more mypy+coverage refactoring

aioupnp/__main__.py

@@ -4,8 +4,7 @@ import logging
 import textwrap
 import typing
 from collections import OrderedDict
-from aioupnp.upnp import run_cli, UPnP
-from aioupnp.commands import SOAPCommands
+from aioupnp.upnp import run_cli, UPnP, cli_commands
 
 log = logging.getLogger("aioupnp")
 handler = logging.StreamHandler()
@@ -20,36 +19,53 @@ base_usage = "\n".join(textwrap.wrap(
 
 
 def get_help(command: str) -> str:
-    annotations = UPnP.get_annotations(command)
-    params = command + " " + " ".join(["[--%s=<%s>]" % (k, str(v)) for k, v in annotations.items() if k != 'return'])
-    return base_usage + "\n".join(
-        textwrap.wrap(params, 100, initial_indent='  ', subsequent_indent='  ', break_long_words=False)
-    )
+    annotations, doc = UPnP.get_annotations(command)
+    doc = doc or ""
+
+    arg_strs = []
+    for k, v in annotations.items():
+        if k not in ['return', 'igd_args', 'loop']:
+            t = str(v) if not hasattr(v, "__name__") else v.__name__
+            if t == 'bool':
+                arg_strs.append(f"[--{k}]")
+            else:
+                arg_strs.append(f"[--{k}=<{t}>]")
+        elif k == 'igd_args':
+            arg_strs.append(f"[--<header key>=<header value>, ...]")
+
+    params = " ".join(arg_strs)
+    usage = "\n".join(textwrap.wrap(
+        f"aioupnp [-h] [--debug_logging] {command} {params}",
+        100, subsequent_indent='  ', break_long_words=False)) + "\n"
+
+    return usage + textwrap.dedent(doc)
 
 
 def main(argv: typing.Optional[typing.List[typing.Optional[str]]] = None,
          loop: typing.Optional[asyncio.AbstractEventLoop] = None) -> int:
     argv = argv or list(sys.argv)
-    commands = list(SOAPCommands.SOAP_COMMANDS)
     help_str = "\n".join(textwrap.wrap(
-        " | ".join(commands), 100, initial_indent='  ', subsequent_indent='  ', break_long_words=False
+        " | ".join(cli_commands), 100, initial_indent='  ', subsequent_indent='  ', break_long_words=False
     ))
 
     usage = \
-        "\n%s\n" \
+        "%s\n" \
         "If m-search headers are provided as keyword arguments all of the headers to be used must be provided,\n" \
         "in the order they are to be used. For example:\n" \
         "  aioupnp --HOST=239.255.255.250:1900 --MAN=\"ssdp:discover\" --MX=1 --ST=upnp:rootdevice m_search\n\n" \
         "Commands:\n" \
         "%s\n\n" \
         "For help with a specific command:" \
-        "  aioupnp help <command>\n" % (base_usage, help_str)
+        "  aioupnp help <command>" % (base_usage, help_str)
 
     args: typing.List[str] = [str(arg) for arg in argv[1:]]
+    if not args:
+        print(usage)
+        return 0
     if args[0] in ['help', '-h', '--help']:
         if len(args) > 1:
-            if args[1] in commands:
-                print(get_help(args[1]))
+            if args[1].replace("-", "_") in cli_commands:
+                print(get_help(args[1].replace("-", "_")))
                 return 0
         print(usage)
         return 0

aioupnp/commands.py

@@ -2,43 +2,64 @@ import asyncio
 import time
 import typing
 import logging
-from typing import Tuple
 from aioupnp.protocols.scpd import scpd_post
 from aioupnp.device import Service
 
 log = logging.getLogger(__name__)
 
 
-def soap_optional_str(x: typing.Optional[str]) -> typing.Optional[str]:
-    return x if x is not None and str(x).lower() not in ['none', 'nil'] else None
+def soap_optional_str(x: typing.Optional[typing.Union[str, int]]) -> typing.Optional[str]:
+    return str(x) if x is not None and str(x).lower() not in ['none', 'nil'] else None
 
 
-def soap_bool(x: typing.Optional[str]) -> bool:
+def soap_bool(x: typing.Optional[typing.Union[str, int]]) -> bool:
     return False if not x or str(x).lower() in ['false', 'False'] else True
 
 
-def recast_single_result(t: type, result: typing.Any) -> typing.Optional[typing.Union[str, int, float, bool]]:
-    if t is bool:
-        return soap_bool(result)
-    if t is str:
-        return soap_optional_str(result)
-    return t(result)
+class GetSpecificPortMappingEntryResponse(typing.NamedTuple):
+    internal_port: int
+    lan_address: str
+    enabled: bool
+    description: str
+    lease_time: int
+
+
+class GetGenericPortMappingEntryResponse(typing.NamedTuple):
+    gateway_address: str
+    external_port: int
+    protocol: str
+    internal_port: int
+    lan_address: str
+    enabled: bool
+    description: str
+    lease_time: int
 
 
 def recast_return(return_annotation, result: typing.Dict[str, typing.Union[int, str]],
-                  result_keys: typing.List[str]) -> typing.Tuple:
-    if return_annotation is None or len(result_keys) == 0:
-        return ()
+                  result_keys: typing.List[str]) -> typing.Optional[
+                typing.Union[str, int, bool, GetSpecificPortMappingEntryResponse, GetGenericPortMappingEntryResponse]]:
     if len(result_keys) == 1:
-        assert len(result_keys) == 1
         single_result = result[result_keys[0]]
-        return (recast_single_result(return_annotation, single_result), )
-    annotated_args: typing.List[type] = list(return_annotation.__args__)
-    assert len(annotated_args) == len(result_keys)
-    recast_results: typing.List[typing.Optional[typing.Union[str, int, float, bool]]] = []
-    for type_annotation, result_key in zip(annotated_args, result_keys):
-        recast_results.append(recast_single_result(type_annotation, result.get(result_key, None)))
-    return tuple(recast_results)
+        if return_annotation is bool:
+            return soap_bool(single_result)
+        if return_annotation is str:
+            return soap_optional_str(single_result)
+        return int(result[result_keys[0]]) if result_keys[0] in result else None
+    elif return_annotation in [GetGenericPortMappingEntryResponse, GetSpecificPortMappingEntryResponse]:
+        arg_types: typing.Dict[str, typing.Type[typing.Any]] = return_annotation._field_types
+        assert len(arg_types) == len(result_keys)
+        recast_results: typing.Dict[str, typing.Optional[typing.Union[str, int, bool]]] = {}
+        for i, (field_name, result_key) in enumerate(zip(arg_types, result_keys)):
+            result_field_name = result_keys[i]
+            field_type = arg_types[field_name]
+            if field_type is bool:
+                recast_results[field_name] = soap_bool(result.get(result_field_name, None))
+            elif field_type is str:
+                recast_results[field_name] = soap_optional_str(result.get(result_field_name, None))
+            elif field_type is int:
+                recast_results[field_name] = int(result[result_field_name]) if result_field_name in result else None
+        return return_annotation(**recast_results)
+    return None
 
