<?php

/**
 * Zend Framework
 *
 * LICENSE
 *
 * This source file is subject to the new BSD license that is bundled
 * with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://framework.zend.com/license/new-bsd
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@zend.com so we can send you a copy immediately.
 *
 * @category   Zend
 * @package    Zend_Validate
 * @subpackage UnitTests
 * @copyright  Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 * @version    $Id: AlphaTest.php 8064 2008-02-16 10:58:39Z thomas $
 */


/**
 * Test helper
 */
require_once dirname(__FILE__) . '/../../TestHelper.php';

/**
 * @see Zend_Validate_Alpha
 */
require_once 'Zend/Validate/Alpha.php';


/**
 * @category   Zend
 * @package    Zend_Validate
 * @subpackage UnitTests
 * @copyright  Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */
class Zend_Validate_AlphaTest extends PHPUnit_Framework_TestCase
{
    /**
     * Zend_Validate_Alpha object
     *
     * @var Zend_Validate_Alpha
     */
    protected $_validator;

    /**
     * Creates a new Zend_Validate_Alpha object for each test method
     *
     * @return void
     */
    public function setUp()
    {
        $this->_validator = new Zend_Validate_Alpha();
    }

    /**
     * Ensures that the validator follows expected behavior
     *
     * @return void
     */
    public function testBasic()
    {
        $valuesExpected = array(
            'abc123'  => false,
            'abc 123' => false,
            'abcxyz'  => true,
            'AZ@#4.3' => false,
            'aBc123'  => false,
            'aBcDeF'  => true,
            ''        => false,
            ' '       => false,
            "\n"      => false
            );
        foreach ($valuesExpected as $input => $result) {
            $this->assertEquals($result, $this->_validator->isValid($input));
        }
    }

    /**
     * Ensures that getMessages() returns expected default value
     *
     * @return void
     */
    public function testGetMessages()
    {
        $this->assertEquals(array(), $this->_validator->getMessages());
    }

    /**
     * Ensures that the allowWhiteSpace option works as expected
     *
     * @return void
     */
    public function testAllowWhiteSpace()
    {
        $this->_validator->allowWhiteSpace = true;

        $valuesExpected = array(
            'abc123'  => false,
            'abc 123' => false,
            'abcxyz'  => true,
            'AZ@#4.3' => false,
            'aBc123'  => false,
            'aBcDeF'  => true,
            ''        => false,
            ' '       => true,
            "\n"      => true,
            " \t "    => true,
            "a\tb c"  => true
            );
        foreach ($valuesExpected as $input => $result) {
            $this->assertEquals(
                $result,
                $this->_validator->isValid($input),
                "Expected '$input' to be considered " . ($result ? '' : 'in') . "valid"
                );
        }
    }
}
