/** @test */
public function dataWrittenOnEndShouldBeBuffered()
{
$callback = $this->expectCallableOnceWith('foobar');
$sink = new BufferedSink();
$sink->promise()->then($callback);
$sink->write('foo');
$sink->end('bar');
}
/** @test */
public function writeShouldTriggerProgressOnPromise()
{
$callback = $this->createCallableMock();
$callback->expects($this->at(0))->method('__invoke')->with('foo');
$callback->expects($this->at(1))->method('__invoke')->with('bar');
$callback->expects($this->at(2))->method('__invoke')->with('baz');
$sink = new BufferedSink();
$sink->promise()->then(null, null, $callback);
$sink->write('foo');
$sink->write('bar');
$sink->end('baz');
}