 
 class SOAPCommands:
@@ -88,7 +109,10 @@ class SOAPCommands:
         self._base_address = base_address
         self._port = port
         self._requests: typing.List[typing.Tuple[str, typing.Dict[str, typing.Any], bytes,
-                                                 typing.Tuple, typing.Optional[Exception], float]] = []
+                                                 typing.Optional[typing.Union[str, int, bool,
+                                                                              GetSpecificPortMappingEntryResponse,
+                                                                              GetGenericPortMappingEntryResponse]],
+                                    typing.Optional[Exception], float]] = []
 
     def is_registered(self, name: str) -> bool:
         if name not in self.SOAP_COMMANDS:
@@ -112,7 +136,8 @@ class SOAPCommands:
         input_names: typing.List[str] = self._registered[service][name][0]
         output_names: typing.List[str] = self._registered[service][name][1]
 
-        async def wrapper(**kwargs: typing.Any) -> typing.Tuple:
+        async def wrapper(**kwargs: typing.Any) -> typing.Optional[
+              typing.Union[str, int, bool, GetSpecificPortMappingEntryResponse, GetGenericPortMappingEntryResponse]]:
 
             assert service.controlURL is not None
             assert service.serviceType is not None
@@ -122,11 +147,10 @@ class SOAPCommands:
             )
             if err is not None:
                 assert isinstance(xml_bytes, bytes)
-                self._requests.append((name, kwargs, xml_bytes, (), err, time.time()))
+                self._requests.append((name, kwargs, xml_bytes, None, err, time.time()))
                 raise err
             assert 'return' in annotations
             result = recast_return(annotations['return'], response, output_names)
-
             self._requests.append((name, kwargs, xml_bytes, result, None, time.time()))
             return result
 
@@ -161,8 +185,7 @@ class SOAPCommands:
         )
         return None
 
-    async def GetGenericPortMappingEntry(self, NewPortMappingIndex: int) -> Tuple[str, int, str, int, str,
-                                                                            bool, str, int]:
+    async def GetGenericPortMappingEntry(self, NewPortMappingIndex: int) -> GetGenericPortMappingEntryResponse:
         """
         Returns (NewRemoteHost, NewExternalPort, NewProtocol, NewInternalPort, NewInternalClient, NewEnabled,
                  NewPortMappingDescription, NewLeaseDuration)
@@ -171,19 +194,19 @@ class SOAPCommands:
         if not self.is_registered(name):
             raise NotImplementedError()
         assert name in self._wrappers_kwargs
-        result: Tuple[str, int, str, int, str, bool, str, int] = await self._wrappers_kwargs[name](
+        result: GetGenericPortMappingEntryResponse = await self._wrappers_kwargs[name](
             NewPortMappingIndex=NewPortMappingIndex
         )
         return result
 
     async def GetSpecificPortMappingEntry(self, NewRemoteHost: str, NewExternalPort: int,
-                                          NewProtocol: str) -> Tuple[int, str, bool, str, int]:
+                                          NewProtocol: str) -> GetSpecificPortMappingEntryResponse:
         """Returns (NewInternalPort, NewInternalClient, NewEnabled, NewPortMappingDescription, NewLeaseDuration)"""
         name = "GetSpecificPortMappingEntry"
         if not self.is_registered(name):
             raise NotImplementedError()
         assert name in self._wrappers_kwargs
-        result: Tuple[int, str, bool, str, int] = await self._wrappers_kwargs[name](
+        result: GetSpecificPortMappingEntryResponse = await self._wrappers_kwargs[name](
             NewRemoteHost=NewRemoteHost, NewExternalPort=NewExternalPort, NewProtocol=NewProtocol
         )
         return result
@@ -205,8 +228,8 @@ class SOAPCommands:
         if not self.is_registered(name):
             raise NotImplementedError()
         assert name in self._wrappers_no_args
-        result: Tuple[str] = await self._wrappers_no_args[name]()
-        return result[0]
+        result: str = await self._wrappers_no_args[name]()
+        return result
 
     # async def GetNATRSIPStatus(self) -> Tuple[bool, bool]:
     #     """Returns (NewRSIPAvailable, NewNATEnabled)"""

aioupnp/gateway.py

@@ -3,7 +3,7 @@ import logging
 import typing
 import asyncio
 from collections import OrderedDict
-from typing import Dict, List, Union
+from typing import Dict, List
 from aioupnp.util import get_dict_val_case_insensitive
 from aioupnp.constants import SPEC_VERSION, SERVICE
 from aioupnp.commands import SOAPCommands
@@ -103,74 +103,81 @@ class Gateway:
         self._registered_commands: Dict[str, str] = {}
         self.commands = SOAPCommands(self._loop, self.base_ip, self.port)
 
-    def gateway_descriptor(self) -> dict:
-        r = {
-            'server': self.server.decode(),
-            'urlBase': self.url_base,
-            'location': self.location.decode(),
-            "specVersion": self.spec_version,
-            'usn': self.usn.decode(),
-            'urn': self.urn.decode(),
-        }
-        return r
+    # def gateway_descriptor(self) -> dict:
+    #     r = {
+    #         'server': self.server.decode(),
+    #         'urlBase': self.url_base,
+    #         'location': self.location.decode(),
+    #         "specVersion": self.spec_version,
+    #         'usn': self.usn.decode(),
+    #         'urn': self.urn.decode(),
+    #     }
+    #     return r
 
     @property
     def manufacturer_string(self) -> str:
-        if not self.devices:
-            return "UNKNOWN GATEWAY"
-        devices: typing.List[Device] = list(self.devices.values())
-        device = devices[0]
-        return f"{device.manufacturer} {device.modelName}"
+        manufacturer_string = "UNKNOWN GATEWAY"
+        if self.devices:
+            devices: typing.List[Device] = list(self.devices.values())
+            device = devices[0]
+            manufacturer_string = f"{device.manufacturer} {device.modelName}"
+        return manufacturer_string
 
     @property
     def services(self) -> Dict[str, Service]:
-        if not self._device:
-            return {}
-        return {str(service.serviceType): service for service in self._services}
+        services: Dict[str, Service] = {}
+        if self._services:
+            for service in self._services:
+                if service.serviceType is not None:
+                    services[service.serviceType] = service
+        return services
 
     @property
-    def devices(self) -> Dict:
-        if not self._device:
-            return {}
-        return {device.udn: device for device in self._devices}
+    def devices(self) -> Dict[str, Device]:
+        devices: Dict[str, Device] = {}
+        if self._device:
+            for device in self._devices:
+                if device.udn is not None:
+                    devices[device.udn] = device
+        return devices
 
