89 lines
2.5 KiB
Python
89 lines
2.5 KiB
Python
import multiprocessing
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import pickle
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import random
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import signal
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import pytest
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from sanic import Blueprint
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from sanic.response import text
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from sanic.testing import HOST, PORT
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@pytest.mark.skipif(
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not hasattr(signal, "SIGALRM"),
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reason="SIGALRM is not implemented for this platform, we have to come "
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"up with another timeout strategy to test these",
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)
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def test_multiprocessing(app):
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"""Tests that the number of children we produce is correct"""
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# Selects a number at random so we can spot check
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num_workers = random.choice(range(2, multiprocessing.cpu_count() * 2 + 1))
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process_list = set()
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def stop_on_alarm(*args):
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for process in multiprocessing.active_children():
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process_list.add(process.pid)
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process.terminate()
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signal.signal(signal.SIGALRM, stop_on_alarm)
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signal.alarm(3)
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app.run(HOST, PORT, workers=num_workers)
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assert len(process_list) == num_workers
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@pytest.mark.skipif(
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not hasattr(signal, "SIGALRM"),
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reason="SIGALRM is not implemented for this platform",
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)
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def test_multiprocessing_with_blueprint(app):
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# Selects a number at random so we can spot check
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num_workers = random.choice(range(2, multiprocessing.cpu_count() * 2 + 1))
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process_list = set()
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def stop_on_alarm(*args):
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for process in multiprocessing.active_children():
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process_list.add(process.pid)
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process.terminate()
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signal.signal(signal.SIGALRM, stop_on_alarm)
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signal.alarm(3)
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bp = Blueprint("test_text")
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app.blueprint(bp)
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app.run(HOST, PORT, workers=num_workers)
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assert len(process_list) == num_workers
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# this function must be outside a test function so that it can be
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# able to be pickled (local functions cannot be pickled).
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def handler(request):
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return text("Hello")
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# Multiprocessing on Windows requires app to be able to be pickled
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@pytest.mark.parametrize("protocol", [3, 4])
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def test_pickle_app(app, protocol):
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app.route("/")(handler)
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p_app = pickle.dumps(app, protocol=protocol)
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del app
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up_p_app = pickle.loads(p_app)
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assert up_p_app
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request, response = up_p_app.test_client.get("/")
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assert response.text == "Hello"
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@pytest.mark.parametrize("protocol", [3, 4])
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def test_pickle_app_with_bp(app, protocol):
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bp = Blueprint("test_text")
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bp.route("/")(handler)
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app.blueprint(bp)
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p_app = pickle.dumps(app, protocol=protocol)
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del app
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up_p_app = pickle.loads(p_app)
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assert up_p_app
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request, response = up_p_app.test_client.get("/")
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assert response.text == "Hello"
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