FlySystemFileAccessTestTBD.php

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<?php

namespace ILIAS\Filesystem\Provider\FlySystem;

use ILIAS\Filesystem\Exception\FileNotFoundException;
use Mockery\LegacyMockInterface;
use PHPUnit\Framework\Attributes\Test;
use PHPUnit\Framework\Attributes\Small;
use ILIAS\Data\DataSize;
use ILIAS\Filesystem\Exception\FileAlreadyExistsException;
use ILIAS\Filesystem\Exception\IOException;
use League\Flysystem\Filesystem;
use League\Flysystem\FilesystemAdapter;
use League\Flysystem\FilesystemOperator;
use Mockery;
use Mockery\Adapter\Phpunit\MockeryPHPUnitIntegration;
use Mockery\MockInterface;
use PHPUnit\Framework\TestCase;
use League\Flysystem\AdapterInterface;
use League\Flysystem\UnableToReadFile;
use League\Flysystem\UnableToWriteFile;
use League\Flysystem\UnableToRetrieveMetadata;
use League\Flysystem\UnableToDeleteFile;
use League\Flysystem\UnableToMoveFile;
use League\Flysystem\UnableToCopyFile;
use League\Flysystem\UnableToSetVisibility;

class FlySystemFileAccessTest extends TestCase
{
    use MockeryPHPUnitIntegration;

    private FlySystemFileAccess $subject;
    private Filesystem|MockInterface $filesystemMock;

    protected function setUp(): void
    {
        parent::setUp();

        $this->filesystemMock = Mockery::mock(FilesystemOperator::class);
        $adapterMock = Mockery::mock(FilesystemAdapter::class);
        $this->subject = new FlySystemFileAccess($this->filesystemMock);
    }

    public function testReadWhichShouldSucceed(): void
    {
        $file_content = 'Test file content.';
        $path = '/path/to/your/file';

        $this->filesystemMock->shouldReceive('has')
                             ->once()
                             ->with(ltrim($path, '/'))
                             ->andReturn(true);

        $this->filesystemMock->shouldReceive('read')
                             ->with(ltrim($path, '/'))
                             ->once()
                             ->andReturn($file_content);


        $actualContent = $this->subject->read($path);
        $this->assertSame($file_content, $actualContent);
    }

    public function testReadWithGeneralFileAccessErrorWhichShouldFail(): void
    {
        $path = '/path/to/your/file';

        $this->filesystemMock->shouldReceive('has')
                             ->once()
                             ->with(ltrim($path, '/'))
                             ->andReturn(true);

        $this->filesystemMock->shouldReceive('read')
                             ->with(ltrim($path, '/'))
                             ->once()
                             ->andReturn(false);


        $this->expectException(IOException::class);
        $this->expectExceptionMessage('File "' . ltrim($path, '/') . '" not found.');
        $actualContent = $this->subject->read($path);
    }

    public function testReadWithMissingFileWhichShouldFail(): void
    {

        $path = '/path/to/your/file';

        $this->filesystemMock->shouldReceive('has')
                             ->once()
                             ->with(ltrim($path, '/'))
                             ->andReturn(false);

        $this->filesystemMock->shouldReceive('read')
                             ->never();


        $this->expectException(IOException::class);
        $this->expectExceptionMessage('File "' . ltrim($path, '/') . '" not found.');
        $actualContent = $this->subject->read($path);
    }

    public function testGetMimeTypeWhichShouldSucceed(): void
    {
        $mimeType = 'image/jpeg';
        $this->filesystemMock->shouldReceive('mimeType')
                             ->once()
                             ->andReturn($mimeType);

        $actualMimeType = $this->subject->getMimeType('/path/to/your/file');
        $this->assertSame($mimeType, $actualMimeType);
    }

    public function testPutContentExistingFile(): void
    {
        $content = 'Test file content.';
        $this->filesystemMock->shouldReceive('has')
                             ->once()
                             ->andReturn(true);
        $this->filesystemMock->shouldReceive('write')
                             ->with('/path/to/your/file', $content)
                             ->once()
                             ->andReturn(true);

        $this->subject->put('/path/to/your/file', $content);
    }

    public function testPutContentNonExistingFile(): void
    {
        $content = 'Test file content.';
        $this->filesystemMock->shouldReceive('has')
                             ->twice()
                             ->andReturn(false);

        $this->filesystemMock->shouldReceive('write')
                             ->with('/path/to/your/file', $content)
                             ->once()
                             ->andReturn(true);

