| /* |
| * ==================================================================== |
| * 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. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| * |
| */ |
| package org.apache.hc.client5.http.impl; |
| |
| import java.io.IOException; |
| import java.net.ConnectException; |
| import java.net.NoRouteToHostException; |
| import java.net.SocketTimeoutException; |
| import java.net.UnknownHostException; |
| import java.time.Instant; |
| import java.time.temporal.ChronoUnit; |
| |
| import javax.net.ssl.SSLException; |
| |
| import org.apache.hc.client5.http.classic.methods.HttpGet; |
| import org.apache.hc.client5.http.utils.DateUtils; |
| import org.apache.hc.core5.http.ConnectionClosedException; |
| import org.apache.hc.core5.http.HttpHeaders; |
| import org.apache.hc.core5.http.HttpResponse; |
| import org.apache.hc.core5.http.message.BasicHttpResponse; |
| import org.apache.hc.core5.util.TimeValue; |
| import org.junit.Assert; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| public class TestDefaultHttpRequestRetryStrategy { |
| |
| private DefaultHttpRequestRetryStrategy retryStrategy; |
| |
| @Before |
| public void setup() { |
| this.retryStrategy = new DefaultHttpRequestRetryStrategy(3, TimeValue.ofMilliseconds(1234L)); |
| } |
| |
| @Test |
| public void testBasics() throws Exception { |
| final HttpResponse response1 = new BasicHttpResponse(503, "Oopsie"); |
| Assert.assertTrue(this.retryStrategy.retryRequest(response1, 1, null)); |
| Assert.assertTrue(this.retryStrategy.retryRequest(response1, 2, null)); |
| Assert.assertTrue(this.retryStrategy.retryRequest(response1, 3, null)); |
| Assert.assertFalse(this.retryStrategy.retryRequest(response1, 4, null)); |
| final HttpResponse response2 = new BasicHttpResponse(500, "Big Time Oopsie"); |
| Assert.assertFalse(this.retryStrategy.retryRequest(response2, 1, null)); |
| final HttpResponse response3 = new BasicHttpResponse(429, "Oopsie"); |
| Assert.assertTrue(this.retryStrategy.retryRequest(response3, 1, null)); |
| Assert.assertTrue(this.retryStrategy.retryRequest(response3, 2, null)); |
| Assert.assertTrue(this.retryStrategy.retryRequest(response3, 3, null)); |
| Assert.assertFalse(this.retryStrategy.retryRequest(response3, 4, null)); |
| |
| Assert.assertEquals(TimeValue.ofMilliseconds(1234L), this.retryStrategy.getRetryInterval(response1, 1, null)); |
| } |
| |
| @Test |
| public void testRetryAfterHeaderAsLong() throws Exception { |
| final HttpResponse response = new BasicHttpResponse(503, "Oopsie"); |
| response.setHeader(HttpHeaders.RETRY_AFTER, "321"); |
| |
| Assert.assertEquals(TimeValue.ofSeconds(321L), this.retryStrategy.getRetryInterval(response, 3, null)); |
| } |
| |
| @Test |
| public void testRetryAfterHeaderAsDate() throws Exception { |
| this.retryStrategy = new DefaultHttpRequestRetryStrategy(3, TimeValue.ZERO_MILLISECONDS); |
| final HttpResponse response = new BasicHttpResponse(503, "Oopsie"); |
| response.setHeader(HttpHeaders.RETRY_AFTER, DateUtils.formatStandardDate(Instant.now().plus(100, ChronoUnit.SECONDS))); |
| |
| Assert.assertTrue(this.retryStrategy.getRetryInterval(response, 3, null).compareTo(TimeValue.ZERO_MILLISECONDS) > 0); |
| } |
| |
| @Test |
| public void testRetryAfterHeaderAsPastDate() throws Exception { |
| final HttpResponse response = new BasicHttpResponse(503, "Oopsie"); |
| response.setHeader(HttpHeaders.RETRY_AFTER, DateUtils.formatStandardDate(Instant.now().minus(100, ChronoUnit.SECONDS))); |
| |
| Assert.assertEquals(TimeValue.ofMilliseconds(1234L), this.retryStrategy.getRetryInterval(response, 3, null)); |
| } |
| |
| @Test |
| public void testInvalidRetryAfterHeader() throws Exception { |
| final HttpResponse response = new BasicHttpResponse(503, "Oopsie"); |
| response.setHeader(HttpHeaders.RETRY_AFTER, "Stuff"); |
| |
| Assert.assertEquals(TimeValue.ofMilliseconds(1234L), retryStrategy.getRetryInterval(response, 3, null)); |
| } |
| |
| @Test |
| public void noRetryOnConnectTimeout() throws Exception { |
| final HttpGet request = new HttpGet("/"); |
| |
| Assert.assertFalse(retryStrategy.retryRequest(request, new SocketTimeoutException(), 1, null)); |
| } |
| |
| @Test |
| public void noRetryOnConnect() throws Exception { |
| final HttpGet request = new HttpGet("/"); |
| |
| Assert.assertFalse(retryStrategy.retryRequest(request, new ConnectException(), 1, null)); |
| } |
| |
| @Test |
| public void noRetryOnConnectionClosed() throws Exception { |
| final HttpGet request = new HttpGet("/"); |
| |
| Assert.assertFalse(retryStrategy.retryRequest(request, new ConnectionClosedException(), 1, null)); |
| } |
| |
| @Test |
| public void noRetryForNoRouteToHostException() { |
| final HttpGet request = new HttpGet("/"); |
| |
| Assert.assertFalse(retryStrategy.retryRequest(request, new NoRouteToHostException(), 1, null)); |
| } |
| |
| @Test |
| public void noRetryOnSSLFailure() throws Exception { |
| final HttpGet request = new HttpGet("/"); |
| |
| Assert.assertFalse(retryStrategy.retryRequest(request, new SSLException("encryption failed"), 1, null)); |
| } |
| |
| @Test |
| public void noRetryOnUnknownHost() throws Exception { |
| final HttpGet request = new HttpGet("/"); |
| |
| Assert.assertFalse(retryStrategy.retryRequest(request, new UnknownHostException(), 1, null)); |
| } |
| |
| @Test |
| public void noRetryOnAbortedRequests() throws Exception { |
| final HttpGet request = new HttpGet("/"); |
| request.cancel(); |
| |
| Assert.assertFalse(retryStrategy.retryRequest(request, new IOException(), 1, null)); |
| } |
| |
| @Test |
| public void retryOnNonAbortedRequests() throws Exception { |
| final HttpGet request = new HttpGet("/"); |
| |
| Assert.assertTrue(retryStrategy.retryRequest(request, new IOException(), 1, null)); |
| } |
| |
| } |