mirror of https://github.com/python/cpython
113 lines
3.7 KiB
Python
113 lines
3.7 KiB
Python
# Tests invocation of the interpreter with various command line arguments
|
|
# All tests are executed with environment variables ignored
|
|
# See test_cmd_line_script.py for testing of script execution
|
|
|
|
import test.test_support, unittest
|
|
import sys
|
|
import subprocess
|
|
|
|
def _spawn_python(*args):
|
|
cmd_line = [sys.executable, '-E']
|
|
cmd_line.extend(args)
|
|
return subprocess.Popen(cmd_line, stdin=subprocess.PIPE,
|
|
stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
|
|
|
|
def _kill_python(p):
|
|
p.stdin.close()
|
|
data = p.stdout.read()
|
|
p.stdout.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.
|
|
subprocess._cleanup()
|
|
return data
|
|
|
|
class CmdLineTest(unittest.TestCase):
|
|
def start_python(self, *args):
|
|
p = _spawn_python(*args)
|
|
return _kill_python(p)
|
|
|
|
def exit_code(self, *args):
|
|
cmd_line = [sys.executable, '-E']
|
|
cmd_line.extend(args)
|
|
return subprocess.call(cmd_line, stdout=subprocess.PIPE,
|
|
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 == b'' or data.endswith(b'\n'))
|
|
self.assertTrue(b'Traceback' not in data)
|
|
|
|
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(b'usage' in self.start_python('-h'))
|
|
|
|
def test_version(self):
|
|
version = ('Python %d.%d' % sys.version_info[:2]).encode("ascii")
|
|
self.assertTrue(self.start_python('-V').startswith(version))
|
|
|
|
def test_run_module(self):
|
|
# Test expected operation of the '-m' switch
|
|
# Switch needs an argument
|
|
self.assertNotEqual(self.exit_code('-m'), 0)
|
|
# Check we get an error for a nonexistent module
|
|
self.assertNotEqual(
|
|
self.exit_code('-m', 'fnord43520xyz'),
|
|
0)
|
|
# Check the runpy module also gives an error for
|
|
# a nonexistent module
|
|
self.assertNotEqual(
|
|
self.exit_code('-m', 'runpy', 'fnord43520xyz'),
|
|
0)
|
|
# All good if module is located and run successfully
|
|
self.assertEqual(
|
|
self.exit_code('-m', 'timeit', '-n', '1'),
|
|
0)
|
|
|
|
def test_run_module_bug1764407(self):
|
|
# -m and -i need to play well together
|
|
# Runs the timeit module and checks the __main__
|
|
# namespace has been populated appropriately
|
|
p = _spawn_python('-i', '-m', 'timeit', '-n', '1')
|
|
p.stdin.write(b'Timer\n')
|
|
p.stdin.write(b'exit()\n')
|
|
data = _kill_python(p)
|
|
self.assertTrue(data.find(b'1 loop') != -1)
|
|
self.assertTrue(data.find(b'__main__.Timer') != -1)
|
|
|
|
def test_run_code(self):
|
|
# Test expected operation of the '-c' switch
|
|
# Switch needs an argument
|
|
self.assertNotEqual(self.exit_code('-c'), 0)
|
|
# Check we get an error for an uncaught exception
|
|
self.assertNotEqual(
|
|
self.exit_code('-c', 'raise Exception'),
|
|
0)
|
|
# All good if execution is successful
|
|
self.assertEqual(
|
|
self.exit_code('-c', 'pass'),
|
|
0)
|
|
|
|
|
|
def test_main():
|
|
test.test_support.run_unittest(CmdLineTest)
|
|
test.test_support.reap_children()
|
|
|
|
if __name__ == "__main__":
|
|
test_main()
|