test_pack_scan.py

# Generated by CodiumAI
from pack_scan import UDPServer, server as sampserver
import socket
import socketserver
from unittest.mock import patch

# Dependencies:
# pip install pytest-mock pytest
import pytest


class TestUDPServer:
    # UDPServer can be instantiated with valid arguments
    def test_instantiation_with_valid_arguments(self):
        bind_address = ("127.0.0.1", 8000)
        target_address = ("127.0.0.1", 9000)
        server = UDPServer(bind_address, target_address)
        assert server.target_address == target_address
        assert server.timeout == 0.5
        assert server.stop_thread is False

    # UDPServer can start and stop without errors, with port check
    def test_start_and_stop_without_errors_with_port_check(self, mocker):
        bind_address = ("127.0.0.1", 8001)
        target_address = ("127.0.0.1", 9001)

        # Check if bind_address is already in use
        bind_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
        try:
            bind_socket.bind(bind_address)
        except OSError:
            pytest.fail(f"Port {bind_address[1]} is already in use")
        finally:
            bind_socket.close()

        # Check if target_address is already in use
        target_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
        try:
            target_socket.bind(target_address)
        except OSError:
            pytest.fail(f"Port {target_address[1]} is already in use")
        finally:
            target_socket.close()

        server = UDPServer(bind_address, target_address)

        mocker.patch.object(socketserver.UDPServer, "serve_forever")
        mocker.patch.object(socketserver.UDPServer, "shutdown")

        server.start()
        assert socketserver.UDPServer.serve_forever.called

        server.stop()

    # UDPServer handles invalid payload and returns False
    def test_handles_invalid_payload_and_returns_false(self, mocker):
        bind_address = ("127.0.0.1", 8004)
        target_address = ("127.0.0.1", 9004)
        server = UDPServer(bind_address, target_address)
        server.timeout = 5
        handler = mocker.Mock()
        handler.request = (b"INVALID_PAYLOAD", "client_address")
        sampserver.isonline = True
        result = server.handle_external_packet(handler, sampserver=sampserver)

        server.stop()
        assert result is False

    # UDPServer handles invalid server address and returns False
    def test_handles_invalid_server_address_and_returns_false(self, mocker):
        bind_address = ("127.0.0.1", 8000)
        target_address = ("127.0.0.1", 9000)
        server = UDPServer(bind_address, target_address)

        # Check if bind address is already in use
        try:
            socket.socket(socket.AF_INET, socket.SOCK_DGRAM).bind(
                ("127.0.0.1", 8002)
            )
        except OSError:
            pytest.skip("Bind address is already in use")

        handler = mocker.Mock()
        handler.request = (
            b"SAMP\x01\x02\x03\x05\x05\x06\x07\x08\x09\x0a",
            "client_address",
        )

        mocker.patch.object(server, "ping", return_value=True)

        result = server.handle_external_packet(handler, sampserver=sampserver)
        server.stop()
        assert result is False

    # Test handle_external_packet

    def test_handle_external_packet(self, mocker):
        # Mock the necessary attributes and methods
        server = UDPServer(("127.0.0.1", 8008), ("127.0.0.1", 9008))

        sampserver.isonline = True
        sampserver.info = b"info_data"
        sampserver.rules = b"rules_data"
        sampserver.detail = b"detail_data"
        sampserver.clients = b"clients_data"
        handler = mocker.MagicMock()
        handler.request = (
            b"SAMP\x7b\x7b\x7b\x7b\00\00" + b"i",
            "client_address",
        )

        # Mock the sendto() method
        # Mock the sendto() method of the server socket
        with patch("pack_scan.socket.socket.sendto") as sendto_mock:
            sendto_mock.return_value = b"dummy_response"

            # Test when server is online and payload is valid
            assert (
                server.handle_external_packet(handler, sampserver=sampserver)
                is True
            )

            # Test when server is offline
            sampserver.isonline = False
            assert (
                server.handle_external_packet(handler, sampserver=sampserver)
                is False
            )

            # Test when payload address is invalid
            handler.request = (
                b"SAMP\x7f\x00\x00\x02\x03\x20\x03\x00\x00\x00",
                "client_address",
            )
            assert (
                server.handle_external_packet(handler, sampserver=sampserver)
                is False
            )

            # Test when payload type is invalid
            handler.request = (
                b"SAMP\x7f\x00\x00\x01\x03\x20\x03\x00\x00\x01",
                "client_address",
            )
            assert (
                server.handle_external_packet(handler, sampserver=sampserver)
                is False
            )

            # Test when payload type is not recognized
            handler.request = (
                b"SAMP\x7f\x00\x00\x01\x03\x20\x03\x00\x00\x61",
                "client_address",
            )
            assert (
                server.handle_external_packet(handler, sampserver=sampserver)
                is False
            )


if __name__ == "__main__":
    pytest.main(["-v"])