mycroft-core/test/unittests/util/test_plugins.py

57 lines
2.1 KiB
Python

# Copyright 2020 Mycroft AI Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
from unittest import TestCase, mock
import mycroft.util.plugins as mycroft_plugins
def get_plug_mock(name):
load_mock = mock.Mock(name=name)
load_mock.name = name
plug_mock = mock.Mock(name=name)
plug_mock.name = name
plug_mock.load.return_value = load_mock
return plug_mock
def mock_iter_entry_points(plug_type):
"""Function to return mocked plugins."""
plugs = {
'mycroft.plugins.tts': [get_plug_mock('dummy'),
get_plug_mock('remote')],
'mycroft.plugins.stt': [get_plug_mock('dummy'),
get_plug_mock('deepspeech')]
}
return plugs.get(plug_type, [])
@mock.patch('mycroft.util.plugins.pkg_resources')
class TestPlugins(TestCase):
def test_load_existing(self, mock_pkg_res):
"""Ensure that plugin objects are returned if found."""
mock_pkg_res.iter_entry_points.side_effect = mock_iter_entry_points
# Load a couple of existing modules and verify that they're Ok
plug = mycroft_plugins.load_plugin('mycroft.plugins.tts', 'dummy')
self.assertEqual(plug.name, 'dummy')
plug = mycroft_plugins.load_plugin('mycroft.plugins.stt', 'deepspeech')
self.assertEqual(plug.name, 'deepspeech')
def test_load_nonexisting(self, mock_pkg_res):
"""Ensure that the return value is None when no plugin is found."""
mock_pkg_res.iter_entry_points.side_effect = mock_iter_entry_points
plug = mycroft_plugins.load_plugin('mycroft.plugins.tts', 'blah')
self.assertEqual(plug, None)