def testMissingRequiredAttribute(self):
with self.assertRaises(Exception) as context:
histogram_configuration_model.PrettifyTree(
etree_util.ParseXMLString(XML_MISSING_SEPARATOR))
self.assertIn('separator', str(context.exception))
self.assertIn('Missing attribute', str(context.exception))
def testPrettify(self, _, input_xml, expected_xml):
result = histogram_configuration_model.PrettifyTree(
etree_util.ParseXMLString(input_xml))
self.assertMultiLineEqual(result.strip(), expected_xml)
