org.eclipse.xtext.maven.XtextTestGenerateMojo Maven / Gradle / Ivy

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/*******************************************************************************
 * Copyright (c) 2020 Jan Rosczak and others.
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * SPDX-License-Identifier: EPL-2.0
 *******************************************************************************/
package org.eclipse.xtext.maven;

import static com.google.common.collect.Iterables.filter;
import static com.google.common.collect.Sets.newLinkedHashSet;

import java.util.List;
import java.util.Set;

import org.apache.maven.plugins.annotations.LifecyclePhase;
import org.apache.maven.plugins.annotations.Mojo;
import org.apache.maven.plugins.annotations.Parameter;
import org.apache.maven.plugins.annotations.ResolutionScope;
import org.eclipse.xtext.ISetup;

/**
 * Generates test sources of all contributing {@link ISetup} language instances
 * 
 * @author Jan Rosczak - Initial contribution and API
 */
@Mojo(name = "testGenerate", defaultPhase = LifecyclePhase.GENERATE_TEST_SOURCES, requiresDependencyResolution = ResolutionScope.TEST, threadSafe = true)
public class XtextTestGenerateMojo extends AbstractXtextGeneratorMojo {

	/**
	 * Project classpath.
	 */
	@Parameter(defaultValue = "${project.testClasspathElements}", readonly = true, required = true)
	private List classpathElements;

	@Override
	public Set getClasspathElements() {
		Set classpathElementSet = newLinkedHashSet();
		classpathElementSet.addAll(this.classpathElements);
		classpathElementSet.remove(getClassOutputDirectory());
		return newLinkedHashSet(filter(classpathElementSet, emptyStringFilter()));
	}

	@Override
	protected void configureMavenOutputs() {
		for (Language language : getLanguages()) {
			addTestCompileSourceRoots(language);
		}
	}
	
	protected String tmpDirSuffix() {
		return "-test";
	}
	
	@Override
	protected String getClassOutputDirectory() {
		return getProject().getBuild().getTestOutputDirectory();
	}
	
	/**
	 * Project test source roots. List of folders, where the test source models are
	 * located.

	 * The default value is a reference to the project's
	 * ${project.testCompileSourceRoots}.

	 * When adding a new entry the default value will be overwritten not extended.
	 */
	@Parameter(defaultValue = "${project.testCompileSourceRoots}", required = true)
	private List sourceRoots;

	@Override
	protected List getSourceRoots() {
		return sourceRoots;
	}

}