def _single_node_template_content_test(self, tpl_snippet, expectederror,
expectedmessage):
nodetemplates = (parser.utils.yamlparser.
simple_parse(tpl_snippet))['node_templates']
name = list(nodetemplates.keys())[0]
try:
nodetemplate = NodeTemplate(name, nodetemplates,
self._custom_types())
nodetemplate.validate()
nodetemplate.requirements
nodetemplate.get_capabilities_objects()
nodetemplate.get_properties_objects()
nodetemplate.interfaces
except Exception as err:
self.assertTrue(isinstance(err, expectederror))
self.assertEqual(expectedmessage, err.__str__())
