/*
 * Copyright 2015-2019 the original author or authors.
 *
 * All rights reserved. This program and the accompanying materials are
 * made available under the terms of the Eclipse Public License v2.0 which
 * accompanies this distribution and is available at
 *
 * http://www.eclipse.org/legal/epl-v20.html
 */

package org.junit.jupiter.engine;

import static org.apiguardian.api.API.Status.INTERNAL;

import java.util.Optional;

import org.apiguardian.api.API;
import org.junit.jupiter.engine.config.CachingJupiterConfiguration;
import org.junit.jupiter.engine.config.DefaultJupiterConfiguration;
import org.junit.jupiter.engine.config.JupiterConfiguration;
import org.junit.jupiter.engine.descriptor.JupiterEngineDescriptor;
import org.junit.jupiter.engine.discovery.DiscoverySelectorResolver;
import org.junit.jupiter.engine.execution.JupiterEngineExecutionContext;
import org.junit.jupiter.engine.support.JupiterThrowableCollectorFactory;
import org.junit.platform.engine.EngineDiscoveryRequest;
import org.junit.platform.engine.ExecutionRequest;
import org.junit.platform.engine.TestDescriptor;
import org.junit.platform.engine.UniqueId;
import org.junit.platform.engine.support.config.PrefixedConfigurationParameters;
import org.junit.platform.engine.support.hierarchical.ForkJoinPoolHierarchicalTestExecutorService;
import org.junit.platform.engine.support.hierarchical.HierarchicalTestEngine;
import org.junit.platform.engine.support.hierarchical.HierarchicalTestExecutorService;
import org.junit.platform.engine.support.hierarchical.ThrowableCollector;

The JUnit Jupiter TestEngine.
Since:5.0
/** * The JUnit Jupiter {@link org.junit.platform.engine.TestEngine TestEngine}. * * @since 5.0 */
@API(status = INTERNAL, since = "5.0") public final class JupiterTestEngine extends HierarchicalTestEngine<JupiterEngineExecutionContext> { @Override public String getId() { return JupiterEngineDescriptor.ENGINE_ID; }
Returns org.junit.jupiter as the group ID.
/** * Returns {@code org.junit.jupiter} as the group ID. */
@Override public Optional<String> getGroupId() { return Optional.of("org.junit.jupiter"); }
Returns junit-jupiter-engine as the artifact ID.
/** * Returns {@code junit-jupiter-engine} as the artifact ID. */
@Override public Optional<String> getArtifactId() { return Optional.of("junit-jupiter-engine"); } @Override public TestDescriptor discover(EngineDiscoveryRequest discoveryRequest, UniqueId uniqueId) { JupiterConfiguration configuration = new CachingJupiterConfiguration( new DefaultJupiterConfiguration(discoveryRequest.getConfigurationParameters())); JupiterEngineDescriptor engineDescriptor = new JupiterEngineDescriptor(uniqueId, configuration); new DiscoverySelectorResolver().resolveSelectors(discoveryRequest, configuration, engineDescriptor); return engineDescriptor; } @Override protected HierarchicalTestExecutorService createExecutorService(ExecutionRequest request) { JupiterConfiguration configuration = getJupiterConfiguration(request); if (configuration.isParallelExecutionEnabled()) { return new ForkJoinPoolHierarchicalTestExecutorService(new PrefixedConfigurationParameters( request.getConfigurationParameters(), Constants.PARALLEL_CONFIG_PREFIX)); } return super.createExecutorService(request); } @Override protected JupiterEngineExecutionContext createExecutionContext(ExecutionRequest request) { return new JupiterEngineExecutionContext(request.getEngineExecutionListener(), getJupiterConfiguration(request)); }
Since:5.4
/** * @since 5.4 */
@Override protected ThrowableCollector.Factory createThrowableCollectorFactory(ExecutionRequest request) { return JupiterThrowableCollectorFactory::createThrowableCollector; } private JupiterConfiguration getJupiterConfiguration(ExecutionRequest request) { JupiterEngineDescriptor engineDescriptor = (JupiterEngineDescriptor) request.getRootTestDescriptor(); return engineDescriptor.getConfiguration(); } }