public function testConstructorDoesNotReadStreamBody()
{
$streamIsRead = false;
$body = FnStream::decorate(new Stream(fopen('php://temp', 'r+')), ['__toString' => function () use(&$streamIsRead) {
$streamIsRead = true;
return '';
}]);
$response = new Response(200, [], $body);
$this->assertFalse($streamIsRead);
$this->assertSame($body, $response->getBody());
}
public function testDecoratesWithCustomizations()
{
$called = false;
$body = 'foo';
$stream = fopen('php://temp', 'r+');
fwrite($stream, $body);
fseek($stream, 0);
$stream1 = new Stream($stream);
$stream2 = FnStream::decorate($stream1, ['read' => function ($len) use(&$called, $stream1) {
$called = true;
return $stream1->read($len);
}]);
$this->assertEquals('foo', $stream2->read(3));
$this->assertTrue($called);
}
public function testStopsCopyToSteamWhenReadFailsWithMaxLen()
{
$body = 'foobaz';
$stream = fopen('php://temp', 'r+');
fwrite($stream, $body);
fseek($stream, 0);
$s1 = new Stream($stream);
$s1 = FnStream::decorate($s1, ['read' => function () {
return '';
}]);
$s2 = new Stream(fopen('php://temp', 'r+'));
Util::copyToStream($s1, $s2, 10);
$this->assertEquals('', (string) $s2);
}
