69 lines
2.1 KiB
Python
69 lines
2.1 KiB
Python
# Tests that yaml wrappers in Utils.py do what they should
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import unittest
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from typing import cast, Any, ClassVar, Dict
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from Utils import dump, Dumper # type: ignore[attr-defined]
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from Utils import parse_yaml, parse_yamls, unsafe_parse_yaml
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class AClass:
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def __eq__(self, other: Any) -> bool:
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return isinstance(other, self.__class__)
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class TestYaml(unittest.TestCase):
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safe_data: ClassVar[Dict[str, Any]] = {
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"a": [1, 2, 3],
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"b": None,
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"c": True,
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}
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unsafe_data: ClassVar[Dict[str, Any]] = {
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"a": AClass()
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}
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@property
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def safe_str(self) -> str:
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return cast(str, dump(self.safe_data, Dumper=Dumper))
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@property
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def unsafe_str(self) -> str:
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return cast(str, dump(self.unsafe_data, Dumper=Dumper))
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def assertIsNonEmptyString(self, string: str) -> None:
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self.assertTrue(string)
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self.assertIsInstance(string, str)
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def test_dump(self) -> None:
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self.assertIsNonEmptyString(self.safe_str)
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self.assertIsNonEmptyString(self.unsafe_str)
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def test_safe_parse(self) -> None:
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self.assertEqual(self.safe_data, parse_yaml(self.safe_str))
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with self.assertRaises(Exception):
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parse_yaml(self.unsafe_str)
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with self.assertRaises(Exception):
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parse_yaml("1\n---\n2\n")
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def test_unsafe_parse(self) -> None:
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self.assertEqual(self.safe_data, unsafe_parse_yaml(self.safe_str))
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self.assertEqual(self.unsafe_data, unsafe_parse_yaml(self.unsafe_str))
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with self.assertRaises(Exception):
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unsafe_parse_yaml("1\n---\n2\n")
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def test_multi_parse(self) -> None:
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self.assertEqual(self.safe_data, next(parse_yamls(self.safe_str)))
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with self.assertRaises(Exception):
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next(parse_yamls(self.unsafe_str))
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self.assertEqual(2, len(list(parse_yamls("1\n---\n2\n"))))
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def test_unique_key(self) -> None:
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s = """
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a: 1
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a: 2
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"""
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with self.assertRaises(Exception):
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parse_yaml(s)
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with self.assertRaises(Exception):
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next(parse_yamls(s))
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