1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
#! /usr/bin/env python
"""Basic tests for os.popen()
Particularly useful for platforms that fake popen.
"""
import unittest
from test import test_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
class PopenTest(unittest.TestCase):
def _do_test_commandline(self, cmdline, expected):
cmd = '%s -c "import sys;print sys.argv" %s' % (python, cmdline)
data = os.popen(cmd).read() + '\n'
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"]
)
test_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():
test_support.run_unittest(PopenTest)
if __name__ == "__main__":
test_main()
|