        $this->subject->put('/path/to/your/file', $content);
    }


    public function testGetMimeTypeWithUnknownMimeTypeWhichShouldFail(): void
    {
        $path = '/path/to/your/file';
        $this->filesystemMock->shouldReceive('mimeType')
                             ->with($path)
                             ->once()
                             ->andReturn('');

        $this->expectException(IOException::class);
        $this->expectExceptionMessage("Could not determine the MIME type of the file \"$path\".");

        $this->subject->getMimeType($path);
    }

    public function testGetMimeTypeWithMissingFileWhichShouldFail(): void
    {
        $path = '/path/to/your/file';
        $this->filesystemMock->shouldReceive('mimeType')
                             ->once()
                             ->with($path)
                             ->andThrow(UnableToRetrieveMetadata::class);

        $this->expectException(IOException::class);
        $this->expectExceptionMessage("File \"$path\" not found.");

        $this->subject->getMimeType($path);
    }

    public function testGetTimestampWhichShouldSucceed(): void
    {
        $datetime = '2012-02-06';
        $timestamp = strtotime($datetime);
        $this->filesystemMock
            ->shouldReceive('lastModified')
            ->once()
            ->andReturn($timestamp);

        $actualTimestamp = $this->subject->getTimestamp('/path/to/your/file');

        /*
         * needs to be equals instead of same because == checks if the object content is the same and === seems to check the reference too
         * eg.
         * $a == $b => true
         * $a === $b => false
         * $a === $a => true
         * $b === $b => true
         *
         * Danger; this is only the observed behaviour and was not documented at least the part with the === operator.
         * Tested with DateTime objects (PHP 7.1.6)
         */
        $this->assertEquals(new \DateTime($datetime), $actualTimestamp);
    }

    public function testGetTimestampWithUnknownErrorWhichShouldFail(): void
    {
        $path = '/path/to/your/file';
        $this->filesystemMock
            ->shouldReceive('lastModified')
            ->with($path)
            ->once()
            ->andThrow(UnableToRetrieveMetadata::class);

        $this->expectException(IOException::class);
        $this->expectExceptionMessage("Could not lookup timestamp of the file \"$path\".");

        $this->subject->getTimestamp($path);
    }

    public function testGetTimestampWithMissingFileWhichShouldFail(): void
    {
        $path = '/path/to/your/file';
        $this->filesystemMock
            ->shouldReceive('lastModified')
            ->once()
            ->with($path)
            ->andThrow(UnableToReadFile::class);

        $this->expectException(IOException::class);
        $this->expectExceptionMessage("File \"$path\" not found.");

        $this->subject->getTimestamp($path);
    }

    public function testGetSizeWhichShouldSucceed(): void
    {
        $rawSize = 1024;
        $size = new DataSize($rawSize, DataSize::KiB); //floating point is never that precise.

        $this->filesystemMock->shouldReceive('fileSize')
                             ->once()
                             ->andReturn($rawSize);

        $actualSize = $this->subject->getSize('/path/to/your/file', DataSize::KiB);
        $this->assertSame($size->getSize(), $actualSize->getSize(), '');
    }

    public function testGetSizeWithUnknownAdapterErrorWhichShouldFail(): void
    {
        $path = '/path/to/your/file';
        $this->filesystemMock
            ->shouldReceive('fileSize')
            ->with($path)
            ->once()
            ->andThrow(UnableToRetrieveMetadata::class);

        $this->expectException(IOException::class);
        $this->expectExceptionMessage("File \"$path\" not found.");

        $this->subject->getSize($path, DataSize::MiB);
    }

    public function testGetSizeWithMissingFileWhichShouldFail(): void
    {
        $path = '/path/to/your/file';
        $this->filesystemMock
            ->shouldReceive('fileSize')
            ->once()
            ->with($path)
            ->andThrow(UnableToRetrieveMetadata::class);

        $this->expectException(IOException::class);
        $this->expectExceptionMessage("File \"$path\" not found.");

        $this->subject->getSize($path, DataSize::GiB);
    }

    public function testSetVisibilityWhichShouldSucceed(): void
    {
        $path = '/path/to/your/file';
        $visibility = "private";

        $this->filesystemMock->shouldReceive('has')
                             ->once()
                             ->with($path)
                             ->andReturn(true);

        $this->filesystemMock->shouldReceive('setVisibility')
                             ->once()
                             ->withArgs([$path, $visibility])
                             ->andReturn(true);

