<?php
namespace Respect\Validation\Rules;

class YesTest extends \PHPUnit_Framework_TestCase
{
    public function testShouldUseDefaultPattern()
    {
        $rule = new Yes();

        $actualPattern = $rule->regex;
        $expectedPattern = '/^y(eah?|ep|es)?$/i';

        $this->assertEquals($expectedPattern, $actualPattern);
    }

    public function testShouldUseLocalPatternForYesExpressionWhenDefined()
    {
        if (!defined('YESEXPR')) {
            $this->markTestSkipped('Constant YESEXPR is not defined');

            return;
        }

        $rule = new Yes(true);

        $actualPattern = $rule->regex;
        $expectedPattern = '/'.nl_langinfo(YESEXPR).'/i';

        $this->assertEquals($expectedPattern, $actualPattern);
    }

    /**
     * @dataProvider validYesProvider
     */
    public function testShouldValidatePatternAccordingToTheDefinedLocale($input)
    {
        $rule = new Yes();

        $this->assertTrue($rule->validate($input));
    }

    public function validYesProvider()
    {
        return array(
            array('Y'),
            array('Yea'),
            array('Yeah'),
            array('Yep'),
            array('Yes'),
        );
    }

    /**
     * @dataProvider invalidYesProvider
     */
    public function testShouldNotValidatePatternAccordingToTheDefinedLocale($input)
    {
        $rule = new Yes();

        $this->assertFalse($rule->validate($input));
    }

    public function invalidYesProvider()
    {
        return array(
            array('Si'),
            array('Sim'),
            array('Yoo'),
            array('Young'),
            array('Yy'),
        );
    }
}