78 lines
2.2 KiB
Python
78 lines
2.2 KiB
Python
"""
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``tractor`` testing!!
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"""
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import random
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import platform
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import pytest
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import tractor
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from tractor.testing import tractor_test
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pytest_plugins = ['pytester']
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_arb_addr = '127.0.0.1', random.randint(1000, 9999)
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def pytest_addoption(parser):
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parser.addoption(
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"--ll", action="store", dest='loglevel',
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default=None, help="logging level to set when testing"
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)
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parser.addoption(
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"--spawn-backend", action="store", dest='spawn_backend',
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default='trio_run_in_process',
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help="Processing spawning backend to use for test run",
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)
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def pytest_configure(config):
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backend = config.option.spawn_backend
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if platform.system() == "Windows":
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backend = 'mp'
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if backend == 'mp':
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tractor._spawn.try_set_start_method('spawn')
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elif backend == 'trio_run_in_process':
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tractor._spawn.try_set_start_method(backend)
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@pytest.fixture(scope='session', autouse=True)
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def loglevel(request):
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orig = tractor.log._default_loglevel
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level = tractor.log._default_loglevel = request.config.option.loglevel
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yield level
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tractor.log._default_loglevel = orig
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@pytest.fixture(scope='session')
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def arb_addr():
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return _arb_addr
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def pytest_generate_tests(metafunc):
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spawn_backend = metafunc.config.option.spawn_backend
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if not spawn_backend:
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# XXX some weird windows bug with `pytest`?
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spawn_backend = 'mp'
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assert spawn_backend in ('mp', 'trio_run_in_process')
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if 'start_method' in metafunc.fixturenames:
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if spawn_backend == 'mp':
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from multiprocessing import get_all_start_methods
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methods = get_all_start_methods()
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if 'fork' in methods:
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# fork not available on windows, so check before
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# removing XXX: the fork method is in general
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# incompatible with trio's global scheduler state
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methods.remove('fork')
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elif spawn_backend == 'trio_run_in_process':
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if platform.system() == "Windows":
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pytest.fail(
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"Only `--spawn-backend=mp` is supported on Windows")
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methods = ['trio_run_in_process']
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metafunc.parametrize("start_method", methods, scope='module')
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