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gh-126175: Add attributes to TOMLDecodeError. Deprecate free-form __init__ args (GH-126428)

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Taneli Hukkinen 2024-11-13 14:52:16 +02:00 • committed by GitHub
parent a12690ef49
commit 29b5323c45
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4 changed files with 163 additions and 52 deletions
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34
Lib/test/test_tomllib/test_error.py
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@ -49,7 +49,9 @@ def test_type_error(self):
self.assertEqual(str(exc_info.exception), "Expected str object, not 'bool'")
def test_module_name(self):
self.assertEqual(tomllib.TOMLDecodeError().__module__, tomllib.__name__)
self.assertEqual(
tomllib.TOMLDecodeError("", "", 0).__module__, tomllib.__name__
)
def test_invalid_parse_float(self):
def dict_returner(s: str) -> dict:
@ -64,3 +66,33 @@ def list_returner(s: str) -> list:
self.assertEqual(
str(exc_info.exception), "parse_float must not return dicts or lists"
)
def test_deprecated_tomldecodeerror(self):
for args in [
(),
("err msg",),
(None,),
(None, "doc"),
("err msg", None),
(None, "doc", None),
("err msg", "doc", None),
("one", "two", "three", "four"),
("one", "two", 3, "four", "five"),
]:
with self.assertWarns(DeprecationWarning):
e = tomllib.TOMLDecodeError(*args) # type: ignore[arg-type]
self.assertEqual(e.args, args)
def test_tomldecodeerror(self):
msg = "error parsing"
doc = "v=1\n[table]\nv='val'"
pos = 13
formatted_msg = "error parsing (at line 3, column 2)"
e = tomllib.TOMLDecodeError(msg, doc, pos)
self.assertEqual(e.args, (formatted_msg,))
self.assertEqual(str(e), formatted_msg)
self.assertEqual(e.msg, msg)
self.assertEqual(e.doc, doc)
self.assertEqual(e.pos, pos)
self.assertEqual(e.lineno, 3)
self.assertEqual(e.colno, 2)