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✏️ Editing: InMemoryFilesystemAdapterTest.php

<?php

declare(strict_types=1);

namespace League\Flysystem\InMemory;

use League\Flysystem\AdapterTestUtilities\FilesystemAdapterTestCase;
use League\Flysystem\Config;
use League\Flysystem\FilesystemAdapter;
use League\Flysystem\StorageAttributes;
use League\Flysystem\UnableToCopyFile;
use League\Flysystem\UnableToMoveFile;
use League\Flysystem\UnableToReadFile;
use League\Flysystem\UnableToRetrieveMetadata;
use League\Flysystem\Visibility;
use League\MimeTypeDetection\EmptyExtensionToMimeTypeMap;
use League\MimeTypeDetection\ExtensionMimeTypeDetector;

/**
 * @group in-memory
 */
class InMemoryFilesystemAdapterTest extends FilesystemAdapterTestCase
{
    const PATH = 'path.txt';

/**
     * @before
     */
    public function resetFunctionMocks(): void
    {
        reset_function_mocks();
        /** @var InMemoryFilesystemAdapter $filesystemAdapter */
        $filesystemAdapter = $this->adapter();
        $filesystemAdapter->deleteEverything();
    }

/**
     * @test
     */
    public function getting_mimetype_on_a_non_existing_file(): void
    {
        $this->expectException(UnableToRetrieveMetadata::class);
        $this->adapter()->mimeType('path.txt');
    }

/**
     * @test
     */
    public function getting_last_modified_on_a_non_existing_file(): void
    {
        $this->expectException(UnableToRetrieveMetadata::class);
        $this->adapter()->lastModified('path.txt');
    }

/**
     * @test
     */
    public function getting_file_size_on_a_non_existing_file(): void
    {
        $this->expectException(UnableToRetrieveMetadata::class);
        $this->adapter()->fileSize('path.txt');
    }

/**
     * @test
     */
    public function deleting_a_file(): void
    {
        $this->adapter()->write('path.txt', 'contents', new Config());
        $this->assertTrue($this->adapter()->fileExists('path.txt'));
        $this->adapter()->delete('path.txt');
        $this->assertFalse($this->adapter()->fileExists('path.txt'));
    }

/**
     * @test
     */
    public function deleting_a_directory(): void
    {
        $adapter = $this->adapter();
        $adapter->write('a/path.txt', 'contents', new Config());
        $adapter->write('a/b/path.txt', 'contents', new Config());
        $adapter->write('a/b/c/path.txt', 'contents', new Config());
        $this->assertTrue($adapter->fileExists('a/b/path.txt'));
        $this->assertTrue($adapter->fileExists('a/b/c/path.txt'));
        $adapter->deleteDirectory('a/b');
        $this->assertTrue($adapter->fileExists('a/path.txt'));
        $this->assertFalse($adapter->fileExists('a/b/path.txt'));
        $this->assertFalse($adapter->fileExists('a/b/c/path.txt'));
    }

/**
     * @test
     */
    public function creating_a_directory_does_nothing(): void
    {
        $this->adapter()->createDirectory('something', new Config());
        $this->assertTrue(true);
    }

/**
     * @test
     */
    public function writing_with_a_stream_and_reading_a_file(): void
    {
        $handle = stream_with_contents('contents');
        $this->adapter()->writeStream(self::PATH, $handle, new Config());
        $contents = $this->adapter()->read(self::PATH);
        $this->assertEquals('contents', $contents);
    }

/**
     * @test
     */
    public function reading_a_stream(): void
    {
        $this->adapter()->write(self::PATH, 'contents', new Config());
        $contents = $this->adapter()->readStream(self::PATH);
        $this->assertEquals('contents', stream_get_contents($contents));
        fclose($contents);
    }

/**
     * @test
     */
    public function reading_a_non_existing_file(): void
    {
        $this->expectException(UnableToReadFile::class);
        $this->adapter()->read('path.txt');
    }

/**
     * @test
     */
    public function stream_reading_a_non_existing_file(): void
    {
        $this->expectException(UnableToReadFile::class);
        $this->adapter()->readStream('path.txt');
    }

/**
     * @test
     */
    public function listing_all_files(): void
    {
        $adapter = $this->adapter();
        $adapter->write('path.txt', 'contents', new Config());
        $adapter->write('a/path.txt', 'contents', new Config());
        $adapter->write('a/b/path.txt', 'contents', new Config());
        /** @var StorageAttributes[] $listing */
        $listing = iterator_to_array($adapter->listContents('/', true));
        $this->assertCount(5, $listing);

