Vehicle-Anti-Theft-Face-Rec.../venv/Lib/site-packages/jupyter_client/tests/test_jsonutil.py

85 lines
2.7 KiB
Python

"""Test suite for our JSON utilities."""
# Copyright (c) Jupyter Development Team.
# Distributed under the terms of the Modified BSD License.
import json
import pytest
import datetime
from datetime import timedelta
from unittest import mock
from dateutil.tz import tzlocal, tzoffset
from jupyter_client import jsonutil
from jupyter_client.session import utcnow
REFERENCE_DATETIME = datetime.datetime(
2013, 7, 3, 16, 34, 52, 249482, tzlocal()
)
def test_extract_date_from_naive():
ref = REFERENCE_DATETIME
timestamp = '2013-07-03T16:34:52.249482'
with pytest.deprecated_call(match='Interpreting naive datetime as local'):
extracted = jsonutil.extract_dates(timestamp)
assert isinstance(extracted, datetime.datetime)
assert extracted.tzinfo is not None
assert extracted.tzinfo.utcoffset(ref) == tzlocal().utcoffset(ref)
assert extracted == ref
def test_extract_dates():
ref = REFERENCE_DATETIME
timestamps = [
'2013-07-03T16:34:52.249482Z',
'2013-07-03T16:34:52.249482-0800',
'2013-07-03T16:34:52.249482+0800',
'2013-07-03T16:34:52.249482-08:00',
'2013-07-03T16:34:52.249482+08:00',
]
extracted = jsonutil.extract_dates(timestamps)
for dt in extracted:
assert isinstance(dt, datetime.datetime)
assert dt.tzinfo is not None
assert extracted[0].tzinfo.utcoffset(ref) == timedelta(0)
assert extracted[1].tzinfo.utcoffset(ref) == timedelta(hours=-8)
assert extracted[2].tzinfo.utcoffset(ref) == timedelta(hours=8)
assert extracted[3].tzinfo.utcoffset(ref) == timedelta(hours=-8)
assert extracted[4].tzinfo.utcoffset(ref) == timedelta(hours=8)
def test_parse_ms_precision():
base = '2013-07-03T16:34:52'
digits = '1234567890'
parsed = jsonutil.parse_date(base+'Z')
assert isinstance(parsed, datetime.datetime)
for i in range(len(digits)):
ts = base + '.' + digits[:i]
parsed = jsonutil.parse_date(ts+'Z')
if i >= 1 and i <= 6:
assert isinstance(parsed, datetime.datetime)
else:
assert isinstance(parsed, str)
def test_date_default():
naive = datetime.datetime.now()
local = tzoffset('Local', -8 * 3600)
other = tzoffset('Other', 2 * 3600)
data = dict(naive=naive, utc=utcnow(), withtz=naive.replace(tzinfo=other))
with mock.patch.object(jsonutil, 'tzlocal', lambda : local):
with pytest.deprecated_call(match='Please add timezone info'):
jsondata = json.dumps(data, default=jsonutil.date_default)
assert "Z" in jsondata
assert jsondata.count("Z") == 1
extracted = jsonutil.extract_dates(json.loads(jsondata))
for dt in extracted.values():
assert isinstance(dt, datetime.datetime)
assert dt.tzinfo != None