tests/test_gtype.py

   1 import unittest
   2
   3 from gi.repository import GObject
   4 from gi.repository import GIMarshallingTests
   5
   6
   7 class CustomBase(GObject.GObject):
   8     pass
   9
  10
  11 class CustomChild(CustomBase, GIMarshallingTests.Interface):
  12     pass
  13
  14
  15 class TestTypeModuleLevelFunctions(unittest.TestCase):
  16     def test_type_name(self):
  17         self.assertEqual(GObject.type_name(GObject.TYPE_NONE), 'void')
  18         self.assertEqual(GObject.type_name(GObject.TYPE_OBJECT), 'GObject')
  19         self.assertEqual(GObject.type_name(GObject.TYPE_PYOBJECT), 'PyObject')
  20
  21     def test_type_from_name(self):
  22         # A complete test is not needed here since the TYPE_* defines are created
  23         # using this method.
  24         self.assertRaises(RuntimeError, GObject.type_from_name, '!NOT_A_REAL_TYPE!')
  25         self.assertEqual(GObject.type_from_name('GObject'), GObject.TYPE_OBJECT)
  26         self.assertEqual(GObject.type_from_name('GObject'), GObject.GObject.__gtype__)
  27
  28     def test_type_is_a(self):
  29         self.assertTrue(GObject.type_is_a(CustomBase, GObject.TYPE_OBJECT))
  30         self.assertTrue(GObject.type_is_a(CustomChild, CustomBase))
  31         self.assertTrue(GObject.type_is_a(CustomBase, GObject.GObject))
  32         self.assertTrue(GObject.type_is_a(CustomBase.__gtype__, GObject.TYPE_OBJECT))
  33         self.assertFalse(GObject.type_is_a(GObject.TYPE_OBJECT, CustomBase))
  34         self.assertFalse(GObject.type_is_a(CustomBase, int))  # invalid type
  35         self.assertRaises(TypeError, GObject.type_is_a, CustomBase, 1)
  36         self.assertRaises(TypeError, GObject.type_is_a, 2, GObject.TYPE_OBJECT)
  37         self.assertRaises(TypeError, GObject.type_is_a, 1, 2)
  38
  39     def test_type_children(self):
  40         self.assertEqual(GObject.type_children(CustomBase), [CustomChild.__gtype__])
  41         self.assertEqual(len(GObject.type_children(CustomChild)), 0)
  42
  43     def test_type_interfaces(self):
  44         self.assertEqual(len(GObject.type_interfaces(CustomBase)), 0)
  45         self.assertEqual(len(GObject.type_interfaces(CustomChild)), 1)
  46         self.assertEqual(GObject.type_interfaces(CustomChild), [GIMarshallingTests.Interface.__gtype__])
  47
  48     def test_type_parent(self):
  49         self.assertEqual(GObject.type_parent(CustomChild), CustomBase.__gtype__)
  50         self.assertEqual(GObject.type_parent(CustomBase), GObject.TYPE_OBJECT)
  51         self.assertRaises(RuntimeError, GObject.type_parent, GObject.GObject)