core-it-suite/src/test/java/org/apache/maven/it/MavenITmng6173GetProjectsAndDependencyGraphTest.java

/*
 * 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
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 * KIND, either express or implied.  See the License for the
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package org.apache.maven.it;

import java.io.File;
import java.util.Properties;

import org.apache.maven.shared.verifier.Verifier;
import org.apache.maven.shared.verifier.util.ResourceExtractor;
import org.junit.jupiter.api.Test;

/**
 * Test case for <a href="https://issues.apache.org/jira/browse/MNG-6173">MNG-6173</a>.
 */
public class MavenITmng6173GetProjectsAndDependencyGraphTest extends AbstractMavenIntegrationTestCase {

    public MavenITmng6173GetProjectsAndDependencyGraphTest() {
        super("[3.0-alpha-3,)");
    }

    /**
     * Verifies that {@code MavenSession#getProjects()} returns the projects being built and that
     * {@code MavenSession#getDependencyGraph()} returns the dependency graph.
     *
     * @throws Exception in case of failure
     */
    @Test
    public void testitShouldReturnProjectsAndProjectDependencyGraph() throws Exception {

        File testDir =
                ResourceExtractor.simpleExtractResources(getClass(), "/mng-6173-get-projects-and-dependency-graph");

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

        Properties properties = verifier.loadProperties("module-1/target/session.properties");
        assertEquals("1", properties.getProperty("session.projects.size"));
        assertEquals("module-1", properties.getProperty("session.projects.0.artifactId"));
        assertEquals("1", properties.getProperty("session.projectDependencyGraph.sortedProjects.size"));
        assertEquals("module-1", properties.getProperty("session.projectDependencyGraph.sortedProjects.0.artifactId"));
    }
}