Webmozart\Console\Adapter\ArgsInput::getOption PHP Method

    public function getOption($name)
    {
        return $this->args ? $this->args->getOption($name) : null;
    }

 public function testSetOption()
 {
     $inputArgs = new ArgsInput($this->rawArgs, $this->args);
     $inputNoArgs = new ArgsInput($this->rawArgs);
     $inputArgs->setOption('option2', 'value1');
     $inputNoArgs->setOption('option2', 'value1');
     $this->assertSame('value1', $inputArgs->getOption('option2'));
     $this->assertNull($inputNoArgs->getOption('option2'));
 }