apprise/test/test_gnome_plugin.py

# -*- coding: utf-8 -*-
#
# Copyright (C) 2019 Chris Caron <lead2gold@gmail.com>
# All rights reserved.
#
# This code is licensed under the MIT License.
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files(the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions :
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.

import mock
import sys
import types

import apprise

try:
    # Python v3.4+
    from importlib import reload
except ImportError:
    try:
        # Python v3.0-v3.3
        from imp import reload
    except ImportError:
        # Python v2.7
        pass


def test_gnome_plugin():
    """
    API: NotifyGnome Plugin()

    """

    # Our module base
    gi_name = 'gi'

    # First we do an import without the gi library available to ensure
    # we can handle cases when the library simply isn't available

    if gi_name in sys.modules:
        # Test cases where the gi library exists; we want to remove it
        # for the purpose of testing and capture the handling of the
        # library when it is missing
        del sys.modules[gi_name]
        reload(sys.modules['apprise.plugins.NotifyGnome'])

    # We need to fake our gnome environment for testing purposes since
    # the gi library isn't available in Travis CI
    gi = types.ModuleType(gi_name)
    gi.repository = types.ModuleType(gi_name + '.repository')
    gi.module = types.ModuleType(gi_name + '.module')

    mock_pixbuf = mock.Mock()
    mock_notify = mock.Mock()

    gi.repository.GdkPixbuf = \
        types.ModuleType(gi_name + '.repository.GdkPixbuf')
    gi.repository.GdkPixbuf.Pixbuf = mock_pixbuf
    gi.repository.Notify = mock.Mock()
    gi.repository.Notify.init.return_value = True
    gi.repository.Notify.Notification = mock_notify

    # Emulate require_version function1k:
    gi.require_version = mock.Mock(
        name=gi_name + '.require_version')

    # Force the fake module to exist
    sys.modules[gi_name] = gi
    sys.modules[gi_name + '.repository'] = gi.repository
    sys.modules[gi_name + '.repository.Notify'] = gi.repository.Notify

    # Notify Object
    notify_obj = mock.Mock()
    notify_obj.set_urgency.return_value = True
    notify_obj.set_icon_from_pixbuf.return_value = True
    notify_obj.set_image_from_pixbuf.return_value = True
    notify_obj.show.return_value = True
    mock_notify.new.return_value = notify_obj
    mock_pixbuf.new_from_file.return_value = True

    # The following libraries need to be reloaded to prevent
    #  TypeError: super(type, obj): obj must be an instance or subtype of type
    #  This is better explained in this StackOverflow post:
    #     https://stackoverflow.com/questions/31363311/\
    #       any-way-to-manually-fix-operation-of-\
    #          super-after-ipython-reload-avoiding-ty
    #
    reload(sys.modules['apprise.plugins.NotifyGnome'])
    reload(sys.modules['apprise.plugins'])
    reload(sys.modules['apprise.Apprise'])
    reload(sys.modules['apprise'])

    # Create our instance
    obj = apprise.Apprise.instantiate('gnome://', suppress_exceptions=False)
    obj.duration = 0

    # Check that it found our mocked environments
    assert(obj._enabled is True)

    # test notifications
    assert(obj.notify(title='title', body='body',
           notify_type=apprise.NotifyType.INFO) is True)

    # test notification without a title
    assert(obj.notify(title='', body='body',
           notify_type=apprise.NotifyType.INFO) is True)

    # Test our loading of our icon exception; it will still allow the
    # notification to be sent
    mock_pixbuf.new_from_file.side_effect = AttributeError()
    assert(obj.notify(title='title', body='body',
           notify_type=apprise.NotifyType.INFO) is True)
    # Undo our change
    mock_pixbuf.new_from_file.side_effect = None

    # Test our exception handling during initialization
    sys.modules['gi.repository.Notify']\
        .Notification.new.return_value = None
    sys.modules['gi.repository.Notify']\
        .Notification.new.side_effect = AttributeError()
    assert(obj.notify(title='title', body='body',
           notify_type=apprise.NotifyType.INFO) is False)

    # Undo our change
    sys.modules['gi.repository.Notify']\
        .Notification.new.side_effect = None

    # Toggle our testing for when we can't send notifications because the
    # package has been made unavailable to us
    obj._enabled = False
    assert(obj.notify(title='title', body='body',
           notify_type=apprise.NotifyType.INFO) is False)

    # Test the setting of a the urgency
    apprise.plugins.NotifyGnome(urgency=0)