core-it-suite/src/test/java/org/apache/maven/it/MavenITmng1992SystemPropOverridesPomPropTest.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
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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
 *
 * 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-1992">MNG-1992</a>.
 *
 * @author Benjamin Bentmann
 *
 */
public class MavenITmng1992SystemPropOverridesPomPropTest extends AbstractMavenIntegrationTestCase {

    public MavenITmng1992SystemPropOverridesPomPropTest() {
        super("(2.1.0-M1,)");
    }

    /**
     * Test that system/execution properties take precedence over the POM's properties section when configuring a
     * plugin parameter that is annotated with @parameter expression="prop". Note that this issue is not about POM
     * interpolation but rather plugin parameter expression evaluation.
     *
     * @throws Exception in case of failure
     */
    @Test
    public void testitMNG1992() throws Exception {
        File testDir = ResourceExtractor.simpleExtractResources(getClass(), "/mng-1992");

        Verifier verifier = newVerifier(testDir.getAbsolutePath());
        verifier.setAutoclean(false);
        verifier.deleteDirectory("target");
        verifier.getSystemProperties().setProperty("config.stringParam", "PASSED");
        verifier.addCliArgument("validate");
        verifier.execute();
        verifier.verifyErrorFreeLog();

        Properties configProps = verifier.loadProperties("target/config.properties");
        assertEquals("PASSED", configProps.getProperty("stringParam"));
    }
}