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fix: Moving and copying of directories using the InMemoryFilesystemAdapter #1482

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fix: Moving and copying of directories using the InMemoryFilesystemAdapter #1482

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51 changes: 42 additions & 9 deletions src/InMemory/InMemoryFilesystemAdapter.php
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Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,8 @@

use function array_keys;
use function rtrim;
use function str_starts_with;
use function strlen;
use function strpos;

class InMemoryFilesystemAdapter implements FilesystemAdapter
Expand Down Expand Up @@ -232,26 +234,57 @@ public function move(string $source, string $destination, Config $config): void
$source = $this->preparePath($source);
$destination = $this->preparePath($destination);

if ( ! $this->fileExists($source) || $this->fileExists($destination)) {
throw UnableToMoveFile::fromLocationTo($source, $destination);
if ($this->fileExists($destination) || $this->directoryExists($destination)) {
throw UnableToMoveFile::fromLocationTo($source, $destination, new \RuntimeException("Destination already exist"));
}

$this->files[$destination] = $this->files[$source];
unset($this->files[$source]);
try {
$this->copy($source, $destination, $config);
} catch (UnableToCopyFile $e) {
throw UnableToMoveFile::fromLocationTo($source, $destination, $e);
}

if ($this->fileExists($source)) {
$this->delete($source);

return;
} elseif ($this->directoryExists($source)) {
$this->deleteDirectory($source);

return;
}

throw UnableToMoveFile::fromLocationTo($source, $destination);
}

public function copy(string $source, string $destination, Config $config): void
{
$source = $this->preparePath($source);
$destination = $this->preparePath($destination);

if ( ! $this->fileExists($source)) {
throw UnableToCopyFile::fromLocationTo($source, $destination);
}

$lastModified = $config->get('timestamp', time());
if ($this->fileExists($source)) {
$this->files[$destination] = $this->files[$source]->withLastModified($lastModified);

return;
} elseif ($this->directoryExists($source)) {
$sourcePrefix = rtrim($source, '/') . '/';
$destinationPrefix = rtrim($destination, '/') . '/';

$sourcePrefixLength = strlen($source) + 1;

foreach (array_keys($this->files) as $path) {
if (str_starts_with($path, $sourcePrefix)) {
$newPath = $destinationPrefix . substr($path, $sourcePrefixLength);

$this->files[$newPath] = $this->files[$path]->withLastModified($lastModified);
}
}

return;
}

$this->files[$destination] = $this->files[$source]->withLastModified($lastModified);
throw UnableToCopyFile::fromLocationTo($source, $destination, new \RuntimeException("Source does not exist"));
}

private function preparePath(string $path): string
Expand Down
46 changes: 46 additions & 0 deletions src/InMemory/InMemoryFilesystemAdapterTest.php
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Original file line number Diff line number Diff line change
Expand Up @@ -212,6 +212,52 @@ public function trying_to_move_a_non_existing_file(): void
$this->adapter()->move('path.txt', 'new-path.txt', new Config());
}

/**
* @test
*/
public function moving_a_directory_successfully(): void
{
$adapter = $this->adapter();
$adapter->write('a/first_file.txt', 'contents1', new Config());
$adapter->write('a/second_file.txt', 'contents2', new Config());
$adapter->move('a', 'b', new Config());

$this->assertTrue($adapter->fileExists('b/first_file.txt'));
$this->assertTrue($adapter->fileExists('b/second_file.txt'));
$this->assertFalse($adapter->fileExists('a/first_file.txt'));
$this->assertFalse($adapter->fileExists('a/second_file.txt'));
}

/**
* @test
*/
public function trying_to_move_a_directory_with_file_collision(): void
{
$this->expectException(UnableToMoveFile::class);
$adapter = $this->adapter();
$adapter->write('a/path.txt', 'contents1', new Config());
$adapter->write('b', 'contents2', new Config());
$adapter->move('a', 'b', new Config());

$this->assertEquals('contents2', $adapter->read('b'));
$this->assertTrue($adapter->fileExists('a/path.txt'));
}

/**
* @test
*/
public function trying_to_move_a_directory_with_directory_collision(): void
{
$this->expectException(UnableToMoveFile::class);
$adapter = $this->adapter();
$adapter->write('a/path.txt', 'contents1', new Config());
$adapter->write('b/path-new.txt', 'contents2', new Config());
$adapter->move('a', 'b', new Config());

$this->assertEquals('contents2', $adapter->read('b/path-new.txt'));
$this->assertTrue($adapter->fileExists('a/path.txt'));
}

/**
* @test
*/
Expand Down