[Console] Escape default value in SymfonyStyle::ask()

chalasr · chalasr · commit ad76f988b167 · 2016-09-18T15:35:35.000+02:00
diff --git a/src/Symfony/Component/Console/Helper/SymfonyQuestionHelper.php b/src/Symfony/Component/Console/Helper/SymfonyQuestionHelper.php
@@ -17,6 +17,7 @@
 use Symfony\Component\Console\Question\ConfirmationQuestion;
 use Symfony\Component\Console\Question\Question;
 use Symfony\Component\Console\Style\SymfonyStyle;
+use Symfony\Component\Console\Formatter\OutputFormatter;
 
 /**
  * Symfony Style Guide compliant question helper.
@@ -55,6 +56,10 @@ protected function writePrompt(OutputInterface $output, Question $question)
         $text = $question->getQuestion();
         $default = $question->getDefault();
 
+        if (null !== $default) {
+            $default = OutputFormatter::escape($default);
+        }
+
         switch (true) {
             case null === $default:
                 $text = sprintf(' <info>%s</info>:', $text);
diff --git a/src/Symfony/Component/Console/Tests/Helper/SymfonyQuestionHelperTest.php b/src/Symfony/Component/Console/Tests/Helper/SymfonyQuestionHelperTest.php
@@ -6,6 +6,7 @@
 use Symfony\Component\Console\Helper\HelperSet;
 use Symfony\Component\Console\Helper\SymfonyQuestionHelper;
 use Symfony\Component\Console\Output\StreamOutput;
+use Symfony\Component\Console\Question\Question;
 use Symfony\Component\Console\Question\ChoiceQuestion;
 
 /**
@@ -73,6 +74,15 @@ public function testAskChoice()
         $this->assertOutputContains('What is your favorite superhero? [Superman, Batman]', $output);
     }
 
+    public function testAskEscapeDefaultValue()
+    {
+        $helper = new SymfonyQuestionHelper();
+        $helper->setInputStream($this->getInputStream('\\'));
+        $helper->ask($this->createInputInterfaceMock(), $output = $this->createOutputInterface(), new Question('Can I have a backslash?', '\\'));
+
+        $this->assertOutputContains('Can I have a backslash? [\]', $output);
+    }
+
     protected function getInputStream($input)
     {
         $stream = fopen('php://memory', 'r+', false);
