buildFile << """
            def CUSTOM_ATTRIBUTE = Attribute.of('custom', String)
            def CUSTOM2_ATTRIBUTE = Attribute.of('custom2', String)
            dependencies.attributesSchema.attribute(CUSTOM_ATTRIBUTE)
            dependencies.attributesSchema.attribute(CUSTOM2_ATTRIBUTE)
        """
    }

    void "can select distinct variants of the same component by using different attributes if they have different capabilities"() {

            def usage = Attribute.of('usage', String)
            def artifactType = Attribute.of('artifactType', String)

            allprojects {
                dependencies {
                    attributesSchema {
                        attribute(usage)
                    }
                    registerTransform(GreenMultiplier) {
                        from.attribute(artifactType, "jar")

    def conflictResolver = Mock(ModuleConflictResolver)
    def idResolver = Mock(DependencyToComponentIdResolver)
    def metaDataResolver = Mock(ComponentMetaDataResolver)
    def attributesSchema = Mock(AttributesSchemaInternal)
    def attributes = ImmutableAttributes.EMPTY
    def moduleReplacements = Mock(ModuleReplacementsData)
    def moduleIdentifierFactory = Mock(ImmutableModuleIdentifierFactory) {

                        def usage = Attribute.of('usage', String)
                        def flavor = Attribute.of('flavor', String)
                        p.dependencies.attributesSchema {
                           attribute(buildType)
                           attribute(usage)
                           attribute(flavor)
                        }

            include 'project-lib'
        """
        def variantDeclaration = { sysPropName ->
            """
                def myAttribute = Attribute.of("my.attribute.name", String)
                dependencies.attributesSchema { attribute(myAttribute) }
                configurations {
                    runtimeElements {
                        attributes { attribute(myAttribute, System.getProperty('$sysPropName', 'default-value')) }

            def minified = Attribute.of('minified', Boolean)
            def optimized = Attribute.of('optimized', Boolean)
            dependencies {
                attributesSchema {
                    attribute(minified)
                    attribute(optimized)
                }
                artifactTypes.getByName("jar") {
                    attributes.attribute(minified, false)

class DependenciesAttributesIntegrationTest extends AbstractModuleDependencyResolveTest {

    def setup() {
        buildFile << """
            def CUSTOM_ATTRIBUTE = Attribute.of('custom', String)
            dependencies.attributesSchema.attribute(CUSTOM_ATTRIBUTE)
        """
    }

    def "can declare attributes on dependencies"() {
        given:
        repository {
            'org:test:1.0'()
        }

        buildFile << """

Attribute compatibility rules have to be registered via the link:{javadocPath}/org/gradle/api/attributes/AttributeMatchingStrategy.html[attribute matching strategy] that you can obtain from the link:{javadocPath}/org/gradle/api/attributes/AttributesSchema.html[attributes schema].

[[sec:abm_disambiguation_rules]]
=== Attribute disambiguation rules

            rootProject.name = 'test'
        """
        buildFile << """
            def usage = Attribute.of('usage', String)
            allprojects {
                dependencies {
                    attributesSchema {
                        attribute(usage)
                    }
                }
                configurations { compile { attributes.attribute(usage, 'for-compile') } }
            }
        """

            def buildType = Attribute.of("buildType", String)
            def flavor = Attribute.of("flavor", String)
            allprojects {
                dependencies.attributesSchema.attribute(buildType)
                dependencies.attributesSchema.attribute(flavor)
            }

            project(':lib') {
                task jar1(type: Jar) {
                    destinationDirectory = buildDir