Mark Hammond | e7fefbf | 2002-04-03 01:47:00 +0000 | [diff] [blame] | 1 | #! /usr/bin/env python |
| 2 | """Basic tests for os.popen() |
| 3 | |
| 4 | Particularly useful for platforms that fake popen. |
| 5 | """ |
| 6 | |
Walter Dörwald | 4b884a5 | 2007-01-24 00:42:19 +0000 | [diff] [blame] | 7 | import unittest |
| 8 | from test import test_support |
| 9 | import os, sys |
Mark Hammond | e7fefbf | 2002-04-03 01:47:00 +0000 | [diff] [blame] | 10 | |
| 11 | # Test that command-lines get down as we expect. |
| 12 | # To do this we execute: |
| 13 | # python -c "import sys;print sys.argv" {rest_of_commandline} |
| 14 | # This results in Python being spawned and printing the sys.argv list. |
| 15 | # We can then eval() the result of this, and see what each argv was. |
Tim Peters | 61cd0db | 2003-03-07 21:10:21 +0000 | [diff] [blame] | 16 | python = sys.executable |
| 17 | if ' ' in python: |
| 18 | python = '"' + python + '"' # quote embedded space for cmdline |
Mark Hammond | e7fefbf | 2002-04-03 01:47:00 +0000 | [diff] [blame] | 19 | |
Walter Dörwald | 4b884a5 | 2007-01-24 00:42:19 +0000 | [diff] [blame] | 20 | class PopenTest(unittest.TestCase): |
| 21 | def _do_test_commandline(self, cmdline, expected): |
| 22 | cmd = '%s -c "import sys;print sys.argv" %s' % (python, cmdline) |
| 23 | data = os.popen(cmd).read() |
| 24 | got = eval(data)[1:] # strip off argv[0] |
| 25 | self.assertEqual(got, expected) |
Mark Hammond | e7fefbf | 2002-04-03 01:47:00 +0000 | [diff] [blame] | 26 | |
Walter Dörwald | 4b884a5 | 2007-01-24 00:42:19 +0000 | [diff] [blame] | 27 | def test_popen(self): |
| 28 | self.assertRaises(TypeError, os.popen) |
| 29 | self._do_test_commandline( |
| 30 | "foo bar", |
| 31 | ["foo", "bar"] |
| 32 | ) |
| 33 | self._do_test_commandline( |
| 34 | 'foo "spam and eggs" "silly walk"', |
| 35 | ["foo", "spam and eggs", "silly walk"] |
| 36 | ) |
| 37 | self._do_test_commandline( |
| 38 | 'foo "a \\"quoted\\" arg" bar', |
| 39 | ["foo", 'a "quoted" arg', "bar"] |
| 40 | ) |
| 41 | test_support.reap_children() |
Mark Hammond | e7fefbf | 2002-04-03 01:47:00 +0000 | [diff] [blame] | 42 | |
Walter Dörwald | 4b884a5 | 2007-01-24 00:42:19 +0000 | [diff] [blame] | 43 | def test_main(): |
| 44 | test_support.run_unittest(PopenTest) |
| 45 | |
| 46 | if __name__ == "__main__": |
| 47 | test_main() |