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<?php
declare(strict_types=1);
namespace GuzzleHttp\Tests\Psr7;
use GuzzleHttp\Psr7;
use GuzzleHttp\Psr7\AppendStream;
use PHPUnit\Framework\Attributes\RequiresPhp;
use PHPUnit\Framework\TestCase;
use Psr\Http\Message\StreamInterface;
class AppendStreamTest extends TestCase
{
public function testValidatesStreamsAreReadable(): void
{
$a = new AppendStream();
$s = $this->createMock(StreamInterface::class);
$s->expects(self::once())
->method('isReadable')
->willReturn(false);
$this->expectException(\InvalidArgumentException::class);
$this->expectExceptionMessage('Each stream must be readable');
$a->addStream($s);
}
public function testValidatesSeekType(): void
{
$a = new AppendStream();
$this->expectException(\RuntimeException::class);
$this->expectExceptionMessage('The AppendStream can only seek with SEEK_SET');
$a->seek(100, SEEK_CUR);
}
public function testTriesToRewindOnSeek(): void
{
$a = new AppendStream();
$s = $this->createMock(StreamInterface::class);
$s->expects(self::once())
->method('isReadable')
->willReturn(true);
$s->expects(self::once())
->method('isSeekable')
->willReturn(true);
$s->expects(self::once())
->method('rewind')
->willThrowException(new \RuntimeException());
$a->addStream($s);
$this->expectException(\RuntimeException::class);
$this->expectExceptionMessage('Unable to seek stream 0 of the AppendStream');
$a->seek(10);
}
public function testSeeksToPositionByReading(): void
{
$a = new AppendStream([
Psr7\Utils::streamFor('foo'),
Psr7\Utils::streamFor('bar'),
Psr7\Utils::streamFor('baz'),
]);
$a->seek(3);
self::assertSame(3, $a->tell());
self::assertSame('bar', $a->read(3));
$a->seek(6);
self::assertSame(6, $a->tell());
self::assertSame('baz', $a->read(3));
}
public function testDetachWithoutStreams(): void
{
$s = new AppendStream();
$s->detach();
self::assertSame(0, $s->getSize());
self::assertTrue($s->eof());
self::assertTrue($s->isReadable());
self::assertSame('', (string) $s);
self::assertTrue($s->isSeekable());
self::assertFalse($s->isWritable());
}
public function testDetachesEachStream(): void
{
$handle = fopen('php://temp', 'r');
$s1 = Psr7\Utils::streamFor($handle);
$s2 = Psr7\Utils::streamFor('bar');
$a = new AppendStream([$s1, $s2]);
$a->detach();
self::assertSame(0, $a->getSize());
self::assertTrue($a->eof());
self::assertTrue($a->isReadable());
self::assertSame('', (string) $a);
self::assertTrue($a->isSeekable());
self::assertFalse($a->isWritable());
self::assertNull($s1->detach());
self::assertIsResource($handle, 'resource is not closed when detaching');
fclose($handle);
}
public function testClosesEachStream(): void
{
$handle = fopen('php://temp', 'r');
$s1 = Psr7\Utils::streamFor($handle);
$s2 = Psr7\Utils::streamFor('bar');
$a = new AppendStream([$s1, $s2]);
$a->close();
self::assertSame(0, $a->getSize());
self::assertTrue($a->eof());
self::assertTrue($a->isReadable());
self::assertSame('', (string) $a);
self::assertTrue($a->isSeekable());
self::assertFalse($a->isWritable());
self::assertFalse(is_resource($handle));
}
public function testIsNotWritable(): void
{
$a = new AppendStream([Psr7\Utils::streamFor('foo')]);
self::assertFalse($a->isWritable());
self::assertTrue($a->isSeekable());
self::assertTrue($a->isReadable());
$this->expectException(\RuntimeException::class);
$this->expectExceptionMessage('Cannot write to an AppendStream');
$a->write('foo');
}
public function testDoesNotNeedStreams(): void
{
$a = new AppendStream();
self::assertSame('', (string) $a);
}
public function testCanReadFromMultipleStreams(): void
{
$a = new AppendStream([
Psr7\Utils::streamFor('foo'),
Psr7\Utils::streamFor('bar'),
Psr7\Utils::streamFor('baz'),
]);
self::assertFalse($a->eof());
self::assertSame(0, $a->tell());
self::assertSame('foo', $a->read(3));
self::assertSame('bar', $a->read(3));
self::assertSame('baz', $a->read(3));
self::assertSame('', $a->read(1));
self::assertTrue($a->eof());
self::assertSame(9, $a->tell());
self::assertSame('foobarbaz', (string) $a);
}
public function testCanDetermineSizeFromMultipleStreams(): void
{
$a = new AppendStream([
Psr7\Utils::streamFor('foo'),
Psr7\Utils::streamFor('bar'),
]);
self::assertSame(6, $a->getSize());
$s = $this->createMock(StreamInterface::class);
$s->expects(self::once())
->method('isSeekable')
->willReturn(false);
$s->expects(self::once())
->method('isReadable')
->willReturn(true);
$a->addStream($s);
self::assertNull($a->getSize());
}
#[RequiresPhp('< 7.4')]
public function testCatchesExceptionsWhenCastingToString(): void
{
$s = $this->createMock(StreamInterface::class);
$s->expects(self::once())
->method('isSeekable')
->willReturn(true);
$s->expects(self::once())
->method('read')
->willThrowException(new \RuntimeException('foo'));
$s->expects(self::once())
->method('isReadable')
->willReturn(true);
$s->expects(self::any())
->method('eof')
->willReturn(false);
$a = new AppendStream([$s]);
self::assertFalse($a->eof());
$errors = [];
set_error_handler(static function (int $errorNumber, string $errorMessage) use (&$errors): bool {
$errors[] = ['number' => $errorNumber, 'message' => $errorMessage];
return true;
});
(string) $a;
restore_error_handler();
self::assertCount(1, $errors);
self::assertSame(E_USER_ERROR, $errors[0]['number']);
self::assertStringStartsWith('GuzzleHttp\Psr7\AppendStream::__toString exception:', $errors[0]['message']);
}
public function testReturnsEmptyMetadata(): void
{
$s = new AppendStream();
self::assertSame([], $s->getMetadata());
self::assertNull($s->getMetadata('foo'));
}
}
|
