def jsonFile

    def setup() {
        jsonFile = new File(temporaryFolder, 'acceptedChanges.json')
    }

    def "can clean existing API changes"() {
        given:
        jsonFile << existingAcceptedApiChanges()

        when:
        jsonFileManager.emptyAcceptedApiChanges(jsonFile)

        then:
        jsonFile.text == nonExistentAcceptedApiChanges()
    }

 */

package gradlebuild.binarycompatibility

import com.google.gson.Gson
import com.google.gson.stream.JsonWriter

class AcceptedApiChangesJsonFileManager {

    void emptyAcceptedApiChanges(File jsonFile) {
        jsonFile.withWriter { fileWriter ->
            def writer = new JsonWriter(fileWriter)
            writer.setIndent("    ")
            new Gson().toJson([acceptedApiChanges: []], Object, writer)
            writer.close()

    fun getSubprojectByName(name: String): GradleSubproject?
}

data class JsonBasedGradleSubprojectProvider(private val jsonFile: File) : GradleSubprojectProvider {
    @Suppress("UNCHECKED_CAST")
    override val subprojects = JSON.parseArray(jsonFile.readText()).map { toSubproject(it as Map<String, Any>) }

    private val nameToSubproject = subprojects.map { it.name to it }.toMap()

    private val buckets: Map<TestCoverage, List<SmallSubprojectBucket>> = buildBuckets(testTimeDataJson, model)

    fun generate(jsonFile: File) {
        jsonFile.writeText(
            JSON.toJSONString(
                buckets.map {
                    TestCoverageAndBucketSplits(it.key.uuid, it.value.map { it.toJsonBucket() })
                },