core-it-suite/src/test/java/org/apache/maven/it/MavenITmng4102InheritedPropertyInterpolationTest.java

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 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
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 *
 *   http://www.apache.org/licenses/LICENSE-2.0
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 * Unless required by applicable law or agreed to in writing,
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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;

/**
 * This is a test set for <a href="https://issues.apache.org/jira/browse/MNG-4102">MNG-4102</a>.
 *
 * @author Benjamin Bentmann
 *
 */
public class MavenITmng4102InheritedPropertyInterpolationTest extends AbstractMavenIntegrationTestCase {

    public MavenITmng4102InheritedPropertyInterpolationTest() {
        super(ALL_MAVEN_VERSIONS);
    }

    /**
     * Verify that the effective value of an inherited property reflects the values of any nested property
     * as defined by the child. This boils down to the order of inheritance and (parent) interpolation.
     * This variation of the test has no profiles.
     *
     * @throws Exception in case of failure
     */
    @Test
    public void testitNoProfiles() throws Exception {
        testit("no-profile");
    }

    /**
     * Verify that the effective value of an inherited property reflects the values of any nested property
     * as defined by the child. This boils down to the order of inheritance and (parent) interpolation.
     * This variation of the test has active profiles in parent and child (which should make no difference
     * to the result).
     *
     * @throws Exception in case of failure
     */
    @Test
    public void testitActiveProfiles() throws Exception {
        testit("active-profile");
    }

    private void testit(String project) throws Exception {
        File testDir = ResourceExtractor.simpleExtractResources(getClass(), "/mng-4102/" + project);

        Verifier verifier = newVerifier(new File(testDir, "sub").getAbsolutePath());
        verifier.setAutoclean(false);
        verifier.deleteDirectory("target");
        verifier.addCliArgument("validate");
        verifier.execute();
        verifier.verifyErrorFreeLog();

        Properties props = verifier.loadProperties("target/pom.properties");
        assertEquals("CHILD", props.getProperty("project.properties.overridden"));
        assertEquals("CHILD", props.getProperty("project.properties.interpolated"));
    }
}