TestTestServer Class — requests Architecture

Source Code

tests/test_testserver.py lines 11–165

class TestTestServer:
    def test_basic(self):
        """messages are sent and received properly"""
        question = b"success?"
        answer = b"yeah, success"

        def handler(sock):
            text = sock.recv(1000)
            assert text == question
            sock.sendall(answer)

        with Server(handler) as (host, port):
            sock = socket.socket()
            sock.connect((host, port))
            sock.sendall(question)
            text = sock.recv(1000)
            assert text == answer
            sock.close()

    def test_server_closes(self):
        """the server closes when leaving the context manager"""
        with Server.basic_response_server() as (host, port):
            sock = socket.socket()
            sock.connect((host, port))

            sock.close()

        with pytest.raises(socket.error):
            new_sock = socket.socket()
            new_sock.connect((host, port))

    def test_text_response(self):
        """the text_response_server sends the given text"""
        server = Server.text_response_server(
            "HTTP/1.1 200 OK\r\nContent-Length: 6\r\n\r\nroflol"
        )

        with server as (host, port):
            r = requests.get(f"http://{host}:{port}")

            assert r.status_code == 200
            assert r.text == "roflol"
            assert r.headers["Content-Length"] == "6"

    def test_basic_response(self):
        """the basic response server returns an empty http response"""
        with Server.basic_response_server() as (host, port):
            r = requests.get(f"http://{host}:{port}")
            assert r.status_code == 200
            assert r.text == ""
            assert r.headers["Content-Length"] == "0"

    def test_basic_waiting_server(self):
        """the server waits for the block_server event to be set before closing"""
        block_server = threading.Event()

        with Server.basic_response_server(wait_to_close_event=block_server) as (
            host,
            port,
        ):
            sock = socket.socket()
            sock.connect((host, port))
            sock.sendall(b"send something")
            time.sleep(2.5)
            sock.sendall(b"still alive")
            block_server.set()  # release server block

    def test_multiple_requests(self):
        """multiple requests can be served"""
        requests_to_handle = 5

        server = Server.basic_response_server(requests_to_handle=requests_to_handle)

        with server as (host, port):
            server_url = f"http://{host}:{port}"
            for _ in range(requests_to_handle):
                r = requests.get(server_url)
                assert r.status_code == 200

            # the (n+1)th request fails
            with pytest.raises(requests.exceptions.ConnectionError):