mirror of https://github.com/python/cpython
116 lines
2.5 KiB
Python
116 lines
2.5 KiB
Python
import sys
|
|
import unittest
|
|
import StringIO
|
|
import atexit
|
|
from test import test_support
|
|
|
|
### helpers
|
|
def h1():
|
|
print("h1")
|
|
|
|
def h2():
|
|
print("h2")
|
|
|
|
def h3():
|
|
print("h3")
|
|
|
|
def h4(*args, **kwargs):
|
|
print("h4", args, kwargs)
|
|
|
|
def raise1():
|
|
raise TypeError
|
|
|
|
def raise2():
|
|
raise SystemError
|
|
|
|
class TestCase(unittest.TestCase):
|
|
def setUp(self):
|
|
self.stream = StringIO.StringIO()
|
|
sys.stdout = sys.stderr = self.stream
|
|
atexit._clear()
|
|
|
|
def tearDown(self):
|
|
sys.stdout = sys.__stdout__
|
|
sys.stderr = sys.__stderr__
|
|
atexit._clear()
|
|
|
|
def test_args(self):
|
|
# be sure args are handled properly
|
|
atexit.register(h1)
|
|
atexit.register(h4)
|
|
atexit.register(h4, 4, kw="abc")
|
|
atexit._run_exitfuncs()
|
|
|
|
self.assertEqual(self.stream.getvalue(),
|
|
"h4 (4,) {'kw': 'abc'}\nh4 () {}\nh1\n")
|
|
|
|
def test_order(self):
|
|
# be sure handlers are executed in reverse order
|
|
atexit.register(h1)
|
|
atexit.register(h2)
|
|
atexit.register(h3)
|
|
atexit._run_exitfuncs()
|
|
|
|
self.assertEqual(self.stream.getvalue(), "h3\nh2\nh1\n")
|
|
|
|
def test_raise(self):
|
|
# be sure raises are handled properly
|
|
atexit.register(raise1)
|
|
atexit.register(raise2)
|
|
|
|
self.assertRaises(TypeError, atexit._run_exitfuncs)
|
|
|
|
def test_stress(self):
|
|
a = [0]
|
|
def inc():
|
|
a[0] += 1
|
|
|
|
for i in range(128):
|
|
atexit.register(inc)
|
|
atexit._run_exitfuncs()
|
|
|
|
self.assertEqual(a[0], 128)
|
|
|
|
def test_clear(self):
|
|
a = [0]
|
|
def inc():
|
|
a[0] += 1
|
|
|
|
atexit.register(inc)
|
|
atexit._clear()
|
|
atexit._run_exitfuncs()
|
|
|
|
self.assertEqual(a[0], 0)
|
|
|
|
def test_unregister(self):
|
|
a = [0]
|
|
def inc():
|
|
a[0] += 1
|
|
def dec():
|
|
a[0] -= 1
|
|
|
|
for i in range(4):
|
|
atexit.register(inc)
|
|
atexit.register(dec)
|
|
atexit.unregister(inc)
|
|
atexit._run_exitfuncs()
|
|
|
|
self.assertEqual(a[0], -1)
|
|
|
|
def test_bound_methods(self):
|
|
l = []
|
|
atexit.register(l.append, 5)
|
|
atexit._run_exitfuncs()
|
|
self.assertEqual(l, [5])
|
|
|
|
atexit.unregister(l.append)
|
|
atexit._run_exitfuncs()
|
|
self.assertEqual(l, [5])
|
|
|
|
|
|
def test_main():
|
|
test_support.run_unittest(TestCase)
|
|
|
|
if __name__ == "__main__":
|
|
test_main()
|