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# --------------------------------------------------------------------------
#
# Copyright (c) Microsoft Corporation. All rights reserved.
#
# The MIT License (MIT)
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the ""Software""), to
# deal in the Software without restriction, including without limitation the
# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
# sell copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED *AS IS*, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
# IN THE SOFTWARE.
#
# --------------------------------------------------------------------------
import time
import pytest
import signal
import os
import subprocess
import random
import platform
import urllib
from rest_client import MockRestClient
def is_port_available(port_num):
req = urllib.request.Request("http://localhost:{}/health".format(port_num))
try:
return urllib.request.urlopen(req).code != 200
except Exception as e:
return True
def get_port():
count = 3
for _ in range(count):
port_num = random.randrange(3000, 5000)
if is_port_available(port_num):
return port_num
raise TypeError("Tried {} times, can't find an open port".format(count))
def start_testserver():
port = get_port()
os.environ["FLASK_APP"] = "coretestserver"
os.environ["FLASK_PORT"] = str(port)
if platform.python_implementation() == "PyPy":
# pypy is now getting mad at us for some of our encoding / text, so need
# to set these additional env vars for pypy
os.environ["LC_ALL"] = "C.UTF-8"
os.environ["LANG"] = "C.UTF-8"
cmd = "flask run -p {}".format(port)
if os.name == "nt": # On windows, subprocess creation works without being in the shell
child_process = subprocess.Popen(cmd, env=dict(os.environ))
else:
# On linux, have to set shell=True
child_process = subprocess.Popen(cmd, shell=True, preexec_fn=os.setsid, env=dict(os.environ))
count = 5
for _ in range(count):
if not is_port_available(port):
return child_process
time.sleep(1)
raise ValueError("Didn't start!")
def terminate_testserver(process):
if os.name == "nt":
process.kill()
else:
os.killpg(os.getpgid(process.pid), signal.SIGTERM) # cspell:disable-line
@pytest.fixture(scope="module")
def port():
server = start_testserver()
yield os.environ["FLASK_PORT"]
terminate_testserver(server)
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