<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
declare(strict_types=1);

namespace Magento\Framework\App\Test\Unit\Utility;

use Magento\Framework\App\Utility\Files;
use Magento\Framework\Component\ComponentRegistrar;
use Magento\Framework\Component\DirSearch;
use Magento\Framework\TestFramework\Unit\Helper\ObjectManager;
use PHPUnit\Framework\MockObject\MockObject;
use PHPUnit\Framework\TestCase;

/**
* Test for Utility/Files class.
*
*/
class FilesTest extends TestCase
{
/**
* @var DirSearch|MockObject
*/
private $dirSearchMock;

protected function setUp(): void
{
$objectManager = new ObjectManager($this);
$this->dirSearchMock = $this->createMock(DirSearch::class);
$fileUtilities = $objectManager->getObject(
Files::class,
[
'dirSearch' => $this->dirSearchMock
]
);
Files::setInstance($fileUtilities);
}

protected function tearDown(): void
{
Files::setInstance();
}

public function testGetConfigFiles()
{
$this->dirSearchMock->expects($this->once())
->method('collectFiles')
->with(ComponentRegistrar::MODULE, '/etc/some.file')
->willReturn(['/one/some.file', '/two/some.file', 'some.other.file']);

$expected = ['/one/some.file', '/two/some.file'];
$actual = Files::init()->getConfigFiles('some.file', ['some.other.file'], false);
$this->assertSame($expected, $actual);
// Check that the result is cached (collectFiles() is called only once)
$this->assertSame($expected, $actual);
}

public function testGetDbSchemaFiles()
{
$this->dirSearchMock->expects($this->once())
->method('collectFiles')
->with(ComponentRegistrar::MODULE, '/etc/db_schema.xml')
->willReturn(['First/Module/etc/db_schema.xml', 'Second/Module/etc/db_schema.xml']);

$expected = [
'First/Module/etc/db_schema.xml' => ['First/Module/etc/db_schema.xml'],
'Second/Module/etc/db_schema.xml' => ['Second/Module/etc/db_schema.xml'],
];
$actual = Files::init()->getDbSchemaFiles('db_schema.xml', ['Second/Module/etc/db_schema.xml']);
$this->assertSame($expected, $actual);
}

public function testGetLayoutConfigFiles()
{
$this->dirSearchMock->expects($this->once())
->method('collectFiles')
->with(ComponentRegistrar::THEME, '/etc/some.file')
->willReturn(['/one/some.file', '/two/some.file']);

$expected = ['/one/some.file', '/two/some.file'];
$actual = Files::init()->getLayoutConfigFiles('some.file', false);
$this->assertSame($expected, $actual);
// Check that the result is cached (collectFiles() is called only once)
$this->assertSame($expected, $actual);
}
}