public function testExceptionIsThrowWhenTryingToAddRequiredArgAfterOptionalArg()
{
$this->expectException(InvalidArgumentException::class);
$this->expectExceptionMessage('A required argument cannot follow an optional argument');
$definition = new CommandDefinition('animal', [], 'strlen');
$definition->addArgument(CommandArgument::optional('optional-arg'))->addArgument(CommandArgument::required('required-arg'));
}
/**
* @param string|CommandArgument $argument
* @return $this
*/
public function addArgument($argument)
{
if (!is_string($argument) && !$argument instanceof CommandArgument) {
throw InvalidArgumentException::notValidParameter('argument', ['string', CommandArgument::class], $argument);
}
if (is_string($argument)) {
$argument = new CommandArgument($argument);
}
if (count($this->args) === 0) {
$this->args[] = $argument;
return $this;
}
$previousArgument = end($this->args);
if ($previousArgument->isOptional() && $argument->isRequired()) {
throw new InvalidArgumentException(sprintf('A required argument cannot follow an optional argument'));
}
$this->args[] = $argument;
return $this;
}
/**
* Add any extra required arguments to the command.
*
* @param CommandDefinition $commandDefinition
*/
public function configureInput(CommandDefinition $commandDefinition)
{
$commandDefinition->addArgument(CommandArgument::required('program'));
}
public function testOptionalArgument()
{
$arg = new CommandArgument('arg1', true);
$this->assertSame('arg1', $arg->getName());
$this->assertTrue($arg->isOptional());
}