super();
    }

    @Test
    void testResolveParentThrowsUnresolvableModelExceptionWhenNotFound() throws Exception {
        final Parent parent = new Parent();
        parent.setGroupId("org.apache");
        parent.setArtifactId("apache");
        parent.setVersion("0");

        UnresolvableModelException e = assertThrows(
                UnresolvableModelException.class,

        super();
    }

    @Test
    public void testResolveParentThrowsUnresolvableModelExceptionWhenNotFound() throws Exception {
        final Parent parent = new Parent();
        parent.setGroupId("ut.simple");
        parent.setArtifactId("artifact");
        parent.setVersion("0");

        UnresolvableModelException e = assertThrows(
                UnresolvableModelException.class,

                "compile",
                "jar",
                null,
                new DefaultArtifactHandler("ignore"));
        PluginDescriptor descriptor = new PluginDescriptor();
        descriptor.setGroupId("org.apache.maven.its.plugins");
        descriptor.setArtifactId("maven-it-plugin");
        descriptor.setVersion("0.1");
        List<String> errors = new ArrayList<>();

        exclusion1.setArtifactId("*");

        Exclusion exclusion2 = new Exclusion();
        exclusion2.setGroupId("org.apache.maven");
        exclusion2.setArtifactId("maven-core");

        ExclusionArtifactFilter filter = new ExclusionArtifactFilter(Arrays.asList(exclusion1, exclusion2));

        assertFalse(filter.include(artifact), "Artifact should be excluded by multiple exclusions");
    }

            MavenProject project = session.getProjects().get(0);

            Dependency dependency = new Dependency();
            dependency.setArtifactId(INJECTED_ARTIFACT_ID);
            dependency.setGroupId("foo");
            dependency.setVersion("1.2.3");
            dependency.setScope("system");
            try {
                dependency.setSystemPath(new File(

        Model model = new Model();
        model.setGroupId("test.group");
        model.setArtifactId("test-artifact");
        model.setVersion("1.0.0");

        Build build = new Build();
        model.setBuild(build);

        // Add a test plugin
        Plugin originalPlugin = new Plugin();
        originalPlugin.setGroupId("org.apache.maven.plugins");

    /**
     * Set the group ID of the extension's artifact.
     *
     * @param groupId a groupId object.
     */
    public void setGroupId(String groupId) {
        this.groupId = groupId;
    } // -- void setGroupId( String )

    /**
     * Set the version of the extension.
     *
     * @param version a version object.
     */
    public void setVersion(String version) {

    }

    @Test
    void testPluginLoading() throws Exception {
        MavenSession session = createMavenSession(null);
        Plugin plugin = new Plugin();
        plugin.setGroupId("org.apache.maven.its.plugins");
        plugin.setArtifactId("maven-it-plugin");
        plugin.setVersion("0.1");
        PluginDescriptor pluginDescriptor = pluginManager.loadPlugin(

        setGroupId(plugin.getGroupId());
        setArtifactId(plugin.getArtifactId());

        setRepositorySession(session);

        setRepositories(repositories);
    }

    @Override
    public String getGroupId() {
        return groupId;
    }

    @Override
    public DefaultPluginVersionRequest setGroupId(String groupId) {
        this.groupId = groupId;

     */
    ModelData(ModelSource source, Model model, String groupId, String artifactId, String version) {
        this.source = source;
        this.model = model;
        setGroupId(groupId);
        setArtifactId(artifactId);
        setVersion(version);
    }

    public ModelSource getSource() {
        return source;
    }

    /**
     * Gets the model being wrapped.
     *