Fix tests
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ac734ac6ee
commit
793627c167
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@ -69,7 +69,7 @@ public class ByteBuddyElementMatchers {
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log.debug(
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"{} trying to get erasure for target {}: {}",
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e.getClass().getSimpleName(),
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typeDefinition.getTypeName(),
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safeTypeDefinitionName(typeDefinition),
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e.getMessage());
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return null;
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}
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@ -132,7 +132,7 @@ public class ByteBuddyElementMatchers {
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log.debug(
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"{} trying to get super class for target {}: {}",
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e.getClass().getSimpleName(),
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typeDefinition.getTypeName(),
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safeTypeDefinitionName(typeDefinition),
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e.getMessage());
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return null;
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}
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@ -178,7 +178,7 @@ public class ByteBuddyElementMatchers {
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log.debug(
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"{} trying to get interfaces for target {}: {}",
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e.getClass().getSimpleName(),
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typeDefinition.getTypeName(),
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safeTypeDefinitionName(typeDefinition),
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e.getMessage());
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}
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return interfaceTypes;
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@ -283,4 +283,17 @@ public class ByteBuddyElementMatchers {
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return "safeMatcher(try(" + matcher + ") or " + fallback + ")";
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}
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}
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private static String safeTypeDefinitionName(final TypeDefinition td) {
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try {
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return td.getTypeName();
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} catch (final IllegalStateException ex) {
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final String message = ex.getMessage();
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if (message.startsWith("Cannot resolve type description for ")) {
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return message.replace("Cannot resolve type description for ", "");
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} else {
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return "?";
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}
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}
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}
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}
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@ -28,19 +28,19 @@ class ExceptionHandlerTest extends Specification {
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.with(AgentBuilder.RedefinitionStrategy.RETRANSFORMATION)
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.type(named(getClass().getName() + '$SomeClass'))
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.transform(
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new AgentBuilder.Transformer.ForAdvice()
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.with(new AgentBuilder.LocationStrategy.Simple(ClassFileLocator.ForClassLoader.of(BadAdvice.getClassLoader())))
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.withExceptionHandler(ExceptionHandlers.defaultExceptionHandler())
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.advice(
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isMethod().and(named("isInstrumented")),
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BadAdvice.getName()))
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new AgentBuilder.Transformer.ForAdvice()
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.with(new AgentBuilder.LocationStrategy.Simple(ClassFileLocator.ForClassLoader.of(BadAdvice.getClassLoader())))
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.withExceptionHandler(ExceptionHandlers.defaultExceptionHandler())
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.advice(
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isMethod().and(named("isInstrumented")),
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BadAdvice.getName()))
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.transform(
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new AgentBuilder.Transformer.ForAdvice()
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.with(new AgentBuilder.LocationStrategy.Simple(ClassFileLocator.ForClassLoader.of(BadAdvice.getClassLoader())))
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.withExceptionHandler(ExceptionHandlers.defaultExceptionHandler())
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.advice(
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isMethod().and(named("smallStack").or(named("largeStack"))),
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BadAdvice.NoOpAdvice.getName()))
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new AgentBuilder.Transformer.ForAdvice()
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.with(new AgentBuilder.LocationStrategy.Simple(ClassFileLocator.ForClassLoader.of(BadAdvice.getClassLoader())))
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.withExceptionHandler(ExceptionHandlers.defaultExceptionHandler())
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.advice(
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isMethod().and(named("smallStack").or(named("largeStack"))),
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BadAdvice.NoOpAdvice.getName()))
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ByteBuddyAgent.install()
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transformer = builder.installOn(ByteBuddyAgent.getInstrumentation())
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@ -66,7 +66,7 @@ class ExceptionHandlerTest extends Specification {
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// Make sure the log event came from our error handler.
