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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.testrunner;
import ai.vespa.cloud.Environment;
import ai.vespa.cloud.SystemInfo;
import ai.vespa.cloud.Zone;
import ai.vespa.hosted.cd.internal.TestRuntimeProvider;
import com.yahoo.component.AbstractComponent;
import com.yahoo.component.annotation.Inject;
import com.yahoo.jdisc.application.OsgiFramework;
import com.yahoo.vespa.defaults.Defaults;
import org.junit.jupiter.engine.JupiterTestEngine;
import org.junit.platform.engine.discovery.ClassSelector;
import org.junit.platform.engine.discovery.DiscoverySelectors;
import org.junit.platform.launcher.LauncherDiscoveryRequest;
import org.junit.platform.launcher.TestExecutionListener;
import org.junit.platform.launcher.core.LauncherConfig;
import org.junit.platform.launcher.core.LauncherDiscoveryRequestBuilder;
import org.junit.platform.launcher.core.LauncherFactory;
import java.time.Clock;
import java.util.Collection;
import java.util.List;
import java.util.Optional;
import java.util.SortedMap;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ConcurrentSkipListMap;
import java.util.concurrent.ExecutionException;
import java.util.function.BiConsumer;
import java.util.function.Function;
import java.util.logging.Level;
import java.util.logging.LogRecord;
import java.util.logging.Logger;
/**
* @author mortent
* @author jonmv
*/
public class JunitRunner extends AbstractComponent implements TestRunner {
private static final Logger logger = Logger.getLogger(JunitRunner.class.getName());
private final Clock clock;
private final SortedMap<Long, LogRecord> logRecords = new ConcurrentSkipListMap<>();
private final TeeStream stdoutTee = TeeStream.ofSystemOut();
private final TeeStream stderrTee = TeeStream.ofSystemErr();
private final TestRuntimeProvider testRuntimeProvider;
private final Function<Suite, List<Class<?>>> classLoader;
private final BiConsumer<LauncherDiscoveryRequest, TestExecutionListener[]> testExecutor;
private volatile CompletableFuture<TestReport> execution;
@Inject
public JunitRunner(OsgiFramework osgiFramework,
JunitTestRunnerConfig config,
TestRuntimeProvider testRuntimeProvider,
SystemInfo systemInfo) {
this(Clock.systemUTC(),
testRuntimeProvider,
new TestBundleLoader(osgiFramework)::loadTestClasses,
JunitRunner::executeTests);
uglyHackSetCredentialsRootSystemProperty(config, systemInfo.zone());
}
JunitRunner(Clock clock,
TestRuntimeProvider testRuntimeProvider,
Function<Suite, List<Class<?>>> classLoader,
BiConsumer<LauncherDiscoveryRequest, TestExecutionListener[]> testExecutor) {
this.clock = clock;
this.classLoader = classLoader;
this.testExecutor = testExecutor;
this.testRuntimeProvider = testRuntimeProvider;
}
private static void executeTests(LauncherDiscoveryRequest discoveryRequest, TestExecutionListener[] listeners) {
var launcher = LauncherFactory.create(LauncherConfig.builder()
.addTestEngines(new JupiterTestEngine())
.build());
ClassLoader context = Thread.currentThread().getContextClassLoader();
try {
// Pick the bundle class loader of the first user test class, from the test class selector.
discoveryRequest.getSelectorsByType(ClassSelector.class).stream()
.map(selector -> selector.getJavaClass().getClassLoader())
.findAny().ifPresent(Thread.currentThread()::setContextClassLoader);
launcher.execute(discoveryRequest, listeners);
}
finally {
Thread.currentThread().setContextClassLoader(context);
}
}
@Override
public CompletableFuture<?> test(Suite suite, byte[] testConfig) {
if (execution != null && ! execution.isDone()) {
throw new IllegalStateException("Test execution already in progress");
}
try {
logRecords.clear();
execution = CompletableFuture.supplyAsync(() -> launchJunit(suite, testConfig));
} catch (Throwable t) {
execution = CompletableFuture.completedFuture(TestReport.createFailed(clock, suite, t));
}
return execution;
}
@Override
public Collection<LogRecord> getLog(long after) {
return logRecords.tailMap(after + 1).values();
}
private TestReport launchJunit(Suite suite, byte[] testConfig) {
List<Class<?>> testClasses = classLoader.apply(suite);
if (testClasses == null)
return null;
testRuntimeProvider.initialize(testConfig);
TestReportGeneratingListener testReportListener = new TestReportGeneratingListener(suite,
record -> logRecords.put(record.getSequenceNumber(), record),
stdoutTee,
stderrTee,
clock);
LauncherDiscoveryRequest discoveryRequest = LauncherDiscoveryRequestBuilder.request()
.selectors(testClasses.stream()
.map(DiscoverySelectors::selectClass)
.toList())
.build();
testExecutor.accept(discoveryRequest, new TestExecutionListener[] { testReportListener });
return testReportListener.report();
}
@Override
public void deconstruct() {
super.deconstruct();
}
@Override
public TestRunner.Status getStatus() {
if (execution == null) return TestRunner.Status.NOT_STARTED;
if ( ! execution.isDone()) return TestRunner.Status.RUNNING;
try {
return testRunnerStatus(execution.get());
} catch (InterruptedException | ExecutionException e) {
logger.log(Level.WARNING, "Error while getting test report", e);
return TestRunner.Status.ERROR;
}
}
static TestRunner.Status testRunnerStatus(TestReport report) {
if (report == null) return Status.NO_TESTS;
switch (report.root().status()) {
case error:
case failed: return Status.FAILURE;
case inconclusive: return Status.INCONCLUSIVE;
case successful:
case skipped:
case aborted: return report.root().tally().containsKey(TestReport.Status.successful) ? Status.SUCCESS
: Status.NO_TESTS;
default: throw new IllegalStateException("unknown status '" + report.root().status() + "'");
}
}
@Override
public TestReport getReport() {
if (execution.isDone()) {
try {
return execution.get();
} catch (Throwable t) {
logger.log(Level.WARNING, "Error getting test report", t);
// Likely this is something wrong with the provided test bundle. Create a test report
// and present in the console to enable tenants to act on it.
return TestReport.createFailed(clock, null, t);
}
} else {
return null;
}
}
// TODO(bjorncs|tokle) Propagate credentials root without system property. Ideally move knowledge about path to test-runtime implementations
private static void uglyHackSetCredentialsRootSystemProperty(JunitTestRunnerConfig config, Zone zone) {
Optional<String> credentialsRoot;
if (config.useAthenzCredentials()) {
credentialsRoot = Optional.of(Defaults.getDefaults().underVespaHome("var/vespa/sia"));
} else if (zone.environment() != Environment.prod){
// Only set credentials in non-prod zones where not available
credentialsRoot = Optional.of(config.artifactsPath().toString());
} else {
credentialsRoot = Optional.empty();
}
credentialsRoot.ifPresent(root -> System.setProperty("vespa.test.credentials.root", root));
}
}
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