Chris@5: <?php
Chris@5: 
Chris@5: namespace Consolidation\SiteProcess;
Chris@5: 
Chris@5: use Symfony\Component\Console\Output\BufferedOutput;
Chris@5: 
Chris@5: trait CommandTesterTrait
Chris@5: {
Chris@5:     /** @var string */
Chris@5:     protected $appName;
Chris@5: 
Chris@5:     /** @var string */
Chris@5:     protected $appVersion;
Chris@5: 
Chris@5:     /**
Chris@5:      * Instantiate a new runner
Chris@5:      */
Chris@5:     public function setupCommandTester($appName, $appVersion)
Chris@5:     {
Chris@5:         // Define our invariants for our test
Chris@5:         $this->appName = $appName;
Chris@5:         $this->appVersion = $appVersion;
Chris@5:     }
Chris@5: 
Chris@5:     /**
Chris@5:      * Prepare our $argv array; put the app name in $argv[0] followed by
Chris@5:      * the command name and all command arguments and options.
Chris@5:      *
Chris@5:      * @param array $functionParameters should usually be func_get_args()
Chris@5:      * @param int $leadingParameterCount the number of function parameters
Chris@5:      *   that are NOT part of argv. Default is 2 (expected content and
Chris@5:      *   expected status code).
Chris@5:      */
Chris@5:     protected function argv($functionParameters, $leadingParameterCount = 2)
Chris@5:     {
Chris@5:         $argv = $functionParameters;
Chris@5:         $argv = array_slice($argv, $leadingParameterCount);
Chris@5:         array_unshift($argv, $this->appName);
Chris@5: 
Chris@5:         return $argv;
Chris@5:     }
Chris@5: 
Chris@5:     /**
Chris@5:      * Simulated front controller
Chris@5:      */
Chris@5:     protected function execute($argv, $commandClasses, $configurationFile = false)
Chris@5:     {
Chris@5:         // Define a global output object to capture the test results
Chris@5:         $output = new BufferedOutput();
Chris@5: 
Chris@5:         // We can only call `Runner::execute()` once; then we need to tear down.
Chris@5:         $runner = new \Robo\Runner($commandClasses);
Chris@5:         if ($configurationFile) {
Chris@5:             $runner->setConfigurationFilename($configurationFile);
Chris@5:         }
Chris@5:         $statusCode = $runner->execute($argv, $this->appName, $this->appVersion, $output);
Chris@5: 
Chris@5:         // Destroy our container so that we can call $runner->execute() again for the next test.
Chris@5:         \Robo\Robo::unsetContainer();
Chris@5: 
Chris@5:         // Return the output and status code.
Chris@5:         return [trim($output->fetch()), $statusCode];
Chris@5:     }
Chris@5: }