/**
* Default value `null`
*
* @return void
**/
public function testNullValue()
{
$param = new Parameter('foo');
$param->setDefaultValue(null);
$this->assertTrue($param->hasDefaultValue());
$this->assertEquals(null, $param->getDefaultValue());
}
/**
* Ask for a parameter's value
*
* @param Parameter $parameter
* @param InputInterface $input
* @param OutputInterface $output
* @return array[string]string the parameter set as a key/value hash for use in a generator
**/
public function askParameter(Parameter $parameter, InputInterface $input, OutputInterface $output)
{
if ($parameter->hasDefaultValue()) {
$question = new Question($parameter->getDescription(), $parameter->getDefaultValue());
} else {
$question = new Question($parameter->getDescription());
}
return $this->getQuestionHelper()->ask($input, $output, $question);
}