MojoExtensionParameterPomTest.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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package org.apache.maven.testing.plugin;

import org.apache.maven.api.Project;
import org.apache.maven.api.di.Inject;
import org.apache.maven.testing.plugin.ExpressionEvaluatorTest.ExpressionEvaluatorMojo;
import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.assertEquals;

@MojoTest
class MojoExtensionParameterPomTest {

    private static final String COORDINATES = "test:test-plugin:0.0.1-SNAPSHOT:goal";

    private static final String CUSTOM_POM = """
            <project>
              <groupId>customGroupId</groupId>
              <artifactId>customArtifactId</artifactId>
              <version>2.0</version>
              <build>
                <plugins>
                  <plugin>
                    <groupId>test</groupId>
                    <artifactId>test-plugin</artifactId>
                    <configuration>
                      <param>fromParameterPom</param>
                    </configuration>
                  </plugin>
                </plugins>
              </build>
            </project>
            """;

    @Inject
    Project project;

    @Test
    @InjectMojo(goal = COORDINATES)
    void parameterPomConfiguresBothMojoAndProject(
            @InjectMojo(goal = COORDINATES, pom = CUSTOM_POM) ExpressionEvaluatorMojo mojo) throws Exception {
        assertEquals("fromParameterPom", MojoExtension.getVariableValueFromObject(mojo, "param"));
        assertEquals("customGroupId", project.getModel().getGroupId());
    }

    @Test
    void parameterWithoutPomKeepsTheDefaultProject(@InjectMojo(goal = COORDINATES) ExpressionEvaluatorMojo mojo) {
        // not the plugin's own basedir POM, which only a method-level @InjectMojo reads
        assertEquals("myArtifactId", project.getModel().getArtifactId());
    }
}