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| #
| # SPDX-License-Identifier: MIT
| #
|
| from unittest.case import TestCase
| import oe, oe.path
| import tempfile
| import os
| import errno
| import shutil
|
| class TestRealPath(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 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 tearDown(self):
| shutil.rmtree(self.tmpdir)
|
| 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.assertRaisesRegex(OSError, r'\[Errno %u\]' % e[1],
| self.__realpath, e[0], False, False)
|
|
