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<?php
declare(strict_types=1);
namespace GuzzleHttp\Tests\Psr7;
use GuzzleHttp\Psr7\LazyOpenStream;
use PHPUnit\Framework\TestCase;
class LazyOpenStreamTest extends TestCase
{
private $fname;
protected function setUp(): void
{
$this->fname = tempnam(sys_get_temp_dir(), 'tfile');
if (file_exists($this->fname)) {
unlink($this->fname);
}
}
protected function tearDown(): void
{
if (file_exists($this->fname)) {
unlink($this->fname);
}
}
public function testOpensLazily(): void
{
$l = new LazyOpenStream($this->fname, 'w+');
$l->write('foo');
self::assertIsArray($l->getMetadata());
self::assertFileExists($this->fname);
self::assertSame('foo', file_get_contents($this->fname));
self::assertSame('foo', (string) $l);
}
public function testProxiesToFile(): void
{
file_put_contents($this->fname, 'foo');
$l = new LazyOpenStream($this->fname, 'r');
self::assertSame('foo', $l->read(4));
self::assertTrue($l->eof());
self::assertSame(3, $l->tell());
self::assertTrue($l->isReadable());
self::assertTrue($l->isSeekable());
self::assertFalse($l->isWritable());
$l->seek(1);
self::assertSame('oo', $l->getContents());
self::assertSame('foo', (string) $l);
self::assertSame(3, $l->getSize());
self::assertIsArray($l->getMetadata());
$l->close();
}
public function testDetachesUnderlyingStream(): void
{
file_put_contents($this->fname, 'foo');
$l = new LazyOpenStream($this->fname, 'r');
$r = $l->detach();
self::assertIsResource($r);
fseek($r, 0);
self::assertSame('foo', stream_get_contents($r));
fclose($r);
}
}
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