def test_setitem_TypeError(self):
rgb = FixedKeyMap(red='rouge', green='forest', blue='azul')
with self.assertRaises(TypeError) as context:
rgb['grey'] = 'pewter'
self.assertEqual(
str(context.exception),
"'FixedKeyMap' object does not support new item assignment")
def test_del_TypeError(self):
rgb = FixedKeyMap(red='rouge', green='forest', blue='azul')
with self.assertRaises(TypeError) as context:
del rgb['red']
self.assertEqual(
str(context.exception),
"'FixedKeyMap' object does not support item deletion")
def test_create(self):
rgb = FixedKeyMap(red='rouge', green='forest', blue='azul')
self.assertIsInstance(rgb, FixedKeyMap)
self.assertIn('red', rgb)
self.assertIn('green', rgb)
self.assertIn('blue', rgb)
def test_iter(self):
rgb = FixedKeyMap(red='rouge', green='forest', blue='azul')
self.assertEqual(frozenset(iter(rgb)),
frozenset(['red', 'green', 'blue']))
def test_len(self):
rgb = FixedKeyMap(red='rouge', green='forest', blue='azul')
self.assertEqual(len(rgb), 3)
def test_setitem(self):
rgb = FixedKeyMap(red='rouge', green='forest', blue='azul')
rgb['blue'] = 'topaz'
self.assertEqual(rgb['blue'], 'topaz')
def test_getitem_KeyError(self):
rgb = FixedKeyMap(red='rouge', green='forest', blue='azul')
with self.assertRaises(KeyError) as context:
rgb['grey']
self.assertEqual(str(context.exception), "'grey'")
def test_getitem(self):
rgb = FixedKeyMap(red='rouge', green='forest', blue='azul')
self.assertEqual(rgb['red'], 'rouge')