-    def get_service(self, service_type: str) -> typing.Optional[Service]:
-        for service in self._services:
-            if service.serviceType and service.serviceType.lower() == service_type.lower():
-                return service
-        return None
+    # def get_service(self, service_type: str) -> typing.Optional[Service]:
+    #     for service in self._services:
+    #         if service.serviceType and service.serviceType.lower() == service_type.lower():
+    #             return service
+    #     return None
 
-    @property
-    def soap_requests(self) -> typing.List[typing.Tuple[str, typing.Dict[str, typing.Any], bytes,
-                                                        typing.Optional[typing.Tuple],
-                                                        typing.Optional[Exception], float]]:
-        soap_call_infos: typing.List[typing.Tuple[str, typing.Dict[str, typing.Any], bytes,
-                                                  typing.Optional[typing.Tuple],
-                                                  typing.Optional[Exception], float]] = []
-        soap_call_infos.extend([
-            (name, request_args, raw_response, decoded_response, soap_error, ts)
-            for (
-                name, request_args, raw_response, decoded_response, soap_error, ts
-            ) in self.commands._requests
-        ])
-        soap_call_infos.sort(key=lambda x: x[5])
-        return soap_call_infos
+    # @property
+    # def soap_requests(self) -> typing.List[typing.Tuple[str, typing.Dict[str, typing.Any], bytes,
+    #                                                     typing.Optional[typing.Tuple],
+    #                                                     typing.Optional[Exception], float]]:
+    #     soap_call_infos: typing.List[typing.Tuple[str, typing.Dict[str, typing.Any], bytes,
+    #                                               typing.Optional[typing.Tuple],
+    #                                               typing.Optional[Exception], float]] = []
+    #     soap_call_infos.extend([
+    #         (name, request_args, raw_response, decoded_response, soap_error, ts)
+    #         for (
+    #             name, request_args, raw_response, decoded_response, soap_error, ts
+    #         ) in self.commands._requests
+    #     ])
+    #     soap_call_infos.sort(key=lambda x: x[5])
+    #     return soap_call_infos
 
-    def debug_gateway(self) -> Dict[str, Union[str, bytes, int, Dict, List]]:
-        return {
-            'manufacturer_string': self.manufacturer_string,
-            'gateway_address': self.base_ip,
-            'gateway_descriptor': self.gateway_descriptor(),
-            'gateway_xml': self._xml_response,
-            'services_xml': self._service_descriptors,
-            'services': {service.SCPDURL: service.as_dict() for service in self._services},
-            'm_search_args': [(k, v) for (k, v) in self._m_search_args.items()],
-            'reply': self._ok_packet.as_dict(),
-            'soap_port': self.port,
-            'registered_soap_commands': self._registered_commands,
-            'unsupported_soap_commands': self._unsupported_actions,
-            'soap_requests': self.soap_requests
-        }
+    # def debug_gateway(self) -> Dict[str, Union[str, bytes, int, Dict, List]]:
+    #     return {
+    #         'manufacturer_string': self.manufacturer_string,
+    #         'gateway_address': self.base_ip,
+    #         'gateway_descriptor': self.gateway_descriptor(),
+    #         'gateway_xml': self._xml_response,
+    #         'services_xml': self._service_descriptors,
+    #         'services': {service.SCPDURL: service.as_dict() for service in self._services},
+    #         'm_search_args': [(k, v) for (k, v) in self._m_search_args.items()],
+    #         'reply': self._ok_packet.as_dict(),
+    #         'soap_port': self.port,
+    #         'registered_soap_commands': self._registered_commands,
+    #         'unsupported_soap_commands': self._unsupported_actions,
+    #         'soap_requests': self.soap_requests
+    #     }
 
     @classmethod
     async def _discover_gateway(cls, lan_address: str, gateway_address: str, timeout: int = 30,
@@ -206,7 +213,7 @@ class Gateway:
                     ignored.add(datagram.location)
                     continue
                 else:
-                    log.debug('found gateway device %s', datagram.location)
+                    log.debug('found gateway %s at %s', gateway.manufacturer_string or "device", datagram.location)
                     return gateway
             except (asyncio.TimeoutError, UPnPError) as err:
                 assert datagram.location is not None

aioupnp/protocols/multicast.py

@@ -2,11 +2,11 @@ import struct
 import socket
 import typing
 from asyncio.protocols import DatagramProtocol
-from asyncio.transports import BaseTransport
+from asyncio.transports import DatagramTransport
 from unittest import mock
 
 
-def _get_sock(transport: typing.Optional[BaseTransport]) -> typing.Optional[socket.socket]:
+def _get_sock(transport: typing.Optional[DatagramTransport]) -> typing.Optional[socket.socket]:
     if transport is None or not hasattr(transport, "_extra"):
         return None
     sock: typing.Optional[socket.socket] = transport.get_extra_info('socket', None)
@@ -18,7 +18,7 @@ class MulticastProtocol(DatagramProtocol):
     def __init__(self, multicast_address: str, bind_address: str) -> None:
         self.multicast_address = multicast_address
         self.bind_address = bind_address
-        self.transport: typing.Optional[BaseTransport] = None
+        self.transport: typing.Optional[DatagramTransport] = None
 
     @property
     def sock(self) -> typing.Optional[socket.socket]:
@@ -26,40 +26,37 @@ class MulticastProtocol(DatagramProtocol):
 
     def get_ttl(self) -> int:
         sock = self.sock
-        if not sock:
-            raise ValueError("not connected")
-        return sock.getsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_TTL)
+        if sock:
+            return sock.getsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_TTL)
+        return 0
 
     def set_ttl(self, ttl: int = 1) -> None:
         sock = self.sock
-        if not sock:
-            return None
-        sock.setsockopt(
-            socket.IPPROTO_IP, socket.IP_MULTICAST_TTL, struct.pack('b', ttl)
-        )
+        if sock:
+            sock.setsockopt(
+                socket.IPPROTO_IP, socket.IP_MULTICAST_TTL, struct.pack('b', ttl)
+            )
         return None
 
     def join_group(self, multicast_address: str, bind_address: str) -> None:
         sock = self.sock
-        if not sock:
-            return None
-        sock.setsockopt(
-            socket.IPPROTO_IP, socket.IP_ADD_MEMBERSHIP,
-            socket.inet_aton(multicast_address) + socket.inet_aton(bind_address)
-        )
+        if sock:
+            sock.setsockopt(
+                socket.IPPROTO_IP, socket.IP_ADD_MEMBERSHIP,
+                socket.inet_aton(multicast_address) + socket.inet_aton(bind_address)
+            )
         return None
 
     def leave_group(self, multicast_address: str, bind_address: str) -> None:
         sock = self.sock
-        if not sock:
-            raise ValueError("not connected")
-        sock.setsockopt(
-            socket.IPPROTO_IP, socket.IP_DROP_MEMBERSHIP,
-            socket.inet_aton(multicast_address) + socket.inet_aton(bind_address)
-        )
+        if sock:
+            sock.setsockopt(
+                socket.IPPROTO_IP, socket.IP_DROP_MEMBERSHIP,
+                socket.inet_aton(multicast_address) + socket.inet_aton(bind_address)
+            )
         return None
 
