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import unittest
import oe, oe.path
import tempfile
import os
import errno
import shutil
class TestRealPath(unittest.TestCase):
DIRS = [ "a", "b", "etc", "sbin", "usr", "usr/bin", "usr/binX", "usr/sbin", "usr/include", "usr/include/gdbm" ]
FILES = [ "etc/passwd", "b/file" ]
LINKS = [
( "bin", "/usr/bin", "/usr/bin" ),
( "binX", "usr/binX", "/usr/binX" ),
( "c", "broken", "/broken" ),
( "etc/passwd-1", "passwd", "/etc/passwd" ),
( "etc/passwd-2", "passwd-1", "/etc/passwd" ),
( "etc/passwd-3", "/etc/passwd-1", "/etc/passwd" ),
( "etc/shadow-1", "/etc/shadow", "/etc/shadow" ),
( "etc/shadow-2", "/etc/shadow-1", "/etc/shadow" ),
( "prog-A", "bin/prog-A", "/usr/bin/prog-A" ),
( "prog-B", "/bin/prog-B", "/usr/bin/prog-B" ),
( "usr/bin/prog-C", "../../sbin/prog-C", "/sbin/prog-C" ),
( "usr/bin/prog-D", "/sbin/prog-D", "/sbin/prog-D" ),
( "usr/binX/prog-E", "../sbin/prog-E", None ),
( "usr/bin/prog-F", "../../../sbin/prog-F", "/sbin/prog-F" ),
( "loop", "a/loop", None ),
( "a/loop", "../loop", None ),
( "b/test", "file/foo", "/b/file/foo" ),
]
LINKS_PHYS = [
( "./", "/", "" ),
( "binX/prog-E", "/usr/sbin/prog-E", "/sbin/prog-E" ),
]
EXCEPTIONS = [
( "loop", errno.ELOOP ),
( "b/test", errno.ENOENT ),
]
def __del__(self):
try:
#os.system("tree -F %s" % self.tmpdir)
shutil.rmtree(self.tmpdir)
except:
pass
def setUp(self):
self.tmpdir = tempfile.mkdtemp(prefix = "oe-test_path")
self.root = os.path.join(self.tmpdir, "R")
os.mkdir(os.path.join(self.tmpdir, "_real"))
os.symlink("_real", self.root)
for d in self.DIRS:
os.mkdir(os.path.join(self.root, d))
for f in self.FILES:
open(os.path.join(self.root, f), "w")
for l in self.LINKS:
os.symlink(l[1], os.path.join(self.root, l[0]))
def __realpath(self, file, use_physdir, assume_dir = True):
return oe.path.realpath(os.path.join(self.root, file), self.root,
use_physdir, assume_dir = assume_dir)
def test_norm(self):
for l in self.LINKS:
if l[2] == None:
continue
target_p = self.__realpath(l[0], True)
target_l = self.__realpath(l[0], False)
if l[2] != False:
self.assertEqual(target_p, target_l)
self.assertEqual(l[2], target_p[len(self.root):])
def test_phys(self):
for l in self.LINKS_PHYS:
target_p = self.__realpath(l[0], True)
target_l = self.__realpath(l[0], False)
self.assertEqual(l[1], target_p[len(self.root):])
self.assertEqual(l[2], target_l[len(self.root):])
def test_loop(self):
for e in self.EXCEPTIONS:
self.assertRaisesRegexp(OSError, r'\[Errno %u\]' % e[1],
self.__realpath, e[0], False, False)
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