<?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_Form
 * @subpackage UnitTests
 * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */

namespace ZendTest\Form\Element;

use Zend\Form\Element\Checkbox as CheckboxElement,
    Zend\Form\Element\Xhtml as XhtmlElement,
    Zend\Form\Element,
    Zend\Form\Decorator,
    Zend\View\PhpRenderer as View;

/**
 * Test class for Zend_Form_Element_Checkbox
 *
 * @category   Zend
 * @package    Zend_Form
 * @subpackage UnitTests
 * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 * @group      Zend_Form
 */
class CheckboxTest extends \PHPUnit_Framework_TestCase
{
    /**
     * Sets up the fixture, for example, open a network connection.
     * This method is called before a test is executed.
     *
     * @return void
     */
    public function setUp()
    {
        $this->element = new CheckboxElement('foo');
    }

    public function getView()
    {
        return new View();
    }

    public function testCheckboxElementSubclassesXhtmlElement()
    {
        $this->assertTrue($this->element instanceof XhtmlElement);
    }

    public function testCheckboxElementInstanceOfBaseElement()
    {
        $this->assertTrue($this->element instanceof Element);
    }

    public function testCheckboxElementUsesCheckboxHelperInViewHelperDecoratorByDefault()
    {
        $decorator = $this->element->getDecorator('viewHelper');
        $this->assertTrue($decorator instanceof Decorator\ViewHelper);
        $decorator->setElement($this->element);
        $helper = $decorator->getHelper();
        $this->assertEquals('formCheckbox', $helper);
    }

    public function testCheckedFlagIsFalseByDefault()
    {
        $this->assertFalse($this->element->checked);
    }

    public function testCheckedAttributeNotRenderedByDefault()
    {
        $view = new View();
        $html = $this->element->render($view);
        $this->assertNotContains('checked="checked"', $html);
    }

    public function testCheckedAttributeRenderedWhenCheckedFlagTrue()
    {
        $view = new View();
        $this->element->checked = true;
        $html = $this->element->render($view);
        $this->assertContains('checked="checked"', $html);
    }

    public function testCheckedValueDefaultsToOne()
    {
        $this->assertEquals(1, $this->element->getCheckedValue());
    }

    public function testUncheckedValueDefaultsToZero()
    {
        $this->assertEquals(0, $this->element->getUncheckedValue());
    }

    public function testCanSetCheckedValue()
    {
        $this->testCheckedValueDefaultsToOne();
        $this->element->setCheckedValue('foo');
        $this->assertEquals('foo', $this->element->getCheckedValue());
    }

    public function testCanSetUncheckedValue()
    {
        $this->testUncheckedValueDefaultsToZero();
        $this->element->setUncheckedValue('foo');
        $this->assertEquals('foo', $this->element->getUncheckedValue());
    }

    public function testValueInitiallyUncheckedValue()
    {
        $this->assertEquals($this->element->getUncheckedValue(), $this->element->getValue());
    }

    public function testSettingValueToCheckedValueSetsWithEquivalentValue()
    {
        $this->testValueInitiallyUncheckedValue();
        $this->element->setValue($this->element->getCheckedValue());
        $this->assertEquals($this->element->getCheckedValue(), $this->element->getValue());
    }

    public function testSettingValueToAnythingOtherThanCheckedValueSetsAsUncheckedValue()
    {
        $this->testSettingValueToCheckedValueSetsWithEquivalentValue();
        $this->element->setValue('bogus');
        $this->assertEquals($this->element->getUncheckedValue(), $this->element->getValue());
    }

    public function testSettingCheckedFlagToTrueSetsValueToCheckedValue()
    {
        $this->testValueInitiallyUncheckedValue();
        $this->element->setChecked(true);
        $this->assertEquals($this->element->getCheckedValue(), $this->element->getValue());
    }

    public function testSettingCheckedFlagToFalseSetsValueToUncheckedValue()
    {
        $this->testSettingCheckedFlagToTrueSetsValueToCheckedValue();
        $this->element->setChecked(false);
        $this->assertEquals($this->element->getUncheckedValue(), $this->element->getValue());
    }

    public function testSettingValueToCheckedValueMarksElementAsChecked()
    {
        $this->testValueInitiallyUncheckedValue();
        $this->element->setValue($this->element->getCheckedValue());
        $this->assertTrue($this->element->checked);
    }

    public function testSettingValueToUncheckedValueMarksElementAsNotChecked()
    {
        $this->testSettingValueToCheckedValueMarksElementAsChecked();
        $this->element->setValue($this->element->getUncheckedValue());
        $this->assertFalse($this->element->checked);
    }

    public function testSetOptionsSetsInitialValueAccordingToCheckedAndUncheckedValues()
    {
        $options = array(
            'checkedValue'   => 'foo',
            'uncheckedValue' => 'bar',
        );

        $element = new CheckboxElement('test', $options);
        $this->assertEquals($options['uncheckedValue'], $element->getValue());
    }

    public function testSetOptionsSetsInitialValueAccordingToSubmittedValues()
    {
        $options = array(
            'test1' => array(
                'value'          => 'foo',
                'checkedValue'   => 'foo',
                'uncheckedValue' => 'bar',
            ),
            'test2' => array(
                'value'          => 'bar',
                'checkedValue'   => 'foo',
                'uncheckedValue' => 'bar',
            ),
        );

        foreach ($options as $current) {
            $element = new CheckboxElement('test', $current);
            $this->assertEquals($current['value'], $element->getValue());
            $this->assertEquals($current['checkedValue'], $element->getCheckedValue());
            $this->assertEquals($current['uncheckedValue'], $element->getUncheckedValue());
        }
    }

    public function testCheckedValueAlwaysRenderedAsCheckboxValue()
    {
        $this->element->setValue($this->element->getUncheckedValue());
        $html = $this->element->render($this->getView());
        if (!preg_match_all('/(<input[^>]+>)/', $html, $matches)) {
            $this->fail('Unexpected generated HTML: ' . $html);
        }
        $this->assertEquals(2, count($matches[1]));
        foreach ($matches[1] as $element) {
            if (strstr($element, 'hidden')) {
                $this->assertContains($this->element->getUncheckedValue(), $element);
            } else {
                $this->assertContains($this->element->getCheckedValue(), $element);
            }
        }
    }
}