oscerd commented on code in PR #26734: URL: https://github.com/apache/camel/pull/26734#discussion_r4080202865
########## core/camel-core/src/test/java/org/apache/camel/util/HttpResourceTimeoutTest.java: ########## @@ -0,0 +1,173 @@ +/* + * 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.camel.util; + +import java.io.IOException; +import java.net.ServerSocket; +import java.net.Socket; +import java.net.SocketTimeoutException; +import java.util.Properties; +import java.util.concurrent.CountDownLatch; +import java.util.concurrent.TimeUnit; + +import org.apache.camel.CamelContext; +import org.apache.camel.impl.DefaultCamelContext; +import org.apache.camel.impl.engine.DefaultResourceResolvers; +import org.apache.camel.spi.Resource; +import org.apache.camel.support.ResourceHelper; +import org.junit.jupiter.api.AfterEach; +import org.junit.jupiter.api.BeforeEach; +import org.junit.jupiter.api.Test; +import org.junit.jupiter.api.Timeout; + +import static org.junit.jupiter.api.Assertions.assertEquals; +import static org.junit.jupiter.api.Assertions.assertFalse; +import static org.junit.jupiter.api.Assertions.assertThrows; +import static org.junit.jupiter.api.Assertions.assertTrue; + +/** + * An {@code http:} resource must not be able to stall the caller forever. + * <p/> + * The server here accepts the connection and then never answers, which is the only shape that reproduces the problem: a + * refused connection fails fast on its own, so nothing is proven by pointing at a closed port. + * <p/> + * The timeouts below are deliberately {@code SEPARATE_THREAD}: the default mode only measures elapsed time once the + * test method returns, so a regression that restores the indefinite wait would hang the build instead of failing it. + */ +public class HttpResourceTimeoutTest { + + private ServerSocket server; + private Thread acceptor; + private CountDownLatch accepted; + private volatile boolean stopped; + + @BeforeEach + void startMuteServer() throws Exception { + server = new ServerSocket(0); + accepted = new CountDownLatch(1); + acceptor = new Thread(() -> { + while (!stopped) { + try (Socket socket = server.accept()) { + accepted.countDown(); + // hold the connection open and write nothing at all, so the client is left waiting on a read + while (!stopped && !socket.isClosed()) { + Thread.onSpinWait(); + } + } catch (IOException e) { + return; + } + } + }, "mute-http-server"); + acceptor.setDaemon(true); + acceptor.start(); + stopped = false; + } + + @AfterEach + void stopMuteServer() throws Exception { + stopped = true; + server.close(); + acceptor.join(TimeUnit.SECONDS.toMillis(5)); + } + + private CamelContext contextWithReadTimeout(String millis) { + CamelContext context = new DefaultCamelContext(); + Properties properties = new Properties(); + properties.setProperty(DefaultResourceResolvers.HTTP_READ_TIMEOUT_PROPERTY, millis); + context.getPropertiesComponent().setInitialProperties(properties); + context.start(); + return context; + } + + private String muteUrl() { + return "http://localhost:"; + server.getLocalPort() + "/policy.rego"; + } + + @Test + @Timeout(value = 30, threadMode = Timeout.ThreadMode.SEPARATE_THREAD) + public void getInputStreamGivesUpOnAServerThatNeverAnswers() throws Exception { + CamelContext context = contextWithReadTimeout("500"); + try { + Resource resource = ResourceHelper.resolveResource(context, muteUrl()); + + assertThrows(SocketTimeoutException.class, resource::getInputStream); + assertTrue(accepted.await(5, TimeUnit.SECONDS), + "the server should have accepted the connection - a refused connect proves nothing"); + } finally { + context.stop(); + } + } + + @Test + @Timeout(value = 30, threadMode = Timeout.ThreadMode.SEPARATE_THREAD) + public void existsGivesUpOnAServerThatNeverAnswers() throws Exception { + CamelContext context = contextWithReadTimeout("500"); + try { + Resource resource = ResourceHelper.resolveResource(context, muteUrl()); + + // exists() wraps the IOException rather than declaring it, so the timeout surfaces as the cause + IllegalArgumentException e = assertThrows(IllegalArgumentException.class, resource::exists); + assertEquals(SocketTimeoutException.class, e.getCause().getClass()); + } finally { + context.stop(); + } + } + + @Test + @Timeout(value = 30, threadMode = Timeout.ThreadMode.SEPARATE_THREAD) + public void httpsResourcesAreBoundedToo() throws Exception { + CamelContext context = contextWithReadTimeout("500"); + try { + // the https resolver hands back the same HttpResource, so it must inherit the same bound; the handshake + // against a mute plain-text server is what fails here, and it must fail rather than hang + Resource resource + = ResourceHelper.resolveResource(context, "https://localhost:"; + server.getLocalPort() + "/x"); + + assertThrows(IOException.class, resource::getInputStream); + } finally { + context.stop(); + } + } + + @Test + @Timeout(value = 30, threadMode = Timeout.ThreadMode.SEPARATE_THREAD) + public void aResourceThatIsNotThereStillReportsAbsent() throws Exception { Review Comment: Covered by the reply on the class-declaration thread: the CLAUDE.md test-visibility rule this follows from is not in the file, and `core/camel-core` is 2725 public test classes to 112 package-private, with `ResourceHelperTest` next door public. Leaving the method as-is for consistency with the module. _Claude Code on behalf of @oscerd_ -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
