[Python-checkins] cpython (2.7): transplant test_stat from default to 2.7 in order to make sure it works on all
christian.heimes
python-checkins at python.org
Sat Jun 22 18:58:59 CEST 2013
http://hg.python.org/cpython/rev/d7e2fe965fdd
changeset: 84252:d7e2fe965fdd
branch: 2.7
user: Christian Heimes <christian at cheimes.de>
date: Sat Jun 22 18:58:51 2013 +0200
summary:
transplant test_stat from default to 2.7 in order to make sure it works on all supported platforms
files:
Lib/test/test_stat.py | 171 ++++++++++++++++++++++++++++++
1 files changed, 171 insertions(+), 0 deletions(-)
diff --git a/Lib/test/test_stat.py b/Lib/test/test_stat.py
new file mode 100644
--- /dev/null
+++ b/Lib/test/test_stat.py
@@ -0,0 +1,171 @@
+import unittest
+import os
+from test.test_support import TESTFN, run_unittest
+import stat
+
+class TestFilemode(unittest.TestCase):
+ file_flags = {'SF_APPEND', 'SF_ARCHIVED', 'SF_IMMUTABLE', 'SF_NOUNLINK',
+ 'SF_SNAPSHOT', 'UF_APPEND', 'UF_COMPRESSED', 'UF_HIDDEN',
+ 'UF_IMMUTABLE', 'UF_NODUMP', 'UF_NOUNLINK', 'UF_OPAQUE'}
+
+ formats = {'S_IFBLK', 'S_IFCHR', 'S_IFDIR', 'S_IFIFO', 'S_IFLNK',
+ 'S_IFREG', 'S_IFSOCK'}
+
+ format_funcs = {'S_ISBLK', 'S_ISCHR', 'S_ISDIR', 'S_ISFIFO', 'S_ISLNK',
+ 'S_ISREG', 'S_ISSOCK'}
+
+ stat_struct = {
+ 'ST_MODE': 0,
+ 'ST_INO': 1,
+ 'ST_DEV': 2,
+ 'ST_NLINK': 3,
+ 'ST_UID': 4,
+ 'ST_GID': 5,
+ 'ST_SIZE': 6,
+ 'ST_ATIME': 7,
+ 'ST_MTIME': 8,
+ 'ST_CTIME': 9}
+
+ # permission bit value are defined by POSIX
+ permission_bits = {
+ 'S_ISUID': 0o4000,
+ 'S_ISGID': 0o2000,
+ 'S_ENFMT': 0o2000,
+ 'S_ISVTX': 0o1000,
+ 'S_IRWXU': 0o700,
+ 'S_IRUSR': 0o400,
+ 'S_IREAD': 0o400,
+ 'S_IWUSR': 0o200,
+ 'S_IWRITE': 0o200,
+ 'S_IXUSR': 0o100,
+ 'S_IEXEC': 0o100,
+ 'S_IRWXG': 0o070,
+ 'S_IRGRP': 0o040,
+ 'S_IWGRP': 0o020,
+ 'S_IXGRP': 0o010,
+ 'S_IRWXO': 0o007,
+ 'S_IROTH': 0o004,
+ 'S_IWOTH': 0o002,
+ 'S_IXOTH': 0o001}
+
+ def setUp(self):
+ try:
+ os.remove(TESTFN)
+ except OSError:
+ try:
+ os.rmdir(TESTFN)
+ except OSError:
+ pass
+ tearDown = setUp
+
+ def get_mode(self, fname=TESTFN):
+ return os.lstat(fname).st_mode
+
+ def assertS_IS(self, name, mode):
+ # test format, lstrip is for S_IFIFO
+ fmt = getattr(stat, "S_IF" + name.lstrip("F"))
+ self.assertEqual(stat.S_IFMT(mode), fmt)
+ # test that just one function returns true
+ testname = "S_IS" + name
+ for funcname in self.format_funcs:
+ func = getattr(stat, funcname, None)
+ if func is None:
+ if funcname == testname:
+ raise ValueError(funcname)
+ continue
+ if funcname == testname:
+ self.assertTrue(func(mode))
+ else:
+ self.assertFalse(func(mode))
+
+ def test_mode(self):
