def test_factory_method_implemented(node_class):
"""
Confirm that a subclass of TaggedObjectNode has a factory method
available.
"""
instance = create_node(node_class)
assert isinstance(instance, node_class)
def test_instance_valid(node_class):
"""
Confirm that a class's factory method creates an object that
is valid against its schema.
"""
with asdf.AsdfFile() as af:
af["node"] = create_node(node_class)
af.validate()
def test_serialization(node_class, tmp_path):
file_path = tmp_path / "test.asdf"
node = create_node(node_class)
with asdf.AsdfFile() as af:
af["node"] = node
af.write_to(file_path)
with asdf.open(file_path) as af:
assert_node_equal(af["node"], node)
def test_no_extra_fields(node_class, manifest):
instance = create_node(node_class)
instance_keys = set(instance.keys())
schema_uri = next(t["schema_uri"] for t in manifest["tags"] if t["tag_uri"] == instance.tag)
schema = asdf.schema.load_schema(schema_uri, resolve_references=True)
schema_keys = set()
subschemas = [schema]
if "allOf" in schema:
subschemas.extend(schema["allOf"])
for subschema in subschemas:
schema_keys.update(subschema.get("properties", {}).keys())
diff = instance_keys - schema_keys
assert len(diff) == 0, "Factory instance has extra keys: " + ", ".join(diff)