public function testCompressionFacadeCreate()
{
$this->assertInstanceOf(ZlibCompression::class, CompressionFacade::create(AbstractCompression::ZLIB_DEFLATE));
try {
CompressionFacade::create('unknown encoding');
$this->assertTrue(false);
} catch (CompressionNotFoundException $Ex) {
$this->assertTrue(true);
}
}
/**
* Method for unpack data
* @param string $package packaged data
* @return string unpackaging data
* @throws CompressionNotFoundException when compression class not found for encoding
* @throws IncorrectPackageFormatException when package has invalid format
* @throws InvalidArgumentException when data is not string type
*/
public static function unpack($package)
{
if (is_string($package)) {
$packageParts = explode("\n\n", $package, 2);
if (count($packageParts) != 2) {
throw new IncorrectPackageFormatException('package header not found');
}
list($header, $compressed) = $packageParts;
$headerParts = explode(' ', $header);
if (count($headerParts) != 2) {
throw new IncorrectPackageFormatException('package header invalid');
}
list($headerName, $encoding) = $headerParts;
$Compression = CompressionFacade::create($encoding);
return $Compression->decompress($compressed);
} else {
throw new InvalidArgumentException('package must be a string');
}
}
