Github user eribeiro commented on a diff in the pull request:
https://github.com/apache/zookeeper/pull/99#discussion_r92297258
--- Diff:
src/java/test/org/apache/zookeeper/server/ServerCxnExceptionsTest.java ---
@@ -0,0 +1,170 @@
+/**
+ * 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.server;
+
+import org.apache.zookeeper.CreateMode;
+import org.apache.zookeeper.KeeperException;
+import org.apache.zookeeper.ZooDefs;
+import org.apache.zookeeper.ZooKeeper;
+import org.apache.zookeeper.data.Stat;
+import org.apache.zookeeper.test.ClientBase;
+import org.junit.AfterClass;
+import org.junit.Test;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import static org.junit.Assert.fail;
+
+/**
+ * Unit tests to test different exceptions scenarious in sendResponse
+ */
+public class ServerCxnExceptionsTest extends ClientBase {
+
+ private static final Logger LOG =
LoggerFactory.getLogger(ServerCxnExceptionsTest.class);
+
+ private String exceptionType;
+
+ private void NettySetup() throws Exception {
+ System.setProperty(ServerCnxnFactory.ZOOKEEPER_SERVER_CNXN_FACTORY,
+ "org.apache.zookeeper.server.NettyServerCnxnFactory");
+ System.setProperty(ServerCnxnFactory.ZOOKEEPER_SERVER_CNXN,
"org.apache.zookeeper.server.MockNettyServerCnxn");
+ System.setProperty("exception.type", "NoException");
+ }
+
+ private void NIOSetup() throws Exception {
+ System.setProperty(ServerCnxnFactory.ZOOKEEPER_SERVER_CNXN_FACTORY,
+ "org.apache.zookeeper.server.NIOServerCnxnFactory");
+ System.setProperty(ServerCnxnFactory.ZOOKEEPER_SERVER_CNXN,
"org.apache.zookeeper.server.MockNIOServerCnxn");
+ System.setProperty("exception.type", "NoException");
+ }
+
+ @AfterClass
+ public static void tearDownAfterClass() throws Exception {
+ System.clearProperty(ServerCnxnFactory.ZOOKEEPER_SERVER_CNXN_FACTORY);
+ System.clearProperty(ServerCnxnFactory.ZOOKEEPER_SERVER_CNXN);
+ System.clearProperty("exception.type");
+ }
+
+ @Test (timeout = 60000)
+ public void testNettyIOException() throws Exception {
+ tearDown();
+ NettySetup();
+ testIOExceptionHelper();
+ }
+
+ @Test (timeout = 60000)
+ public void testNIOIOException() throws Exception {
+ tearDown();
+ NIOSetup();
+ testIOExceptionHelper();
+ }
+
+ private void testIOExceptionHelper() throws Exception {
+ System.setProperty("exception.type", "IOException");
+ super.setUp();
+ final ZooKeeper zk = createClient();
+ final String path = "/a";
+ try {
+ // make sure zkclient works
+ zk.create(path, "test".getBytes(), ZooDefs.Ids.OPEN_ACL_UNSAFE,
+ CreateMode.EPHEMERAL);
+ fail("Should not come here");
+ Stat stats = zk.exists(path, false);
+ if (stats != null) {
+ int length = stats.getDataLength();
+ }
+ } catch (KeeperException.ConnectionLossException cle) {
+ LOG.info("ConnectionLossException: {}", cle);
+ } finally {
+ zk.close();
+ }
+ }
+
+ @Test (timeout = 10000)
+ public void testNettyNoException() throws Exception {
+ tearDown();
+ NettySetup();
+ testZKNoExceptionHelper();
+ }
+
+ @Test (timeout = 10000)
+ public void testNIONoException() throws Exception {
+ tearDown();
+ NIOSetup();
+ testZKNoExceptionHelper();
+ }
+
+ private void testZKNoExceptionHelper() throws Exception {
+ System.setProperty("exception.type", "NoException");
+ super.setUp();
+ final ZooKeeper zk = createClient();
+ final String path = "/a";
+ try {
+ // make sure zkclient works
+ zk.create(path, "test".getBytes(), ZooDefs.Ids.OPEN_ACL_UNSAFE,
+ CreateMode.EPHEMERAL);
+ Stat stats = zk.exists(path, false);
+ if ( stats != null ) {
+ int length = stats.getDataLength();
+ }
+ } catch (KeeperException.ConnectionLossException cle) {
+ LOG.error("ConnectionLossException: {}", cle);
+ fail("No exception should be thrown");
+ } catch (Throwable t) {
+ // error
+ LOG.error("Throwable {}", t);
+ fail("No exception should be thrown");
+ } finally {
+ zk.close();
+ }
+ }
+ @Test (timeout = 10000)
+ public void testNettyRunTimeException() throws Exception {
+ tearDown();
+ NettySetup();
+ testZKRunTimeExceptionHelper();
+ }
+
+ @Test (timeout = 10000)
+ public void testNIORunTimeException() throws Exception {
+ tearDown();
+ NIOSetup();
+ testZKRunTimeExceptionHelper();
+ }
+
+ private void testZKRunTimeExceptionHelper() throws Exception {
+ System.setProperty("exception.type", "RunTimeException");
+ super.setUp();
+ final ZooKeeper zk = createClient();
+ final String path = "/a";
+ try {
+ // make sure zkclient works
+ String returnPath = zk.create(path, "test".getBytes(),
ZooDefs.Ids.OPEN_ACL_UNSAFE,
+ CreateMode.EPHEMERAL);
+ Stat stats = zk.exists(returnPath, false);
+ if ( stats != null ) {
--- End diff --
nit: extra spaces after the parenthesis.
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