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# Licensed to Elasticsearch B.V. under one or more contributor
# license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright
# ownership. Elasticsearch B.V. licenses this file to you 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 uuid
from datetime import date
from decimal import Decimal
import pytest
from elastic_transport import (
JsonSerializer,
NdjsonSerializer,
OrjsonSerializer,
SerializationError,
SerializerCollection,
TextSerializer,
)
from elastic_transport._serializer import DEFAULT_SERIALIZERS
serializers = SerializerCollection(DEFAULT_SERIALIZERS)
@pytest.fixture(params=[JsonSerializer, OrjsonSerializer])
def json_serializer(request: pytest.FixtureRequest):
yield request.param()
def test_date_serialization(json_serializer):
assert b'{"d":"2010-10-01"}' == json_serializer.dumps({"d": date(2010, 10, 1)})
def test_decimal_serialization(json_serializer):
assert b'{"d":3.8}' == json_serializer.dumps({"d": Decimal("3.8")})
def test_uuid_serialization(json_serializer):
assert b'{"d":"00000000-0000-0000-0000-000000000003"}' == json_serializer.dumps(
{"d": uuid.UUID("00000000-0000-0000-0000-000000000003")}
)
def test_serializes_nan():
assert b'{"d":NaN}' == JsonSerializer().dumps({"d": float("NaN")})
# NaN is invalid JSON, and orjson silently converts it to null
assert b'{"d":null}' == OrjsonSerializer().dumps({"d": float("NaN")})
def test_raises_serialization_error_on_dump_error(json_serializer):
with pytest.raises(SerializationError):
json_serializer.dumps(object())
with pytest.raises(SerializationError):
TextSerializer().dumps({})
def test_raises_serialization_error_on_load_error(json_serializer):
with pytest.raises(SerializationError):
json_serializer.loads(object())
with pytest.raises(SerializationError):
json_serializer.loads(b"{{")
def test_json_unicode_is_handled(json_serializer):
assert (
json_serializer.dumps({"你好": "你好"})
== b'{"\xe4\xbd\xa0\xe5\xa5\xbd":"\xe4\xbd\xa0\xe5\xa5\xbd"}'
)
assert json_serializer.loads(
b'{"\xe4\xbd\xa0\xe5\xa5\xbd":"\xe4\xbd\xa0\xe5\xa5\xbd"}'
) == {"你好": "你好"}
def test_text_unicode_is_handled():
text_serializer = TextSerializer()
assert text_serializer.dumps("你好") == b"\xe4\xbd\xa0\xe5\xa5\xbd"
assert text_serializer.loads(b"\xe4\xbd\xa0\xe5\xa5\xbd") == "你好"
def test_json_unicode_surrogates_handled():
assert (
JsonSerializer().dumps({"key": "你好\uda6a"})
== b'{"key":"\xe4\xbd\xa0\xe5\xa5\xbd\xed\xa9\xaa"}'
)
assert JsonSerializer().loads(
b'{"key":"\xe4\xbd\xa0\xe5\xa5\xbd\xed\xa9\xaa"}'
) == {"key": "你好\uda6a"}
# orjson is strict about UTF-8
with pytest.raises(SerializationError):
OrjsonSerializer().dumps({"key": "你好\uda6a"})
with pytest.raises(SerializationError):
OrjsonSerializer().loads(b'{"key":"\xe4\xbd\xa0\xe5\xa5\xbd\xed\xa9\xaa"}')
def test_text_unicode_surrogates_handled(json_serializer):
text_serializer = TextSerializer()
assert (
text_serializer.dumps("你好\uda6a") == b"\xe4\xbd\xa0\xe5\xa5\xbd\xed\xa9\xaa"
)
assert (
text_serializer.loads(b"\xe4\xbd\xa0\xe5\xa5\xbd\xed\xa9\xaa") == "你好\uda6a"
)
def test_deserializes_json_by_default():
assert {"some": "data"} == serializers.loads(b'{"some":"data"}')
def test_deserializes_text_with_correct_ct():
assert '{"some":"data"}' == serializers.loads(b'{"some":"data"}', "text/plain")
assert '{"some":"data"}' == serializers.loads(
b'{"some":"data"}', "text/plain; charset=whatever"
)
def test_raises_serialization_error_on_unknown_mimetype():
with pytest.raises(SerializationError) as e:
serializers.loads(b"{}", "fake/type")
assert (
str(e.value)
== "Unknown mimetype, not able to serialize or deserialize: fake/type"
)
def test_raises_improperly_configured_when_default_mimetype_cannot_be_deserialized():
with pytest.raises(ValueError) as e:
SerializerCollection({})
assert (
str(e.value)
== "Must configure a serializer for the default mimetype 'application/json'"
)
def test_text_asterisk_works_for_all_text_types():
assert serializers.loads(b"{}", "text/html") == "{}"
assert serializers.dumps("{}", "text/html") == b"{}"
@pytest.mark.parametrize("should_strip", [False, b"\n", b"\r\n"])
def test_ndjson_loads(should_strip):
serializer = NdjsonSerializer()
data = (
b'{"key":"value"}\n'
b'{"number":0.1,"one":1}\n'
b'{"list":[1,2,3]}\r\n'
b'{"unicode":"\xe4\xbd\xa0\xe5\xa5\xbd\xed\xa9\xaa"}\r\n'
)
if should_strip:
data = data.strip(should_strip)
data = serializer.loads(data)
assert data == [
{"key": "value"},
{"number": 0.1, "one": 1},
{"list": [1, 2, 3]},
{"unicode": "你好\uda6a"},
]
def test_ndjson_dumps():
serializer = NdjsonSerializer()
data = serializer.dumps(
[
{"key": "value"},
{"number": 0.1, "one": 1},
{"list": [1, 2, 3]},
{"unicode": "你好\uda6a"},
'{"key:"value"}',
b'{"bytes":"too"}',
]
)
assert data == (
b'{"key":"value"}\n'
b'{"number":0.1,"one":1}\n'
b'{"list":[1,2,3]}\n'
b'{"unicode":"\xe4\xbd\xa0\xe5\xa5\xbd\xed\xa9\xaa"}\n'
b'{"key:"value"}\n'
b'{"bytes":"too"}\n'
)
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