core-it-suite/src/test/java/org/apache/maven/it/MavenITmng3940EnvVarInterpolationTest.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
 * "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.
 */
package org.apache.maven.it;

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

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

/**
 * This is a test set for <a href="https://issues.apache.org/jira/browse/MNG-3940">MNG-3940</a>.
 *
 * @author Benjamin Bentmann
 *
 */
public class MavenITmng3940EnvVarInterpolationTest extends AbstractMavenIntegrationTestCase {

    public MavenITmng3940EnvVarInterpolationTest() {
        super("(2.0.10,2.1.0-M1),(2.1.0-M1,)");
    }

    /**
     * Test that interpolation of environment variables respects the casing rules of the underlying OS (especially
     * Windows).
     *
     * @throws Exception in case of failure
     */
    @Test
    public void testitMNG3940() throws Exception {
        File testDir = ResourceExtractor.simpleExtractResources(getClass(), "/mng-3940");

        Verifier verifier = newVerifier(testDir.getAbsolutePath());
        /*
         * NOTE: The POM is using MAVEN_MNG_3940 to reference the var (just as one would refer to PATH). On Windows,
         * this must resolve case-insensitively so we use different character casing for the variable here.
         */
        if (Os.isFamily(Os.FAMILY_WINDOWS)) {
            verifier.setEnvironmentVariable("Maven_mng_3940", "PASSED");
        } else {
            verifier.setEnvironmentVariable("MAVEN_MNG_3940", "PASSED");
        }

        verifier.setAutoclean(false);
        verifier.deleteDirectory("target");
        verifier.addCliArgument("validate");
        verifier.execute();
        verifier.verifyErrorFreeLog();

        verifier.verifyFilePresent("target/PASSED.properties");
        Properties props = verifier.loadProperties("target/PASSED.properties");
        assertEquals("PASSED", props.getProperty("project.properties.envTest"));
    }
}