tests/test_typeclass.py

   1 # -*- Mode: Python; py-indent-offset: 4 -*-
   2 # vim: tabstop=4 shiftwidth=4 expandtab
   3 #
   4 # test_typeclass.py: Tests for GTypeClass related methods and marshalling.
   5 #
   6 # Copyright (C) 2014 Simon Feltman <sfeltman@gnome.org>
   7 #
   8 # This library is free software; you can redistribute it and/or
   9 # modify it under the terms of the GNU Lesser General Public
  10 # License as published by the Free Software Foundation; either
  11 # version 2.1 of the License, or (at your option) any later version.
  12 #
  13 # This library is distributed in the hope that it will be useful,
  14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16 # Lesser General Public License for more details.
  17 #
  18 # You should have received a copy of the GNU Lesser General Public
  19 # License along with this library; if not, write to the Free Software
  20 # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301
  21 # USA
  22
  23 from __future__ import absolute_import
  24
  25 import unittest
  26
  27 from gi.repository import GObject
  28 from gi.repository import GIMarshallingTests
  29
  30
  31 class TestCoercion(unittest.TestCase):
  32     def test_coerce_from_class(self):
  33         prop = GObject.ObjectClass.find_property(GIMarshallingTests.PropertiesObject,
  34                                                  'some-int')
  35
  36         self.assertIsInstance(prop, GObject.GParamSpec)
  37         self.assertEqual(prop.name, 'some-int')
  38         self.assertEqual(prop.value_type, GObject.TYPE_INT)
  39         self.assertEqual(prop.owner_type,
  40                          GIMarshallingTests.PropertiesObject.__gtype__)
  41
  42     def test_coerce_from_gtype(self):
  43         gtype = GIMarshallingTests.PropertiesObject.__gtype__
  44         prop = GObject.ObjectClass.find_property(gtype, 'some-int')
  45
  46         self.assertIsInstance(prop, GObject.GParamSpec)
  47         self.assertEqual(prop.name, 'some-int')
  48         self.assertEqual(prop.value_type, GObject.TYPE_INT)
  49         self.assertEqual(prop.owner_type, gtype)
  50
  51     def test_coerce_from_instance(self):
  52         obj = GIMarshallingTests.PropertiesObject()
  53         prop = GObject.ObjectClass.find_property(obj, 'some-int')
  54
  55         self.assertIsInstance(prop, GObject.GParamSpec)
  56         self.assertEqual(prop.name, 'some-int')
  57         self.assertEqual(prop.value_type, GObject.TYPE_INT)
  58         self.assertEqual(prop.owner_type, obj.__gtype__)
  59
  60     def test_marshalling_error(self):
  61         with self.assertRaises(TypeError):
  62             GObject.ObjectClass.find_property(object, 'some-int')
  63
  64         with self.assertRaises(TypeError):
  65             GObject.ObjectClass.find_property(42, 'some-int')
  66
  67
  68 class TestTypeClassMethodsMovedToClass(unittest.TestCase):
  69     def test_list_child_properties(self):
  70         pspecs = GIMarshallingTests.PropertiesObject.list_properties()
  71         pnames = [pspec.name for pspec in pspecs]
  72         self.assertTrue('some-int' in pnames)
  73         self.assertTrue('some-float' in pnames)
  74         self.assertTrue('some-char' in pnames)
  75
  76     def test_find_child_property(self):
  77         pspec = GIMarshallingTests.PropertiesObject.find_property('some-int')
  78         self.assertEqual(pspec.name, 'some-int')