--- /dev/null
+<?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\Command\HelpCommand;
+use Symfony\Component\Console\Command\ListCommand;
+use Symfony\Component\Console\Application;
+
+class HelpCommandTest extends \PHPUnit_Framework_TestCase
+{
+ public function testExecute()
+ {
+ $command = new HelpCommand();
+
+ $commandTester = new CommandTester($command);
+ $command->setCommand(new ListCommand());
+ $commandTester->execute(array());
+ $this->assertRegExp('/list \[--xml\] \[--raw\] \[namespace\]/', $commandTester->getDisplay(), '->execute() returns a text help for the given command');
+
+ $command->setCommand(new ListCommand());
+ $commandTester->execute(array('--xml' => true));
+ $this->assertRegExp('/<command/', $commandTester->getDisplay(), '->execute() returns an XML help text if --xml is passed');
+
+ $application = new Application();
+ $commandTester = new CommandTester($application->get('help'));
+ $commandTester->execute(array('command_name' => 'list'));
+ $this->assertRegExp('/list \[--xml\] \[--raw\] \[namespace\]/', $commandTester->getDisplay(), '->execute() returns a text help for the given command');
+
+ $commandTester->execute(array('command_name' => 'list', '--xml' => true));
+ $this->assertRegExp('/<command/', $commandTester->getDisplay(), '->execute() returns an XML help text if --xml is passed');
+ }
+}