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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.testrunner;
import ai.vespa.hosted.api.TestDescriptor;
import com.yahoo.io.IOUtils;
import com.yahoo.jdisc.application.OsgiFramework;
import com.yahoo.vespa.testrunner.TestRunner.Suite;
import org.osgi.framework.Bundle;
import org.osgi.framework.BundleContext;
import java.io.IOException;
import java.net.URL;
import java.util.List;
import java.util.Optional;
import java.util.logging.Logger;
import java.util.stream.Stream;
import static java.nio.charset.StandardCharsets.UTF_8;
import static java.util.stream.Collectors.toList;
/**
* @author mortent
*/
class TestBundleLoader {
private static final Logger logger = Logger.getLogger(TestBundleLoader.class.getName());
private final BundleContext bundleContext;
public TestBundleLoader(OsgiFramework osgi) {
this.bundleContext = getUnrestrictedBundleContext(osgi);
}
List<Class<?>> loadTestClasses(Suite suite) {
Optional<Bundle> testBundle = findTestBundle();
if (testBundle.isEmpty())
return null;
Optional<TestDescriptor> testDescriptor = loadTestDescriptor(testBundle.get());
if (testDescriptor.isEmpty())
throw new RuntimeException("Could not find test descriptor");
return loadClasses(testBundle.get(), testDescriptor.get(), toCategory(suite));
}
private Optional<Bundle> findTestBundle() {
return Stream.of(bundleContext.getBundles()).filter(this::isTestBundle).findAny();
}
private boolean isTestBundle(Bundle bundle) {
String testBundleHeader = bundle.getHeaders().get("X-JDisc-Test-Bundle-Version");
return testBundleHeader != null && ! testBundleHeader.isBlank();
}
private static Optional<TestDescriptor> loadTestDescriptor(Bundle bundle) {
URL resource = bundle.getEntry(TestDescriptor.DEFAULT_FILENAME);
TestDescriptor testDescriptor;
try {
var jsonDescriptor = IOUtils.readAll(resource.openStream(), UTF_8).trim();
testDescriptor = TestDescriptor.fromJsonString(jsonDescriptor);
logger.info("Test classes in bundle: " + testDescriptor);
return Optional.of(testDescriptor);
}
catch (IOException e) {
return Optional.empty();
}
}
private List<Class<?>> loadClasses(Bundle bundle, TestDescriptor testDescriptor, TestDescriptor.TestCategory testCategory) {
List<Class<?>> testClasses = testDescriptor.getConfiguredTests(testCategory).stream()
.map(className -> loadClass(bundle, className))
.collect(toList());
StringBuffer buffer = new StringBuffer();
testClasses.forEach(cl -> buffer.append("\t").append(cl.toString()).append(" / ").append(cl.getClassLoader().toString()).append("\n"));
logger.info("Loaded testClasses: \n" + buffer);
return testClasses;
}
private Class<?> loadClass(Bundle bundle, String className) {
try {
return bundle.loadClass(className);
}
catch (ClassNotFoundException e) {
throw new RuntimeException("Could not find class: " + className + " in bundle " + bundle.getSymbolicName(), e);
}
}
private static TestDescriptor.TestCategory toCategory(TestRunner.Suite testProfile) {
switch(testProfile) {
case SYSTEM_TEST: return TestDescriptor.TestCategory.systemtest;
case STAGING_SETUP_TEST: return TestDescriptor.TestCategory.stagingsetuptest;
case STAGING_TEST: return TestDescriptor.TestCategory.stagingtest;
case PRODUCTION_TEST: return TestDescriptor.TestCategory.productiontest;
default: throw new RuntimeException("Unknown test profile: " + testProfile.name());
}
}
// Hack to retrieve bundle context that allows access to other bundles
private static BundleContext getUnrestrictedBundleContext(OsgiFramework framework) {
try {
BundleContext restrictedBundleContext = framework.bundleContext();
var field = restrictedBundleContext.getClass().getDeclaredField("wrapped");
field.setAccessible(true);
return (BundleContext) field.get(restrictedBundleContext);
}
catch (ReflectiveOperationException e) {
throw new RuntimeException(e);
}
}
}
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