-    def connection_made(self, transport: BaseTransport) -> None:
+    def connection_made(self, transport: DatagramTransport) -> None:  # type: ignore
         self.transport = transport
         return None
 

aioupnp/protocols/ssdp.py

@@ -28,19 +28,14 @@ class SSDPProtocol(MulticastProtocol):
         self.notifications: typing.List[SSDPDatagram] = []
         self.connected = asyncio.Event(loop=self.loop)
 
-    def connection_made(self, transport) -> None:
-        # assert isinstance(transport, asyncio.DatagramTransport), str(type(transport))
+    def connection_made(self, transport: asyncio.DatagramTransport) -> None:  # type: ignore
         super().connection_made(transport)
         self.connected.set()
+        return None
 
     def disconnect(self) -> None:
         if self.transport:
-            try:
-                self.leave_group(self.multicast_address, self.bind_address)
-            except ValueError:
-                pass
-            except Exception:
-                log.exception("unexpected error leaving multicast group")
+            self.leave_group(self.multicast_address, self.bind_address)
             self.transport.close()
         self.connected.clear()
         while self._pending_searches:
@@ -50,29 +45,30 @@ class SSDPProtocol(MulticastProtocol):
         return None
 
     def _callback_m_search_ok(self, address: str, packet: SSDPDatagram) -> None:
-        if packet.location in self._ignored:
-            return None
-        # TODO: fix this
-        tmp: typing.List[typing.Tuple[str, str, 'asyncio.Future[SSDPDatagram]', asyncio.Handle]] = []
-        set_futures: typing.List['asyncio.Future[SSDPDatagram]'] = []
-        while len(self._pending_searches):
-            t: typing.Tuple[str, str, 'asyncio.Future[SSDPDatagram]', asyncio.Handle] = self._pending_searches.pop()
-            if (address == t[0]) and (t[1] in [packet.st, "upnp:rootdevice"]):
-                f = t[2]
-                if f not in set_futures:
-                    set_futures.append(f)
-                    if not f.done():
-                        f.set_result(packet)
-            elif t[2] not in set_futures:
-                tmp.append(t)
-        while tmp:
-            self._pending_searches.append(tmp.pop())
+        if packet.location not in self._ignored:
+            # TODO: fix this
+            tmp: typing.List[typing.Tuple[str, str, 'asyncio.Future[SSDPDatagram]', asyncio.Handle]] = []
+            set_futures: typing.List['asyncio.Future[SSDPDatagram]'] = []
+            while len(self._pending_searches):
+                t = self._pending_searches.pop()
+                if (address == t[0]) and (t[1] in [packet.st, "upnp:rootdevice"]):
+                    f = t[2]
+                    if f not in set_futures:
+                        set_futures.append(f)
+                        if not f.done():
+                            f.set_result(packet)
+                elif t[2] not in set_futures:
+                    tmp.append(t)
+            while tmp:
+                self._pending_searches.append(tmp.pop())
         return None
 
-    def _send_m_search(self, address: str, packet: SSDPDatagram) -> None:
+    def _send_m_search(self, address: str, packet: SSDPDatagram, fut: 'asyncio.Future[SSDPDatagram]') -> None:
         dest = address if self._unicast else SSDP_IP_ADDRESS
         if not self.transport:
-            raise UPnPError("SSDP transport not connected")
+            if not fut.done():
+                fut.set_exception(UPnPError("SSDP transport not connected"))
+            return None
         log.debug("send m search to %s: %s", dest, packet.st)
         self.transport.sendto(packet.encode().encode(), (dest, SSDP_PORT))
         return None
@@ -84,7 +80,7 @@ class SSDPProtocol(MulticastProtocol):
             packet = SSDPDatagram("M-SEARCH", datagram)
             assert packet.st is not None
             self._pending_searches.append(
-                (address, packet.st, fut, self.loop.call_soon(self._send_m_search, address, packet))
+                (address, packet.st, fut, self.loop.call_soon(self._send_m_search, address, packet, fut))
             )
         return await asyncio.wait_for(fut, timeout)
 
@@ -95,8 +91,8 @@ class SSDPProtocol(MulticastProtocol):
             packet = SSDPDatagram.decode(data)
             log.debug("decoded packet from %s:%i: %s", addr[0], addr[1], packet)
         except UPnPError as err:
-            log.error("failed to decode SSDP packet from %s:%i (%s): %s", addr[0], addr[1], err,
-                      binascii.hexlify(data))
+            log.warning("failed to decode SSDP packet from %s:%i (%s): %s", addr[0], addr[1], err,
+                        binascii.hexlify(data))
             return None
 
         if packet._packet_type == packet._OK:
@@ -131,19 +127,13 @@ async def listen_ssdp(lan_address: str, gateway_address: str, loop: typing.Optio
         listen_result: typing.Tuple[asyncio.BaseTransport, asyncio.BaseProtocol] = await loop.create_datagram_endpoint(
             lambda: SSDPProtocol(SSDP_IP_ADDRESS, lan_address, ignored, unicast), sock=sock
         )
-        transport = listen_result[0]
         protocol = listen_result[1]
         assert isinstance(protocol, SSDPProtocol)
     except Exception as err:
-        print(err)
         raise UPnPError(err)
-    try:
+    else:
         protocol.join_group(protocol.multicast_address, protocol.bind_address)
         protocol.set_ttl(1)
-    except Exception as err:
-        protocol.disconnect()
-        raise UPnPError(err)
-
     return protocol, gateway_address, lan_address
 
 
@@ -178,10 +168,11 @@ async def _fuzzy_m_search(lan_address: str, gateway_address: str, timeout: int =
         log.debug("sending batch of %i M-SEARCH attempts", batch_size)
         try:
             await protocol.m_search(gateway_address, batch_timeout, args)
-            protocol.disconnect()
-            return args
         except asyncio.TimeoutError:
             continue
+        else:
+            protocol.disconnect()
+            return args
     protocol.disconnect()
     raise UPnPError("M-SEARCH for {}:{} timed out".format(gateway_address, SSDP_PORT))
 

aioupnp/upnp.py

@@ -5,13 +5,14 @@ import logging
 import json
 import asyncio
 from collections import OrderedDict
-from typing import Tuple, Dict, List, Union, Optional
+from typing import Tuple, Dict, List, Union, Optional, Any
 from aioupnp.fault import UPnPError
 from aioupnp.gateway import Gateway
 from aioupnp.interfaces import get_gateway_and_lan_addresses
 from aioupnp.protocols.ssdp import m_search, fuzzy_m_search
 from aioupnp.serialization.ssdp import SSDPDatagram
-from aioupnp.commands import SOAPCommands
+from aioupnp.commands import GetGenericPortMappingEntryResponse, GetSpecificPortMappingEntryResponse
+
 
 log = logging.getLogger(__name__)
 
