openlp/tests/openlp_core/lib/test_pluginmanager.py

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# -*- coding: utf-8 -*-
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##########################################################################
# OpenLP - Open Source Lyrics Projection #
# ---------------------------------------------------------------------- #
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# Copyright (c) 2008-2021 OpenLP Developers #
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# ---------------------------------------------------------------------- #
# 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. #
# #
# You should have received a copy of the GNU General Public License #
# along with this program. If not, see <https://www.gnu.org/licenses/>. #
##########################################################################
"""
Package to test the openlp.core.lib.pluginmanager package.
"""
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import shutil
import sys
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import pytest
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from pathlib import Path
from tempfile import mkdtemp
from unittest import TestCase, skip
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from unittest.mock import MagicMock, patch
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from PyQt5 import QtWidgets
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from openlp.core.state import State
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from openlp.core.common import is_win
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from openlp.core.common.registry import Registry
from openlp.core.common.settings import Settings
from openlp.core.lib.plugin import PluginStatus
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from openlp.core.lib.pluginmanager import PluginManager
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from tests.helpers.testmixin import TestMixin
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@pytest.fixture()
def plugin_manager_env(registry, state):
mocked_main_window = MagicMock()
mocked_main_window.file_import_menu.return_value = None
mocked_main_window.file_export_menu.return_value = None
mocked_main_window.file_export_menu.return_value = None
mocked_settings_form = MagicMock()
Registry().register('service_list', MagicMock())
Registry().register('main_window', mocked_main_window)
Registry().register('settings_form', mocked_settings_form)
Registry().register('settings', MagicMock())
def test_bootstrap_initialise(settings, state):
"""
Test the PluginManager.bootstrap_initialise() method
"""
# GIVEN: A plugin manager with some mocked out methods
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State().add_service('mediacontroller', 0)
State().update_pre_conditions('mediacontroller', True)
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manager = PluginManager()
with patch.object(manager, 'hook_settings_tabs') as mocked_hook_settings_tabs, \
patch.object(manager, 'hook_media_manager') as mocked_hook_media_manager, \
patch.object(manager, 'hook_import_menu') as mocked_hook_import_menu, \
patch.object(manager, 'hook_export_menu') as mocked_hook_export_menu, \
patch.object(manager, 'hook_tools_menu') as mocked_hook_tools_menu, \
patch.object(manager, 'initialise_plugins') as mocked_initialise_plugins:
# WHEN: bootstrap_initialise() is called
manager.bootstrap_initialise()
manager.bootstrap_post_set_up()
# THEN: The hook methods should have been called
mocked_hook_settings_tabs.assert_called_with()
mocked_hook_media_manager.assert_called_with()
mocked_hook_import_menu.assert_called_with()
mocked_hook_export_menu.assert_called_with()
mocked_hook_tools_menu.assert_called_with()
mocked_initialise_plugins.assert_called_with()
def test_hook_media_manager_with_disabled_plugin(registry, state):
"""
Test running the hook_media_manager() method with a disabled plugin
"""
# GIVEN: A PluginManager instance and a list with a mocked up plugin whose status is set to Disabled
mocked_plugin = MagicMock()
mocked_plugin.status = PluginStatus.Disabled
plugin_manager = PluginManager()
Registry().register('mock_plugin', mocked_plugin)
State().add_service("mock", 1, is_plugin=True, status=PluginStatus.Disabled)
State().flush_preconditions()
# WHEN: We run hook_media_manager()
plugin_manager.hook_media_manager()
# THEN: The create_media_manager_item() method should have been called
assert 0 == mocked_plugin.create_media_manager_item.call_count, \
'The create_media_manager_item() method should not have been called.'