        $operationSuccessful = $this->subject->setVisibility($path, $visibility);
        $this->assertTrue($operationSuccessful);
    }

    public function testSetVisibilityThatFailedDueToAdapterFailureWhichShouldFail(): void
    {
        $path = '/path/to/your/file';
        $visibility = "private";

        $this->filesystemMock->shouldReceive('has')
                             ->once()
                             ->with($path)
                             ->andReturn(true);

        $this->filesystemMock->shouldReceive('setVisibility')
                             ->once()
                             ->withArgs([$path, $visibility])
                             ->andThrow(UnableToSetVisibility::class);

        $operationSuccessful = $this->subject->setVisibility($path, $visibility);
        $this->assertFalse($operationSuccessful);
    }

    #[Test]

    public function testSetVisibilityWithMissingFileWhichShouldFail(): void
    {
        $path = '/path/to/your/file';
        $visibility = "private";

        $this->filesystemMock->shouldReceive('has')
                             ->once()
                             ->with($path)
                             ->andReturn(false);

        $this->expectException(FileNotFoundException::class);
        $this->expectExceptionMessage("Path \"$path\" not found.");

        $this->subject->setVisibility($path, $visibility);
    }

    #[Test]

    public function testSetVisibilityWithInvalidAccessModifierWhichShouldFail(): void
    {
        $path = '/path/to/your/file';
        $visibility = "not valid";

        $this->filesystemMock->shouldReceive('has')
                             ->once()
                             ->with($path)
                             ->andReturn(true);

        $this->expectException(\InvalidArgumentException::class);
        $this->expectExceptionMessage("The access must be 'public' or 'private' but '$visibility' was given.");

        $this->subject->setVisibility($path, $visibility);
    }

    #[Test]

    public function testGetVisibilityWhichShouldSucceed(): void
    {
        $path = '/path/to/your/file';
        $visibility = "private";

        $this->filesystemMock->shouldReceive('has')
                             ->once()
                             ->with($path)
                             ->andReturn(true);

        $this->filesystemMock->shouldReceive('getVisibility')
                             ->once()
                             ->with($path)
                             ->andReturn($visibility);

        $actualVisibility = $this->subject->getVisibility($path);
        $this->assertSame($visibility, $actualVisibility);
    }

    #[Test]

    public function testGetVisibilityWithMissingFileWhichShouldFail(): void
    {
        $path = '/path/to/your/file';

        $this->filesystemMock->shouldReceive('has')
                             ->once()
                             ->with($path)
                             ->andReturn(false);

        $this->expectException(FileNotFoundException::class);
        $this->expectExceptionMessage("Path \"$path\" not found.");

        $this->subject->getVisibility($path);
    }

    #[Test]

    public function testGetVisibilityWithAdapterErrorWhichShouldFail(): void
    {
        $path = '/path/to/your/file';

        $this->filesystemMock->shouldReceive('has')
                             ->once()
                             ->with($path)
                             ->andReturn(true);

        $this->filesystemMock->shouldReceive('getVisibility')
                             ->once()
                             ->with($path)
                             ->andReturn(false);

        $this->expectException(IOException::class);
        $this->expectExceptionMessage("Could not determine visibility for path '$path'.");

        $this->subject->getVisibility($path);
    }

    #[Test]

    public function testWriteWhichShouldSucceed(): void
    {
        $path = '/path/to/your/file';
        $content = "some awesome content";

        $this->filesystemMock
            ->shouldReceive('has')
            ->once()
            ->with($path)
            ->andReturn(false)
            ->getMock()
            ->shouldReceive('write')
            ->once()
            ->withArgs([$path, $content]);

        $this->subject->write($path, $content);
    }

    #[Test]

    public function testWriteWithAlreadyExistingFileWhichShouldFail(): void
    {
        $path = '/path/to/your/file';
        $content = "some awesome content";

        $this->filesystemMock
            ->shouldReceive('has')
            ->once()
            ->with($path)
            ->andReturn(true)
            ->shouldReceive('write')
            ->never()
            ->withArgs([$path, $content])
            ->andThrow(UnableToWriteFile::class);

        $this->expectException(FileAlreadyExistsException::class);
        $this->expectExceptionMessage("File \"$path\" already exists.");

        $this->subject->write($path, $content);
    }

    #[Test]

    public function testWriteWithAdapterErrorWhichShouldFail(): void
    {
        $path = '/path/to/your/file';
        $content = "some awesome content";

