import java.io.File


/**
 * Abstract base class for [Task][org.gradle.api.Task]s that verify and manipulate the given accepted API changes file.
 */
@CacheableTask
abstract class AbstractAcceptedApiChangesMaintenanceTask : DefaultTask() {

    /**
     * A directory that contains jsons with accepted API changes.
     * Any json is a directory is considered to contain accepted API changes.
     */
    @get:InputDirectory

 * are present in alphabetical order (by type, then member), and throws an exception and reports
 * any changes that are not.
 */
@CacheableTask
abstract class AlphabeticalAcceptedApiChangesTask : AbstractAcceptedApiChangesMaintenanceTask() {

    @TaskAction
    fun execute() {
        val originalChanges = loadChanges()
        val sortedChanges = originalChanges.mapValues {
            sortChanges(it.value)
        }

 * so that they are alphabetically sorted (by type, then member).
 */
@CacheableTask
abstract class SortAcceptedApiChangesTask : AbstractAcceptedApiChangesMaintenanceTask() {

    @TaskAction
    fun execute() {
        loadChanges().mapValues {
            formatChanges(sortChanges(it.value))
        }.forEach {

        assertEquals(expectedFirstJson, actualFirstJson)
        assertEquals(expectedSecondJson, actualSecondJson)
    }

    private
    fun loadChangesJson(rawText: String) = Gson().fromJson(rawText, AbstractAcceptedApiChangesMaintenanceTask.AcceptedApiChanges::class.java)