cpython/Lib/test/test_imp.py
Guido van Rossum ce3a72aec6 Patch 1267 by Christian Heimes.
Move the initialization of sys.std{in,out,err} and __builtin__.open
to C code.
This solves the problem that "python -S" wouldn't work.
2007-10-19 23:16:50 +00:00

54 lines
1.4 KiB
Python

import imp
import thread
import unittest
from test import test_support
class LockTests(unittest.TestCase):
"""Very basic test of import lock functions."""
def verify_lock_state(self, expected):
self.failUnlessEqual(imp.lock_held(), expected,
"expected imp.lock_held() to be %r" % expected)
def testLock(self):
LOOPS = 50
# The import lock may already be held, e.g. if the test suite is run
# via "import test.autotest".
lock_held_at_start = imp.lock_held()
self.verify_lock_state(lock_held_at_start)
for i in range(LOOPS):
imp.acquire_lock()
self.verify_lock_state(True)
for i in range(LOOPS):
imp.release_lock()
# The original state should be restored now.
self.verify_lock_state(lock_held_at_start)
if not lock_held_at_start:
try:
imp.release_lock()
except RuntimeError:
pass
else:
self.fail("release_lock() without lock should raise "
"RuntimeError")
class ImportTests(unittest.TestCase):
def test_find_module_encoding(self):
fd = imp.find_module("heapq")[0]
self.assertEqual(fd.encoding, "iso-8859-1")
def test_main():
test_support.run_unittest(
LockTests,
ImportTests,
)
if __name__ == "__main__":
test_main()