def test_hook_media_manager_with_active_plugin(registry, state):
"""
Test running the hook_media_manager() method with an active plugin
"""
# GIVEN: A PluginManager instance and a list with a mocked up plugin whose status is set to Active
mocked_plugin = MagicMock()
mocked_plugin.status = PluginStatus.Active
plugin_manager = PluginManager()
Registry().register('mock_plugin', mocked_plugin)
State().add_service("mock", 1, is_plugin=True, status=PluginStatus.Active)
State().flush_preconditions()
# WHEN: We run hook_media_manager()
plugin_manager.hook_media_manager()
# THEN: The create_media_manager_item() method should have been called
mocked_plugin.create_media_manager_item.assert_called_with()
def test_hook_settings_tabs_with_disabled_plugin_and_no_form(registry, state):
"""
Test running the hook_settings_tabs() method with a disabled plugin and no form
"""
# GIVEN: A PluginManager instance and a list with a mocked up plugin whose status is set to Disabled
mocked_plugin = MagicMock()
mocked_plugin.status = PluginStatus.Disabled
plugin_manager = PluginManager()
Registry().register('mock_plugin', mocked_plugin)
State().add_service("mock", 1, is_plugin=True, status=PluginStatus.Active)
State().flush_preconditions()
# WHEN: We run hook_settings_tabs()
plugin_manager.hook_settings_tabs()
# THEN: The hook_settings_tabs() method should have been called
assert 0 == mocked_plugin.create_media_manager_item.call_count, \
'The create_media_manager_item() method should not have been called.'
def test_hook_settings_tabs_with_disabled_plugin_and_mocked_form(registry, state):
"""
Test running the hook_settings_tabs() method with a disabled plugin and a mocked form
"""
# GIVEN: A PluginManager instance and a list with a mocked up plugin whose status is set to Disabled
mocked_plugin = MagicMock()
mocked_plugin.status = PluginStatus.Disabled
plugin_manager = PluginManager()
Registry().register('mock_plugin', mocked_plugin)
mocked_settings_form = MagicMock()
# Replace the autoloaded plugin with the version for testing in real code this would error
mocked_settings_form.plugin_manager = plugin_manager
State().add_service("mock", 1, is_plugin=True, status=PluginStatus.Active)
State().flush_preconditions()
# WHEN: We run hook_settings_tabs()
plugin_manager.hook_settings_tabs()
# THEN: The create_settings_tab() method should not have been called, but the plugins lists should be the same
assert 0 == mocked_plugin.create_settings_tab.call_count, \
'The create_media_manager_item() method should not have been called.'
def test_hook_settings_tabs_with_active_plugin_and_mocked_form(registry, state):
"""
Test running the hook_settings_tabs() method with an active plugin and a mocked settings form
"""
# GIVEN: A PluginManager instance and a list with a mocked up plugin whose status is set to Active
mocked_plugin = MagicMock()
mocked_plugin.status = PluginStatus.Active
plugin_manager = PluginManager()
Registry().register('mock_plugin', mocked_plugin)
mocked_settings_form = MagicMock()
# Replace the autoloaded plugin with the version for testing in real code this would error
mocked_settings_form.plugin_manager = plugin_manager
State().add_service("mock", 1, is_plugin=True, status=PluginStatus.Active)
State().flush_preconditions()
# WHEN: We run hook_settings_tabs()
plugin_manager.hook_settings_tabs()
# THEN: The create_media_manager_item() method should have been called with the mocked settings form
assert 1 == mocked_plugin.create_settings_tab.call_count, \
'The create_media_manager_item() method should have been called once.'
def test_hook_settings_tabs_with_active_plugin_and_no_form(plugin_manager_env):
"""
Test running the hook_settings_tabs() method with an active plugin and no settings form
"""
# GIVEN: A PluginManager instance and a list with a mocked up plugin whose status is set to Active
mocked_plugin = MagicMock()
mocked_plugin.status = PluginStatus.Active
plugin_manager = PluginManager()
Registry().register('mock_plugin', mocked_plugin)
State().add_service("mock", 1, is_plugin=True, status=PluginStatus.Active)
State().flush_preconditions()
# WHEN: We run hook_settings_tabs()
plugin_manager.hook_settings_tabs()
# THEN: The create_settings_tab() method should have been called
mocked_plugin.create_settings_tab.assert_called_with(Registry().get('settings_form'))
def test_hook_import_menu_with_disabled_plugin(registry, state):
"""
Test running the hook_import_menu() method with a disabled plugin
"""
# GIVEN: A PluginManager instance and a list with a mocked up plugin whose status is set to Disabled
mocked_plugin = MagicMock()
mocked_plugin.status = PluginStatus.Disabled
plugin_manager = PluginManager()
Registry().register('mock_plugin', mocked_plugin)
State().add_service("mock", 1, is_plugin=True, status=PluginStatus.Active)
State().flush_preconditions()
# WHEN: We run hook_import_menu()
plugin_manager.hook_import_menu()
# THEN: The create_media_manager_item() method should have been called
assert 0 == mocked_plugin.add_import_menu_item.call_count, \
'The add_import_menu_item() method should not have been called.'
