;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.socket.SocketChannel;
import java.net.InetSocketAddress;
import java.util.Map;
import org.apache.pulsar.broker.ServiceConfiguration;
import org.apache.pulsar.broker.service.BrokerService;
import org.apache.pulsar.common.nar.NarClassLoader;
import org.testng.annotations.Test;
/**
* Unit test {@link ProtocolHandlerWithClassLoader}.
*/
@Test(groups = "broker")
public class ProtocolHandlerWithClassLoaderTest {
@Test
public void testWrapper() throws Exception {
ProtocolHandler h = mock(ProtocolHandler.class);
NarClassLoader loader = mock(NarClassLoader.class);
ProtocolHandlerWithClassLoader wrapper = new ProtocolHandlerWithClassLoader(h, loader);
String protocol = "kafka";
when(h.protocolName()).thenReturn(protocol);
assertEquals(protocol, wrapper.protocolName());
verify(h, times(1)).protocolName();
when(h.accept(eq(protocol))).thenReturn(true);
assertTrue(wrapper.accept(protocol));
verify(h, times(1)).accept(same(protocol));
ServiceConfiguration conf = new ServiceConfiguration();
wrapper.initialize(conf);
verify(h, times(1)).initialize(same(conf));
BrokerService service = mock(BrokerService.class);
wrapper.start(service);
verify(h, times(1)).start(service);
String protocolData = "test-protocol-data";
when(h.getProtocolDataToAdvertise()).thenReturn(protocolData);
assertEquals(protocolData, wrapper.getProtocolDataToAdvertise());
verify(h, times(1)).getProtocolDataToAdvertise();
}
public void testClassLoaderSwitcher() throws Exception {
NarClassLoader loader = mock(NarClassLoader.class);
String protocol = "test-protocol";
ProtocolHandler h = new ProtocolHandler() {
@Override
public String protocolName() {
assertEquals(Thread.currentThread().getContextClassLoader(), loader);
return protocol;
}
@Override
public boolean accept(String protocol) {
assertEquals(Thread.currentThread().getContextClassLoader(), loader);
return true;
}
@Override
public void initialize(ServiceConfiguration conf) throws Exception {
assertEquals(Thread.currentThread().getContextClassLoader(), loader);
throw new Exception("test exception");
}
@Override
public String getProtocolDataToAdvertise() {
assertEquals(Thread.currentThread().getContextClassLoader(), loader);
return "test-protocol-data";
}
@Override
public void start(BrokerService service) {
assertEquals(Thread.currentThread().getContextClassLoader(), loader);
}
@Override
public Map<InetSocketAddress, ChannelInitializer<SocketChannel>> newChannelInitializers() {
assertEquals(Thread.currentThread().getContextClassLoader(), loader);
return null;
}
@Override
public void close() {
assertEquals(Thread.currentThread().getContextClassLoader(), loader);
}
};
ProtocolHandlerWithClassLoader wrapper = new ProtocolHandlerWithClassLoader(h, loader);
ClassLoader curClassLoader = Thread.currentThread().getContextClassLoader();
assertEquals(wrapper.protocolName(), protocol);
assertEquals(Thread.currentThread().getContextClassLoader(), curClassLoader);
assertTrue(wrapper.accept(protocol));
assertEquals(Thread.currentThread().getContextClassLoader(), curClassLoader);
ServiceConfiguration conf = new ServiceConfiguration();
expectThrows(Exception.class, () -> wrapper.initialize(conf));
assertEquals(Thread.currentThread().getContextClassLoader(), curClassLoader);
assertEquals(wrapper.getProtocolDataToAdvertise(), "test-protocol-data");
assertEquals(Thread.currentThread().getContextClassLoader(), curClassLoader);
BrokerService service = mock(BrokerService.class);
wrapper.start(service);
assertEquals(Thread.currentThread().getContextClassLoader(), curClassLoader);
assertNull(wrapper.newChannelInitializers());
assertEquals(Thread.currentThread().getContextClassLoader(), curClassLoader);
wrapper.close();
assertEquals(Thread.currentThread().getContextClassLoader(), curClassLoader);
}
}