class TransformedClassPathTest extends Specification {
    def "transformed jars are returned when present"() {
        given:
        TransformedClassPath cp = transformedClassPath("original.jar": "transformed.jar")

        expect:
        cp.findTransformedEntryFor(file("original.jar")) == file("transformed.jar")
    }

    def "transformed jars are returned in the list of transformed files"() {
        given:

        createFile(new File(cachesDir, "transforms-1/first/transformed/file"))
        createFile(new File(cachesDir, "transforms-1/first/metadata.bin"))
        createFile(new File(cachesDir, "transforms-1/first/transformed/instrumented/file"))
        createFile(new File(cachesDir, "transforms-1/second/transformed/original/file"))
        createFile(new File(cachesDir, "transforms-2/first/transformed/instrumented/file"))

                        return project.getConfigurations().create("transformed", transformed -> {
                            transformed.setCanBeConsumed(false);
                            transformed.setCanBeResolved(true);
                            transformed.extendsFrom(base);

                            transformed.getAttributes().attribute(ARTIFACT_TYPE_ATTRIBUTE, TXT_TYPE);
                        });

 *
 * @param <OUT> The type the value is transformed to.
 * @param <IN> The type of the value to be transformed.
 */
public interface InternalTransformer<OUT, IN> {
    /**
     * Transforms the given object, and returns the transformed value.
     *
     * @param in The object to transform.
     * @return The transformed object.
     */
    OUT transform(IN in);

        }

        def transformed = jar(testDir.file("transformed.jar")) {
            manifest {
                multiRelease()
            }

            entry("Foo.class", INSTRUMENTED_CLASS)
            entry(MarkerResource.RESOURCE_NAME, MarkerResource.TRANSFORMED.asBytes())
        }

        TransformedClassPath cp = classPath((original): transformed)

        expect:

        output.count("Transformed") == 2
        isTransformed("lib1.jar", "lib1.jar.value")
        isTransformed("lib2.jar", "lib2.jar.value")

        when:
        succeeds ":util:resolve", ":app:resolve"

        then:
        output.count("files 1: [lib1.jar.value, lib2.jar.value]") == 2

        output.count("Transformed") == 0

        where:
        type           | value

        then:
        result == transformed

        1 * attributeMatcher.matches(_, _, _) >> Collections.emptyList()
        1 * consumerProvidedVariantFinder.findTransformedVariants(variants, requestedAttributes) >> transformedVariants
        1 * factory.asTransformed(variant, transformedVariants[0].getTransformedVariantDefinition(), dependenciesResolverFactory, transformedVariantFactory) >> transformed
        0 * attributeMatcher._
    }

         *
         * @param original the original JAR or classes directory
         * @param transformed the transformed JAR or classes directory
         * @return this builder
         */
        public Builder add(File original, File transformed) {
            originals.add(original);
            if (!original.equals(transformed)) {

                    Files.exists(transformedDir.resolve("transformed/${INSTRUMENTATION_CLASSPATH_MARKER.fileName}")) ||
                    Files.exists(transformedDir.resolve("transformed/$ANALYSIS_OUTPUT_DIR/${INSTRUMENTATION_CLASSPATH_MARKER.fileName}")) ||

    public enum MarkerResource {
        // The transformed marker resource is an empty file to reduce archive size in the most common case.
        TRANSFORMED(new byte[0]),
        // Not transformed marker resource is a 1-byte file with a single "N" symbol.
        NOT_TRANSFORMED(new byte[]{'N'});

        public static final String RESOURCE_NAME = TransformReplacer.class.getName() + ".transformed";