$expected = [
            'path.txt' => StorageAttributes::TYPE_FILE,
            'a/path.txt' => StorageAttributes::TYPE_FILE,
            'a/b/path.txt' => StorageAttributes::TYPE_FILE,
            'a' => StorageAttributes::TYPE_DIRECTORY,
            'a/b' => StorageAttributes::TYPE_DIRECTORY,
        ];

foreach ($listing as $item) {
            $this->assertArrayHasKey($item->path(), $expected);
            $this->assertEquals($item->type(), $expected[$item->path()]);
        }
    }

/**
     * @test
     */
    public function listing_non_recursive(): void
    {
        $adapter = $this->adapter();
        $adapter->write('path.txt', 'contents', new Config());
        $adapter->write('a/path.txt', 'contents', new Config());
        $adapter->write('a/b/path.txt', 'contents', new Config());
        $listing = iterator_to_array($adapter->listContents('/', false));
        $this->assertCount(2, $listing);
    }

/**
     * @test
     */
    public function moving_a_file_successfully(): void
    {
        $adapter = $this->adapter();
        $adapter->write('path.txt', 'contents', new Config());
        $adapter->move('path.txt', 'new-path.txt', new Config());
        $this->assertFalse($adapter->fileExists('path.txt'));
        $this->assertTrue($adapter->fileExists('new-path.txt'));
    }

/**
     * @test
     */
    public function trying_to_move_a_non_existing_file(): void
    {
        $this->expectException(UnableToMoveFile::class);
        $this->adapter()->move('path.txt', 'new-path.txt', new Config());
    }

/**
     * @test
     */
    public function copying_a_file_successfully(): void
    {
        $adapter = $this->adapter();
        $adapter->write('path.txt', 'contents', new Config());
        $adapter->copy('path.txt', 'new-path.txt', new Config());
        $this->assertTrue($adapter->fileExists('path.txt'));
        $this->assertTrue($adapter->fileExists('new-path.txt'));
    }

/**
     * @test
     */
    public function trying_to_copy_a_non_existing_file(): void
    {
        $this->expectException(UnableToCopyFile::class);
        $this->adapter()->copy('path.txt', 'new-path.txt', new Config());
    }

/**
     * @test
     */
    public function not_listing_directory_placeholders(): void
    {
        $adapter = $this->adapter();
        $adapter->createDirectory('directory', new Config());

$contents = iterator_to_array($adapter->listContents('', true));
        $this->assertCount(1, $contents);
    }

/**
     * @test
     */
    public function checking_for_metadata(): void
    {
        mock_function('time', 1234);
        $adapter = $this->adapter();
        $adapter->write(
            self::PATH,
            (string) file_get_contents(__DIR__ . '/../AdapterTestUtilities/test_files/flysystem.svg'),
            new Config()
        );

$this->assertTrue($adapter->fileExists(self::PATH));
        $this->assertEquals(754, $adapter->fileSize(self::PATH)->fileSize());
        $this->assertEquals(1234, $adapter->lastModified(self::PATH)->lastModified());
        $this->assertStringStartsWith('image/svg+xml', $adapter->mimeType(self::PATH)->mimeType());
    }

/**
     * @test
     */
    public function fetching_unknown_mime_type_of_a_file(): void
    {
        $this->useAdapter(new InMemoryFilesystemAdapter(Visibility::PUBLIC, new ExtensionMimeTypeDetector(new EmptyExtensionToMimeTypeMap())));
        parent::fetching_unknown_mime_type_of_a_file();
    }

/**
     * @test
     */
    public function using_custom_timestamp(): void
    {
        $adapter = $this->adapter();

$now = 100;
        $adapter->write('file.txt', 'contents', new Config(['timestamp' => $now]));
        $this->assertEquals($now, $adapter->lastModified('file.txt')->lastModified());

$earlier = 50;
        $adapter->copy('file.txt', 'new_file.txt', new Config(['timestamp' => $earlier]));
        $this->assertEquals($earlier, $adapter->lastModified('new_file.txt')->lastModified());
    }

protected static function createFilesystemAdapter(): FilesystemAdapter
    {
        return new InMemoryFilesystemAdapter();
    }
}

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