@@ -31,11 +32,27 @@ class UPnP:
         self.gateway = gateway
 
     @classmethod
-    def get_annotations(cls, command: str) -> Dict[str, type]:
-        return getattr(SOAPCommands, command).__annotations__
+    def get_annotations(cls, command: str) -> Tuple[Dict[str, Any], Optional[str]]:
+        if command == "m_search":
+            return cls.m_search.__annotations__, cls.m_search.__doc__
+        if command == "get_external_ip":
+            return cls.get_external_ip.__annotations__, cls.get_external_ip.__doc__
+        if command == "add_port_mapping":
+            return cls.add_port_mapping.__annotations__, cls.add_port_mapping.__doc__
+        if command == "get_port_mapping_by_index":
+            return cls.get_port_mapping_by_index.__annotations__, cls.get_port_mapping_by_index.__doc__
+        if command == "get_redirects":
+            return cls.get_redirects.__annotations__, cls.get_redirects.__doc__
+        if command == "get_specific_port_mapping":
+            return cls.get_specific_port_mapping.__annotations__, cls.get_specific_port_mapping.__doc__
+        if command == "delete_port_mapping":
+            return cls.delete_port_mapping.__annotations__, cls.delete_port_mapping.__doc__
+        if command == "get_next_mapping":
+            return cls.get_next_mapping.__annotations__, cls.get_next_mapping.__doc__
+        raise AttributeError(command)
 
-    @classmethod
-    def get_lan_and_gateway(cls, lan_address: str = '', gateway_address: str = '',
+    @staticmethod
+    def get_lan_and_gateway(lan_address: str = '', gateway_address: str = '',
                             interface_name: str = 'default') -> Tuple[str, str]:
         if not lan_address or not gateway_address:
             gateway_addr, lan_addr = get_gateway_and_lan_addresses(interface_name)
@@ -55,10 +72,28 @@ class UPnP:
 
     @classmethod
     async def m_search(cls, lan_address: str = '', gateway_address: str = '', timeout: int = 1,
-                       igd_args: Optional[Dict[str, Union[int, str]]] = None,
                        unicast: bool = True, interface_name: str = 'default',
+                       igd_args: Optional[Dict[str, Union[str, int]]] = None,
                        loop: Optional[asyncio.AbstractEventLoop] = None
-                       ) -> Dict[str, Union[str, Dict[str, Union[int, str]]]]:
+                       ) -> Dict[str, Union[str, Dict[str, Union[str, int]]]]:
+        """
+        Perform a M-SEARCH for a upnp gateway.
+
+        :param lan_address: (str) the local interface ipv4 address
+        :param gateway_address: (str) the gateway ipv4 address
+        :param timeout: (int) m search timeout
+        :param unicast: (bool) use unicast
+        :param interface_name: (str) name of the network interface
+        :param igd_args: (dict) case sensitive M-SEARCH headers. if used all headers to be used must be provided.
+
+        :return: {
+            'lan_address': (str) lan address,
+            'gateway_address': (str) gateway address,
+            'm_search_kwargs': (str) equivalent igd_args ,
+            'discover_reply': (dict) SSDP response datagram
+        }
+        """
+
         if not lan_address or not gateway_address:
             try:
                 lan_address, gateway_address = cls.get_lan_and_gateway(lan_address, gateway_address, interface_name)
@@ -79,10 +114,25 @@ class UPnP:
         }
 
     async def get_external_ip(self) -> str:
+        """
+        Get the external ip address from the gateway
+
+        :return: (str) external ip
+        """
         return await self.gateway.commands.GetExternalIPAddress()
 
     async def add_port_mapping(self, external_port: int, protocol: str, internal_port: int, lan_address: str,
                                description: str) -> None:
+        """
+        Add a new port mapping
+
+        :param external_port: (int) external port to map
+        :param protocol: (str) UDP | TCP
+        :param internal_port: (int) internal port
+        :param lan_address: (str) internal lan address
+        :param description: (str) mapping description
+        :return: None
+        """
         await self.gateway.commands.AddPortMapping(
             NewRemoteHost='', NewExternalPort=external_port, NewProtocol=protocol,
             NewInternalPort=internal_port, NewInternalClient=lan_address,
@@ -90,11 +140,42 @@ class UPnP:
         )
         return None
 
-    async def get_port_mapping_by_index(self, index: int) -> Tuple[str, int, str, int, str, bool, str, int]:
+    async def get_port_mapping_by_index(self, index: int) -> GetGenericPortMappingEntryResponse:
+        """
+        Get information about a port mapping by index number
+
+        :param index: (int) mapping index number
+        :return: NamedTuple[
+            gateway_address: str
+            external_port: int
+            protocol: str
+            internal_port: int
+            lan_address: str
+            enabled: bool
+            description: str
+            lease_time: int
+        ]
+        """
         return await self.gateway.commands.GetGenericPortMappingEntry(NewPortMappingIndex=index)
 
-    async def get_redirects(self) -> List[Tuple[str, int, str, int, str, bool, str, int]]:
-        redirects: List[Tuple[str, int, str, int, str, bool, str, int]] = []
+    async def get_redirects(self) -> List[GetGenericPortMappingEntryResponse]:
+        """
+        Get information about all mapped ports
+
+        :return: List[
+            NamedTuple[
+                gateway_address: str
+                external_port: int
+                protocol: str
+                internal_port: int
+                lan_address: str
+                enabled: bool
+                description: str
+                lease_time: int
+            ]
+        ]
+        """
+        redirects: List[GetGenericPortMappingEntryResponse] = []
         cnt = 0
         try:
             redirect = await self.get_port_mapping_by_index(cnt)
@@ -109,11 +190,19 @@ class UPnP:
                 break
         return redirects
 
