| /* |
| * 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.jackrabbit.oak.plugins.index.elastic; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.Random; |
| |
| public final class ElasticTestUtils { |
| private static final Logger LOG = LoggerFactory.getLogger(ElasticTestUtils.class); |
| |
| public static void assertEventually(Runnable r, long timeoutMillis) { |
| final long start = System.currentTimeMillis(); |
| long lastAttempt = 0; |
| int attempts = 0; |
| |
| while (true) { |
| try { |
| attempts++; |
| LOG.info("assertEventually attempt count:{}", attempts); |
| lastAttempt = System.currentTimeMillis(); |
| r.run(); |
| return; |
| } catch (Throwable e) { |
| long elapsedTime = lastAttempt - start; |
| LOG.trace("assertEventually attempt {} failed because of {}", attempts, e.getMessage()); |
| if (elapsedTime >= timeoutMillis) { |
| String msg = String.format("Condition not satisfied after %1.2f seconds and %d attempts", |
| elapsedTime / 1000d, attempts); |
| throw new AssertionError(msg, e); |
| } |
| try { |
| Thread.sleep(100); |
| } catch (InterruptedException ex) { |
| ex.printStackTrace(); |
| } |
| |
| } |
| } |
| } |
| |
| public static String randomString(int size) { |
| return randomString(new Random(42), size); |
| } |
| |
| public static String randomString(Random random, int size) { |
| int leftLimit = 48; // '0' |
| int rightLimit = 122; // char '~' |
| |
| return random.ints(leftLimit, rightLimit + 1) |
| .limit(size) |
| .collect(StringBuilder::new, StringBuilder::appendCodePoint, StringBuilder::append) |
| .toString(); |
| } |
| } |