superset/tests/unit_tests/utils/test_decorators.py
2023-07-31 09:04:09 -07:00

88 lines
2.8 KiB
Python

# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF 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.
from contextlib import nullcontext
from inspect import isclass
from typing import Any, Optional
from unittest.mock import call, Mock, patch
import pytest
from superset import app
from superset.utils import decorators
from superset.utils.backports import StrEnum
class ResponseValues(StrEnum):
FAIL = "fail"
WARN = "warn"
OK = "ok"
def test_debounce() -> None:
mock = Mock()
@decorators.debounce()
def myfunc(arg1: int, arg2: int, kwarg1: str = "abc", kwarg2: int = 2) -> int:
mock(arg1, kwarg1)
return arg1 + arg2 + kwarg2
# should be called only once when arguments don't change
myfunc(1, 1)
myfunc(1, 1)
result = myfunc(1, 1)
mock.assert_called_once_with(1, "abc")
assert result == 4
# kwarg order shouldn't matter
myfunc(1, 0, kwarg2=2, kwarg1="haha")
result = myfunc(1, 0, kwarg1="haha", kwarg2=2)
mock.assert_has_calls([call(1, "abc"), call(1, "haha")])
assert result == 3
@pytest.mark.parametrize(
"response_value, expected_exception, expected_result",
[
(ResponseValues.OK, None, "custom.prefix.ok"),
(ResponseValues.FAIL, ValueError, "custom.prefix.error"),
(ResponseValues.WARN, FileNotFoundError, "custom.prefix.warn"),
],
)
def test_statsd_gauge(
response_value: str, expected_exception: Optional[Exception], expected_result: str
) -> None:
@decorators.statsd_gauge("custom.prefix")
def my_func(response: ResponseValues, *args: Any, **kwargs: Any) -> str:
if response == ResponseValues.FAIL:
raise ValueError("Error")
if response == ResponseValues.WARN:
raise FileNotFoundError("Not found")
return "OK"
with patch.object(app.config["STATS_LOGGER"], "gauge") as mock:
cm = (
pytest.raises(expected_exception)
if isclass(expected_exception) and issubclass(expected_exception, Exception)
else nullcontext()
)
with cm:
my_func(response_value, 1, 2)
mock.assert_called_once_with(expected_result, 1)