-    async def get_specific_port_mapping(self, external_port: int, protocol: str) -> Tuple[int, str, bool, str, int]:
+    async def get_specific_port_mapping(self, external_port: int, protocol: str) -> GetSpecificPortMappingEntryResponse:
         """
-        :param external_port: (int) external port to listen on
-        :param protocol:      (str) 'UDP' | 'TCP'
-        :return: (int) <internal port>, (str) <lan ip>, (bool) <enabled>, (str) <description>, (int) <lease time>
+        Get information about a port mapping by port number and protocol
+
+        :param external_port: (int) port number
+        :param protocol: (str) UDP | TCP
+        :return: NamedTuple[
+            internal_port: int
+            lan_address: str
+            enabled: bool
+            description: str
+            lease_time: int
+        ]
         """
         return await self.gateway.commands.GetSpecificPortMappingEntry(
             NewRemoteHost='', NewExternalPort=external_port, NewProtocol=protocol
@@ -121,25 +210,31 @@ class UPnP:
 
     async def delete_port_mapping(self, external_port: int, protocol: str) -> None:
         """
-        :param external_port: (int) external port to listen on
-        :param protocol:      (str) 'UDP' | 'TCP'
+        Delete a port mapping
+
+        :param external_port: (int) port number of mapping
+        :param protocol: (str) TCP | UDP
         :return: None
         """
         await self.gateway.commands.DeletePortMapping(
             NewRemoteHost="", NewExternalPort=external_port, NewProtocol=protocol
         )
+
         return None
 
     async def get_next_mapping(self, port: int, protocol: str, description: str,
                                internal_port: Optional[int] = None) -> int:
         """
-        :param port:          (int) external port to redirect from
-        :param protocol:      (str) 'UDP' | 'TCP'
-        :param description:   (str) mapping description
-        :param internal_port: (int) internal port to redirect to
+        Get a new port mapping. If the requested port is not available, increment until the next free port is mapped
 
-        :return: (int) <mapped port>
+        :param port: (int) external port
+        :param protocol: (str) UDP | TCP
+        :param description: (str) mapping description
+        :param internal_port: (int) internal port
+
+        :return: (int) mapped port
         """
+
         _internal_port = int(internal_port or port)
         requested_port = int(_internal_port)
         port = int(port)
@@ -264,22 +359,23 @@ class UPnP:
     #     return await self.gateway.commands.GetActiveConnections()
 
 
-def run_cli(method, igd_args: Dict[str, Union[bool, str, int]], lan_address: str = '',
-            gateway_address: str = '', timeout: int = 30, interface_name: str = 'default',
-            unicast: bool = True, kwargs: Optional[Dict] = None,
-            loop: Optional[asyncio.AbstractEventLoop] = None) -> None:
-    """
-    :param method: the command name
-    :param igd_args: ordered case sensitive M-SEARCH headers, if provided all headers to be used must be provided
-    :param lan_address: the ip address of the local interface
-    :param gateway_address: the ip address of the gateway
-    :param timeout: timeout, in seconds
-    :param interface_name: name of the network interface, the default is aliased to 'default'
-    :param kwargs: keyword arguments for the command
-    :param loop: EventLoop, used for testing
-    """
+cli_commands = [
+    'm_search',
+    'get_external_ip',
+    'add_port_mapping',
+    'get_port_mapping_by_index',
+    'get_redirects',
+    'get_specific_port_mapping',
+    'delete_port_mapping',
+    'get_next_mapping'
+]
 
 
+def run_cli(method: str, igd_args: Dict[str, Union[bool, str, int]], lan_address: str = '',
+            gateway_address: str = '', timeout: int = 30, interface_name: str = 'default',
+            unicast: bool = True, kwargs: Optional[Dict[str, str]] = None,
+            loop: Optional[asyncio.AbstractEventLoop] = None) -> None:
+
     kwargs = kwargs or {}
     igd_args = igd_args
     timeout = int(timeout)
@@ -287,20 +383,9 @@ def run_cli(method, igd_args: Dict[str, Union[bool, str, int]], lan_address: str
     fut: 'asyncio.Future' = asyncio.Future(loop=loop)
 
     async def wrapper():  # wrap the upnp setup and call of the command in a coroutine
-        cli_commands = [
-            'm_search',
-            'get_external_ip',
-            'add_port_mapping',
-            'get_port_mapping_by_index',
-            'get_redirects',
-            'get_specific_port_mapping',
-            'delete_port_mapping',
-            'get_next_mapping'
-        ]
-
         if method == 'm_search':  # if we're only m_searching don't do any device discovery
             fn = lambda *_a, **_kw: UPnP.m_search(
-                lan_address, gateway_address, timeout, igd_args, unicast, interface_name, loop
+                lan_address, gateway_address, timeout, unicast, interface_name, igd_args, loop
             )
         else:  # automatically discover the gateway
             try:

tests/__init__.py

@@ -16,7 +16,7 @@ except ImportError:
 
 @contextlib.contextmanager
 def mock_tcp_and_udp(loop, udp_expected_addr=None, udp_replies=None, udp_delay_reply=0.0, sent_udp_packets=None,
-                     tcp_replies=None, tcp_delay_reply=0.0, sent_tcp_packets=None):
+                     tcp_replies=None, tcp_delay_reply=0.0, sent_tcp_packets=None, add_potato_datagrams=False):
     sent_udp_packets = sent_udp_packets if sent_udp_packets is not None else []
     udp_replies = udp_replies or {}
 
@@ -28,7 +28,11 @@ def mock_tcp_and_udp(loop, udp_expected_addr=None, udp_replies=None, udp_delay_r
             def _write(data):
                 sent_tcp_packets.append(data)
                 if data in tcp_replies:
-                    loop.call_later(tcp_delay_reply, p.data_received, tcp_replies[data])
+                    reply = tcp_replies[data]
+                    i = 0
+                    while i < len(reply):
+                        loop.call_later(tcp_delay_reply, p.data_received, reply[i:i+100])
+                        i += 100
                     return
                 else:
                     pass
@@ -46,6 +50,11 @@ def mock_tcp_and_udp(loop, udp_expected_addr=None, udp_replies=None, udp_delay_r
         def sendto(p: asyncio.DatagramProtocol):
             def _sendto(data, addr):
                 sent_udp_packets.append(data)
+                loop.call_later(udp_delay_reply, p.datagram_received, data,
+                                (p.bind_address, 1900))
+                if add_potato_datagrams:
+                    loop.call_soon(p.datagram_received, b'potato', ('?.?.?.?', 1900))
+
                 if (data, addr) in udp_replies:
                     loop.call_later(udp_delay_reply, p.datagram_received, udp_replies[(data, addr)],
                                     (udp_expected_addr, 1900))

tests/protocols/test_multicast.py

@@ -1,23 +1,30 @@
 import unittest
-
+from unittest import mock
+import socket
+import struct
 from asyncio import DatagramTransport
 from aioupnp.protocols.multicast import MulticastProtocol
 
 
 class TestMulticast(unittest.TestCase):
-    def test_it(self):
-        class none_socket:
-            sock = None
+    def test_multicast(self):
+        _ttl = None
+        mock_socket = mock.MagicMock(spec=socket.socket)
+        def getsockopt(*_):
+            return _ttl
 