        $this->filesystemMock
            ->shouldReceive('has')
            ->once()
            ->with($path)
            ->andReturn(false)
            ->getMock()
            ->shouldReceive('write')
            ->once()
            ->withArgs([$path, $content])
            ->andThrow(UnableToWriteFile::class);

        $this->expectException(IOException::class);
        $this->expectExceptionMessage(
            "Could not write to file \"$path\" because a general IO error occurred. Please check that your destination is writable."
        );

        $this->subject->write($path, $content);
    }

    #[Test]

    public function testUpdateWhichShouldSucceed(): void
    {
        $path = '/path/to/your/file';
        $content = "some awesome content";

        $this->filesystemMock->shouldReceive('write')
                             ->once()
                             ->withArgs([$path, $content])
                             ->andReturn(true);

        $this->subject->update($path, $content);
    }

    #[Test]

    public function testUpdateWithAdapterErrorWhichShouldFail(): void
    {
        $path = '/path/to/your/file';
        $content = "some awesome content";

        $this->filesystemMock->shouldReceive('write')
                             ->once()
                             ->withArgs([$path, $content])
                             ->andThrow(UnableToWriteFile::class);

        $this->expectException(IOException::class);
        $this->expectExceptionMessage(
            "Could not write to file \"$path\" because a general IO error occurred. Please check that your destination is writable."
        );

        $this->subject->update($path, $content);
    }

    #[Test]

    public function testUpdateWithMissingFileWhichShouldFail(): void
    {
        $path = '/path/to/your/file';
        $content = "some awesome content";

        $this->filesystemMock
            ->shouldReceive('write')
            ->once()
            ->withArgs([$path, $content])
            ->andThrow(UnableToWriteFile::class);

        $this->expectException(IOException::class);
        $this->expectExceptionMessage(
            "Could not write to file \"$path\" because a general IO error occurred. Please check that your destination is writable."
        );

        $this->subject->update($path, $content);
    }

    #[Test]

    public function testDeleteWhichShouldSucceed(): void
    {
        $path = '/path/to/your/file';

        $this->filesystemMock->shouldReceive('delete')
                             ->once()
                             ->with($path)
                             ->andReturn(true);

        $this->subject->delete($path);
    }

    #[Test]

    public function testDeleteWithAdapterErrorWhichShouldFail(): void
    {
        $path = '/path/to/your/file';

        $this->filesystemMock->shouldReceive('delete')
                             ->once()
                             ->with($path)
                             ->andThrow(UnableToDeleteFile::class);

        $this->expectException(IOException::class);
        $this->expectExceptionMessage(
            "Could not delete file \"$path\" because a general IO error occurred. Please check that your target is writable."
        );

        $this->subject->delete($path);
    }

    #[Test]

    public function testDeleteWithMissingFileWhichShouldFail(): void
    {
        $path = '/path/to/your/file';

        $this->filesystemMock->shouldReceive('delete')
                             ->once()
                             ->with($path)
                             ->andThrow(UnableToRetrieveMetadata::class);

        $this->expectException(FileNotFoundException::class);
        $this->expectExceptionMessage("File \"$path\" was not found delete operation failed.");

        $this->subject->delete($path);
    }

    #[Test]

    public function testReadAndDeleteWhichShouldSucceed(): void
    {
        $path = '/path/to/your/file';
        $content = "awesome content";

        //partially mock the subject to intercept the method calls of the own object.
        $this->subject = Mockery::mock(FlySystemFileAccess::class, [$this->filesystemMock])->makePartial();

        $this->subject
            ->shouldReceive('read')
            ->once()
            ->with($path)
            ->andReturn($content)
            ->getMock()
            ->shouldReceive('delete')
            ->once()
            ->with($path);

        $this->subject->readAndDelete($path);
    }

    #[Test]

    public function testRenameWhichShouldSucceed(): void
    {
        $source = '/source/path';
        $destination = '/dest/path';

        $this->filesystemMock
            ->shouldReceive('has')
            ->once()
            ->with($destination)
            ->andReturn(false)
            ->getMock()
            ->shouldReceive('move')
            ->once()
            ->withArgs([$source, $destination])
            ->andReturn(true);

        $this->subject->rename($source, $destination);
    }

    #[Test]

    public function testRenameWithMissingSourceWhichShouldFail(): void
    {
        $source = '/source/path';
        $destination = '/dest/path';

