core-it-suite/src/test/java/org/apache/maven/it/MavenITmng6173GetAllProjectsInReactorTest.java

package org.apache.maven.it;

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

import org.apache.maven.it.util.ResourceExtractor;

import java.io.File;
import java.util.*;

/**
 * Test case for <a href="https://issues.apache.org/jira/browse/MNG-6173">MNG-6173</a>.
 */
public class MavenITmng6173GetAllProjectsInReactorTest
        extends AbstractMavenIntegrationTestCase
{

    public MavenITmng6173GetAllProjectsInReactorTest()
    {
        super( "[3.2.1,3.3.1),[3.5.0-alpha-2,)" );
    }

    /**
     * Verifies that {@code MavenSession#getAllProjects()} returns all projects in the reactor
     * not only they ones being built.
     */
    public void testitShouldReturnAllProjectsInReactor()
            throws Exception
    {

        File testDir = ResourceExtractor.simpleExtractResources( getClass(), "/mng-6173-get-all-projects-in-reactor" );

        Verifier verifier = newVerifier( testDir.getAbsolutePath() );
        verifier.setAutoclean( false );
        verifier.deleteDirectory( "target" );
        verifier.deleteDirectory( "module-1/target" );
        verifier.deleteDirectory( "module-2/target" );
        verifier.addCliOption( "-pl" );
        verifier.addCliOption( "module-1" );
        verifier.executeGoal( "validate" );
        verifier.verifyErrorFreeLog();
        verifier.resetStreams();

        Properties properties = verifier.loadProperties( "module-1/target/session.properties" );
        assertEquals( "3", properties.getProperty( "session.allProjects.size" ) );
        assertEquals( Arrays.asList( new String[]{ "base-project", "module-1", "module-2" } ),
                getProjects( properties ) );
    }

    private List<String> getProjects(Properties properties )
    {
        List<String> projects = new ArrayList<>();

        for ( Object o : properties.keySet() )
        {
            String key = o.toString();
            if ( key.startsWith( "session.allProjects." ) && !key.endsWith( ".size" ) )
            {
                projects.add( properties.getProperty( key ) );
            }
        }

        Collections.sort( projects );

        return projects;
    }

}