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# (C) Copyright 2021 ECMWF.
#
# This software is licensed under the terms of the Apache Licence Version 2.0
# which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
# In applying this licence, ECMWF does not waive the privileges and immunities
# granted to it by virtue of its status as an intergovernmental organisation
# nor does it submit to any jurisdiction.
#
import logging
import os
import random
import threading
from contextlib import contextmanager
import pytest
import requests
from multiurl import download
from multiurl.http import RETRIABLE, robust
def handler(signum, frame):
raise TimeoutError()
@contextmanager
def timeout(s):
def killer():
os._exit(1)
save = threading.Timer(s, killer)
save.start()
try:
yield
finally:
save.cancel()
def test_robust():
sleep = 5
with timeout(len(RETRIABLE * sleep * 10)):
code = random.choice(RETRIABLE)
download(
f"http://httpbin.org/status/200,{code}",
retry_after=sleep,
target="test.data",
)
@pytest.mark.parametrize(
"retry_after,expected_logs",
[
[
0.1,
[
("multiurl.http", 30, "Retrying in 0.1 seconds"),
("multiurl.http", 30, "Retrying in 0.1 seconds"),
("multiurl.http", 30, "Retrying in 0.1 seconds"),
],
],
[
(0.1, 0.2, 2),
[
("multiurl.http", 30, "Retrying in 0.1 seconds"),
("multiurl.http", 30, "Retrying in 0.2 seconds"),
("multiurl.http", 30, "Retrying in 0.2 seconds"),
],
],
[
(0.1, 0.2, 0.5),
[
("multiurl.http", 30, "Retrying in 0.2 seconds"),
("multiurl.http", 30, "Retrying in 0.1 seconds"),
("multiurl.http", 30, "Retrying in 0.1 seconds"),
],
],
],
)
def test_robust_incremental_sleep(caplog, retry_after, expected_logs):
robust_get = robust(requests.get, retry_after=retry_after, maximum_tries=4)
codes = ",".join(map(str, RETRIABLE))
robust_get(f"http://httpbin.org/status/{codes}")
assert caplog.record_tuples[1::2] == expected_logs
@pytest.mark.skipif(True, reason="Mirror disabled")
def test_mirror():
download(
"http://datastore.copernicus-climate.eu/error/test-data/metview/gallery/temp.bufr",
mirrors={
"http://datastore.copernicus-climate.eu/error/": [
"http://download.ecmwf.int/"
]
},
target="data.bufr",
)
if __name__ == "__main__":
logging.basicConfig(level=logging.DEBUG)
test_mirror()
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