def test_hook_import_menu_with_active_plugin(plugin_manager_env):
"""
Test running the hook_import_menu() method with an active plugin
"""
# GIVEN: A PluginManager instance and a list with a mocked up plugin whose status is set to Active
mocked_plugin = MagicMock()
mocked_plugin.status = PluginStatus.Active
plugin_manager = PluginManager()
Registry().register('mock_plugin', mocked_plugin)
State().add_service("mock", 1, is_plugin=True, status=PluginStatus.Active)
State().flush_preconditions()
# WHEN: We run hook_import_menu()
plugin_manager.hook_import_menu()
# THEN: The add_import_menu_item() method should have been called
mocked_plugin.add_import_menu_item.assert_called_with(Registry().get('main_window').file_import_menu)
def test_hook_export_menu_with_disabled_plugin(registry, state):
"""
Test running the hook_export_menu() method with a disabled plugin
"""
# GIVEN: A PluginManager instance and a list with a mocked up plugin whose status is set to Disabled
mocked_plugin = MagicMock()
mocked_plugin.status = PluginStatus.Disabled
plugin_manager = PluginManager()
Registry().register('mock_plugin', mocked_plugin)
State().add_service("mock", 1, is_plugin=True, status=PluginStatus.Active)
State().flush_preconditions()
# WHEN: We run hook_export_menu()
plugin_manager.hook_export_menu()
# THEN: The add_export_menu_item() method should not have been called
assert 0 == mocked_plugin.add_export_menu_item.call_count, \
'The add_export_menu_item() method should not have been called.'
def test_hook_export_menu_with_active_plugin(plugin_manager_env):
"""
Test running the hook_export_menu() method with an active plugin
"""
# GIVEN: A PluginManager instance and a list with a mocked up plugin whose status is set to Active
mocked_plugin = MagicMock()
mocked_plugin.status = PluginStatus.Active
plugin_manager = PluginManager()
Registry().register('mock_plugin', mocked_plugin)
State().add_service("mock", 1, is_plugin=True, status=PluginStatus.Active)
State().flush_preconditions()
# WHEN: We run hook_export_menu()
plugin_manager.hook_export_menu()
# THEN: The add_export_menu_item() method should have been called
mocked_plugin.add_export_menu_item.assert_called_with(Registry().get('main_window').file_export_menu)
def test_hook_upgrade_plugin_settings_with_disabled_plugin(registry, state):
"""
Test running the hook_upgrade_plugin_settings() method with a disabled plugin
"""
# GIVEN: A PluginManager instance and a list with a mocked up plugin whose status is set to Disabled
mocked_plugin = MagicMock()
mocked_plugin.status = PluginStatus.Disabled
plugin_manager = PluginManager()
Registry().register('mock_plugin', mocked_plugin)
State().add_service("mock", 1, is_plugin=True, status=PluginStatus.Active)
State().flush_preconditions()
settings = Settings()
# WHEN: We run hook_upgrade_plugin_settings()
plugin_manager.hook_upgrade_plugin_settings(settings)
# THEN: The upgrade_settings() method should not have been called
assert 0 == mocked_plugin.upgrade_settings.call_count, \
'The upgrade_settings() method should not have been called.'
