* This map is usually either empty if no module was found, or a singleton map.
     * It may however contain more than one entry if module hierarchy was detected,
     * in which case there is one key per sub-directory.
     *
     * <p>This map may contain null values if the constructor was invoked with {@code resolve}
     * parameter set to false. This is more efficient when only the module existence needs to

        this.repository = repository;
        String repositoryUrl = repository.getUrl();
        if (repositoryUrl.contains("${")) {
            // the repository url contains unresolved properties and getting the basedir is not possible
            // in JDK 20+ 'new URL(string)' will fail if the string contains a curly brace
            this.basedir = null;
        } else {
            try {

    protected ProjectBuilder projectBuilder;

    @Inject
    protected MavenRepositorySystem repositorySystem;

    @Inject
    protected PlexusContainer container;

    public PlexusContainer getContainer() {
        return container;
    }

    @BeforeEach
    public void setUp() throws Exception {
        if (getContainer().hasComponent(ProjectBuilder.class, "test")) {

            severities.add(problem.getSeverity());
        }
    }

    public boolean hasFatalErrors() {
        return severities.contains(ModelProblem.Severity.FATAL);
    }

    public boolean hasErrors() {
        return severities.contains(ModelProblem.Severity.ERROR) || severities.contains(ModelProblem.Severity.FATAL);
    }

    @Override
    public List<ModelProblem> getProblems() {
        return problems;
    }

import static org.codehaus.plexus.testing.PlexusExtension.getTestFile;
import static org.junit.jupiter.api.Assertions.assertEquals;

@PlexusTest
class ArtifactHandlerTest {
    @Inject
    PlexusContainer container;

    @Test
    void testAptConsistency() throws Exception {
        File apt = getTestFile("src/site/apt/artifact-handlers.apt");

        List<String> lines = Files.readAllLines(apt.toPath());

    <!-- plexus-container, plexus-component-annotations -->
    <exportedPackage>org.codehaus.plexus.*</exportedPackage>
    <exportedPackage>org.codehaus.plexus.component</exportedPackage>
    <exportedPackage>org.codehaus.plexus.configuration</exportedPackage>
    <exportedPackage>org.codehaus.plexus.container</exportedPackage>
    <exportedPackage>org.codehaus.plexus.context</exportedPackage>

                .build(pomFile, configuration));
        assertThat(
                e.getResults(),
                contains(projectBuildingResultWithProblemMessage(
                        "'dependencies.dependency.version' for org.apache.maven.its:a:jar is missing")));
        assertThat(e.getResults(), contains(projectBuildingResultWithLocation(5, 9)));
    }

    @Test
    void testResolveDependencies() throws Exception {

    @Inject
    protected PlexusContainer container;

    @Inject
    protected RepositorySystem repositorySystem;

    @Inject
    protected org.apache.maven.project.ProjectBuilder projectBuilder;

    protected abstract String getProjectsDirectory();

    protected PlexusContainer getContainer() {
        return container;
    }

    protected File getProject(String name) throws Exception {

        return build != null ? build : Build.newInstance();
    }

    /**
     * Returns the path to the pom file for this project.
     * A project is usually read from a file named {@code pom.xml},
     * which contains the {@linkplain #getModel() model} in an XML form.
     * When a custom {@code org.apache.maven.api.spi.ModelParser} is used,
     * the path may point to a non XML file.
     * <p>

     *            <code>null</code>.
     * @param request The model building request that holds further settings, must not be {@code null}.
     * @param problems The container used to collect problems that were encountered, must not be {@code null}.
     */
    Model injectLifecycleBindings(Model model, ModelBuilderRequest request, ModelProblemCollector problems);