output.count("result = [one-1.0.jar.green, two-1.0.jar.green]") == 2
    }

    private void setupBuildWithExternalArtifactTransforms() {
        withColorVariants(mavenRepo.module("one", "one")).publish()
        withColorVariants(mavenRepo.module("two", "two")).publish()

        setupBuildWithColorTransformImplementation()

        buildFile << """
            repositories {

        httpServer.start()
        def dep1 = withColorVariants(remoteRepo.module("group", "thing1", "1.2")).publish().allowAll()
        def dep2 = withColorVariants(remoteRepo.module("group", "thing2", "1.2")).publish().allowAll()
        withColorVariants(remoteRepo.module("group", "thing3", "1.2")).dependsOn(dep1).dependsOn(dep2).publish().allowAll()

            rootProject.name = 'transform-deps'
            include 'common', 'lib', 'app'
        """
        withColorVariants(mavenHttpRepo.module("org.slf4j", "slf4j-api", "1.7.24")).publish().allowAll()
        withColorVariants(mavenHttpRepo.module("org.slf4j", "slf4j-api", "1.7.25")).publish().allowAll()
        withColorVariants(mavenHttpRepo.module("junit", "junit", "4.11"))
            .dependsOn("hamcrest", "hamcrest-core", "1.3")

        setupBuildWithColorTransform()
        def lib1 = withColorVariants(mavenRepo.module("group1", "lib", "1.0")).publish()
        lib1.artifactFile.text = "lib"
        def lib2 = withColorVariants(mavenRepo.module("group2", "lib", "1.0")).publish()
        lib2.artifactFile.text = "lib"
        def lib3 = withColorVariants(mavenRepo.module("group2", "lib", "1.1")).publish()
        lib3.artifactFile.text = "lib"

    abstract TestFile getBuildFile()

    abstract ExecutionResult getResult()

    /**
     * Defines a 'blue' variant for the given module.
     */
    def <T extends MavenModule> T withColorVariants(T module) {
        module.adhocVariants().variant('runtime', [color: 'blue']).withModuleMetadata()
        return module
    }

    /**