import org.gradle.internal.DisplayName;

import java.io.File;

public class OpaqueComponentArtifactIdentifier implements ComponentArtifactIdentifier, ComponentIdentifier, DisplayName {
    private final File file;

    public OpaqueComponentArtifactIdentifier(File file) {
        this.file = file;
    }

    @Override
    public ComponentIdentifier getComponentIdentifier() {

        expect:
        new OpaqueComponentArtifactIdentifier(new File("thing")).toString() == "thing"
    }

    def "identifiers are equal when display names are equal"() {
        def id = new OpaqueComponentArtifactIdentifier(new File("one"))
        def sameId = new OpaqueComponentArtifactIdentifier(new File("one"))
        def differentId = new OpaqueComponentArtifactIdentifier(new File("two"))

        expect:

     * A thread-safe and reusable serializer for {@link OpaqueComponentArtifactIdentifier}.
     */
    private static class OpaqueComponentArtifactIdentifierSerializer implements Serializer<OpaqueComponentArtifactIdentifier> {

        @Override
        public OpaqueComponentArtifactIdentifier read(Decoder decoder) throws Exception {
            return new OpaqueComponentArtifactIdentifier(new File(decoder.readString()));
        }

                encoder.writeString(libraryIdentifier.getVariant());
                break;
            case OPAQUE: {
                OpaqueComponentArtifactIdentifier opaqueIdentifier = (OpaqueComponentArtifactIdentifier) value;
                encoder.writeString(opaqueIdentifier.getFile().getPath());
                break;
            }
            case OPAQUE_NOTATION: {

        result.projectPath() == identifier.projectPath()
        result.projectName == identifier.projectName
    }

    def "serialize OpaqueComponentArtifactIdentifier"() {
        given:
        def file = new File("example-1.0.jar")
        def identifier = new OpaqueComponentArtifactIdentifier(file)

        when:
        def result = serialize(identifier, serializer)

        then:

import org.gradle.api.provider.Provider
import org.gradle.api.tasks.Classpath
import org.gradle.internal.Try
import org.gradle.internal.component.local.model.OpaqueComponentArtifactIdentifier
import org.gradle.internal.execution.InputFingerprinter
import org.gradle.test.fixtures.AbstractProjectBuilderSpec
import org.gradle.test.fixtures.file.TestFile

import java.util.concurrent.atomic.AtomicInteger

import org.gradle.internal.component.local.model.ComponentFileArtifactIdentifier
import org.gradle.internal.component.local.model.LocalFileDependencyMetadata
import org.gradle.internal.component.local.model.OpaqueComponentArtifactIdentifier
import org.gradle.util.AttributeTestUtil
import org.gradle.util.TestUtil
import spock.lang.Specification

class LocalFileDependencyBackedArtifactSetTest extends Specification {

import org.gradle.internal.component.local.model.ComponentFileArtifactIdentifier;
import org.gradle.internal.component.local.model.LocalFileDependencyMetadata;
import org.gradle.internal.component.local.model.OpaqueComponentArtifactIdentifier;
import org.gradle.internal.component.model.DefaultIvyArtifactName;
import org.gradle.internal.component.model.VariantResolveMetadata;
import org.gradle.internal.model.CalculatedValueContainerFactory;

                    result = artifactResults[idx]
                    assert result.file == artifactFiles[idx]

                    assert result.id instanceof org.gradle.internal.component.local.model.OpaqueComponentArtifactIdentifier
                    assert result.id.componentIdentifier == result.id
                    assert result.id.displayName == 'file-lib.jar'
                }
            }
        """

        expect:

                    result = artifactResults[idx]
                    assert result.file == artifactFiles[idx]

                    assert result.id instanceof org.gradle.internal.component.local.model.OpaqueComponentArtifactIdentifier
                    assert result.id.componentIdentifier == result.id
                    assert result.id.displayName == 'file-lib.jar'
                }
            }
"""

        then: