PHP-CS-Fixer/tests/WhitespacesFixerConfigTest.php

<?php

/*
 * This file is part of PHP CS Fixer.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *     Dariusz Rumiński <dariusz.ruminski@gmail.com>
 *
 * This source file is subject to the MIT license that is bundled
 * with this source code in the file LICENSE.
 */

namespace PhpCsFixer\Tests;

use PhpCsFixer\WhitespacesFixerConfig;
use PHPUnit\Framework\TestCase;

/**
 * @author Dariusz Rumiński <dariusz.ruminski@gmail.com>
 *
 * @internal
 *
 * @covers \PhpCsFixer\WhitespacesFixerConfig
 */
final class WhitespacesFixerConfigTest extends TestCase
{
    /**
     * @param string      $indent
     * @param string      $lineEnding
     * @param null|string $exceptionRegExp
     *
     * @dataProvider provideTestCases
     */
    public function testCases($indent, $lineEnding, $exceptionRegExp = null)
    {
        if (null !== $exceptionRegExp) {
            $this->setExpectedExceptionRegExp(
                \InvalidArgumentException::class,
                '%^'.preg_quote($exceptionRegExp, '%').'$%'
            );
        }

        $config = new WhitespacesFixerConfig($indent, $lineEnding);

        $this->assertSame($indent, $config->getIndent());
        $this->assertSame($lineEnding, $config->getLineEnding());
    }

    public function provideTestCases()
    {
        return [
            ['    ', "\n"],
            ["\t", "\n"],
            ['    ', "\r\n"],
            ["\t", "\r\n"],
            ['    ', 'asd', 'Invalid "lineEnding" param, expected "\n" or "\r\n".'],
            ['    ', [], 'Invalid "lineEnding" param, expected "\n" or "\r\n".'],
            ['std', "\n", 'Invalid "indent" param, expected tab or two or four spaces.'],
            [[], "\n", 'Invalid "indent" param, expected tab or two or four spaces.'],
        ];
    }
}