forked from openlp/openlp
90 lines
4.4 KiB
Python
90 lines
4.4 KiB
Python
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# -*- coding: utf-8 -*-
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# vim: autoindent shiftwidth=4 expandtab textwidth=120 tabstop=4 softtabstop=4
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###############################################################################
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# OpenLP - Open Source Lyrics Projection #
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# --------------------------------------------------------------------------- #
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# Copyright (c) 2008-2017 OpenLP Developers #
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# --------------------------------------------------------------------------- #
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# This program is free software; you can redistribute it and/or modify it #
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# under the terms of the GNU General Public License as published by the Free #
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# Software Foundation; version 2 of the License. #
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# #
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# This program is distributed in the hope that it will be useful, but WITHOUT #
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or #
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for #
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# more details. #
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# #
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# You should have received a copy of the GNU General Public License along #
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# with this program; if not, write to the Free Software Foundation, Inc., 59 #
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# Temple Place, Suite 330, Boston, MA 02111-1307 USA #
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###############################################################################
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"""
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Package to test the openlp.core.threading package.
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"""
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from unittest.mock import MagicMock, call, patch
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from openlp.core.version import run_thread
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def test_run_thread_no_name():
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"""
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Test that trying to run a thread without a name results in an exception being thrown
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"""
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# GIVEN: A fake worker
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# WHEN: run_thread() is called without a name
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try:
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run_thread(MagicMock(), '')
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assert False, 'A ValueError should have been thrown to prevent blank names'
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except ValueError:
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# THEN: A ValueError should have been thrown
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assert True, 'A ValueError was correctly thrown'
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@patch('openlp.core.threading.Registry')
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def test_run_thread_exists(MockRegistry):
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"""
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Test that trying to run a thread with a name that already exists will throw a KeyError
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"""
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# GIVEN: A mocked registry with a main window object
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mocked_main_window = MagicMock()
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mocked_main_window.threads = {'test_thread': MagicMock()}
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MockRegistry.return_value.get.return_value = mocked_main_window
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# WHEN: run_thread() is called
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try:
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run_thread(MagicMock(), 'test_thread')
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assert False, 'A KeyError should have been thrown to show that a thread with this name already exists'
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except KeyError:
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assert True, 'A KeyError was correctly thrown'
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@patch('openlp.core.threading.QtCore.QThread')
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@patch('openlp.core.threading.Registry')
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def test_run_thread(MockRegistry, MockQThread):
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"""
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Test that running a thread works correctly
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"""
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# GIVEN: A mocked registry with a main window object
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mocked_main_window = MagicMock()
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mocked_main_window.threads = {}
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MockRegistry.return_value.get.return_value = mocked_main_window
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# WHEN: run_thread() is called
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run_thread(MagicMock(), 'test_thread')
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# THEN: The thread should be in the threads list and the correct methods should have been called
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assert len(mocked_main_window.threads.keys()) == 1, 'There should be 1 item in the list of threads'
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assert list(mocked_main_window.threads.keys()) == ['test_thread'], 'The test_thread item should be in the list'
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mocked_worker = mocked_main_window.threads['test_thread']['worker']
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mocked_thread = mocked_main_window.threads['test_thread']['thread']
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mocked_worker.moveToThread.assert_called_once_with(mocked_thread)
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mocked_thread.started.connect.assert_called_once_with(mocked_worker.start)
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expected_quit_calls = [call(mocked_thread.quit), call(mocked_worker.deleteLater)]
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assert mocked_worker.quit.connect.call_args_list == expected_quit_calls, \
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'The workers quit signal should be connected twice'
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assert mocked_thread.finished.connect.call_args_list[0] == call(mocked_thread.deleteLater), \
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'The threads finished signal should be connected to its deleteLater slot'
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assert mocked_thread.finished.connect.call_count == 2, 'The signal should have been connected twice'
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mocked_thread.start.assert_called_once_with()
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