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