def test_hook_upgrade_plugin_settings_with_active_plugin(registry, state):
"""
Test running the hook_upgrade_plugin_settings() method with an active plugin
"""
# GIVEN: A PluginManager instance and a list with a mocked up plugin whose status is set to Active
mocked_plugin = MagicMock()
mocked_plugin.status = PluginStatus.Active
plugin_manager = PluginManager()
Registry().register('mock_plugin', mocked_plugin)
State().add_service("mock", 1, is_plugin=True, status=PluginStatus.Active)
State().flush_preconditions()
settings = Settings()
# WHEN: We run hook_upgrade_plugin_settings()
plugin_manager.hook_upgrade_plugin_settings(settings)
# THEN: The add_export_menu_item() method should have been called
mocked_plugin.upgrade_settings.assert_called_with(settings)
def test_hook_tools_menu_with_disabled_plugin(registry, state):
"""
Test running the hook_tools_menu() method with a disabled plugin
"""
# GIVEN: A PluginManager instance and a list with a mocked up plugin whose status is set to Disabled
mocked_plugin = MagicMock()
mocked_plugin.status = PluginStatus.Disabled
plugin_manager = PluginManager()
Registry().register('mock_plugin', mocked_plugin)
State().add_service("mock", 1, is_plugin=True, status=PluginStatus.Active)
State().flush_preconditions()
# WHEN: We run hook_tools_menu()
plugin_manager.hook_tools_menu()
# THEN: The add_tools_menu_item() method should have been called
assert 0 == mocked_plugin.add_tools_menu_item.call_count, \
'The add_tools_menu_item() method should not have been called.'
def test_hook_tools_menu_with_active_plugin(plugin_manager_env):
"""
Test running the hook_tools_menu() method with an active plugin
"""
# GIVEN: A PluginManager instance and a list with a mocked up plugin whose status is set to Active
mocked_plugin = MagicMock()
mocked_plugin.status = PluginStatus.Active
plugin_manager = PluginManager()
Registry().register('mock_plugin', mocked_plugin)
State().add_service("mock", 1, is_plugin=True, status=PluginStatus.Active)
State().flush_preconditions()
# WHEN: We run hook_tools_menu()
plugin_manager.hook_tools_menu()
# THEN: The add_tools_menu_item() method should have been called
mocked_plugin.add_tools_menu_item.assert_called_with(Registry().get('main_window').tools_menu)
def test_initialise_plugins_with_disabled_plugin(registry, state):
"""
Test running the initialise_plugins() method with a disabled plugin
"""
# GIVEN: A PluginManager instance and a list with a mocked up plugin whose status is set to Disabled
mocked_plugin = MagicMock()
mocked_plugin.status = PluginStatus.Disabled
mocked_plugin.is_active.return_value = False
plugin_manager = PluginManager()
Registry().register('mock_plugin', mocked_plugin)
State().add_service("mock", 1, is_plugin=True, status=PluginStatus.Active)
State().flush_preconditions()
# WHEN: We run initialise_plugins()
plugin_manager.initialise_plugins()
# THEN: The is_active() method should have been called, and initialise() method should NOT have been called
mocked_plugin.is_active.assert_called_with()
assert 0 == mocked_plugin.initialise.call_count, 'The initialise() method should not have been called.'
