comparison vendor/symfony/console/Tester/CommandTester.php @ 18:af1871eacc83

Update to Drupal core 8.7.1

         ) {
             $input = array_merge(['command' => $this->command->getName()], $input);
         }
 
         $this->input = new ArrayInput($input);
-        if ($this->inputs) {
-            $this->input->setStream(self::createStream($this->inputs));
-        }
+        // Use an in-memory input stream even if no inputs are set so that QuestionHelper::ask() does not rely on the blocking STDIN.
+        $this->input->setStream(self::createStream($this->inputs));
 
         if (isset($options['interactive'])) {
             $this->input->setInteractive($options['interactive']);
         }
 

      *
      * @return string The display
      */
     public function getDisplay($normalize = false)
     {
+        if (null === $this->output) {
+            throw new \RuntimeException('Output not initialized, did you execute the command before requesting the display?');
+        }
+
         rewind($this->output->getStream());
 
         $display = stream_get_contents($this->output->getStream());
 
         if ($normalize) {