mirror of
https://github.com/python/cpython.git
synced 2025-07-23 19:25:40 +00:00
041b3baf53
svn+ssh://pythondev@svn.python.org/python/branches/py3k ........ r73934 | amaury.forgeotdarc | 2009-07-11 11:35:13 +0200 (sam., 11 juil. 2009) | 3 lines #6358: Merge r73933: Add basic tests for the return value of os.popen().close(). And fix the implementation to make these tests pass with py3k ........
56 lines
1.7 KiB
Python
56 lines
1.7 KiB
Python
#! /usr/bin/env python
|
|
"""Basic tests for os.popen()
|
|
|
|
Particularly useful for platforms that fake popen.
|
|
"""
|
|
|
|
import unittest
|
|
from test import support
|
|
import os, sys
|
|
|
|
# Test that command-lines get down as we expect.
|
|
# To do this we execute:
|
|
# python -c "import sys;print(sys.argv)" {rest_of_commandline}
|
|
# This results in Python being spawned and printing the sys.argv list.
|
|
# We can then eval() the result of this, and see what each argv was.
|
|
python = sys.executable
|
|
if ' ' in python:
|
|
python = '"' + python + '"' # quote embedded space for cmdline
|
|
|
|
class PopenTest(unittest.TestCase):
|
|
|
|
def _do_test_commandline(self, cmdline, expected):
|
|
cmd = '%s -c "import sys; print(sys.argv)" %s'
|
|
cmd = cmd % (python, cmdline)
|
|
data = os.popen(cmd).read()
|
|
got = eval(data)[1:] # strip off argv[0]
|
|
self.assertEqual(got, expected)
|
|
|
|
def test_popen(self):
|
|
self.assertRaises(TypeError, os.popen)
|
|
self._do_test_commandline(
|
|
"foo bar",
|
|
["foo", "bar"]
|
|
)
|
|
self._do_test_commandline(
|
|
'foo "spam and eggs" "silly walk"',
|
|
["foo", "spam and eggs", "silly walk"]
|
|
)
|
|
self._do_test_commandline(
|
|
'foo "a \\"quoted\\" arg" bar',
|
|
["foo", 'a "quoted" arg', "bar"]
|
|
)
|
|
support.reap_children()
|
|
|
|
def test_return_code(self):
|
|
self.assertEqual(os.popen("exit 0").close(), None)
|
|
if os.name == 'nt':
|
|
self.assertEqual(os.popen("exit 42").close(), 42)
|
|
else:
|
|
self.assertEqual(os.popen("exit 42").close(), 42 << 8)
|
|
|
|
def test_main():
|
|
support.run_unittest(PopenTest)
|
|
|
|
if __name__ == "__main__":
|
|
test_main()
|