| /* |
| * ==================================================================== |
| * 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.cache; |
| |
| import static org.mockito.ArgumentMatchers.isA; |
| import static org.mockito.Mockito.doThrow; |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.times; |
| import static org.mockito.Mockito.verify; |
| import static org.mockito.Mockito.when; |
| |
| import java.io.IOException; |
| import java.util.concurrent.RejectedExecutionException; |
| import java.util.concurrent.TimeUnit; |
| |
| import org.apache.hc.client5.http.HttpRoute; |
| import org.apache.hc.client5.http.cache.HeaderConstants; |
| import org.apache.hc.client5.http.cache.HttpCacheEntry; |
| import org.apache.hc.client5.http.protocol.HttpClientContext; |
| import org.apache.hc.client5.http.sync.ExecChain; |
| import org.apache.hc.client5.http.sync.ExecRuntime; |
| import org.apache.hc.client5.http.sync.methods.HttpGet; |
| import org.apache.hc.core5.http.ClassicHttpRequest; |
| import org.apache.hc.core5.http.Header; |
| import org.apache.hc.core5.http.HttpHost; |
| import org.apache.hc.core5.http.message.BasicHeader; |
| import org.apache.hc.core5.http.message.BasicHeaderIterator; |
| import org.junit.Assert; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.mockito.ArgumentCaptor; |
| |
| @SuppressWarnings({"boxing","static-access"}) // test code |
| public class TestAsynchronousValidator { |
| |
| private AsynchronousValidator impl; |
| |
| private CachingExec mockClient; |
| private HttpHost host; |
| private HttpRoute route; |
| private ClassicHttpRequest request; |
| private HttpClientContext context; |
| private ExecChain.Scope scope; |
| private ExecChain mockExecChain; |
| private ExecRuntime mockEndpoint; |
| private HttpCacheEntry mockCacheEntry; |
| |
| private SchedulingStrategy mockSchedulingStrategy; |
| |
| @Before |
| public void setUp() { |
| mockClient = mock(CachingExec.class); |
| host = new HttpHost("foo.example.com", 80); |
| route = new HttpRoute(host); |
| request = new HttpGet("/"); |
| context = HttpClientContext.create(); |
| mockExecChain = mock(ExecChain.class); |
| mockEndpoint = mock(ExecRuntime.class); |
| mockCacheEntry = mock(HttpCacheEntry.class); |
| mockSchedulingStrategy = mock(SchedulingStrategy.class); |
| scope = new ExecChain.Scope(route, request, mockEndpoint, context); |
| } |
| |
| @Test |
| public void testRevalidateCacheEntrySchedulesExecutionAndPopulatesIdentifier() { |
| impl = new AsynchronousValidator(mockSchedulingStrategy); |
| |
| when(mockCacheEntry.hasVariants()).thenReturn(false); |
| |
| impl.revalidateCacheEntry(mockClient, host, request, scope, mockExecChain, mockCacheEntry); |
| |
| verify(mockCacheEntry).hasVariants(); |
| verify(mockSchedulingStrategy).schedule(isA(AsynchronousValidationRequest.class)); |
| |
| Assert.assertEquals(1, impl.getScheduledIdentifiers().size()); |
| } |
| |
| @Test |
| public void testMarkCompleteRemovesIdentifier() { |
| impl = new AsynchronousValidator(mockSchedulingStrategy); |
| |
| when(mockCacheEntry.hasVariants()).thenReturn(false); |
| |
| impl.revalidateCacheEntry(mockClient, host, request, scope, mockExecChain, mockCacheEntry); |
| |
| final ArgumentCaptor<AsynchronousValidationRequest> cap = ArgumentCaptor.forClass(AsynchronousValidationRequest.class); |
| verify(mockCacheEntry).hasVariants(); |
| verify(mockSchedulingStrategy).schedule(cap.capture()); |
| |
| Assert.assertEquals(1, impl.getScheduledIdentifiers().size()); |
| |
| impl.markComplete(cap.getValue().getIdentifier()); |
| |
| Assert.assertEquals(0, impl.getScheduledIdentifiers().size()); |
| } |
| |
| @Test |
| public void testRevalidateCacheEntryDoesNotPopulateIdentifierOnRejectedExecutionException() { |
| impl = new AsynchronousValidator(mockSchedulingStrategy); |
| |
| when(mockCacheEntry.hasVariants()).thenReturn(false); |
