private static final CachingState BUILD_CACHE_DISABLED_STATE = CachingState.disabledWithoutInputs(BUILD_CACHE_DISABLED_REASON);

import javax.annotation.Nullable;
import java.util.Optional;
import java.util.function.Consumer;
import java.util.function.Function;

public class CachingState {
    public static final CachingState NOT_DETERMINED = disabledWithoutInputs(new CachingDisabledReason(CachingDisabledReasonCategory.UNKNOWN, "Cacheability was not determined"));

    private final Either<Enabled, Disabled> delegate;

    private CachingState(Either<Enabled, Disabled> delegate) {

        result.duration == delegateDuration
        assertNoOperation()

        1 * delegate.execute(work, _) >> delegateResult
        _ * context.cachingState >> CachingState.disabledWithoutInputs(new CachingDisabledReason(CachingDisabledReasonCategory.UNKNOWN, "Unknown"))
        0 * _
    }

    def "fails if snapshotting outputs fail"() {
        def delegateDuration = Duration.ofMillis(123)

        when:
        def result = step.execute(work, context)

        then:
        result == delegateResult

        _ * context.cachingState >> CachingState.disabledWithoutInputs(new CachingDisabledReason(CachingDisabledReasonCategory.UNKNOWN, "Unknown"))
        1 * delegate.execute(work, context) >> delegateResult
        0 * _
    }