openlp/tests/openlp_core/api/test_websockets.py

248 lines
10 KiB
Python

# -*- coding: utf-8 -*-
##########################################################################
# OpenLP - Open Source Lyrics Projection #
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# Copyright (c) 2008-2022 OpenLP Developers #
# ---------------------------------------------------------------------- #
# This program 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. #
# #
# This program 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. #
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# along with this program. If not, see <https://www.gnu.org/licenses/>. #
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"""
Functional tests to test the Http Server Class.
"""
import pytest
from unittest.mock import MagicMock, patch
from openlp.core.api.websocketspoll import WebSocketPoller
from openlp.core.api.websockets import WebSocketWorker, WebSocketServer
from openlp.core.common.registry import Registry
@pytest.fixture
def poller(settings):
poll = WebSocketPoller()
yield poll
@pytest.fixture
def worker(settings):
worker = WebSocketWorker()
yield worker
@patch('openlp.core.api.websockets.WebSocketWorker')
@patch('openlp.core.api.websockets.run_thread')
def test_serverstart(mocked_run_thread, MockWebSocketWorker, registry):
"""
Test the starting of the WebSockets Server with the disabled flag set off
"""
# GIVEN: A new WebSocketServer
Registry().set_flag('no_web_server', False)
server = WebSocketServer()
# WHEN: I start the server
server.start()
# THEN: the api environment should have been created
assert mocked_run_thread.call_count == 1, 'The qthread should have been called once'
assert MockWebSocketWorker.call_count == 1, 'The http thread should have been called once'
@patch('openlp.core.api.websockets.WebSocketWorker')
@patch('openlp.core.api.websockets.run_thread')
def test_serverstart_not_required(mocked_run_thread, MockWebSocketWorker, registry):
"""
Test the starting of the WebSockets Server with the disabled flag set on
"""
# GIVEN: A new WebSocketServer and the server is not required
Registry().set_flag('no_web_server', True)
server = WebSocketServer()
# WHEN: I start the server
server.start()
# THEN: the api environment should have not been created
assert mocked_run_thread.call_count == 0, 'The qthread should not have been called'
assert MockWebSocketWorker.call_count == 0, 'The http thread should not have been called'
def test_poller_get_state(poller, settings):
"""
Test the get_state function returns the correct JSON
"""
# GIVEN: the system is configured with a set of data
mocked_service_manager = MagicMock()
mocked_service_manager.service_id = 21
mocked_live_controller = MagicMock()
mocked_live_controller.selected_row = 5
mocked_live_controller.service_item = MagicMock()
mocked_live_controller.service_item.unique_identifier = '23-34-45'
mocked_live_controller.blank_screen.isChecked.return_value = True
mocked_live_controller.theme_screen.isChecked.return_value = False
mocked_live_controller.desktop_screen.isChecked.return_value = False
Registry().register('live_controller', mocked_live_controller)
Registry().register('service_manager', mocked_service_manager)
# WHEN: The poller polls
poll_json = poller.get_state()
# THEN: the live json should be generated and match expected results
assert poll_json['results']['blank'] is True, 'The blank return value should be True'
assert poll_json['results']['theme'] is False, 'The theme return value should be False'
assert poll_json['results']['display'] is False, 'The display return value should be False'
assert poll_json['results']['isSecure'] is False, 'The isSecure return value should be False'
assert poll_json['results']['twelve'] is True, 'The twelve return value should be True'
assert poll_json['results']['version'] == 3, 'The version return value should be 3'
assert poll_json['results']['slide'] == 5, 'The slide return value should be 5'
assert poll_json['results']['service'] == 21, 'The version return value should be 21'
assert poll_json['results']['item'] == '23-34-45', 'The item return value should match 23-34-45'
@patch('openlp.core.api.websockets.serve')
@patch('openlp.core.api.websockets.asyncio')
@patch('openlp.core.api.websockets.log')
def test_worker_start(mocked_log, mocked_asyncio, mocked_serve, worker, settings):
"""
Test the start function of the worker
"""
# GIVEN: A mocked serve function and event loop
mocked_serve.return_value = 'server_thing'
event_loop = MagicMock()
mocked_asyncio.new_event_loop.return_value = event_loop
