mirror of https://github.com/apache/lucene.git
SOLR-5799: Add TestRetryUtil.
git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1573416 13f79535-47bb-0310-9956-ffa450edef68
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package org.apache.solr.common.util;
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/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import java.util.concurrent.atomic.AtomicInteger;
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import org.apache.solr.SolrTestCaseJ4;
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import org.apache.solr.common.SolrException;
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import org.apache.solr.common.SolrException.ErrorCode;
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import org.apache.solr.common.util.RetryUtil.RetryCmd;
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public class TestRetryUtil extends SolrTestCaseJ4 {
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public void testRetryOnThrowable() throws Throwable {
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final AtomicInteger executes = new AtomicInteger();
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RetryUtil.retryOnThrowable(SolrException.class, 10000, 10, new RetryCmd() {
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@Override
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public void execute() throws Throwable {
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int calls = executes.incrementAndGet();
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if (calls <= 2) {
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throw new SolrException(ErrorCode.SERVER_ERROR, "Bad Stuff Happened");
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}
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}
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});
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assertEquals(3, executes.get());
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final AtomicInteger executes2 = new AtomicInteger();
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boolean caughtSolrException = false;
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try {
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RetryUtil.retryOnThrowable(IllegalStateException.class, 10000, 10,
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new RetryCmd() {
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@Override
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public void execute() throws Throwable {
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int calls = executes2.incrementAndGet();
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if (calls <= 2) {
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throw new SolrException(ErrorCode.SERVER_ERROR,
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"Bad Stuff Happened");
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}
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}
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});
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} catch (SolrException e) {
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caughtSolrException = true;
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}
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assertTrue(caughtSolrException);
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assertEquals(1, executes2.get());
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final AtomicInteger executes3 = new AtomicInteger();
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caughtSolrException = false;
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try {
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RetryUtil.retryOnThrowable(SolrException.class, 1000, 10, new RetryCmd() {
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@Override
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public void execute() throws Throwable {
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executes3.incrementAndGet();
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throw new SolrException(ErrorCode.SERVER_ERROR, "Bad Stuff Happened");
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}
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});
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} catch (SolrException e) {
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caughtSolrException = true;
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}
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assertTrue(executes3.get() > 1);
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}
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}
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