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# coding: utf-8
"""
testing of YAML.register_class and @yaml_object
"""
from typing import Any
from ruamel.yaml.comments import TaggedScalar, CommentedMap # NOQA
from roundtrip import YAML # type: ignore
class User0:
def __init__(self, name: str, age: int) -> None:
self.name = name
self.age = age
class User1:
yaml_tag = '!user'
def __init__(self, name: str, age: int) -> None:
self.name = name
self.age = age
@classmethod
def to_yaml(cls, representer: Any, node: Any) -> Any:
return representer.represent_scalar(cls.yaml_tag, '{.name}-{.age}'.format(node, node))
@classmethod
def from_yaml(cls, constructor: Any, node: Any) -> Any:
return cls(*node.value.split('-'))
class TestRegisterClass:
def test_register_0_rt(self) -> None:
yaml = YAML()
yaml.register_class(User0)
ys = """
- !User0
name: Anthon
age: 18
"""
d = yaml.load(ys)
yaml.dump(d, compare=ys, unordered_lines=True)
def test_register_0_safe(self) -> None:
# default_flow_style = None
yaml = YAML(typ='safe')
yaml.register_class(User0)
ys = """
- !User0 {age: 18, name: Anthon}
"""
d = yaml.load(ys)
yaml.dump(d, compare=ys)
def test_register_0_unsafe(self) -> None:
# default_flow_style = None
yaml = YAML(typ='unsafe')
yaml.register_class(User0)
ys = """
- !User0 {age: 18, name: Anthon}
"""
d = yaml.load(ys)
yaml.dump(d, compare=ys)
def test_register_1_rt(self) -> None:
yaml = YAML()
yaml.register_class(User1)
ys = """
- !user Anthon-18
"""
d = yaml.load(ys)
yaml.dump(d, compare=ys)
def test_register_1_safe(self) -> None:
yaml = YAML(typ='safe')
yaml.register_class(User1)
ys = """
[!user Anthon-18]
"""
d = yaml.load(ys)
yaml.dump(d, compare=ys)
def test_register_1_unsafe(self) -> None:
yaml = YAML(typ='unsafe')
yaml.register_class(User1)
ys = """
[!user Anthon-18]
"""
d = yaml.load(ys)
yaml.dump(d, compare=ys)
class TestDecorator:
def test_decorator_implicit(self) -> None:
from ruamel.yaml import yaml_object
yml = YAML()
@yaml_object(yml)
class User2:
def __init__(self, name: str, age: int) -> None:
self.name = name
self.age = age
ys = """
- !User2
name: Anthon
age: 18
"""
d = yml.load(ys)
yml.dump(d, compare=ys, unordered_lines=True)
def test_decorator_explicit(self) -> None:
from ruamel.yaml import yaml_object
yml = YAML()
@yaml_object(yml)
class User3:
yaml_tag = '!USER'
def __init__(self, name: str, age: int) -> None:
self.name = name
self.age = age
@classmethod
def to_yaml(cls, representer: Any, node: Any) -> Any:
return representer.represent_scalar(
cls.yaml_tag, '{.name}-{.age}'.format(node, node)
)
@classmethod
def from_yaml(cls, constructor: Any, node: Any) -> Any:
return cls(*node.value.split('-'))
ys = """
- !USER Anthon-18
"""
d = yml.load(ys)
yml.dump(d, compare=ys)
|
