Format/CaseViewHelperTest.php

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<?php
namespace TYPO3\CMS\Fluid\Tests\Unit\ViewHelpers\Format;

/*                                                                        *
 * This script is backported from the TYPO3 Flow package "TYPO3.Fluid".   *
 *                                                                        *
 * It is free software; you can redistribute it and/or modify it under    *
 * the terms of the GNU General Public License, either version 3 of the   *
 * License, or (at your option) any later version.                        *
 *                                                                        *
 * The TYPO3 project - inspiring people to share!                         *
 *                                                                        */

use TYPO3\CMS\Fluid\Tests\Unit\ViewHelpers\ViewHelperBaseTestcase;
use TYPO3\CMS\Fluid\ViewHelpers\Format\CaseViewHelper;

class CaseViewHelperTest extends ViewHelperBaseTestcase
{
    protected $subject;

    protected function setUp()
    {
        parent::setUp();
        $this->subject = $this->getMock(CaseViewHelper::class, array('renderChildren'));
        $this->injectDependenciesIntoViewHelper($this->subject);
    }

    public function viewHelperRendersChildrenIfGivenValueIsNull()
    {
        $this->subject->expects($this->once())->method('renderChildren');
        $this->subject->render();
    }

    public function viewHelperDoesNotRenderChildrenIfGivenValueIsNotNull()
    {
        $this->subject->expects($this->never())->method('renderChildren');
        $this->subject->render('');
        $this->subject->render(0);
        $this->subject->render('foo');
    }

    public function viewHelperThrowsExceptionIfIncorrectModeIsGiven()
    {
        $this->subject->render('Foo', 'incorrectMode');
    }

    public function viewHelperConvertsUppercasePerDefault()
    {
        $this->assertSame('FOOB4R', $this->subject->render('FooB4r'));
    }

    public function conversionTestingDataProvider()
    {
        return array(
            array('FooB4r', CaseViewHelper::CASE_LOWER, 'foob4r'),
            array('FooB4r', CaseViewHelper::CASE_UPPER, 'FOOB4R'),
            array('foo bar', CaseViewHelper::CASE_CAPITAL, 'Foo bar'),
            array('FOO Bar', CaseViewHelper::CASE_UNCAPITAL, 'fOO Bar'),
            array('smørrebrød', CaseViewHelper::CASE_UPPER, 'SMØRREBRØD'),
            array('smørrebrød', CaseViewHelper::CASE_CAPITAL, 'Smørrebrød'),
            array('römtömtömtöm', CaseViewHelper::CASE_UPPER, 'RÖMTÖMTÖMTÖM'),
            array('Ἕλλάς α ω', CaseViewHelper::CASE_UPPER, 'ἝΛΛΆΣ Α Ω'),
        );
    }

    public function viewHelperConvertsCorrectly($input, $mode, $expected)
    {
        $this->assertSame($expected, $this->subject->render($input, $mode), sprintf('The conversion with mode "%s" did not perform as expected.', $mode));
    }
}