        $this->filesystemMock
            ->shouldReceive('has')
            ->once()
            ->with($destination)
            ->andReturn(false)
            ->getMock()
            ->shouldReceive('move')
            ->once()
            ->withArgs([$source, $destination])
            ->andThrow(UnableToRetrieveMetadata::class);

        $this->expectException(FileNotFoundException::class);
        $this->expectExceptionMessage("File \"$source\" not found.");

        $this->subject->rename($source, $destination);
    }

    #[Test]

    public function testRenameWithExistingDestinationWhichShouldFail(): void
    {
        $source = '/source/path';
        $destination = '/dest/path';

        $this->filesystemMock
            ->shouldReceive('has')
            ->once()
            ->with($destination)
            ->andReturn(true)
            ->getMock()
            ->shouldReceive('move')
            ->never()
            ->withArgs([$source, $destination])
            ->andThrow(UnableToMoveFile::class);

        $this->expectException(IOException::class);
        $this->expectExceptionMessage("File \"$destination\" already exists.");

        $this->subject->rename($source, $destination);
    }

    #[Test]

    public function testRenameWithGeneralErrorWhichShouldFail(): void
    {
        $source = '/source/path';
        $destination = '/dest/path';

        $this->filesystemMock
            ->shouldReceive('has')
            ->once()
            ->with($destination)
            ->andReturn(false)
            ->getMock()
            ->shouldReceive('move')
            ->once()
            ->withArgs([$source, $destination])
            ->andThrow(UnableToMoveFile::class);

        $this->expectException(IOException::class);
        $this->expectExceptionMessage("Could not move file from \"$source\" to \"$destination\".");

        $this->subject->rename($source, $destination);
    }

    #[Test]

    public function testCopyWhichShouldSucceed(): void
    {
        $sourcePath = '/path/to/your/source/file';
        $destinationPath = '/path/to/your/destination/file';

        $this->filesystemMock
            ->shouldReceive('has')
            ->once()
            ->with($destinationPath)
            ->andReturn(false)
            ->getMock()
            ->shouldReceive('copy')
            ->once()
            ->withArgs([$sourcePath, $destinationPath])
            ->andReturn(true);

        $this->subject->copy($sourcePath, $destinationPath);
    }

    #[Test]

    public function testCopyWithAdapterErrorWhichShouldFail(): void
    {
        $sourcePath = '/path/to/your/source/file';
        $destinationPath = '/path/to/your/destination/file';

        $this->filesystemMock
            ->shouldReceive('has')
            ->once()
            ->with($destinationPath)
            ->andReturn(false)
            ->getMock()
            ->shouldReceive('copy')
            ->once()
            ->withArgs([$sourcePath, $destinationPath])
            ->andThrow(UnableToCopyFile::class);

        $this->expectException(IOException::class);
        $this->expectExceptionMessage(
            "Could not copy file \"$sourcePath\" to destination \"$destinationPath\" because a general IO error occurred. Please check that your destination is writable."
        );

        $this->subject->copy($sourcePath, $destinationPath);
    }

    #[Test]

    public function testCopyWithMissingFileWhichShouldFail(): void
    {
        $sourcePath = '/path/to/your/source/file';
        $destinationPath = '/path/to/your/destination/file';

        $this->filesystemMock
            ->shouldReceive('has')
            ->once()
            ->with($destinationPath)
            ->andReturn(false)
            ->getMock()
            ->shouldReceive('copy')
            ->once()
            ->withArgs([$sourcePath, $destinationPath])
            ->andThrow(UnableToRetrieveMetadata::class);

        $this->expectException(FileNotFoundException::class);
        $this->expectExceptionMessage("File source \"$sourcePath\" was not found copy failed.");

        $this->subject->copy($sourcePath, $destinationPath);
    }

    #[Test]

    public function testCopyWithExistingDestinationFileWhichShouldFail(): void
    {
        $sourcePath = '/path/to/your/source/file';
        $destinationPath = '/path/to/your/destination/file';

        $this->filesystemMock
            ->shouldReceive('has')
            ->once()
            ->with($destinationPath)
            ->andReturn(true)
            ->getMock()
            ->shouldReceive('copy')
            ->never()
            ->withArgs([$sourcePath, $destinationPath])
            ->andThrow(UnableToCopyFile::class);

        $this->expectException(FileAlreadyExistsException::class);
        $this->expectExceptionMessage("File \"$destinationPath\" already exists.");

        $this->subject->copy($sourcePath, $destinationPath);
    }
}