/**
* Returns or initializes the symfony/console DialogHelper
*
* @return DialogHelper
*/
protected function getDialogHelper()
{
if ($this->dialogHelper === NULL) {
$this->dialogHelper = new DialogHelper();
$helperSet = new HelperSet(array(new FormatterHelper()));
$this->dialogHelper->setHelperSet($helperSet);
}
return $this->dialogHelper;
}
/**
* Returns or initializes the symfony/console DialogHelper
*
* @return DialogHelper
*/
protected function getDialogHelper()
{
if ($this->dialogHelper === null) {
$this->dialogHelper = new DialogHelper();
$helperSet = new HelperSet([new FormatterHelper()]);
$this->dialogHelper->setHelperSet($helperSet);
}
return $this->dialogHelper;
}
public function testAskAndValidate()
{
$dialog = new DialogHelper();
$helperSet = new HelperSet(array(new FormatterHelper()));
$dialog->setHelperSet($helperSet);
$question = 'What color was the white horse of Henry IV?';
$error = 'This is not a color!';
$validator = function ($color) use($error) {
if (!in_array($color, array('white', 'black'))) {
throw new \InvalidArgumentException($error);
}
return $color;
};
$dialog->setInputStream($this->getInputStream("\nblack\n"));
$this->assertEquals('white', $dialog->askAndValidate($this->getOutputStream(), $question, $validator, 2, 'white'));
$this->assertEquals('black', $dialog->askAndValidate($this->getOutputStream(), $question, $validator, 2, 'white'));
$dialog->setInputStream($this->getInputStream("green\nyellow\norange\n"));
try {
$this->assertEquals('white', $dialog->askAndValidate($this->getOutputStream(), $question, $validator, 2, 'white'));
$this->fail();
} catch (\InvalidArgumentException $e) {
$this->assertEquals($error, $e->getMessage());
}
}
