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// Copyright Verizon Media. 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 ai.vespa.hosted.cd.internal.TestRuntimeProvider;
import com.google.inject.Inject;
import com.yahoo.component.AbstractComponent;
import com.yahoo.io.IOUtils;
import com.yahoo.jdisc.application.OsgiFramework;
import com.yahoo.vespa.testrunner.legacy.LegacyTestRunner;
import org.junit.jupiter.engine.JupiterTestEngine;
import org.junit.platform.engine.discovery.DiscoverySelectors;
import org.junit.platform.launcher.Launcher;
import org.junit.platform.launcher.LauncherDiscoveryRequest;
import org.junit.platform.launcher.core.LauncherConfig;
import org.junit.platform.launcher.core.LauncherDiscoveryRequestBuilder;
import org.junit.platform.launcher.core.LauncherFactory;
import org.junit.platform.launcher.listeners.LoggingListener;
import org.junit.platform.launcher.listeners.SummaryGeneratingListener;
import org.osgi.framework.Bundle;
import org.osgi.framework.BundleContext;
import java.io.IOException;
import java.net.URL;
import java.nio.charset.Charset;
import java.util.ArrayList;
import java.util.List;
import java.util.Optional;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.Future;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.stream.Collectors;
import java.util.stream.Stream;
/**
* @author mortent
*/
public class JunitRunner extends AbstractComponent {
private static final Logger logger = Logger.getLogger(JunitRunner.class.getName());
private final BundleContext bundleContext;
private final TestRuntimeProvider testRuntimeProvider;
private volatile Future<TestReport> execution;
@Inject
public JunitRunner(OsgiFramework osgiFramework, TestRuntimeProvider testRuntimeProvider) {
this.testRuntimeProvider = testRuntimeProvider;
var tmp = osgiFramework.bundleContext();
try {
var field = tmp.getClass().getDeclaredField("wrapped");
field.setAccessible(true);
bundleContext = (BundleContext) field.get(tmp);
} catch (NoSuchFieldException | IllegalAccessException e) {
throw new RuntimeException(e);
}
}
public void executeTests(TestDescriptor.TestCategory category, byte[] testConfig) {
if (execution != null) {
throw new RuntimeException("Test execution already in progress");
}
testRuntimeProvider.initialize(testConfig);
Optional<Bundle> testBundle = findTestBundle();
if (testBundle.isEmpty()) {
throw new RuntimeException("No test bundle available");
}
Optional<TestDescriptor> testDescriptor = loadTestDescriptor(testBundle.get());
if (testDescriptor.isEmpty()) {
throw new RuntimeException("Could not find test descriptor");
}
List<Class<?>> testClasses = loadClasses(testBundle.get(), testDescriptor.get(), category);
execution = CompletableFuture.supplyAsync(() -> launchJunit(testClasses));
}
public boolean isSupported() {
return findTestBundle().isPresent();
}
private Optional<Bundle> findTestBundle() {
return Stream.of(bundleContext.getBundles())
.filter(this::isTestBundle)
.findAny();
}
private boolean isTestBundle(Bundle bundle) {
var testBundleHeader = bundle.getHeaders().get("X-JDisc-Test-Bundle-Version");
return testBundleHeader != null && !testBundleHeader.isBlank();
}
private Optional<TestDescriptor> loadTestDescriptor(Bundle bundle) {
URL resource = bundle.getEntry(TestDescriptor.DEFAULT_FILENAME);
TestDescriptor testDescriptor;
try {
var jsonDescriptor = IOUtils.readAll(resource.openStream(), Charset.defaultCharset()).trim();
testDescriptor = TestDescriptor.fromJsonString(jsonDescriptor);
logger.info( "Test classes in bundle :" + testDescriptor.toString());
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(Collectors.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.toString());
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 TestReport launchJunit(List<Class<?>> testClasses) {
LauncherDiscoveryRequest discoveryRequest = LauncherDiscoveryRequestBuilder.request()
.selectors(
testClasses.stream().map(DiscoverySelectors::selectClass).collect(Collectors.toList())
)
.build();
var launcherConfig = LauncherConfig.builder()
.addTestEngines(new JupiterTestEngine())
.build();
Launcher launcher = LauncherFactory.create(launcherConfig);
// Create log listener:
var logLines = new ArrayList<String>();
var logListener = LoggingListener.forBiConsumer((t, m) -> log(logLines, m.get(), t));
// Create a summary listener:
var summaryListener = new SummaryGeneratingListener();
launcher.registerTestExecutionListeners(logListener, summaryListener);
// Execute request
launcher.execute(discoveryRequest);
var report = summaryListener.getSummary();
return new TestReport(report, logLines);
}
private void log(List<String> logs, String message, Throwable t) {
logs.add(message);
if(t != null) {
logs.add(t.getMessage());
List.of(t.getStackTrace()).stream()
.map(StackTraceElement::toString)
.forEach(logs::add);
}
}
@Override
public void deconstruct() {
super.deconstruct();
}
public LegacyTestRunner.Status getStatus() {
if (execution == null) return LegacyTestRunner.Status.NOT_STARTED;
if (!execution.isDone()) return LegacyTestRunner.Status.RUNNING;
try {
TestReport report = execution.get();
if (report.isSuccess()) {
return LegacyTestRunner.Status.SUCCESS;
} else {
return LegacyTestRunner.Status.FAILURE;
}
} catch (InterruptedException|ExecutionException e) {
logger.log(Level.WARNING, "Error while getting test report", e);
return LegacyTestRunner.Status.ERROR;
}
}
public String getReportAsJson() {
if (execution.isDone()) {
try {
return execution.get().toJson();
} catch (Exception e) {
logger.log(Level.WARNING, "Error getting test report", e);
return "";
}
} else {
return "";
}
}
}
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