4f90632b1d
Manage global event loop so that it is accessible to threads other than the asyncio thread. In particular, the Plugins thread needs to reference it in its on_stop().
89 lines
2.6 KiB
Python
89 lines
2.6 KiB
Python
import asyncio
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import os
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import unittest
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import threading
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import tempfile
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import shutil
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import electrum
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import electrum.logging
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from electrum import constants
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from electrum import util
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# Set this locally to make the test suite run faster.
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# If set, unit tests that would normally test functions with multiple implementations,
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# will only be run once, using the fastest implementation.
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# e.g. libsecp256k1 vs python-ecdsa. pycryptodomex vs pyaes.
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FAST_TESTS = False
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electrum.logging._configure_stderr_logging()
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electrum.util.AS_LIB_USER_I_WANT_TO_MANAGE_MY_OWN_ASYNCIO_LOOP = True
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class ElectrumTestCase(unittest.IsolatedAsyncioTestCase):
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"""Base class for our unit tests."""
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TESTNET = False
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# maxDiff = None # for debugging
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# some unit tests are modifying globals... so we run sequentially:
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_test_lock = threading.Lock()
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@classmethod
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def setUpClass(cls):
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super().setUpClass()
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if cls.TESTNET:
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constants.set_testnet()
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@classmethod
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def tearDownClass(cls):
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super().tearDownClass()
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if cls.TESTNET:
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constants.set_mainnet()
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def setUp(self):
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self._test_lock.acquire()
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super().setUp()
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self.electrum_path = tempfile.mkdtemp()
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assert util._asyncio_event_loop is None, "global event loop already set?!"
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async def asyncSetUp(self):
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await super().asyncSetUp()
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loop = util.get_asyncio_loop()
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# IsolatedAsyncioTestCase creates event loops with debug=True, which makes the tests take ~4x time
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if not (os.environ.get("PYTHONASYNCIODEBUG") or os.environ.get("PYTHONDEVMODE")):
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loop.set_debug(False)
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util._asyncio_event_loop = loop
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def tearDown(self):
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shutil.rmtree(self.electrum_path)
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super().tearDown()
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util._asyncio_event_loop = None # cleared here, at the ~last possible moment. asyncTearDown is too early.
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self._test_lock.release()
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def as_testnet(func):
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"""Function decorator to run a single unit test in testnet mode.
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NOTE: this is inherently sequential; tests running in parallel would break things
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"""
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old_net = constants.net
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if asyncio.iscoroutinefunction(func):
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async def run_test(*args, **kwargs):
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try:
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constants.set_testnet()
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return await func(*args, **kwargs)
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finally:
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constants.net = old_net
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else:
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def run_test(*args, **kwargs):
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try:
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constants.set_testnet()
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return func(*args, **kwargs)
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finally:
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constants.net = old_net
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return run_test
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