import org.gradle.api.tasks.CacheableTask
import org.gradle.api.tasks.InputFile
import org.gradle.api.tasks.OutputFile
import org.gradle.api.tasks.PathSensitive
import org.gradle.api.tasks.PathSensitivity
import org.gradle.api.tasks.TaskAction

@CacheableTask
class MyCacheableTask extends DefaultTask {
    @InputFile
    @PathSensitive(PathSensitivity.NONE)
    File inputFile
    @OutputFile
    File outputFile

    @TaskAction

                def go() { }
            }

            class NestedBean {
                NestedBean(RegularFileProperty inputFile) {
                    this.inputFile = inputFile
                }

                @InputFile
                final RegularFileProperty inputFile
            }

            class ConsumerTask extends DefaultTask {

                @Nested

        output.text = message
        logger.quiet("Wrote '${message}' to ${output}")
    }
}

abstract class Consumer extends DefaultTask {
    @InputFile
    abstract RegularFileProperty getInputFile()

    @TaskAction
    void consume() {
        def input = inputFile.get().asFile
        def message = input.text
        logger.quiet("Read '${message}' from ${input}")
    }
}

        when:
        task.inputFile = null

        then:
        task.inputFile == task.outputFile

        when:
        task.inputFile = inputFile

        then:
        task.inputFile == inputFile
    }

    def mergesConfigurationWhenInputFileExists() {
        def configObject = new TestConfigurationObject()
        inputFile.text = 'config'

        when:
        task.generate()

            }
        """
        def inputFile = file("input/input.txt")
        inputFile.text = "[0] Hello World!"
        def originalInputFileLength = inputFile.length()

        expect:
        (1..4).each {
            def givenText = "[$it] Hello World!"
            inputFile.text = givenText
            run "printFile"
            executedAndNotSkipped(":printFile")

    /**
     * The release notes javascript to embed in the HTML
     */
    @InputFile
    @PathSensitive(PathSensitivity.NONE)
    public abstract RegularFileProperty getReleaseNotesJavascriptFile();

    /**
     * The release notes CSS to embed in the HTML
     */
    @InputFile
    @PathSensitive(PathSensitivity.NONE)
    public abstract RegularFileProperty getReleaseNotesCssFile();

    /**

                @InputFile File inputFile
                @OutputFiles Set<File> outputFiles
            }

            class MyTask extends DefaultTask {
                @Input String inputString
                @Nested MyConfig nested = new MyConfig()
                @InputFile File inputFile
                @InputDirectory File inputDirectory
                @InputFiles FileCollection inputFiles

                outputs.dir('build/destination')
                def outputFile = file('build/destination/first.file')
                def inputFile = file('first.file')
                doLast {
                    outputFile.text = inputFile.text
                }
            }

            task secondCopy {
                inputs.file('second.file')
                outputs.dir('build/destination')

    def workerDaemonIdentityFileName = "build/workerId"
    def workerDaemonIdentityFile = file(workerDaemonIdentityFileName)
    def inputFile = file("inputFile")

    def setup() {
        workerDaemonIdentityFile.createFile()
        buildFile << """
            $taskTypeUsingWorkerDaemon
        """
        inputFile.text = "build 1"
    }

    def "reuses worker daemons across builds in a single session"() {
        buildFile << """

                    on { displayNameOf(inputFile) } doReturn "displayNameOf(inputFile)"
                },
                ConfigurationCacheFingerprint.InputFile(
                    inputFile,
                    originalFileHash
                )
            ),
            equalTo("file 'displayNameOf(inputFile)' has been replaced by a directory")