false
    )

    def "serializes"() {
        def componentIdentifier = new DefaultModuleComponentIdentifier(DefaultModuleIdentifier.newId('group', 'module'), 'version')
        def extId = DefaultModuleComponentIdentifier.newId(DefaultModuleIdentifier.newId('group', 'external'), '1.0')
        def attributes = AttributeTestUtil.attributesFactory().mutable()
        attributes.attribute(Attribute.of('type', String), 'custom')

        def immutable = component.asImmutable()
        def componentIdentifier = DefaultModuleComponentIdentifier.newId(DefaultModuleIdentifier.newId("org.test", "consumer"), "1.0")
        def consumerIdentifier = DefaultModuleVersionIdentifier.newId(componentIdentifier)
        def componentSelector = newSelector(DefaultModuleIdentifier.newId(consumerIdentifier.group, consumerIdentifier.name), new DefaultMutableVersionConstraint(consumerIdentifier.version))

    }

    def "computes module version path"() {
        def ivyPattern = new IvyResourcePattern(pattern)
        def moduleId = DefaultModuleComponentIdentifier.newId(DefaultModuleIdentifier.newId(group, module), version)

        expect:
        ivyPattern.toModuleVersionPath(moduleId).path == expectedPath

        where:

    }

    ExcludeSpec moduleId(String group, String name) {
        factory.moduleId(newId(group, name))
    }

    ExcludeSpec moduleIdSet(List<String>... ids) {
        factory.moduleIdSet(RandomizedIteratorHashSet.of(ids.collect { newId(it[0], it[1]) } as Set<ModuleIdentifier>))
    }

    ExcludeSpec moduleIdSet(String... ids) {

            @MapKey("group") String group,
            @MapKey("name") String name,
            @MapKey("version") String version) {

            return DefaultModuleComponentIdentifier.newId(
                DefaultModuleIdentifier.newId(validate(group.trim()), validate(name.trim())),
                validate(version.trim())
            );
        }
    }

        new DefaultModuleComponentIdentifier(DefaultModuleIdentifier.newId(group, name), version)
    }

    private def moduleIdentifier(String group, String name, String version) {
        DefaultModuleVersionIdentifier.newId(DefaultModuleIdentifier.newId(group, name), version)
    }

    private def moduleVersion(String group, String name, String version) {

        val id = classes.getId(type)
        if (id != null) {
            writeSmallInt(id)
        } else {
            val scope = scopeLookup.scopeFor(type.classLoader)
            val newId = classes.putInstance(type)
            writeSmallInt(newId)
            writeString(type.name)
            if (scope == null) {
                writeBoolean(false)
            } else {
                writeBoolean(true)

        this.hashCode = Objects.hashCode(group, name);
    }

    public static ModuleIdentifier newId(ModuleIdentifier other) {
        if (other instanceof DefaultModuleIdentifier) {
            return other;
        }
        return newId(other.getGroup(), other.getName());
    }

    public static ModuleIdentifier newId(@Nullable String group, String name) {
        return new DefaultModuleIdentifier(group, name);
    }

        this.id = DefaultModuleComponentIdentifier.newId(DefaultModuleIdentifier.newId(group, module), version)
        this
    }

    JvmLibraryArtifactResolveTestFixture withSnapshotTimestamp(String timestamp) {
        this.id = new MavenUniqueSnapshotComponentIdentifier(DefaultModuleIdentifier.newId(id.group, id.module), id.version, timestamp)
        this
    }

                def id = DefaultModuleComponentIdentifier.newId(DefaultModuleIdentifier.newId(moduleId.group, moduleId.name), acceptor.selector)
                resolvedOrRejected(id, rejector, result)
                return
            }

            def resolved = findDynamicVersion(acceptor, rejector)
            if (resolved) {