| doThrow(new RejectedExecutionException()).when(mockSchedulingStrategy).schedule(isA(AsynchronousValidationRequest.class)); |
| |
| impl.revalidateCacheEntry(mockClient, host, request, scope, mockExecChain, mockCacheEntry); |
| |
| verify(mockCacheEntry).hasVariants(); |
| |
| Assert.assertEquals(0, impl.getScheduledIdentifiers().size()); |
| verify(mockSchedulingStrategy).schedule(isA(AsynchronousValidationRequest.class)); |
| } |
| |
| @Test |
| public void testRevalidateCacheEntryProperlyCollapsesRequest() { |
| impl = new AsynchronousValidator(mockSchedulingStrategy); |
| |
| when(mockCacheEntry.hasVariants()).thenReturn(false); |
| |
| impl.revalidateCacheEntry(mockClient, host, request, scope, mockExecChain, mockCacheEntry); |
| impl.revalidateCacheEntry(mockClient, host, request, scope, mockExecChain, mockCacheEntry); |
| |
| verify(mockCacheEntry, times(2)).hasVariants(); |
| verify(mockSchedulingStrategy).schedule(isA(AsynchronousValidationRequest.class)); |
| |
| Assert.assertEquals(1, impl.getScheduledIdentifiers().size()); |
| } |
| |
| @Test |
| public void testVariantsBothRevalidated() { |
| impl = new AsynchronousValidator(mockSchedulingStrategy); |
| |
| final ClassicHttpRequest req1 = new HttpGet("/"); |
| req1.addHeader(new BasicHeader("Accept-Encoding", "identity")); |
| |
| final ClassicHttpRequest req2 = new HttpGet("/"); |
| req2.addHeader(new BasicHeader("Accept-Encoding", "gzip")); |
| |
| final Header[] variantHeaders = new Header[] { |
| new BasicHeader(HeaderConstants.VARY, "Accept-Encoding") |
| }; |
| |
| when(mockCacheEntry.hasVariants()).thenReturn(true); |
| when(mockCacheEntry.headerIterator(HeaderConstants.VARY)).thenReturn( |
| new BasicHeaderIterator(variantHeaders, HeaderConstants.VARY)); |
| mockSchedulingStrategy.schedule(isA(AsynchronousValidationRequest.class)); |
| |
| impl.revalidateCacheEntry(mockClient, host, req1, new ExecChain.Scope(route, req1, mockEndpoint, context), |
| mockExecChain, mockCacheEntry); |
| impl.revalidateCacheEntry(mockClient, host, req2, new ExecChain.Scope(route, req2, mockEndpoint, context), |
| mockExecChain, mockCacheEntry); |
| |
| verify(mockCacheEntry, times(2)).hasVariants(); |
| verify(mockCacheEntry, times(2)).headerIterator(HeaderConstants.VARY); |
| verify(mockSchedulingStrategy, times(2)).schedule(isA(AsynchronousValidationRequest.class)); |
| |
| Assert.assertEquals(2, impl.getScheduledIdentifiers().size()); |
| } |
| |
| @Test |
| public void testRevalidateCacheEntryEndToEnd() throws Exception { |
| final CacheConfig config = CacheConfig.custom() |
| .setAsynchronousWorkersMax(1) |
| .setAsynchronousWorkersCore(1) |
| .build(); |
| final ImmediateSchedulingStrategy schedulingStrategy = new ImmediateSchedulingStrategy(config); |
| impl = new AsynchronousValidator(schedulingStrategy); |
| |
| when(mockCacheEntry.hasVariants()).thenReturn(false); |
| when(mockClient.revalidateCacheEntry( |
| host, request, scope, mockExecChain, mockCacheEntry)).thenReturn(null); |
| |
| impl.revalidateCacheEntry(mockClient, host, request, scope, mockExecChain, mockCacheEntry); |
| |
| try { |
| // shut down backend executor and make sure all finishes properly, 1 second should be sufficient |
| schedulingStrategy.close(); |
| schedulingStrategy.awaitTermination(1, TimeUnit.SECONDS); |
| } catch (final InterruptedException ie) { |
| |
| } finally { |
| verify(mockCacheEntry).hasVariants(); |
| verify(mockClient).revalidateCacheEntry(host, request, scope, mockExecChain, mockCacheEntry); |
| |
| Assert.assertEquals(0, impl.getScheduledIdentifiers().size()); |
| } |
| } |
| |
| @Test |
| public void testSchedulingStrategyShutdownOnClose() throws IOException { |
| impl = new AsynchronousValidator(mockSchedulingStrategy); |
| |
| impl.close(); |
| |
| verify(mockSchedulingStrategy).close(); |
| } |
| } |