cpython/Lib/test/test_tomllib/test_misc.py

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# SPDX-License-Identifier: MIT
# SPDX-FileCopyrightText: 2021 Taneli Hukkinen
# Licensed to PSF under a Contributor Agreement.
import copy
import datetime
from decimal import Decimal as D
from pathlib import Path
import sys
import tempfile
import unittest
from . import tomllib
class TestMiscellaneous(unittest.TestCase):
def test_load(self):
content = "one=1 \n two='two' \n arr=[]"
expected = {"one": 1, "two": "two", "arr": []}
with tempfile.TemporaryDirectory() as tmp_dir_path:
file_path = Path(tmp_dir_path) / "test.toml"
file_path.write_text(content)
with open(file_path, "rb") as bin_f:
actual = tomllib.load(bin_f)
self.assertEqual(actual, expected)
def test_incorrect_load(self):
content = "one=1"
with tempfile.TemporaryDirectory() as tmp_dir_path:
file_path = Path(tmp_dir_path) / "test.toml"
file_path.write_text(content)
with open(file_path, "r") as txt_f:
with self.assertRaises(TypeError):
tomllib.load(txt_f) # type: ignore[arg-type]
def test_parse_float(self):
doc = """
val=0.1
biggest1=inf
biggest2=+inf
smallest=-inf
notnum1=nan
notnum2=-nan
notnum3=+nan
"""
obj = tomllib.loads(doc, parse_float=D)
expected = {
"val": D("0.1"),
"biggest1": D("inf"),
"biggest2": D("inf"),
"smallest": D("-inf"),
"notnum1": D("nan"),
"notnum2": D("-nan"),
"notnum3": D("nan"),
}
for k, expected_val in expected.items():
actual_val = obj[k]
self.assertIsInstance(actual_val, D)
if actual_val.is_nan():
self.assertTrue(expected_val.is_nan())
else:
self.assertEqual(actual_val, expected_val)
def test_deepcopy(self):
doc = """
[bliibaa.diibaa]
offsettime=[1979-05-27T00:32:00.999999-07:00]
"""
obj = tomllib.loads(doc)
obj_copy = copy.deepcopy(obj)
self.assertEqual(obj_copy, obj)
expected_obj = {
"bliibaa": {
"diibaa": {
"offsettime": [
datetime.datetime(
1979,
5,
27,
0,
32,
0,
999999,
tzinfo=datetime.timezone(datetime.timedelta(hours=-7)),
)
]
}
}
}
self.assertEqual(obj_copy, expected_obj)
def test_inline_array_recursion_limit(self):
# 465 with default recursion limit
nest_count = int(sys.getrecursionlimit() * 0.465)
recursive_array_toml = "arr = " + nest_count * "[" + nest_count * "]"
tomllib.loads(recursive_array_toml)
def test_inline_table_recursion_limit(self):
# 310 with default recursion limit
nest_count = int(sys.getrecursionlimit() * 0.31)
recursive_table_toml = nest_count * "key = {" + nest_count * "}"
tomllib.loads(recursive_table_toml)