def test_initialise_plugins_with_active_plugin(registry, state):
"""
Test running the initialise_plugins() method with an active plugin
"""
# GIVEN: A PluginManager instance and a list with a mocked up plugin whose status is set to Active
mocked_plugin = MagicMock()
mocked_plugin.status = PluginStatus.Active
mocked_plugin.is_active.return_value = True
plugin_manager = PluginManager()
Registry().register('mock_plugin', mocked_plugin)
State().add_service("mock", 1, is_plugin=True, status=PluginStatus.Active)
State().flush_preconditions()
# WHEN: We run initialise_plugins()
plugin_manager.initialise_plugins()
# THEN: The is_active() and initialise() methods should have been called
mocked_plugin.is_active.assert_called_with()
mocked_plugin.initialise.assert_called_with()
def test_finalise_plugins_with_disabled_plugin(registry, state):
"""
Test running the finalise_plugins() method with a disabled plugin
"""
# GIVEN: A PluginManager instance and a list with a mocked up plugin whose status is set to Disabled
mocked_plugin = MagicMock()
mocked_plugin.status = PluginStatus.Disabled
mocked_plugin.is_active.return_value = False
plugin_manager = PluginManager()
Registry().register('mock_plugin', mocked_plugin)
State().add_service("mock", 1, is_plugin=True, status=PluginStatus.Active)
State().flush_preconditions()
# WHEN: We run finalise_plugins()
plugin_manager.finalise_plugins()
# THEN: The is_active() method should have been called, and initialise() method should NOT have been called
mocked_plugin.is_active.assert_called_with()
assert 0 == mocked_plugin.finalise.call_count, 'The finalise() method should not have been called.'
def test_finalise_plugins_with_active_plugin(registry, state):
"""
Test running the finalise_plugins() method with an active plugin
"""
# GIVEN: A PluginManager instance and a list with a mocked up plugin whose status is set to Active
mocked_plugin = MagicMock()
mocked_plugin.status = PluginStatus.Active
mocked_plugin.is_active.return_value = True
plugin_manager = PluginManager()
Registry().register('mock_plugin', mocked_plugin)
State().add_service("mock", 1, is_plugin=True, status=PluginStatus.Active)
State().flush_preconditions()
# WHEN: We run finalise_plugins()
plugin_manager.finalise_plugins()
# THEN: The is_active() and finalise() methods should have been called
mocked_plugin.is_active.assert_called_with()
mocked_plugin.finalise.assert_called_with()
def test_get_plugin_by_name_does_not_exist(registry, state):
"""
Test running the get_plugin_by_name() method to find a plugin that does not exist
"""
# GIVEN: A PluginManager instance and a list with a mocked up plugin whose status is set to Active
mocked_plugin = MagicMock()
mocked_plugin.name = 'Mocked Plugin'
plugin_manager = PluginManager()
Registry().register('mock_plugin', mocked_plugin)
State().add_service("mock", 1, is_plugin=True, status=PluginStatus.Active)
State().flush_preconditions()
# WHEN: We run finalise_plugins()
result = plugin_manager.get_plugin_by_name('Missing Plugin')
# THEN: The is_active() and finalise() methods should have been called
assert result is None, 'The result for get_plugin_by_name should be None'
def test_get_plugin_by_name_exists(registry, state):
"""
Test running the get_plugin_by_name() method to find a plugin that exists
"""
# GIVEN: A PluginManager instance and a list with a mocked up plugin whose status is set to Active
mocked_plugin = MagicMock()
mocked_plugin.name = 'Mocked Plugin'
plugin_manager = PluginManager()
Registry().register('mock_plugin', mocked_plugin)
State().add_service("mock", 1, is_plugin=True, status=PluginStatus.Active)
State().flush_preconditions()
# WHEN: We run finalise_plugins()
result = plugin_manager.get_plugin_by_name('Mocked Plugin')
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# THEN: The is_active() and finalise() methods should have been called
assert result == mocked_plugin, 'The result for get_plugin_by_name should be the mocked plugin'
def test_get_plugin_by_name_disabled(registry, state):
"""
Test running the get_plugin_by_name() method to find a plugin that is disabled
"""
# GIVEN: A PluginManager instance and a list with a mocked up plugin whose status is set to Active
mocked_plugin = MagicMock()
mocked_plugin.name = 'Mocked Plugin'
plugin_manager = PluginManager()
Registry().register('mock_plugin', mocked_plugin)
State().add_service("mock", 1, is_plugin=True, status=PluginStatus.Disabled)
State().flush_preconditions()
# WHEN: We run finalise_plugins()
result = plugin_manager.get_plugin_by_name('Mocked Plugin')
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# THEN: The is_active() and finalise() methods should have been called
assert result == mocked_plugin, 'The result for get_plugin_by_name should be the mocked plugin'
def test_new_service_created_with_disabled_plugin(registry, state):
"""
Test running the new_service_created() method with a disabled plugin
"""
# GIVEN: A PluginManager instance and a list with a mocked up plugin whose status is set to Disabled
mocked_plugin = MagicMock()
mocked_plugin.status = PluginStatus.Disabled
mocked_plugin.is_active.return_value = False
plugin_manager = PluginManager()
Registry().register('mock_plugin', mocked_plugin)
State().add_service("mock", 1, is_plugin=True, status=PluginStatus.Active)
State().flush_preconditions()
# WHEN: We run finalise_plugins()
plugin_manager.new_service_created()
# THEN: The isActive() method should have been called, and initialise() method should NOT have been called
mocked_plugin.is_active.assert_called_with()
assert 0 == mocked_plugin.new_service_created.call_count, \
'The new_service_created() method should not have been called.'
