consolidation / robo

        $I->seeFileFound('build/a/c/c.txt');

    }

    public function toRollbackAfterFailureViaACollectionBuilder(CliGuy $I)

    {

        // This is like the previous test, toRunMultipleTasksViaACollectionBuilder,

        // except we force an error at the end, and confirm that the

        // rollback function is called.

        $collection = $I->collectionBuilder();

        $result = $collection->taskFilesystemStack()

                ->mkdir('j')

                ->touch('j/j.txt')

            ->rollback(

                $I->taskDeleteDir('j')

            )

            ->taskFilesystemStack()

                ->mkdir('j/k')

                ->touch('j/k/k.txt')

            ->taskFilesystemStack()

                ->mkdir('j/k/m')

                ->touch('j/k/m/m.txt')

            ->taskCopyDir(['doesNotExist' => 'copied'])

            ->run();

        $I->assertEquals(1, $result->getExitCode(), $result->getMessage());

        // All of the tasks created by the builder should be added

        // to a collection, and `run()` should run them all.

        $I->dontSeeFileFound('q/q.txt');

        $I->dontSeeFileFound('j/j.txt');

        $I->dontSeeFileFound('j/k/k.txt');

        $I->dontSeeFileFound('j/k/m/m.txt');

    }

    public function toAbortRollbackOrCompletion(CliGuy $I)

    {

        $I->dontSeeFileFound('j/k/m/m.txt');

    }

    public function toAbortRollbackOrCompletion(CliGuy $I)

    {

        // This is like the previous test, except we throw a ForcedException()

        // inside the rollback to abort the rollback.

        $collection = $I->collectionBuilder();

        $result = $collection->taskFilesystemStack()

            ->mkdir('j')

            ->touch('j/j.txt')

            ->rollback(

                $I->taskDeleteDir('j')

            )

            ->rollbackCode(function () {

                throw new AbortTasksException('Aborting rollback.');

            })

            ->taskFilesystemStack()

            ->mkdir('j/k')

            ->touch('j/k/k.txt')

            ->taskFilesystemStack()

            ->mkdir('j/k/m')

            ->touch('j/k/m/m.txt')

            ->taskCopyDir(['doesNotExist' => 'copied'])

            ->run();

        $I->assertEquals(1, $result->getExitCode(), $result->getMessage());

        // All of the tasks created by the builder should be added

        // to a collection, and `run()` should run them all.

        $I->seeFileFound('j/j.txt');

        $I->seeFileFound('j/k/k.txt');

        $I->seeFileFound('j/k/m/m.txt');

    }

    public function toRollbackAWorkingDir(CliGuy $I)

    {