+ with open(TESTFN, 'w'):
+ pass
+ if os.name == 'posix':
+ os.chmod(TESTFN, 0o700)
+ st_mode = self.get_mode()
+ self.assertS_IS("REG", st_mode)
+ self.assertEqual(stat.S_IMODE(st_mode),
+ stat.S_IRWXU)
+
+ os.chmod(TESTFN, 0o070)
+ st_mode = self.get_mode()
+ self.assertS_IS("REG", st_mode)
+ self.assertEqual(stat.S_IMODE(st_mode),
+ stat.S_IRWXG)
+
+ os.chmod(TESTFN, 0o007)
+ st_mode = self.get_mode()
+ self.assertS_IS("REG", st_mode)
+ self.assertEqual(stat.S_IMODE(st_mode),
+ stat.S_IRWXO)
+
+ os.chmod(TESTFN, 0o444)
+ st_mode = self.get_mode()
+ self.assertS_IS("REG", st_mode)
+ self.assertEqual(stat.S_IMODE(st_mode), 0o444)
+ else:
+ os.chmod(TESTFN, 0o700)
+ st_mode = self.get_mode()
+ self.assertS_IS("REG", st_mode)
+ self.assertEqual(stat.S_IFMT(st_mode),
+ stat.S_IFREG)
+
+ def test_directory(self):
+ os.mkdir(TESTFN)
+ os.chmod(TESTFN, 0o700)
+ st_mode = self.get_mode()
+ self.assertS_IS("DIR", st_mode)
+
+ @unittest.skipUnless(hasattr(os, 'symlink'), 'os.symlink not available')
+ def test_link(self):
+ try:
+ os.symlink(os.getcwd(), TESTFN)
+ except (OSError, NotImplementedError) as err:
+ raise unittest.SkipTest(str(err))
+ else:
+ st_mode = self.get_mode()
+ self.assertS_IS("LNK", st_mode)
+
+ @unittest.skipUnless(hasattr(os, 'mkfifo'), 'os.mkfifo not available')
+ def test_fifo(self):
+ os.mkfifo(TESTFN, 0o700)
+ st_mode = self.get_mode()
+ self.assertS_IS("FIFO", st_mode)
+
+ @unittest.skipUnless(os.name == 'posix', 'requires Posix')
+ def test_devices(self):
+ if os.path.exists(os.devnull):
+ st_mode = self.get_mode(os.devnull)
+ self.assertS_IS("CHR", st_mode)
+ # Linux block devices, BSD has no block devices anymore
+ for blockdev in ("/dev/sda", "/dev/hda"):
+ if os.path.exists(blockdev):
+ st_mode = self.get_mode(blockdev)
+ self.assertS_IS("BLK", st_mode)
+ break
+
+ def test_module_attributes(self):
+ for key, value in self.stat_struct.items():
+ modvalue = getattr(stat, key)
+ self.assertEqual(value, modvalue, key)
+ for key, value in self.permission_bits.items():
+ modvalue = getattr(stat, key)
+ self.assertEqual(value, modvalue, key)
+ for key in self.file_flags:
+ modvalue = getattr(stat, key)
+ self.assertIsInstance(modvalue, int)
+ for key in self.formats:
+ modvalue = getattr(stat, key)
+ self.assertIsInstance(modvalue, int)
+ for key in self.format_funcs:
+ func = getattr(stat, key)
+ self.assertTrue(callable(func))
+ self.assertEqual(func(0), 0)
+
+
+def test_main():
+ run_unittest(TestFilemode)
+
+if __name__ == '__main__':
+ test_main()
--
Repository URL: http://hg.python.org/cpython
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