execute()

        then:
        events(16)
        loggedOncePerBuild('buildListener.settingsEvaluated')
        loggedOncePerBuild('buildListener.projectsLoaded')
        loggedOncePerBuild('buildListener.projectsEvaluated')
        loggedOncePerBuild('gradle.taskGraphReady', [':'])
        loggedOncePerBuild('buildListener.buildFinished failure=null')
        loggedOncePerBuild('gradle.buildFinished failure=null')
    }

        def buildListener = new InternalBuildAdapter()
        def projectEvaluationListener = Mock(InternalProjectEvaluationListener)
        def graphListener = Mock(InternalTaskExecutionGraphListener)

        expect:
        decorator.decorate('foo', action) is action

        and:
        decorator.decorate('foo', BuildListener, buildListener) is buildListener

import org.gradle.util.TestUtil
import spock.lang.Specification

import java.util.function.Consumer
import java.util.function.Function

class DefaultBuildLifecycleControllerTest extends Specification {
    def buildListener = Mock(BuildListener)
    def buildModelLifecycleListener = Mock(BuildModelLifecycleListener)
    def workExecutor = Mock(BuildWorkExecutor)
    def workPreparer = Mock(BuildWorkPreparer)

    private static final ImmutableList<State> CONFIGURATION_STATES = ImmutableList.of(State.Configure, State.TaskSchedule, State.ReadyToRun);

    private final ExceptionAnalyser exceptionAnalyser;
    private final BuildListener buildListener;
    private final BuildModelLifecycleListener buildModelLifecycleListener;
    private final BuildWorkPreparer workPreparer;
    private final BuildWorkExecutor workExecutor;

    void buildFinished(Action<? super BuildResult> action);

    /**
     * Adds a {@link BuildListener} to this Build instance.
     *
     * The listener is notified of events which occur during the execution of the build.
     *
     * @param buildListener The listener to add.
     */
    void addBuildListener(BuildListener buildListener);

    /**

        delegate.buildFinished(action)

    override fun addBuildListener(buildListener: BuildListener) =
        // already reported as configuration cache problem, no need to override
        delegate.addBuildListener(buildListener)

    override fun useLogger(logger: Any) =
        delegate.useLogger(logger)

            }
        }
    };

    // Notification listeners are expected to register before projectsLoaded.
    // This avoids buffering until the end of the build when no listener comes.
    private final BuildListener buildListener = new InternalBuildAdapter() {
        @Override
        public void beforeSettings(Settings settings) {
            if (settings.getGradle().getParent() == null) {

        return projectEvaluationListenerBroadcast.getSource();
    }

    @Override
    public void addBuildListener(BuildListener buildListener) {
        addListener("Gradle.addBuildListener", buildListener);
    }

    @Override
    public BuildListener getBuildListenerBroadcaster() {
        return buildListenerBroadcast.getSource();
    }

    @Override
    public Gradle getGradle() {

        BuildListenerImpl buildListener = new BuildListenerImpl();
        BuildResult result = doRun(outputStream, errorStream, buildListener);
        if (result.getFailure() != null) {
            throw new UnexpectedBuildFailure(result.getFailure());
        }

        return assertResult(new InProcessExecutionResult(buildListener.executedTasks, buildListener.skippedTasks,

    private static final ImmutableSet<Class<?>> SUPPORTED_INTERFACES = ImmutableSet.of(
        BuildListener.class,
        ProjectEvaluationListener.class,
        TaskExecutionGraphListener.class
    );

    // we don't decorate everything in BuildListener, just projectsLoaded/projectsEvaluated
    private static final ImmutableSet<String> UNDECORATED_METHOD_NAMES = ImmutableSet.of(