<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Tests\Iterator;

use Symfony\Component\Finder\Iterator\FilecontentFilterIterator;

class FilecontentFilterIteratorTest extends IteratorTestCase
{
    public function testAccept()
    {
        $inner = new MockFileListIterator(['test.txt']);
        $iterator = new FilecontentFilterIterator($inner, [], []);
        $this->assertIterator(['test.txt'], $iterator);
    }

    public function testDirectory()
    {
        $inner = new MockFileListIterator(['directory']);
        $iterator = new FilecontentFilterIterator($inner, ['directory'], []);
        $this->assertIterator([], $iterator);
    }

    public function testUnreadableFile()
    {
        $inner = new MockFileListIterator(['file r-']);
        $iterator = new FilecontentFilterIterator($inner, ['file r-'], []);
        $this->assertIterator([], $iterator);
    }

    /**
     * @dataProvider getTestFilterData
     */
    public function testFilter(\Iterator $inner, array $matchPatterns, array $noMatchPatterns, array $resultArray)
    {
        $iterator = new FilecontentFilterIterator($inner, $matchPatterns, $noMatchPatterns);
        $this->assertIterator($resultArray, $iterator);
    }

    public function getTestFilterData()
    {
        $inner = new MockFileListIterator();

        $inner[] = new MockSplFileInfo([
            'name' => 'a.txt',
            'contents' => 'Lorem ipsum...',
            'type' => 'file',
            'mode' => 'r+', ]
        );

        $inner[] = new MockSplFileInfo([
            'name' => 'b.yml',
            'contents' => 'dolor sit...',
            'type' => 'file',
            'mode' => 'r+', ]
        );

        $inner[] = new MockSplFileInfo([
            'name' => 'some/other/dir/third.php',
            'contents' => 'amet...',
            'type' => 'file',
            'mode' => 'r+', ]
        );

        $inner[] = new MockSplFileInfo([
            'name' => 'unreadable-file.txt',
            'contents' => false,
            'type' => 'file',
            'mode' => 'r+', ]
        );

        return [
            [$inner, ['.'], [], ['a.txt', 'b.yml', 'some/other/dir/third.php']],
            [$inner, ['ipsum'], [], ['a.txt']],
            [$inner, ['i', 'amet'], ['Lorem', 'amet'], ['b.yml']],
        ];
    }
}