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<?php
namespace GuzzleHttp\Tests\Psr7;
use GuzzleHttp\Psr7\LazyOpenStream;
class LazyOpenStreamTest extends \PHPUnit_Framework_TestCase
{
private $fname;
public function setup()
{
$this->fname = tempnam('/tmp', 'tfile');
if (file_exists($this->fname)) {
unlink($this->fname);
}
}
public function tearDown()
{
if (file_exists($this->fname)) {
unlink($this->fname);
}
}
public function testOpensLazily()
{
$l = new LazyOpenStream($this->fname, 'w+');
$l->write('foo');
$this->assertInternalType('array', $l->getMetadata());
$this->assertFileExists($this->fname);
$this->assertEquals('foo', file_get_contents($this->fname));
$this->assertEquals('foo', (string) $l);
}
public function testProxiesToFile()
{
file_put_contents($this->fname, 'foo');
$l = new LazyOpenStream($this->fname, 'r');
$this->assertEquals('foo', $l->read(4));
$this->assertTrue($l->eof());
$this->assertEquals(3, $l->tell());
$this->assertTrue($l->isReadable());
$this->assertTrue($l->isSeekable());
$this->assertFalse($l->isWritable());
$l->seek(1);
$this->assertEquals('oo', $l->getContents());
$this->assertEquals('foo', (string) $l);
$this->assertEquals(3, $l->getSize());
$this->assertInternalType('array', $l->getMetadata());
$l->close();
}
public function testDetachesUnderlyingStream()
{
file_put_contents($this->fname, 'foo');
$l = new LazyOpenStream($this->fname, 'r');
$r = $l->detach();
$this->assertInternalType('resource', $r);
fseek($r, 0);
$this->assertEquals('foo', stream_get_contents($r));
fclose($r);
}
}