}
        """
        def publishLib = { String artifactId, String version ->
            def lib = mavenHttpRepo.module("org.gradle.test", artifactId, version)
                .withModuleMetadata()
                .publish()
            lib.moduleMetadata.expectGet()
            lib.pom.expectGet()
            return lib
        }
        publishLib("lib-core", "1.0").with {

        this.version = version
        this.publishArtifactVersion = publishArtifactVersion
        this.variants = variants
        this.attributes = attributes
    }

    void publishTo(Writer writer, long publishId) {
        def jsonBuilder = new JsonBuilder()
        jsonBuilder {
            formatVersion GradleModuleMetadataParser.FORMAT_VERSION
            builtBy {
                gradle {