<?php

/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/

namespace Symfony\Component\Console\Tests\Input;

use PHPUnit\Framework\TestCase;
use Symfony\Component\Console\Input\InputArgument;

class InputArgumentTest extends TestCase
{
public function testConstructor()
{
$argument = new InputArgument('foo');
$this->assertEquals('foo', $argument->getName(), '__construct() takes a name as its first argument');
}

public function testModes()
{
$argument = new InputArgument('foo');
$this->assertFalse($argument->isRequired(), '__construct() gives a "InputArgument::OPTIONAL" mode by default');

$argument = new InputArgument('foo', null);
$this->assertFalse($argument->isRequired(), '__construct() can take "InputArgument::OPTIONAL" as its mode');

$argument = new InputArgument('foo', InputArgument::OPTIONAL);
$this->assertFalse($argument->isRequired(), '__construct() can take "InputArgument::OPTIONAL" as its mode');

$argument = new InputArgument('foo', InputArgument::REQUIRED);
$this->assertTrue($argument->isRequired(), '__construct() can take "InputArgument::REQUIRED" as its mode');
}

/**
* @expectedException \InvalidArgumentException
* @expectedExceptionMessage Argument mode "-1" is not valid.
*/
public function testInvalidModes()
{
new InputArgument('foo', '-1');
}

public function testIsArray()
{
$argument = new InputArgument('foo', InputArgument::IS_ARRAY);
$this->assertTrue($argument->isArray(), '->isArray() returns true if the argument can be an array');
$argument = new InputArgument('foo', InputArgument::OPTIONAL | InputArgument::IS_ARRAY);
$this->assertTrue($argument->isArray(), '->isArray() returns true if the argument can be an array');
$argument = new InputArgument('foo', InputArgument::OPTIONAL);
$this->assertFalse($argument->isArray(), '->isArray() returns false if the argument can not be an array');
}

public function testGetDescription()
{
$argument = new InputArgument('foo', null, 'Some description');
$this->assertEquals('Some description', $argument->getDescription(), '->getDescription() return the message description');
}

public function testGetDefault()
{
$argument = new InputArgument('foo', InputArgument::OPTIONAL, '', 'default');
$this->assertEquals('default', $argument->getDefault(), '->getDefault() return the default value');
}

public function testSetDefault()
{
$argument = new InputArgument('foo', InputArgument::OPTIONAL, '', 'default');
$argument->setDefault(null);
$this->assertNull($argument->getDefault(), '->setDefault() can reset the default value by passing null');
$argument->setDefault('another');
$this->assertEquals('another', $argument->getDefault(), '->setDefault() changes the default value');

$argument = new InputArgument('foo', InputArgument::OPTIONAL | InputArgument::IS_ARRAY);
$argument->setDefault(array(1, 2));
$this->assertEquals(array(1, 2), $argument->getDefault(), '->setDefault() changes the default value');
}

/**
* @expectedException \LogicException
* @expectedExceptionMessage Cannot set a default value except for InputArgument::OPTIONAL mode.
*/
public function testSetDefaultWithRequiredArgument()
{
$argument = new InputArgument('foo', InputArgument::REQUIRED);
$argument->setDefault('default');
}

/**
* @expectedException \LogicException
* @expectedExceptionMessage A default value for an array argument must be an array.
*/
public function testSetDefaultWithArrayArgument()
{
$argument = new InputArgument('foo', InputArgument::IS_ARRAY);
$argument->setDefault('default');
}
}