def parse_template(template):
""" parse instantiates a Template object with the provided string contents
of the template and returns a dict of all the resources defined within it.
"""
temp = Template(template)
temp.reduce_functions()
return temp.parse_resources()
def parse_template(template):
""" parse instantiates a Template object with the provided string contents
of the template and returns a dict of all the resources defined within it.
"""
temp = Template(template)
temp.reduce_functions()
return temp.parse_resources()
def test_functions_get_applied(self):
""" test_functions_get_applied tests that running the function
application on a Template's data reduces all available functions.
"""
LOG.debug("testing function application correctness on '%s'.", self._function_application_test_data)
temp = Template(self._function_application_test_data)
temp.reduce_functions()
# for each registered templating function (which are considered to
# behave correctly, as they have their separate tests), ensure that
# there is no unapplied instance of it in the resulting template:
for func_name in temp._functions:
LOG.debug("checking for unapplied function '%s' in '%s'.", func_name, temp._template_data)
self.assertFalse(recursive_dict_search(temp._template_data, func_name))
def test_functions_get_applied(self):
""" test_functions_get_applied tests that running the function
application on a Template's data reduces all available functions.
"""
LOG.debug("testing function application correctness on '%s'.",
self._function_application_test_data)
temp = Template(self._function_application_test_data)
temp.reduce_functions()
# for each registered templating function (which are considered to
# behave correctly, as they have their separate tests), ensure that
# there is no unapplied instance of it in the resulting template:
for func_name in temp._functions:
LOG.debug("checking for unapplied function '%s' in '%s'.",
func_name, temp._template_data)
self.assertFalse(
recursive_dict_search(temp._template_data, func_name))
def test_parse_resources(self):
""" test_parse_resources tests that running the resource extraction
procedure will yield the appropriate set of resources:
"""
LOG.debug("testing resource parsing on '%s'", self._resource_parsing_test_data)
temp = Template(self._resource_parsing_test_data)
parsed_resources = temp.parse_resources()
input_resources = yaml.load(self._resource_parsing_test_data)[self._field_names["resources"]]
# ensure all the resources defined in the input template have a
# corresponding Resource instance created for them:
for res_name, res_data in input_resources.items():
self.assertTrue(res_name in parsed_resources)
self.assertDictEqual(
parsed_resources[res_name].properties, res_data.get(self._field_names["properties"], {})
)
def test_parse_resources(self):
""" test_parse_resources tests that running the resource extraction
procedure will yield the appropriate set of resources:
"""
LOG.debug("testing resource parsing on '%s'",
self._resource_parsing_test_data)
temp = Template(self._resource_parsing_test_data)
parsed_resources = temp.parse_resources()
input_resources = yaml.load(
self._resource_parsing_test_data)[self._field_names["resources"]]
# ensure all the resources defined in the input template have a
# corresponding Resource instance created for them:
for res_name, res_data in input_resources.items():
self.assertTrue(res_name in parsed_resources)
self.assertDictEqual(
parsed_resources[res_name].properties,
res_data.get(self._field_names["properties"], {}))
def test_invalid_data(self):
""" test_invalid_data tests the behavior of the Template parsing logic
agains flawed or incomplete templates.
"""
for test_input in self._template_parsing_test_data:
LOG.debug(
"testing Template parsing reaction to invalid data '%s': %s.",
test_input.template_data, test_input.description)
with self.assertRaises(test_input.expected_exception):
Template(test_input.template_data)
def setUp(self):
self._function = self._function_class(Template(self._template_data))