-            def get(self, name, default=None):
-                return default
+        def setsockopt(a, b, ttl: bytes):
+            nonlocal _ttl
+            _ttl, = struct.unpack('b', ttl)
+
+        mock_socket.getsockopt = getsockopt
+        mock_socket.setsockopt = setsockopt
 
         protocol = MulticastProtocol('1.2.3.4', '1.2.3.4')
-        transport = DatagramTransport(none_socket())
-        protocol.set_ttl(1)
-        with self.assertRaises(ValueError):
-            _ = protocol.get_ttl()
+        transport = DatagramTransport()
+        transport._extra = {'socket': mock_socket}
+        self.assertEqual(None, protocol.set_ttl(1))
+        self.assertEqual(0, protocol.get_ttl())
         protocol.connection_made(transport)
-        protocol.set_ttl(1)
-        with self.assertRaises(ValueError):
-            _ = protocol.get_ttl()
+        self.assertEqual(None, protocol.set_ttl(1))
+        self.assertEqual(1, protocol.get_ttl())

tests/protocols/test_ssdp.py

@@ -3,7 +3,7 @@ from aioupnp.fault import UPnPError
 from aioupnp.protocols.m_search_patterns import packet_generator
 from aioupnp.serialization.ssdp import SSDPDatagram
 from aioupnp.constants import SSDP_IP_ADDRESS
-from aioupnp.protocols.ssdp import fuzzy_m_search, m_search
+from aioupnp.protocols.ssdp import fuzzy_m_search, m_search, SSDPProtocol
 from tests import AsyncioTestCase, mock_tcp_and_udp
 
 
@@ -28,6 +28,13 @@ class TestSSDP(AsyncioTestCase):
     ])
     reply_packet = SSDPDatagram("OK", reply_args)
 
+    async def test_transport_not_connected_error(self):
+        try:
+            await SSDPProtocol('', '').m_search('1.2.3.4', 2,  [self.query_packet.as_dict()])
+            self.assertTrue(False)
+        except UPnPError as err:
+            self.assertEqual(str(err), "SSDP transport not connected")
+
     async def test_m_search_reply_unicast(self):
         replies = {
             (self.query_packet.encode().encode(), ("10.0.0.1", 1900)): self.reply_packet.encode().encode()
@@ -80,3 +87,13 @@ class TestSSDP(AsyncioTestCase):
 
         self.assertEqual(reply.encode(), self.reply_packet.encode())
         self.assertEqual(args, self.successful_args)
+
+    async def test_packets_sent_fuzzy_m_search_ignore_invalid_datagram_replies(self):
+        sent = []
+
+        with self.assertRaises(UPnPError):
+            with mock_tcp_and_udp(self.loop, udp_expected_addr="10.0.0.1", sent_udp_packets=sent,
+                                  add_potato_datagrams=True):
+                await fuzzy_m_search("10.0.0.2", "10.0.0.1", 1, self.loop)
+
+        self.assertListEqual(sent, self.byte_packets)

tests/test_cli.py

@@ -21,6 +21,139 @@ m_search_cli_result = """{
 }\n"""
 
