| Patrick Williams | c124f4f | 2015-09-15 14:41:29 -0500 | [diff] [blame] | 1 | import unittest |
| 2 | import oe, oe.path |
| 3 | import tempfile |
| 4 | import os |
| 5 | import errno |
| 6 | import shutil |
| 7 | |
| 8 | class TestRealPath(unittest.TestCase): |
| 9 | DIRS = [ "a", "b", "etc", "sbin", "usr", "usr/bin", "usr/binX", "usr/sbin", "usr/include", "usr/include/gdbm" ] |
| 10 | FILES = [ "etc/passwd", "b/file" ] |
| 11 | LINKS = [ |
| 12 | ( "bin", "/usr/bin", "/usr/bin" ), |
| 13 | ( "binX", "usr/binX", "/usr/binX" ), |
| 14 | ( "c", "broken", "/broken" ), |
| 15 | ( "etc/passwd-1", "passwd", "/etc/passwd" ), |
| 16 | ( "etc/passwd-2", "passwd-1", "/etc/passwd" ), |
| 17 | ( "etc/passwd-3", "/etc/passwd-1", "/etc/passwd" ), |
| 18 | ( "etc/shadow-1", "/etc/shadow", "/etc/shadow" ), |
| 19 | ( "etc/shadow-2", "/etc/shadow-1", "/etc/shadow" ), |
| 20 | ( "prog-A", "bin/prog-A", "/usr/bin/prog-A" ), |
| 21 | ( "prog-B", "/bin/prog-B", "/usr/bin/prog-B" ), |
| 22 | ( "usr/bin/prog-C", "../../sbin/prog-C", "/sbin/prog-C" ), |
| 23 | ( "usr/bin/prog-D", "/sbin/prog-D", "/sbin/prog-D" ), |
| 24 | ( "usr/binX/prog-E", "../sbin/prog-E", None ), |
| 25 | ( "usr/bin/prog-F", "../../../sbin/prog-F", "/sbin/prog-F" ), |
| 26 | ( "loop", "a/loop", None ), |
| 27 | ( "a/loop", "../loop", None ), |
| 28 | ( "b/test", "file/foo", "/b/file/foo" ), |
| 29 | ] |
| 30 | |
| 31 | LINKS_PHYS = [ |
| 32 | ( "./", "/", "" ), |
| 33 | ( "binX/prog-E", "/usr/sbin/prog-E", "/sbin/prog-E" ), |
| 34 | ] |
| 35 | |
| 36 | EXCEPTIONS = [ |
| 37 | ( "loop", errno.ELOOP ), |
| 38 | ( "b/test", errno.ENOENT ), |
| 39 | ] |
| 40 | |
| 41 | def __del__(self): |
| 42 | try: |
| 43 | #os.system("tree -F %s" % self.tmpdir) |
| 44 | shutil.rmtree(self.tmpdir) |
| 45 | except: |
| 46 | pass |
| 47 | |
| 48 | def setUp(self): |
| 49 | self.tmpdir = tempfile.mkdtemp(prefix = "oe-test_path") |
| 50 | self.root = os.path.join(self.tmpdir, "R") |
| 51 | |
| 52 | os.mkdir(os.path.join(self.tmpdir, "_real")) |
| 53 | os.symlink("_real", self.root) |
| 54 | |
| 55 | for d in self.DIRS: |
| 56 | os.mkdir(os.path.join(self.root, d)) |
| 57 | for f in self.FILES: |
| 58 | file(os.path.join(self.root, f), "w") |
| 59 | for l in self.LINKS: |
| 60 | os.symlink(l[1], os.path.join(self.root, l[0])) |
| 61 | |
| 62 | def __realpath(self, file, use_physdir, assume_dir = True): |
| 63 | return oe.path.realpath(os.path.join(self.root, file), self.root, |
| 64 | use_physdir, assume_dir = assume_dir) |
| 65 | |
| 66 | def test_norm(self): |
| 67 | for l in self.LINKS: |
| 68 | if l[2] == None: |
| 69 | continue |
| 70 | |
| 71 | target_p = self.__realpath(l[0], True) |
| 72 | target_l = self.__realpath(l[0], False) |
| 73 | |
| 74 | if l[2] != False: |
| 75 | self.assertEqual(target_p, target_l) |
| 76 | self.assertEqual(l[2], target_p[len(self.root):]) |
| 77 | |
| 78 | def test_phys(self): |
| 79 | for l in self.LINKS_PHYS: |
| 80 | target_p = self.__realpath(l[0], True) |
| 81 | target_l = self.__realpath(l[0], False) |
| 82 | |
| 83 | self.assertEqual(l[1], target_p[len(self.root):]) |
| 84 | self.assertEqual(l[2], target_l[len(self.root):]) |
| 85 | |
| 86 | def test_loop(self): |
| 87 | for e in self.EXCEPTIONS: |
| 88 | self.assertRaisesRegexp(OSError, r'\[Errno %u\]' % e[1], |
| 89 | self.__realpath, e[0], False, False) |