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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# input-remapper - GUI for device specific keyboard mappings
# Copyright (C) 2025 sezanzeb <b8x45ygc9@mozmail.com>
#
# This file is part of input-remapper.
#
# input-remapper is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# input-remapper is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with input-remapper. If not, see <https://www.gnu.org/licenses/>.
import unittest
from dataclasses import dataclass
from inputremapper.gui.messages.message_broker import MessageBroker, MessageType, Signal
from tests.lib.test_setup import test_setup
class Listener:
def __init__(self):
self.calls = []
def __call__(self, data):
self.calls.append(data)
@dataclass
class Message:
message_type: MessageType
msg: str
@test_setup
class TestMessageBroker(unittest.TestCase):
def test_calls_listeners(self):
"""The correct Listeners get called"""
message_broker = MessageBroker()
listener = Listener()
message_broker.subscribe(MessageType.test1, listener)
message_broker.publish(Message(MessageType.test1, "foo"))
message_broker.publish(Message(MessageType.test2, "bar"))
self.assertEqual(listener.calls[0], Message(MessageType.test1, "foo"))
def test_unsubscribe(self):
message_broker = MessageBroker()
listener = Listener()
message_broker.subscribe(MessageType.test1, listener)
message_broker.publish(Message(MessageType.test1, "a"))
message_broker.unsubscribe(listener)
message_broker.publish(Message(MessageType.test1, "b"))
self.assertEqual(len(listener.calls), 1)
self.assertEqual(listener.calls[0], Message(MessageType.test1, "a"))
def test_unsubscribe_unknown_listener(self):
"""nothing happens if we unsubscribe an unknown listener"""
message_broker = MessageBroker()
listener1 = Listener()
listener2 = Listener()
message_broker.subscribe(MessageType.test1, listener1)
message_broker.unsubscribe(listener2)
message_broker.publish(Message(MessageType.test1, "a"))
self.assertEqual(listener1.calls[0], Message(MessageType.test1, "a"))
def test_preserves_order(self):
message_broker = MessageBroker()
calls = []
def listener1(_):
message_broker.publish(Message(MessageType.test2, "f"))
calls.append(1)
def listener2(_):
message_broker.publish(Message(MessageType.test2, "f"))
calls.append(2)
def listener3(_):
message_broker.publish(Message(MessageType.test2, "f"))
calls.append(3)
def listener4(_):
calls.append(4)
message_broker.subscribe(MessageType.test1, listener1)
message_broker.subscribe(MessageType.test1, listener2)
message_broker.subscribe(MessageType.test1, listener3)
message_broker.subscribe(MessageType.test2, listener4)
message_broker.publish(Message(MessageType.test1, ""))
first = calls[:3]
first.sort()
self.assertEqual([1, 2, 3], first)
self.assertEqual([4, 4, 4], calls[3:])
@test_setup
class TestSignal(unittest.TestCase):
def test_eq(self):
self.assertEqual(Signal(MessageType.uinputs), Signal(MessageType.uinputs))
self.assertNotEqual(Signal(MessageType.uinputs), Signal(MessageType.groups))
self.assertNotEqual(Signal(MessageType.uinputs), "Signal: MessageType.uinputs")
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