<?php $I = new CliGuy($scenario); $I->wantTo('overwrite a file with CopyDir task'); $I->amInPath(codecept_data_dir() . 'sandbox'); $I->seeDirFound('some'); $I->seeFileFound('existing_file', 'some'); $I->taskCopyDir(['some' => 'some_destination'])->run(); $I->seeFileFound('existing_file', 'some_destination/deeply'); $I->openFile('some_destination/deeply/existing_file'); $I->seeInThisFile('some existing file');