tests/test_gtype.py

   1 from __future__ import absolute_import
   2
   3 import unittest
   4
   5 from gi.repository import GObject
   6 from gi.repository import GIMarshallingTests
   7
   8
   9 class CustomBase(GObject.GObject):
  10     pass
  11
  12
  13 class CustomChild(CustomBase, GIMarshallingTests.Interface):
  14     pass
  15
  16
  17 class TestTypeModuleLevelFunctions(unittest.TestCase):
  18     def test_type_name(self):
  19         self.assertEqual(GObject.type_name(GObject.TYPE_NONE), 'void')
  20         self.assertEqual(GObject.type_name(GObject.TYPE_OBJECT), 'GObject')
  21         self.assertEqual(GObject.type_name(GObject.TYPE_PYOBJECT), 'PyObject')
  22
  23     def test_type_from_name(self):
  24         # A complete test is not needed here since the TYPE_* defines are created
  25         # using this method.
  26         self.assertRaises(RuntimeError, GObject.type_from_name, '!NOT_A_REAL_TYPE!')
  27         self.assertEqual(GObject.type_from_name('GObject'), GObject.TYPE_OBJECT)
  28         self.assertEqual(GObject.type_from_name('GObject'), GObject.GObject.__gtype__)
  29
  30     def test_type_is_a(self):
  31         self.assertTrue(GObject.type_is_a(CustomBase, GObject.TYPE_OBJECT))
  32         self.assertTrue(GObject.type_is_a(CustomChild, CustomBase))
  33         self.assertTrue(GObject.type_is_a(CustomBase, GObject.GObject))
  34         self.assertTrue(GObject.type_is_a(CustomBase.__gtype__, GObject.TYPE_OBJECT))
  35         self.assertFalse(GObject.type_is_a(GObject.TYPE_OBJECT, CustomBase))
  36         self.assertFalse(GObject.type_is_a(CustomBase, int))  # invalid type
  37         self.assertRaises(TypeError, GObject.type_is_a, CustomBase, 1)
  38         self.assertRaises(TypeError, GObject.type_is_a, 2, GObject.TYPE_OBJECT)
  39         self.assertRaises(TypeError, GObject.type_is_a, 1, 2)
  40
  41     def test_type_children(self):
  42         self.assertEqual(GObject.type_children(CustomBase), [CustomChild.__gtype__])
  43         self.assertEqual(len(GObject.type_children(CustomChild)), 0)
  44
  45     def test_type_interfaces(self):
  46         self.assertEqual(len(GObject.type_interfaces(CustomBase)), 0)
  47         self.assertEqual(len(GObject.type_interfaces(CustomChild)), 1)
  48         self.assertEqual(GObject.type_interfaces(CustomChild), [GIMarshallingTests.Interface.__gtype__])
  49
  50     def test_type_parent(self):
  51         self.assertEqual(GObject.type_parent(CustomChild), CustomBase.__gtype__)
  52         self.assertEqual(GObject.type_parent(CustomBase), GObject.TYPE_OBJECT)
  53         self.assertRaises(RuntimeError, GObject.type_parent, GObject.GObject)
  54
  55
  56 def test_gtype_has_value_table():
  57     assert CustomBase.__gtype__.has_value_table()
  58     assert not GIMarshallingTests.Interface.__gtype__.has_value_table()
  59     assert CustomChild.__gtype__.has_value_table()
  60
  61
  62 def test_gtype_is_abstract():
  63     assert not CustomBase.__gtype__.is_abstract()
  64     assert not GIMarshallingTests.Interface.__gtype__.is_abstract()
  65     assert not CustomChild.__gtype__.is_abstract()
  66
  67
  68 def test_gtype_is_classed():
  69     assert CustomBase.__gtype__.is_classed()
  70     assert not GIMarshallingTests.Interface.__gtype__.is_classed()
  71     assert CustomChild.__gtype__.is_classed()
  72
  73
  74 def test_gtype_is_deep_derivable():
  75     assert CustomBase.__gtype__.is_deep_derivable()
  76     assert not GIMarshallingTests.Interface.__gtype__.is_deep_derivable()
  77     assert CustomChild.__gtype__.is_deep_derivable()
  78
  79
  80 def test_gtype_is_derivable():
  81     assert CustomBase.__gtype__.is_derivable()
  82     assert GIMarshallingTests.Interface.__gtype__.is_derivable()
  83     assert CustomChild.__gtype__.is_derivable()
  84
  85
  86 def test_gtype_is_value_abstract():
  87     assert not CustomBase.__gtype__.is_value_abstract()
  88     assert not GIMarshallingTests.Interface.__gtype__.is_value_abstract()
  89     assert not CustomChild.__gtype__.is_value_abstract()
  90
  91
  92 def test_gtype_is_value_type():
  93     assert CustomBase.__gtype__.is_value_type()
  94     assert not GIMarshallingTests.Interface.__gtype__.is_value_type()
  95     assert CustomChild.__gtype__.is_value_type()
  96
  97
  98 def test_gtype_children():
  99     assert CustomBase.__gtype__.children == [CustomChild.__gtype__]
 100     assert GIMarshallingTests.Interface.__gtype__.children == []
 101     assert CustomChild.__gtype__.children == []
 102
 103
 104 def test_gtype_depth():
 105     assert CustomBase.__gtype__.depth == 2
 106     assert GIMarshallingTests.Interface.__gtype__.depth == 2
 107     assert CustomChild.__gtype__.depth == 3
 108
 109
 110 def test_gtype_interfaces():
 111     assert CustomBase.__gtype__.interfaces == []
 112     assert GIMarshallingTests.Interface.__gtype__.interfaces == []
 113     assert CustomChild.__gtype__.interfaces == \
 114         [GIMarshallingTests.Interface.__gtype__]