e.message =~ "contains illegal"

        when:
        ModelPath.validateName("Z9z")
        ModelPath.validateName("abc")
        ModelPath.validateName("aBC")
        ModelPath.validateName("a10")
        ModelPath.validateName("_")
        ModelPath.validateName("_a")
        ModelPath.validateName("__")
        ModelPath.validateName("a_Z")

        then:
        noExceptionThrown()
    }

    private boolean failOnNoMatching = true;

    private void validateName(String name) {
        if (name == null || name.length() == 0) {
            throw new InvalidUserDataException("Selected test name cannot be null or empty.");
        }
    }

    @Override
    public TestFilter includeTestsMatching(String testNamePattern) {
        validateName(testNamePattern);
        includeTestNames.add(testNamePattern);

        this.objects = objects;
        this.context = context;
        this.dependencyResolutionServices = dependencyResolutionServices;
    }

    private static void validateName(String name) {
        if (!VALID_EXTENSION_PATTERN.matcher(name).matches()) {

        }

        String[] names = splitPath(path);
        if (names.length == 1) {
            validateName(names[0]);
        } else {
            for (String name : names) {
                try {
                    validateName(name);
                } catch (InvalidNameException e) {

        buildFile << """
            tasks.create('$taskName').doFirst {}
        """

        run taskName

        then:
        executed ":$taskName"

        when:
        ModelPath.validateName(taskName)

        then:
        thrown(ModelPath.InvalidNameException)
    }

    def "tasks are visible to rules using their public type"(){
        given:
        buildFile << """

        // Disabled before 2.3 release due to not wanting to validate task names (which may contain invalid chars), at least not yet
        // ModelPath.validateName(name);
        LOGGER.debug("Project {} - Registering model element '{}' (hidden = {})", projectPath, node.getPath(), node.isHidden());
        addRuleBindings(node, actions);
        modelGraph.add(node);