# WHEN: The start function is called
worker.start()
# THEN: No error occurs
mocked_serve.assert_called_once()
event_loop.run_until_complete.assert_called_once_with('server_thing')
event_loop.run_forever.assert_called_once_with()
mocked_log.exception.assert_not_called()
# Because run_forever is mocked, it doesn't stall the thread so close will be called immediately
event_loop.close.assert_called_once_with()
@patch('openlp.core.api.websockets.serve')
@patch('openlp.core.api.websockets.asyncio')
@patch('openlp.core.api.websockets.log')
def test_worker_start_fail(mocked_log, mocked_asyncio, mocked_serve, worker, settings):
"""
Test the start function of the worker handles a error nicely
"""
# GIVEN: A mocked serve function and event loop. run_until_complete returns a error
mocked_serve.return_value = 'server_thing'
event_loop = MagicMock()
mocked_asyncio.new_event_loop.return_value = event_loop
event_loop.run_until_complete.side_effect = Exception()
# WHEN: The start function is called
worker.start()
# THEN: An exception is logged but is handled and the event_loop is closed
mocked_serve.assert_called_once()
event_loop.run_until_complete.assert_called_once_with('server_thing')
event_loop.run_forever.assert_not_called()
mocked_log.exception.assert_called_once()
event_loop.close.assert_called_once_with()
def test_poller_event_attach(poller, settings):
"""
Test the event attach of WebSocketPoller
"""
# GIVEN: A mocked live_controlled, a mocked slide_controller and mocked change signals
servicemanager_changed_connect = MagicMock()
service_manager = MagicMock()
service_manager.servicemanager_changed = MagicMock()
service_manager.servicemanager_changed.connect = servicemanager_changed_connect
poller._service_manager = service_manager
live_controller = MagicMock()
slidecontroller_changed_connect = MagicMock()
live_controller.slidecontroller_changed = MagicMock()
live_controller.slidecontroller_changed.connect = slidecontroller_changed_connect
poller._live_controller = live_controller
# WHEN: the hook_signals function is called
poller.hook_signals()
# THEN: service_manager and live_controller changed signals should be connected
servicemanager_changed_connect.assert_called_once()
slidecontroller_changed_connect.assert_called_once()
def test_poller_on_change_emit(poller, settings):
"""
Test the change event emission of WebSocketPoller
"""
# GIVEN: A mocked changed signal and create_state function
poller_changed_emit = MagicMock()
poller.create_state = MagicMock(return_value={})
poller.poller_changed = MagicMock()
poller.poller_changed.emit = poller_changed_emit
# WHEN: The on_signal_received function is called
poller.on_signal_received()
# THEN: poller_changed signal should be emitted once
poller_changed_emit.assert_called_once()
def test_poller_get_state_is_never_none(poller):
"""
Test the get_state call never returns None
"""
# GIVEN: A mocked poller create_state
poller.create_state = MagicMock(return_value={"key1": "2"})
# WHEN: poller.get_state is called
state = poller.get_state()
# THEN: state is not None
assert state is not None, 'get_state() return should not be None'
@patch('openlp.core.api.websockets.poller')
@patch('openlp.core.api.websockets.run_thread')
def test_websocket_server_connects_to_poller(mock_run_thread, mock_poller, settings):
"""
Test if the websocket_server connects to WebSocketPoller
"""
# GIVEN: A mocked poller signal and a server
Registry().set_flag('no_web_server', False)
mock_poller.poller_changed = MagicMock()
mock_poller.poller_changed.connect = MagicMock()
server = WebSocketServer()
server.handle_poller_signal = MagicMock()
# WHEN: WebSocketServer is started
server.start()
# THEN: poller_changed should be connected with WebSocketServer and correct handler
mock_poller.poller_changed.connect.assert_called_once_with(server.handle_poller_signal)
@patch('openlp.core.api.websockets.poller')
@patch('openlp.core.api.websockets.WebSocketWorker.add_state_to_queues')
@patch('openlp.core.api.websockets.run_thread')
def test_websocket_worker_register_connections(mock_run_thread, mock_add_state_to_queues, mock_poller, settings):
"""
Test if the websocket_server can receive poller signals
"""
# GIVEN: A mocked poller create_state, a mocked server and a mocked worker
mock_state = {"key1": "2"}
mock_poller.get_state.return_value = mock_state
Registry().set_flag('no_web_server', False)
server = WebSocketServer()
server.start()
# WHEN: server.handle_poller_signal is called
server.handle_poller_signal()
# THEN: WebSocketWorker state notify function should be called
mock_add_state_to_queues.assert_called_once_with(mock_state)