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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.zookeeper;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.junit.jupiter.api.Assertions.fail;
import java.io.IOException;
import org.apache.zookeeper.client.ZKClientConfig;
import org.apache.zookeeper.common.ZKConfig;
import org.apache.zookeeper.test.TestByteBufAllocator;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
public class ClientCnxnSocketTest {
@BeforeEach
public void setUp() {
ClientCnxnSocketNetty.setTestAllocator(TestByteBufAllocator.getInstance());
}
@AfterEach
public void tearDown() {
ClientCnxnSocketNetty.clearTestAllocator();
TestByteBufAllocator.checkForLeaks();
}
@Test
public void testWhenInvalidJuteMaxBufferIsConfiguredIOExceptionIsThrown() {
ZKClientConfig clientConfig = new ZKClientConfig();
String value = "SomeInvalidInt";
clientConfig.setProperty(ZKConfig.JUTE_MAXBUFFER, value);
// verify ClientCnxnSocketNIO creation
try {
new ClientCnxnSocketNIO(clientConfig);
fail("IOException is expected.");
} catch (IOException e) {
assertTrue(e.getMessage().contains(value));
}
// verify ClientCnxnSocketNetty creation
try {
new ClientCnxnSocketNetty(clientConfig);
fail("IOException is expected.");
} catch (IOException e) {
assertTrue(e.getMessage().contains(value));
}
}
/*
* Tests readLength():
* 1. successfully read packet if length == jute.maxbuffer;
* 2. IOException is thrown if packet length is greater than jute.maxbuffer.
*/
@Test
public void testIOExceptionIsThrownWhenPacketLenExceedsJuteMaxBuffer() throws IOException {
ClientCnxnSocket clientCnxnSocket = new ClientCnxnSocketNIO(new ZKClientConfig());
// Should successfully read packet length == jute.maxbuffer
int length = ZKClientConfig.CLIENT_MAX_PACKET_LENGTH_DEFAULT;
clientCnxnSocket.incomingBuffer.putInt(length);
clientCnxnSocket.incomingBuffer.rewind();
clientCnxnSocket.readLength();
// Failed to read packet length > jute.maxbuffer
length = ZKClientConfig.CLIENT_MAX_PACKET_LENGTH_DEFAULT + 1;
clientCnxnSocket.incomingBuffer.putInt(length);
clientCnxnSocket.incomingBuffer.rewind();
try {
clientCnxnSocket.readLength();
fail("IOException is expected.");
} catch (IOException e) {
assertEquals("Packet len " + length + " is out of range!", e.getMessage());
}
}
}
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