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<?php defined('SYSPATH') OR die('Kohana bootstrap needs to be included before tests run');

/**
 * Unit tests for CLI
 *
 * Based on the Kohana-unittest test
 *
 * @group kohana
 * @group kohana.cli
 *
 * @see CLI
 * @package    Kohana
 * @category   Tests
 * @author     Kohana Team
 * @author     BRMatt <matthew@sigswitch.com>
 * @copyright  (c) 2008-2011 Kohana Team
 * @license    http://kohanaframework.org/license
 */
class Kohana_CLITest extends Unittest_TestCase
{
	
	/**
	 * Tell PHPUnit to isolate globals during tests 
	 * @var boolean 
	 */
	protected $backupGlobals = TRUE;

/**
	 * An array of arguments to put in $_SERVER['argv']
	 * @var array 
	 */
	protected $options = array(
							'--uri' => 'test/something',
							'--we_are_cool',
							'invalid option',
							'--version' => '2.23',
							'--important' => 'something=true',
							'--name' => 'Jeremy Taylor',
						);

/**
	 * Setup the enviroment for each test
	 *
	 * PHPUnit automatically backups up & restores global variables
	 */
	public function setUp()
	{
		parent::setUp();

$_SERVER['argv'] = array('index.php');

foreach($this->options as $option => $value)
		{
			if(is_string($option))
			{
				$_SERVER['argv'][] = $option.'='.$value;
			}
			else
			{
				$_SERVER['argv'][] = $value;
			}
		}

$_SERVER['argc'] = count($_SERVER['argv']);
	}

/**
	 * If for some reason arc != count(argv) then we need
	 * to fail gracefully.
	 *
	 * This test ensures it will
	 *
	 * @test
	 */
	public function test_only_loops_over_available_arguments()
	{
		++$_SERVER['argc'];
		
		$options = CLI::options('uri');

$this->assertSame(1, count($options));
	}

/**
	 * Options should only parse arguments requested
	 *
	 * @test
	 */
	public function test_only_parses_wanted_arguments()
	{
		$options = CLI::options('uri');

$this->assertSame(1, count($options));
		
		$this->assertArrayHasKey('uri', $options);
		$this->assertSame($options['uri'], $this->options['--uri']);
	}

/**
	 * Options should not parse invalid arguments (i.e. not starting with --_
	 *
	 * @test
	 */
	public function test_does_not_parse_invalid_arguments()
	{
		$options = CLI::options('uri', 'invalid');
		
		$this->assertSame(1, count($options));
		$this->assertArrayHasKey('uri', $options);
		$this->assertArrayNotHasKey('invalid', $options);
	}

/**
	 * Options should parse multiple arguments & values correctly
	 *
	 * @test
	 */
	public function test_parses_multiple_arguments()
	{
		$options = CLI::options('uri', 'version');

$this->assertSame(2, count($options));
		$this->assertArrayHasKey('uri', $options);
		$this->assertArrayHasKey('version', $options);
		$this->assertSame($this->options['--uri'], $options['uri']);
		$this->assertSame($this->options['--version'], $options['version']);
	}

/**
	 * Options should parse arguments without specified values as NULL
	 *
	 * @test
	 */
	public function test_parses_arguments_without_value_as_null()
	{
		$options = CLI::options('uri', 'we_are_cool');

$this->assertSame(2, count($options));
		$this->assertSame(NULL, $options['we_are_cool']);
	}

/**
	 * If the argument contains an equals sign then it shouldn't be split
	 *
	 * @test
	 * @ticket 2642
	 */
	public function test_cli_only_splits_on_the_first_equals()
	{
		$options = CLI::options('important');

$this->assertSame(1, count($options));
		$this->assertSame('something=true', reset($options));
	}

/**
	 * Arguments enclosed with quote marks should be allowed to contain
	 * spaces
	 *
	 * @test
	 */
	public function test_value_includes_spaces_when_enclosed_with_quotes()
	{
		$options = CLI::options('name');

$this->assertSame(array('name' => 'Jeremy Taylor'), $options);
	}
}