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<?php
namespace GuzzleHttp\Tests\Psr7;
use GuzzleHttp\Psr7;
use GuzzleHttp\Psr7\InflateStream;
use GuzzleHttp\Psr7\NoSeekStream;
class InflateStreamTest extends BaseTest
{
public function testInflatesStreams()
{
$content = gzencode('test');
$a = Psr7\Utils::streamFor($content);
$b = new InflateStream($a);
$this->assertSame('test', (string) $b);
}
public function testInflatesStreamsWithFilename()
{
$content = $this->getGzipStringWithFilename('test');
$a = Psr7\Utils::streamFor($content);
$b = new InflateStream($a);
$this->assertSame('test', (string) $b);
}
public function testInflatesStreamsPreserveSeekable()
{
$content = $this->getGzipStringWithFilename('test');
$seekable = Psr7\Utils::streamFor($content);
$nonSeekable = new NoSeekStream(Psr7\Utils::streamFor($content));
$this->assertTrue((new InflateStream($seekable))->isSeekable());
$this->assertFalse((new InflateStream($nonSeekable))->isSeekable());
}
private function getGzipStringWithFilename($original_string)
{
$gzipped = bin2hex(gzencode($original_string));
$header = substr($gzipped, 0, 20);
// set FNAME flag
$header[6]=0;
$header[7]=8;
// make a dummy filename
$filename = '64756d6d7900';
$rest = substr($gzipped, 20);
return hex2bin($header . $filename . $rest);
}
}
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