PHP-CS-Fixer/tests/Console/Command/HelpCommandTest.php

<?php

declare(strict_types=1);

/*
 * 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\Console\Command;

use PhpCsFixer\Console\Command\HelpCommand;
use PhpCsFixer\FixerConfiguration\FixerOption;
use PhpCsFixer\FixerConfiguration\FixerOptionInterface;
use PhpCsFixer\Tests\TestCase;

/**
 * @internal
 *
 * @covers \PhpCsFixer\Console\Command\HelpCommand
 */
final class HelpCommandTest extends TestCase
{
    /**
     * @param mixed $input
     *
     * @dataProvider provideToStringCases
     */
    public function testToString(string $expected, $input): void
    {
        static::assertSame($expected, HelpCommand::toString($input));
    }

    public function provideToStringCases(): \Generator
    {
        yield ["['a' => 3, 'b' => 'c']", ['a' => 3, 'b' => 'c']];

        yield ['[[1], [2]]', [[1], [2]]];

        yield ['[0 => [1], \'a\' => [2]]', [[1], 'a' => [2]]];

        yield ['[1, 2, \'foo\', null]', [1, 2, 'foo', null]];

        yield ['[1, 2]', [1, 2]];

        yield ['[]', []];

        yield ['1.5', 1.5];

        yield ['false', false];

        yield ['true', true];

        yield ['1', 1];

        yield ["'foo'", 'foo'];
    }

    /**
     * @param null|mixed $expected
     *
     * @dataProvider provideGetDisplayableAllowedValuesCases
     */
    public function testGetDisplayableAllowedValues($expected, FixerOptionInterface $input): void
    {
        static::assertSame($expected, HelpCommand::getDisplayableAllowedValues($input));
    }

    public function provideGetDisplayableAllowedValuesCases(): \Generator
    {
        yield [null, new FixerOption('foo', 'bar', false, null, ['int'], [])];

        yield [['A', 'B', 'x', 'z'], new FixerOption('foo', 'bar', false, null, ['string'], ['z', 'x', 'B', 'A'])];

        yield [[0, 3, 9], new FixerOption('foo', 'bar', false, null, ['int'], [0, 3, 9, static function (): void {}])];

        yield [null, new FixerOption('foo', 'bar')];
    }
}