cpython/Lib/test/test_openpty.py

26 lines
681 B
Python

# Test to see if openpty works. (But don't worry if it isn't available.)
import os, unittest
from test.test_support import run_unittest
if not hasattr(os, "openpty"):
raise unittest.SkipTest, "No openpty() available."
class OpenptyTest(unittest.TestCase):
def test(self):
master, slave = os.openpty()
self.addCleanup(os.close, master)
self.addCleanup(os.close, slave)
if not os.isatty(slave):
self.fail("Slave-end of pty is not a terminal.")
os.write(slave, 'Ping!')
self.assertEqual(os.read(master, 1024), 'Ping!')
def test_main():
run_unittest(OpenptyTest)
if __name__ == '__main__':
test_main()