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# Copyright 2020 The Matrix.org Foundation C.I.C.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import json
from io import BytesIO
from unittest.mock import Mock
from synapse.api.errors import SynapseError
from synapse.http.servlet import (
parse_json_object_from_request,
parse_json_value_from_request,
)
from tests import unittest
def make_request(content):
"""Make an object that acts enough like a request."""
request = Mock(spec=["content"])
if isinstance(content, dict):
content = json.dumps(content).encode("utf8")
request.content = BytesIO(content)
return request
class TestServletUtils(unittest.TestCase):
def test_parse_json_value(self):
"""Basic tests for parse_json_value_from_request."""
# Test round-tripping.
obj = {"foo": 1}
result = parse_json_value_from_request(make_request(obj))
self.assertEqual(result, obj)
# Results don't have to be objects.
result = parse_json_value_from_request(make_request(b'["foo"]'))
self.assertEqual(result, ["foo"])
# Test empty.
with self.assertRaises(SynapseError):
parse_json_value_from_request(make_request(b""))
result = parse_json_value_from_request(make_request(b""), allow_empty_body=True)
self.assertIsNone(result)
# Invalid UTF-8.
with self.assertRaises(SynapseError):
parse_json_value_from_request(make_request(b"\xFF\x00"))
# Invalid JSON.
with self.assertRaises(SynapseError):
parse_json_value_from_request(make_request(b"foo"))
with self.assertRaises(SynapseError):
parse_json_value_from_request(make_request(b'{"foo": Infinity}'))
def test_parse_json_object(self):
"""Basic tests for parse_json_object_from_request."""
# Test empty.
result = parse_json_object_from_request(
make_request(b""), allow_empty_body=True
)
self.assertEqual(result, {})
# Test not an object
with self.assertRaises(SynapseError):
parse_json_object_from_request(make_request(b'["foo"]'))
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