when:
        launcher.run()

        then:
        1 * executor.run(_, _) >> { ConsumerAction action, ResultHandlerVersion1 handler ->
            action.run(connection)
            handler.onComplete(null)
        }
        1 * connection.runTests(_, _) >> { TestExecutionRequest request, ConsumerOperationParameters params ->
            assert request.testClassNames == ["test"]

            consumerAction.run(connection)
            adaptedHandler.onComplete(null)
        }

        and:
        1 * connection.run(phasedAction, _)
        1 * handler.onComplete(null)
        0 * handler.onFailure(_)
    }

    def "notifies handler of failure"() {
        def handler = Mock(ResultHandler)

            adaptedHandler.onComplete(null)
        }
        1 * connection.run(Void, _) >> {args ->
            ConsumerOperationParameters params = args[1]
            assert params.tasks == [':task1', ':task2']
            assert params.standardOutput == stdout
            assert params.standardError == stderr
            return null
        }
        1 * handler.onComplete(null)
        0 * asyncConnection._

            onComplete(model, projectsLoadedHandler);
        } else if (type == PhasedActionResult.Phase.BUILD_FINISHED) {
            onComplete(model, buildFinishedHandler);
        }
    }

    private <T> void onComplete(Object result, @Nullable IntermediateResultHandler<T> handler) {
        if (handler != null) {
            handler.onComplete(Cast.<T>uncheckedNonnullCast(result));
        }
    }

            assert params.cancellationToken != null
            assert params.tasks == null
            return result
        }

        when:
        adaptedHandler.onComplete(result)

        then:
        1 * handler.onComplete(result)
        0 * _._
    }

    def "can configure the operation"() {
        ResultHandler<GradleProject> handler = Mock()
        ResultHandlerVersion1<GradleProject> adaptedHandler

        }

        @Override
        public ParserState onStartNextArg() {
            return onComplete();
        }

        @Override
        public ParserState onArgument(String argument) {
            return onComplete();
        }

        @Override
        public ParserState onComplete() {
            commandLine.addExtraValue(arg);
            return state;
        }
    }

            adaptedHandler = args[1]
        }
        1 * connection.run(action, _) >> { args ->
            return result
        }

        when:
        adaptedHandler.onComplete(result)

        then:
        1 * handler.onComplete(result)
        0 * _._
    }

    def "notifies handler of failure"() {
        ResultHandlerVersion1<GradleProject> adaptedHandler
        ResultHandler<GradleProject> handler = Mock()

        listener.onResult(new ProjectsLoadedResult<String>('result1'))
        listener.onResult(new BuildFinishedResult<String>('result2'))

        then:
        1 * projectsLoadedHandler.onComplete('result1')
        1 * buildFinishedHandler.onComplete('result2')
    }

    def "null handler is not called"() {
        def emptyListener = new DefaultPhasedActionResultListener(null, null)

        when:

        this.handler = handler;
        this.connectionExceptionTransformer = connectionExceptionTransformer;
    }

    @Override
    public void onComplete(T result) {
        handler.onComplete(result);
    }

    @Override
    public void onFailure(Throwable failure) {
        handler.onFailure(connectionExceptionTransformer.transform(failure));
    }

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.gradle.tooling.internal.protocol;

public interface ResultHandlerVersion1<T> {
    void onComplete(T result);

    void onFailure(Throwable failure);