def template_diff(self, service_template1, service_template2):
comparer = TemplateComparer()
context = TemplateContext(service_template1[0], service_template2[0],
service_template1[2], service_template2[2])
equal, diff = comparer.compare_service_template(
service_template1[0], service_template2[0], context)
return diff
def diff_templates(
service_template_old: str,
workdir_old: str,
inputs_old: typing.Optional[dict],
service_template_new: str,
workdir_new: str,
inputs_new: typing.Optional[dict],
template_comparer: TemplateComparer,
verbose_mode: bool
):
if inputs_new is None:
inputs_new = {}
if inputs_old is None:
inputs_old = {}
ast_old = tosca.load(Path(workdir_old), PurePath(service_template_old))
ast_new = tosca.load(Path(workdir_new), PurePath(service_template_new))
template_old = ast_old.get_template(inputs_old)
template_new = ast_new.get_template(inputs_new)
context = TemplateContext(template_old, template_new, workdir_old, workdir_new)
_, diff = template_comparer.compare_service_template(template_old, template_new, context)
return diff
def diff_instances(storage_old: Storage, workdir_old: Path,
storage_new: Storage, workdir_new: Path,
template_comparer: TemplateComparer,
instance_comparer: InstanceComparer, verbose_mode: bool):
template_old = get_template(storage_old, workdir_old)
template_new = get_template(storage_new, workdir_new)
topology_old = template_old.instantiate(storage_old)
topology_new = template_new.instantiate(storage_new)
context = TemplateContext(template_old, template_new, workdir_old,
workdir_new)
_, diff = template_comparer.compare_service_template(
template_old, template_new, context)
_, diff = instance_comparer.compare_topology_template(
topology_old, topology_new, diff)
return diff
def test_service_template_comparison(self, service_template1, service_template2):
comparer = TemplateComparer()
context = TemplateContext(service_template1[0],
service_template2[0],
service_template1[2],
service_template2[2])
equal, diff = comparer.compare_service_template(service_template1[0], service_template2[0], context)
assert equal is False
assert len(diff.changed["nodes"].added) == 1
assert len(diff.changed["nodes"].deleted) == 1
assert len(diff.changed["nodes"].changed) == 4
assert diff.changed["nodes"].added[0] == "hello-5"
assert diff.changed["nodes"].deleted[0] == "hello-4"
assert "hello-1" in diff.changed["nodes"].changed
assert "hello-2" in diff.changed["nodes"].changed
assert "hello-3" in diff.changed["nodes"].changed
assert "hello-6" in diff.changed["nodes"].changed
assert " my-workstation" not in diff.changed["nodes"].changed