public function testCanUseSeekEndWithUnknownSize()
{
$baseStream = Psr7\stream_for('testing');
$decorated = Psr7\FnStream::decorate($baseStream, array('getSize' => function () {
return null;
}));
$cached = new CachingStream($decorated);
$cached->seek(1, SEEK_END);
$this->assertEquals('ng', $cached->read(2));
}
public function testDecoratesWithCustomizations()
{
$called = false;
$a = Psr7\stream_for('foo');
$b = FnStream::decorate($a, array('read' => function ($len) use(&$called, $a) {
$called = true;
return $a->read($len);
}));
$this->assertEquals('foo', $b->read(3));
$this->assertTrue($called);
}
/**
* @expectedException \RuntimeException
*/
public function testThrowsWhenBodyCannotBeRewound()
{
$body = Psr7\stream_for('abc');
$body->read(1);
$body = FnStream::decorate($body, array('rewind' => function () {
throw new \RuntimeException('a');
}));
$res = new Psr7\Response(200, array(), $body);
Psr7\rewind_body($res);
}
public function testSerializesFilesWithCustomHeadersAndMultipleValues()
{
$f1 = Psr7\FnStream::decorate(Psr7\stream_for('foo'), array('getMetadata' => function () {
return '/foo/bar.txt';
}));
$f2 = Psr7\FnStream::decorate(Psr7\stream_for('baz'), array('getMetadata' => function () {
return '/foo/baz.jpg';
}));
$b = new MultipartStream(array(array('name' => 'foo', 'contents' => $f1, 'headers' => array('x-foo' => 'bar', 'content-disposition' => 'custom')), array('name' => 'foo', 'contents' => $f2, 'headers' => array('cOntenT-Type' => 'custom'))), 'boundary');
$expected = <<<EOT
--boundary
x-foo: bar
content-disposition: custom
Content-Length: 3
Content-Type: text/plain
foo
--boundary
cOntenT-Type: custom
Content-Disposition: form-data; name="foo"; filename="baz.jpg"
Content-Length: 3
baz
--boundary--
EOT;
$this->assertEquals($expected, str_replace("\r", '', $b));
}