import org.gradle.api.tasks.*

public class TransformerTask extends DefaultTask {
    private File inputFile
    private File outputFile
    private String format = "[%s]"

    @InputFile
    public File getInputFile() {
        return inputFile
    }

    public void setInputFile(File inputFile) {
        this.inputFile = inputFile
    }

    @OutputFile
    public File getOutputFile() {
        return outputFile

                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')

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            equalTo("file 'displayNameOf(inputFile)' has been replaced by a directory")

            fqid == 'validation:property-validation:annotation-invalid-in-context'
            contextualLabel == 'Type \'MyTransformAction\' property \'inputFile\' is annotated with invalid property type @InputFile'
            details == 'The \'@InputFile\' annotation cannot be used in this context'
            solutions == [
                'Remove the property',

                @Optional
                @InputFile
                File inputFile

                @OutputFile
                File outputFile

                @TaskAction
                void doAction() {
                    if (inputFile != null) {
                        outputFile.text = inputFile.text
                    }
                }
            }

                @InputFile inputFile
                @OutputFile outputFile

                @TaskAction copy() {
                    outputFile.parentFile.mkdirs()
                    outputFile.text = inputFile.text
                }
            }
            task customTask(type: NonCacheableTask) {
                inputFile = file("input.txt")

        execute(unitOfWork)

        when:
        inputFile.write("some new content")

        then:
        outOfDate(unitOfWork, inputFilesChanged(file: [inputFile]))
    }

    def "out-of-date when any input file type changes"() {
        given:
        execute(unitOfWork)

        when:
        inputFile.delete()
        inputFile.createDir()

        then:

                @ValidationProblem inputFile

                @TaskAction void execute() {
                    println "Executed"
                }
            }

            task invalid(type: InvalidTask)
        """

        expectThatExecutionOptimizationDisabledWarningIsDisplayed(executer, dummyValidationProblem('InvalidTask', 'inputFile'), 'id', 'section')

        when:

        TaskWithNestedIterable                    | [new Bean()]                   | ["beans.\$0"]                                   | ["beans.\$0.inputFile"] | []
        TaskWithNestedBeanWithPrivateClass        | [null, null]                   | ["bean"]                                        | ["bean.inputFile"]      | []

                    outputFile.text = "produced"
                }
            }

            task consumer {
                def inputFile = file("output.txt")
                inputs.files(inputFile)
                doLast {
                    println "Hello " + inputFile.text
                }
            }
        """

        when:
        runAndFail("producer", "consumer")
        then: