def test_get_value_return_list_of_values_if_multiple_selection_is_true(self):
     component = Select('x', multiple=True)
     component.add_option('a', 'b')
     self.assertEquals([], component.get('value'))
     component.set('value', ['b'])
     self.assertEquals(['b'], component.get('value'))
     
 def test_get_value_return_value_if_multiple_selection_is_false(self):
     component = Select('x', multiple=False)
     component.add_option('a', 'b')
     self.assertEquals(None, component.get('value'))
     component.set('value', 'b')
     self.assertEquals('b', component.get('value'))