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# Copyright 2017-2020 Palantir Technologies, Inc.
# Copyright 2021- Python Language Server Contributors.
# pylint: disable=redefined-outer-name
from io import BytesIO
import datetime
import sys
from unittest import mock
import pytest
from pylsp_jsonrpc.streams import JsonRpcStreamReader, JsonRpcStreamWriter
@pytest.fixture()
def rfile():
return BytesIO()
@pytest.fixture()
def wfile():
return BytesIO()
@pytest.fixture()
def reader(rfile):
return JsonRpcStreamReader(rfile)
@pytest.fixture()
def writer(wfile):
return JsonRpcStreamWriter(wfile, sort_keys=True)
def test_reader(rfile, reader):
rfile.write(
b'Content-Length: 49\r\n'
b'Content-Type: application/vscode-jsonrpc; charset=utf8\r\n'
b'\r\n'
b'{"id": "hello", "method": "method", "params": {}}'
)
rfile.seek(0)
consumer = mock.Mock()
reader.listen(consumer)
consumer.assert_called_once_with({
'id': 'hello',
'method': 'method',
'params': {}
})
def test_reader_bad_message(rfile, reader):
rfile.write(b'Hello world')
rfile.seek(0)
# Ensure the listener doesn't throw
consumer = mock.Mock()
reader.listen(consumer)
consumer.assert_not_called()
def test_reader_bad_json(rfile, reader):
rfile.write(
b'Content-Length: 8\r\n'
b'Content-Type: application/vscode-jsonrpc; charset=utf8\r\n'
b'\r\n'
b'{hello}}'
)
rfile.seek(0)
# Ensure the listener doesn't throw
consumer = mock.Mock()
reader.listen(consumer)
consumer.assert_not_called()
def test_writer(wfile, writer):
writer.write({
'id': 'hello',
'method': 'method',
'params': {}
})
if 'ujson' in sys.modules:
assert wfile.getvalue() == (
b'Content-Length: 44\r\n'
b'Content-Type: application/vscode-jsonrpc; charset=utf8\r\n'
b'\r\n'
b'{"id":"hello","method":"method","params":{}}'
)
else:
assert wfile.getvalue() == (
b'Content-Length: 49\r\n'
b'Content-Type: application/vscode-jsonrpc; charset=utf8\r\n'
b'\r\n'
b'{"id": "hello", "method": "method", "params": {}}'
)
class JsonDatetime(datetime.datetime):
"""Monkey path json datetime."""
def __json__(self):
if sys.version_info.major == 3:
dif = int(self.timestamp())
else:
dif = int((self - datetime.datetime(1970, 1, 1)).total_seconds())
return f'{dif}'
def test_writer_bad_message(wfile, writer):
# A datetime isn't serializable(or poorly serializable),
# ensure the write method doesn't throw, but the result could be empty
# or the correct datetime
datetime.datetime = JsonDatetime
writer.write(datetime.datetime(
year=2019,
month=1,
day=1,
hour=1,
minute=1,
second=1,
tzinfo=datetime.timezone.utc,
))
assert wfile.getvalue() in [
b'',
b'Content-Length: 10\r\n'
b'Content-Type: application/vscode-jsonrpc; charset=utf8\r\n'
b'\r\n'
b'1546304461',
b'Content-Length: 10\r\n'
b'Content-Type: application/vscode-jsonrpc; charset=utf8\r\n'
b'\r\n'
b'1546322461'
]
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