/* * Copyright The OpenTelemetry Authors * SPDX-License-Identifier: Apache-2.0 */ import io.opentelemetry.instrumentation.test.AgentInstrumentationSpecification import org.apache.catalina.WebResource import org.apache.catalina.WebResourceRoot import org.apache.catalina.loader.ParallelWebappClassLoader class TomcatClassloadingTest extends AgentInstrumentationSpecification { WebResourceRoot resources = Mock(WebResourceRoot) { getResource(_) >> Mock(WebResource) listResources(_) >> [] // Looks like 9.x.x needs this one: getResources(_) >> [] } ParallelWebappClassLoader classloader = new ParallelWebappClassLoader(null) def "tomcat class loading delegates to parent for agent classes"() { setup: classloader.setResources(resources) classloader.init() classloader.start() expect: // If instrumentation didn't work this would blow up with NPE due to incomplete resources mocking classloader.loadClass("io.opentelemetry.javaagent.bootstrap.Java8BytecodeBridge") } }