React\Tests\HttpClient\RequestTest::pipeShouldPipeDataIntoTheRequestBody PHP Method

    public function pipeShouldPipeDataIntoTheRequestBody()
    {
        $requestData = new RequestData('POST', 'http://www.example.com');
        $request = new Request($this->connector, $requestData);
        $this->successfulConnectionMock();
        $this->stream->expects($this->at(4))->method('write')->with($this->matchesRegularExpression("#^POST / HTTP/1\\.0\r\nHost: www.example.com\r\nUser-Agent:.*\r\n\r\n\$#"));
        $this->stream->expects($this->at(5))->method('write')->with($this->identicalTo("some"));
        $this->stream->expects($this->at(6))->method('write')->with($this->identicalTo("post"));
        $this->stream->expects($this->at(7))->method('write')->with($this->identicalTo("data"));
        $factory = $this->createCallableMock();
        $factory->expects($this->once())->method('__invoke')->will($this->returnValue($this->response));
        $loop = $this->getMock('React\\EventLoop\\LoopInterface');
        $request->setResponseFactory($factory);
        $stream = fopen('php://memory', 'r+');
        $stream = new Stream($stream, $loop);
        $stream->pipe($request);
        $stream->emit('data', array('some'));
        $stream->emit('data', array('post'));
        $stream->emit('data', array('data'));
        $request->handleData("HTTP/1.0 200 OK\r\n");
        $request->handleData("Content-Type: text/plain\r\n");
        $request->handleData("\r\nbody");
    }