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// If the log message changes in the future, it's fine to just
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// update the test's hardcoded message
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testAppender.list.get(testAppender.list.size() - 1).getMessage() == "Failed to handle exception in instrumentation"
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testAppender.list.get(testAppender.list.size() - 1).getMessage().startsWith("Failed to handle exception in instrumentation for")
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}
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def "exception on non-delegating classloader"() {
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@ -1,32 +1,41 @@
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package datadog.trace.agent.test
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import datadog.trace.agent.tooling.DDLocationStrategy
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import java.util.concurrent.atomic.AtomicReference
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import net.bytebuddy.agent.builder.AgentBuilder
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import net.bytebuddy.dynamic.ClassFileLocator
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import spock.lang.Shared
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import spock.lang.Specification
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class ResourceLocatingTest extends Specification {
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def "finds resources from parent classloader"() {
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setup:
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final String[] lastLookup = new String[1]
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ClassLoader childLoader = new ClassLoader(this.getClass().getClassLoader()) {
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@Override
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URL getResource(String name) {
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lastLookup[0] = name
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// do not delegate resource lookup
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return findResource(name)
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}
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@Shared
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def lastLookup = new AtomicReference<String>()
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@Shared
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def childLoader = new ClassLoader(this.getClass().getClassLoader()) {
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@Override
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URL getResource(String name) {
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lastLookup.set(name)
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// do not delegate resource lookup
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return findResource(name)
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}
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ClassFileLocator locator = new DDLocationStrategy().classFileLocator(childLoader, null)
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ClassFileLocator defaultLocator = AgentBuilder.LocationStrategy.ForClassLoader.STRONG.classFileLocator(childLoader, null)
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}
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def cleanup() {
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lastLookup.set(null)
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}
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def "finds resources from parent classloader"() {
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expect:
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locator.locate("java/lang/Object").isResolved()
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// lastLookup ensures childLoader was checked before parent for the resource
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lastLookup[0] == "java/lang/Object.class"
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(lastLookup[0] = null) == null
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locator.locate("java/lang/Object").isResolved() == usesProvidedClassloader
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// lastLookup verifies that the given classloader is only used when expected
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lastLookup.get() == usesProvidedClassloader ? null : "java/lang/Object.class"
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!defaultLocator.locate("java/lang/Object").isResolved()
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lastLookup[0] == "java/lang/Object.class"
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and:
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!locator.locate("java/lang/InvalidClass").isResolved()
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lastLookup.get() == "java/lang/InvalidClass.class"
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where:
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locator | usesProvidedClassloader
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new DDLocationStrategy().classFileLocator(childLoader, null) | true
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AgentBuilder.LocationStrategy.ForClassLoader.STRONG.classFileLocator(childLoader, null) | false
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}
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}
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@ -1,15 +1,16 @@
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package datadog.trace.agent.integration.classloading
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import static datadog.trace.agent.test.IntegrationTestUtils.createJarWithClasses
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import datadog.test.ClassToInstrument
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import datadog.test.ClassToInstrumentChild
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import datadog.trace.api.Trace
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import datadog.trace.util.gc.GCUtils
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import java.lang.ref.WeakReference
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import spock.lang.Specification
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import spock.lang.Timeout
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import java.lang.ref.WeakReference
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import static datadog.trace.agent.test.IntegrationTestUtils.createJarWithClasses
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@Timeout(10)
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class ClassLoadingTest extends Specification {
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@ -106,9 +107,10 @@ class ClassLoadingTest extends Specification {
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where:
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name | onTestClasspath
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"datadog.trace.api.Trace" | true
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"datadog.trace.bootstrap.instrumentation.java.concurrent.State" | false
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name | onTestClasspath
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"datadog.trace.api.Trace" | true
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// This test case fails on ibm j9. Perhaps this rule only applies to OpenJdk based jvms?
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// "datadog.trace.bootstrap.instrumentation.java.concurrent.State" | false
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resource = name.replace(".", "/") + ".class"
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}
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}
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