Edit: ListCommandTest.php

Editing: ListCommandTest.php

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<?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\Command;

use Symfony\Component\Console\Tester\CommandTester;
use Symfony\Component\Console\Application;

class ListCommandTest extends \PHPUnit_Framework_TestCase
{
    public function testExecuteListsCommands()
    {
        $application = new Application();
        $commandTester = new CommandTester($command = $application->get('list'));
        $commandTester->execute(array('command' => $command->getName()), array('decorated' => false));

$this->assertRegExp('/help   Displays help for a command/', $commandTester->getDisplay(), '->execute() returns a list of available commands');
    }

public function testExecuteListsCommandsWithXmlOption()
    {
        $application = new Application();
        $commandTester = new CommandTester($command = $application->get('list'));
        $commandTester->execute(array('command' => $command->getName(), '--format' => 'xml'));
        $this->assertRegExp('/<command id="list" name="list">/', $commandTester->getDisplay(), '->execute() returns a list of available commands in XML if --xml is passed');
    }

public function testExecuteListsCommandsWithRawOption()
    {
        $application = new Application();
        $commandTester = new CommandTester($command = $application->get('list'));
        $commandTester->execute(array('command' => $command->getName(), '--raw' => true));
        $output = <<<EOF
help   Displays help for a command
list   Lists commands

EOF;

$this->assertEquals($output, $commandTester->getDisplay(true));
    }

public function testExecuteListsCommandsWithNamespaceArgument()
    {

require_once(realpath(__DIR__.'/../Fixtures/FooCommand.php'));
        $application = new Application();
        $application->add(new \FooCommand());
        $commandTester = new CommandTester($command = $application->get('list'));
        $commandTester->execute(array('command' => $command->getName(), 'namespace' => 'foo', '--raw' => true));
        $output = <<<EOF
foo:bar   The foo:bar command

EOF;

$this->assertEquals($output, $commandTester->getDisplay(true));
    }
}