 
+m_search_help_msg = """aioupnp [-h] [--debug_logging] m_search [--lan_address=<str>] [--gateway_address=<str>]
+  [--timeout=<int>] [--unicast] [--interface_name=<str>] [--<header key>=<header value>, ...]
+
+Perform a M-SEARCH for a upnp gateway.
+
+:param lan_address: (str) the local interface ipv4 address
+:param gateway_address: (str) the gateway ipv4 address
+:param timeout: (int) m search timeout
+:param unicast: (bool) use unicast
+:param interface_name: (str) name of the network interface
+:param igd_args: (dict) case sensitive M-SEARCH headers. if used all headers to be used must be provided.
+
+:return: {
+    'lan_address': (str) lan address,
+    'gateway_address': (str) gateway address,
+    'm_search_kwargs': (str) equivalent igd_args ,
+    'discover_reply': (dict) SSDP response datagram
+}\n
+"""
+
+expected_usage = """aioupnp [-h] [--debug_logging] [--interface=<interface>] [--gateway_address=<gateway_address>]
+  [--lan_address=<lan_address>] [--timeout=<timeout>] [(--<header_key>=<value>)...]
+
+If m-search headers are provided as keyword arguments all of the headers to be used must be provided,
+in the order they are to be used. For example:
+  aioupnp --HOST=239.255.255.250:1900 --MAN="ssdp:discover" --MX=1 --ST=upnp:rootdevice m_search
+
+Commands:
+  m_search | get_external_ip | add_port_mapping | get_port_mapping_by_index | get_redirects |
+  get_specific_port_mapping | delete_port_mapping | get_next_mapping
+
+For help with a specific command:  aioupnp help <command>
+"""
+
+expected_get_external_ip_usage = """aioupnp [-h] [--debug_logging] get_external_ip
+
+Get the external ip address from the gateway
+
+:return: (str) external ip
+
+"""
+
+expected_add_port_mapping_usage = """aioupnp [-h] [--debug_logging] add_port_mapping [--external_port=<int>] [--protocol=<str>]
+  [--internal_port=<int>] [--lan_address=<str>] [--description=<str>]
+
+Add a new port mapping
+
+:param external_port: (int) external port to map
+:param protocol: (str) UDP | TCP
+:param internal_port: (int) internal port
+:param lan_address: (str) internal lan address
+:param description: (str) mapping description
+:return: None
+
+"""
+
+expected_get_next_mapping_usage = """aioupnp [-h] [--debug_logging] get_next_mapping [--port=<int>] [--protocol=<str>]
+  [--description=<str>] [--internal_port=<typing.Union[int, NoneType]>]
+
+Get a new port mapping. If the requested port is not available, increment until the next free port is mapped
+
+:param port: (int) external port
+:param protocol: (str) UDP | TCP
+:param description: (str) mapping description
+:param internal_port: (int) internal port
+
+:return: (int) mapped port
+
+"""
+
+
+expected_delete_port_mapping_usage = """aioupnp [-h] [--debug_logging] delete_port_mapping [--external_port=<int>] [--protocol=<str>]
+
+Delete a port mapping
+
+:param external_port: (int) port number of mapping
+:param protocol: (str) TCP | UDP
+:return: None
+
+"""
+
+expected_get_specific_port_mapping_usage = """aioupnp [-h] [--debug_logging] get_specific_port_mapping [--external_port=<int>] [--protocol=<str>]
+
+Get information about a port mapping by port number and protocol
+
+:param external_port: (int) port number
+:param protocol: (str) UDP | TCP
+:return: NamedTuple[
+    internal_port: int
+    lan_address: str
+    enabled: bool
+    description: str
+    lease_time: int
+]
+
+"""
+expected_get_redirects_usage = """aioupnp [-h] [--debug_logging] get_redirects
+
+Get information about all mapped ports
+
+:return: List[
+    NamedTuple[
+        gateway_address: str
+        external_port: int
+        protocol: str
+        internal_port: int
+        lan_address: str
+        enabled: bool
+        description: str
+        lease_time: int
+    ]
+]
+
+"""
+expected_get_port_mapping_by_index_usage = """aioupnp [-h] [--debug_logging] get_port_mapping_by_index [--index=<int>]
+
+Get information about a port mapping by index number
+
+:param index: (int) mapping index number
+:return: NamedTuple[
+    gateway_address: str
+    external_port: int
+    protocol: str
+    internal_port: int
+    lan_address: str
+    enabled: bool
+    description: str
+    lease_time: int
+]
+
+"""
+
+
 class TestCLI(AsyncioTestCase):
     gateway_address = "10.0.0.1"
     soap_port = 49152
@@ -101,3 +234,117 @@ class TestCLI(AsyncioTestCase):
                     self.loop
                 )
         self.assertEqual(m_search_cli_result, actual_output.getvalue())
+
+    def test_usage(self):
+        actual_output = StringIO()
+        with contextlib.redirect_stdout(actual_output):
+            main(
+                [None, 'help'],
+                self.loop
+            )
+        self.assertEqual(expected_usage, actual_output.getvalue())
+
+        actual_output = StringIO()
+        with contextlib.redirect_stdout(actual_output):
+            main(
+                [None, 'help', 'test'],
+                self.loop
+            )
+        self.assertEqual(expected_usage, actual_output.getvalue())
+
+        actual_output = StringIO()
+        with contextlib.redirect_stdout(actual_output):
+            main(
+                [None, 'test', 'help'],
+                self.loop
+            )
+        self.assertEqual("aioupnp encountered an error: \"test\" is not a recognized command\n", actual_output.getvalue())
+
+        actual_output = StringIO()
+        with contextlib.redirect_stdout(actual_output):
+            main(
+                [None, 'test'],
+                self.loop
+            )
+        self.assertEqual("aioupnp encountered an error: \"test\" is not a recognized command\n", actual_output.getvalue())
+
+        actual_output = StringIO()
+        with contextlib.redirect_stdout(actual_output):
+            main(
+                [None],
+                self.loop
+            )
+        self.assertEqual(expected_usage, actual_output.getvalue())
+
+        actual_output = StringIO()
+        with contextlib.redirect_stdout(actual_output):
+            main(
+                [None, "--something=test"],
+                self.loop
+            )
+        self.assertEqual("no command given\n" + expected_usage, actual_output.getvalue())
+
+    def test_commands_help(self):
+        actual_output = StringIO()
+        with contextlib.redirect_stdout(actual_output):
+            main(
+                [None, 'help', 'm-search'],
+                self.loop
+            )
+        self.assertEqual(m_search_help_msg, actual_output.getvalue())
+
+        actual_output = StringIO()
+        with contextlib.redirect_stdout(actual_output):
+            main(
+                [None, 'help', 'get-external-ip'],
+                self.loop
+            )
+
+        self.assertEqual(expected_get_external_ip_usage, actual_output.getvalue())
+
+        actual_output = StringIO()
+        with contextlib.redirect_stdout(actual_output):
+            main(
+                [None, 'help', 'add-port-mapping'],
+                self.loop
+            )
+        self.assertEqual(expected_add_port_mapping_usage, actual_output.getvalue())
+        actual_output = StringIO()
+        with contextlib.redirect_stdout(actual_output):
+            main(
+                [None, 'help', 'get-next-mapping'],
+                self.loop
+            )
+        self.assertEqual(expected_get_next_mapping_usage, actual_output.getvalue())
+
+        actual_output = StringIO()
+        with contextlib.redirect_stdout(actual_output):
+            main(
+                [None, 'help', 'delete_port_mapping'],
+                self.loop
+            )
+        self.assertEqual(expected_delete_port_mapping_usage, actual_output.getvalue())
+
+        actual_output = StringIO()
+        with contextlib.redirect_stdout(actual_output):
+            main(
+                [None, 'help', 'get_specific_port_mapping'],
+                self.loop
+            )
+        self.assertEqual(expected_get_specific_port_mapping_usage, actual_output.getvalue())
+
+        actual_output = StringIO()
+        with contextlib.redirect_stdout(actual_output):
+            main(
+                [None, 'help', 'get_redirects'],
+                self.loop
+            )
+        self.assertEqual(expected_get_redirects_usage, actual_output.getvalue())
+
+        actual_output = StringIO()
+        with contextlib.redirect_stdout(actual_output):
+            main(
+                [None, 'help', 'get_port_mapping_by_index'],
+                self.loop
+            )
+        self.assertEqual(expected_get_port_mapping_by_index_usage, actual_output.getvalue())

tests/test_upnp.py

@@ -4,17 +4,7 @@ from aioupnp.upnp import UPnP
 from aioupnp.fault import UPnPError
 from aioupnp.gateway import Gateway
 from aioupnp.serialization.ssdp import SSDPDatagram
-
-
-class TestGetAnnotations(AsyncioTestCase):
-    def test_get_annotations(self):
-        expected = {
-            'NewRemoteHost': str, 'NewExternalPort': int, 'NewProtocol': str, 'NewInternalPort': int,
-            'NewInternalClient': str, 'NewEnabled': int, 'NewPortMappingDescription': str,
-            'NewLeaseDuration': str, 'return': None
-        }
-
-        self.assertDictEqual(expected, UPnP.get_annotations('AddPortMapping'))
+from aioupnp.commands import GetSpecificPortMappingEntryResponse, GetGenericPortMappingEntryResponse
 
 
 class UPnPCommandTestCase(AsyncioTestCase):
@@ -76,7 +66,8 @@ class TestGetGenericPortMappingEntry(UPnPCommandTestCase):
             await gateway.discover_commands(self.loop)
             upnp = UPnP(self.client_address, self.gateway_address, gateway)
             result = await upnp.get_port_mapping_by_index(0)
-            self.assertEqual((None, 9308, 'UDP', 9308, "11.2.3.44", True, "11.2.3.44:9308 to 9308 (UDP)", 0), result)
+            self.assertEqual(GetGenericPortMappingEntryResponse(None, 9308, 'UDP', 9308, "11.2.3.44", True,
+                                                                "11.2.3.44:9308 to 9308 (UDP)", 0), result)
 
 
 class TestGetNextPortMapping(UPnPCommandTestCase):
@@ -120,6 +111,9 @@ class TestGetSpecificPortMapping(UPnPCommandTestCase):
                 await upnp.get_specific_port_mapping(1000, 'UDP')
             except UPnPError:
                 result = await upnp.get_specific_port_mapping(9308, 'UDP')
-                self.assertEqual((9308, '11.2.3.55', True, '11.2.3.55:9308 to 9308 (UDP)', 0), result)
+                self.assertEqual(
+                    GetSpecificPortMappingEntryResponse(9308, '11.2.3.55', True, '11.2.3.55:9308 to 9308 (UDP)', 0),
+                    result
+                )
             else:
                 self.assertTrue(False)