cpython/Lib/test/test_cmd_line.py

58 lines
1.7 KiB
Python

import test.test_support, unittest
import sys
import popen2
import subprocess
class CmdLineTest(unittest.TestCase):
def start_python(self, cmd_line):
outfp, infp = popen2.popen4('%s %s' % (sys.executable, cmd_line))
infp.close()
data = outfp.read()
outfp.close()
# try to cleanup the child so we don't appear to leak when running
# with regrtest -R. This should be a no-op on Windows.
popen2._cleanup()
return data
def exit_code(self, cmd_line):
return subprocess.call([sys.executable, cmd_line], stderr=subprocess.PIPE)
def test_directories(self):
self.assertNotEqual(self.exit_code('.'), 0)
self.assertNotEqual(self.exit_code('< .'), 0)
def verify_valid_flag(self, cmd_line):
data = self.start_python(cmd_line)
self.assertTrue(data == '' or data.endswith('\n'))
self.assertTrue('Traceback' not in data)
def test_environment(self):
self.verify_valid_flag('-E')
def test_optimize(self):
self.verify_valid_flag('-O')
self.verify_valid_flag('-OO')
def test_q(self):
self.verify_valid_flag('-Qold')
self.verify_valid_flag('-Qnew')
self.verify_valid_flag('-Qwarn')
self.verify_valid_flag('-Qwarnall')
def test_site_flag(self):
self.verify_valid_flag('-S')
def test_usage(self):
self.assertTrue('usage' in self.start_python('-h'))
def test_version(self):
version = 'Python %d.%d' % sys.version_info[:2]
self.assertTrue(self.start_python('-V').startswith(version))
def test_main():
test.test_support.run_unittest(CmdLineTest)
if __name__ == "__main__":
test_main()