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<?php
namespace GuzzleHttp\Tests\Psr7;
use GuzzleHttp\Psr7\NoSeekStream;
use GuzzleHttp\Psr7\Stream;
class StreamTest extends \PHPUnit_Framework_TestCase
{
public static $isFReadError = false;
public function testConstructorThrowsExceptionOnInvalidArgument()
{
new Stream(true);
}
public function testConstructorInitializesProperties()
{
$handle = fopen('php://temp', 'r+');
fwrite($handle, 'data');
$stream = new Stream($handle);
$this->assertTrue($stream->isReadable());
$this->assertTrue($stream->isWritable());
$this->assertTrue($stream->isSeekable());
$this->assertEquals('php://temp', $stream->getMetadata('uri'));
$this->assertInternalType('array', $stream->getMetadata());
$this->assertEquals(4, $stream->getSize());
$this->assertFalse($stream->eof());
$stream->close();
}
public function testStreamClosesHandleOnDestruct()
{
$handle = fopen('php://temp', 'r');
$stream = new Stream($handle);
unset($stream);
$this->assertFalse(is_resource($handle));
}
public function testConvertsToString()
{
$handle = fopen('php://temp', 'w+');
fwrite($handle, 'data');
$stream = new Stream($handle);
$this->assertEquals('data', (string) $stream);
$this->assertEquals('data', (string) $stream);
$stream->close();
}
public function testGetsContents()
{
$handle = fopen('php://temp', 'w+');
fwrite($handle, 'data');
$stream = new Stream($handle);
$this->assertEquals('', $stream->getContents());
$stream->seek(0);
$this->assertEquals('data', $stream->getContents());
$this->assertEquals('', $stream->getContents());
}
public function testChecksEof()
{
$handle = fopen('php://temp', 'w+');
fwrite($handle, 'data');
$stream = new Stream($handle);
$this->assertFalse($stream->eof());
$stream->read(4);
$this->assertTrue($stream->eof());
$stream->close();
}
public function testGetSize()
{
$size = filesize(__FILE__);
$handle = fopen(__FILE__, 'r');
$stream = new Stream($handle);
$this->assertEquals($size, $stream->getSize());
$this->assertEquals($size, $stream->getSize());
$stream->close();
}
public function testEnsuresSizeIsConsistent()
{
$h = fopen('php://temp', 'w+');
$this->assertEquals(3, fwrite($h, 'foo'));
$stream = new Stream($h);
$this->assertEquals(3, $stream->getSize());
$this->assertEquals(4, $stream->write('test'));
$this->assertEquals(7, $stream->getSize());
$this->assertEquals(7, $stream->getSize());
$stream->close();
}
public function testProvidesStreamPosition()
{
$handle = fopen('php://temp', 'w+');
$stream = new Stream($handle);
$this->assertEquals(0, $stream->tell());
$stream->write('foo');
$this->assertEquals(3, $stream->tell());
$stream->seek(1);
$this->assertEquals(1, $stream->tell());
$this->assertSame(ftell($handle), $stream->tell());
$stream->close();
}
public function testCanDetachStream()
{
$r = fopen('php://temp', 'w+');
$stream = new Stream($r);
$stream->write('foo');
$this->assertTrue($stream->isReadable());
$this->assertSame($r, $stream->detach());
$stream->detach();
$this->assertFalse($stream->isReadable());
$this->assertFalse($stream->isWritable());
$this->assertFalse($stream->isSeekable());
$throws = function (callable $fn) use ($stream) {
try {
$fn($stream);
$this->fail();
} catch (\Exception $e) {}
};
$throws(function ($stream) { $stream->read(10); });
$throws(function ($stream) { $stream->write('bar'); });
$throws(function ($stream) { $stream->seek(10); });
$throws(function ($stream) { $stream->tell(); });
$throws(function ($stream) { $stream->eof(); });
$throws(function ($stream) { $stream->getSize(); });
$throws(function ($stream) { $stream->getContents(); });
$this->assertSame('', (string) $stream);
$stream->close();
}
public function testCloseClearProperties()
{
$handle = fopen('php://temp', 'r+');
$stream = new Stream($handle);
$stream->close();
$this->assertFalse($stream->isSeekable());
$this->assertFalse($stream->isReadable());
$this->assertFalse($stream->isWritable());
$this->assertNull($stream->getSize());
$this->assertEmpty($stream->getMetadata());
}
public function testDoesNotThrowInToString()
{
$s = \GuzzleHttp\Psr7\stream_for('foo');
$s = new NoSeekStream($s);
$this->assertEquals('foo', (string) $s);
}
public function testStreamReadingWithZeroLength()
{
$r = fopen('php://temp', 'r');
$stream = new Stream($r);
$this->assertSame('', $stream->read(0));
$stream->close();
}
public function testStreamReadingWithNegativeLength()
{
$r = fopen('php://temp', 'r');
$stream = new Stream($r);
try {
$stream->read(-1);
} catch (\Exception $e) {
$stream->close();
throw $e;
}
$stream->close();
}
public function testStreamReadingFreadError()
{
self::$isFReadError = true;
$r = fopen('php://temp', 'r');
$stream = new Stream($r);
try {
$stream->read(1);
} catch (\Exception $e) {
self::$isFReadError = false;
$stream->close();
throw $e;
}
self::$isFReadError = false;
$stream->close();
}
}
namespace GuzzleHttp\Psr7;
use GuzzleHttp\Tests\Psr7\StreamTest;
function fread($handle, $length)
{
return StreamTest::$isFReadError ? false : \fread($handle, $length);
}