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# SPDX-License-Identifier: MIT
# SPDX-FileCopyrightText: 2021 Taneli Hukkinen
# Licensed to PSF under a Contributor Agreement.
import unittest
from . import tomllib
class TestError(unittest.TestCase):
def test_line_and_col(self):
with self.assertRaises(tomllib.TOMLDecodeError) as exc_info:
tomllib.loads("val=.")
self.assertEqual(str(exc_info.exception), "Invalid value (at line 1, column 5)")
with self.assertRaises(tomllib.TOMLDecodeError) as exc_info:
tomllib.loads(".")
self.assertEqual(
str(exc_info.exception), "Invalid statement (at line 1, column 1)"
)
with self.assertRaises(tomllib.TOMLDecodeError) as exc_info:
tomllib.loads("\n\nval=.")
self.assertEqual(str(exc_info.exception), "Invalid value (at line 3, column 5)")
with self.assertRaises(tomllib.TOMLDecodeError) as exc_info:
tomllib.loads("\n\n.")
self.assertEqual(
str(exc_info.exception), "Invalid statement (at line 3, column 1)"
)
def test_missing_value(self):
with self.assertRaises(tomllib.TOMLDecodeError) as exc_info:
tomllib.loads("\n\nfwfw=")
self.assertEqual(str(exc_info.exception), "Invalid value (at end of document)")
def test_invalid_char_quotes(self):
with self.assertRaises(tomllib.TOMLDecodeError) as exc_info:
tomllib.loads("v = '\n'")
self.assertTrue(" '\\n' " in str(exc_info.exception))
def test_type_error(self):
with self.assertRaises(TypeError) as exc_info:
tomllib.loads(b"v = 1") # type: ignore[arg-type]
self.assertEqual(str(exc_info.exception), "Expected str object, not 'bytes'")
with self.assertRaises(TypeError) as exc_info:
tomllib.loads(False) # type: ignore[arg-type]
self.assertEqual(str(exc_info.exception), "Expected str object, not 'bool'")
def test_module_name(self):
self.assertEqual(
tomllib.TOMLDecodeError("", "", 0).__module__, tomllib.__name__
)
def test_invalid_parse_float(self):
def dict_returner(s: str) -> dict:
return {}
def list_returner(s: str) -> list:
return []
for invalid_parse_float in (dict_returner, list_returner):
with self.assertRaises(ValueError) as exc_info:
tomllib.loads("f=0.1", parse_float=invalid_parse_float)
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)
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