def compare_tosca_translation_with_hot(tosca_file, hot_files, params):
'''Verify tosca translation against the given hot specification.
inputs:
tosca_file: relative local path or URL to the tosca input file
hot_file: relative path to expected hot output
params: dictionary of parameter name value pairs
Returns as a dictionary the difference between the HOT translation
of the given tosca_file and the given hot_file.
'''
from toscaparser.tosca_template import ToscaTemplate
from translator.hot.tosca_translator import TOSCATranslator
tosca_tpl = os.path.normpath(
os.path.join(os.path.dirname(os.path.abspath(__file__)),
tosca_file))
a_file = os.path.isfile(tosca_tpl)
if not a_file:
tosca_tpl = tosca_file
expected_hot_templates = []
for hot_file in hot_files:
expected_hot_templates.append(
os.path.join(os.path.dirname(os.path.abspath(__file__)),
hot_file))
tosca = ToscaTemplate(tosca_tpl, params, a_file)
translate = TOSCATranslator(tosca, params)
basename = os.path.basename(hot_files[0])
output_hot_templates = translate.output_to_yaml_files_dict(basename)
output_dict = {}
for output_hot_template_name in output_hot_templates:
output_dict[output_hot_template_name] = \
toscaparser.utils.yamlparser.simple_parse(
output_hot_templates[output_hot_template_name])
expected_output_dict = {}
for expected_hot_template in expected_hot_templates:
expected_output_dict[os.path.basename(expected_hot_template)] = \
YamlUtils.get_dict(expected_hot_template)
return CompareUtils.diff_dicts(expected_output_dict, output_dict)
