DigitValidatorTest.php

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<?php
namespace TYPO3\CMS\Form\Tests\Unit\Validation;
class DigitValidatorTest extends \TYPO3\CMS\Core\Tests\UnitTestCase {

    protected $helper;

    protected $subject;

    public function setUp() {
        $this->helper = new \TYPO3\CMS\Form\Tests\Unit\Validation\Helper();
        $this->subject = $this->getMock('TYPO3\\CMS\\Form\\Validation\\DigitValidator', array('dummy'), array(), '', FALSE);
    }

    public function validDigitProvider() {
        return array(
            'stringified integer'                    => array('2012'),
            'stringified integer with leading zeros' => array('0002'),
        );
    }

    public function invalidDigitProvider() {
        return array(
            'stringified float'      => array('0.2012'),
            'stringified scientific' => array('1.9E+11')
        );
    }

    public function isValidForValidInputReturnsTrue($input) {
        $this->subject->setFieldName('myDigit');
        $requestHandlerMock = $this->helper->getRequestHandler(array(
            'myDigit' => $input
        ));
        $this->subject->injectRequestHandler($requestHandlerMock);

        $this->assertTrue(
            $this->subject->isValid()
        );
    }

    public function isValidForInvalidInputReturnsFalse($input) {
        $this->subject->setFieldName('myDigit');
        $requestHandlerMock = $this->helper->getRequestHandler(array(
            'myDigit' => $input
        ));
        $this->subject->injectRequestHandler($requestHandlerMock);

        $this->assertFalse(
            $this->subject->isValid()
        );
    }
}