def test_new_service_created_with_active_plugin(registry, state):
"""
Test running the new_service_created() method with an active plugin
"""
# GIVEN: A PluginManager instance and a list with a mocked up plugin whose status is set to Active
mocked_plugin = MagicMock()
mocked_plugin.status = PluginStatus.Active
mocked_plugin.is_active.return_value = True
plugin_manager = PluginManager()
Registry().register('mock_plugin', mocked_plugin)
State().add_service("mock", 1, is_plugin=True, status=PluginStatus.Active)
State().flush_preconditions()
# WHEN: We run new_service_created()
plugin_manager.new_service_created()
# THEN: The is_active() and finalise() methods should have been called
mocked_plugin.is_active.assert_called_with()
mocked_plugin.new_service_created.assert_called_with()
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class TestPluginManager(TestCase, TestMixin):
"""
Test the PluginManager class
"""
def setUp(self):
"""
Some pre-test setup required.
"""
self.setup_application()
self.build_settings()
self.temp_dir_path = Path(mkdtemp('openlp'))
Settings().setValue('advanced/data path', self.temp_dir_path)
Registry.create()
Registry().register('service_list', MagicMock())
self.main_window = QtWidgets.QMainWindow()
Registry().register('main_window', self.main_window)
def tearDown(self):
Settings().remove('advanced/data path')
self.destroy_settings()
del self.main_window
# On windows we need to manually garbage collect to close sqlalchemy files
# to avoid errors when temporary files are deleted.
if is_win():
import gc
gc.collect()
shutil.rmtree(self.temp_dir_path)
@skip
# This test is broken but totally unable to debug it.
@patch('openlp.plugins.songusage.songusageplugin.Manager')
@patch('openlp.plugins.songs.songsplugin.Manager')
@patch('openlp.plugins.images.imageplugin.Manager')
@patch('openlp.plugins.custom.customplugin.Manager')
@patch('openlp.plugins.alerts.alertsplugin.Manager')
def test_find_plugins(self, mocked_is1, mocked_is2, mocked_is3, mocked_is4, mocked_is5):
"""
Test the find_plugins() method to ensure it imports the correct plugins
"""
# GIVEN: A plugin manager
plugin_manager = PluginManager()
plugin_manager.bootstrap_initialise()
# WHEN: We mock out sys.platform to make it return "darwin" and then find the plugins
old_platform = sys.platform
sys.platform = 'darwin'
sys.platform = old_platform
# THEN: We should find the "Songs", "Bibles", etc in the plugins list
plugin_names = [plugin.name for plugin in State().list_plugins()]
assert 'songs' in plugin_names, 'There should be a "songs" plugin'
assert 'bibles' in plugin_names, 'There should be a "bibles" plugin'
assert 'presentations' in plugin_names, 'There should be a "presentations" plugin'
assert 'images' in plugin_names, 'There should be a "images" plugin'
assert 'media' in plugin_names, 'There should be a "media" plugin'
assert 'custom' in plugin_names, 'There should be a "custom" plugin'
assert 'songusage' in plugin_names, 'There should be a "songusage" plugin'
assert 'alerts' in plugin_names, 'There should be a "alerts" plugin'