import unittest from test import test_support import posixpath, os from posixpath import realpath, abspath, join, dirname, basename, relpath # An absolute path to a temporary filename for testing. We can't rely on TESTFN # being an absolute path, so we need this. ABSTFN = abspath(test_support.TESTFN) def safe_rmdir(dirname): try: os.rmdir(dirname) except OSError: pass class PosixPathTest(unittest.TestCase): def setUp(self): self.tearDown() def tearDown(self): for suffix in ["", "1", "2"]: test_support.unlink(test_support.TESTFN + suffix) safe_rmdir(test_support.TESTFN + suffix) def assertIs(self, a, b): self.assert_(a is b) def test_normcase(self): # Check that normcase() is idempotent p = "FoO/./BaR" p = posixpath.normcase(p) self.assertEqual(p, posixpath.normcase(p)) self.assertRaises(TypeError, posixpath.normcase) def test_join(self): self.assertEqual(posixpath.join("/foo", "bar", "/bar", "baz"), "/bar/baz") self.assertEqual(posixpath.join("/foo", "bar", "baz"), "/foo/bar/baz") self.assertEqual(posixpath.join("/foo/", "bar/", "baz/"), "/foo/bar/baz/") self.assertRaises(TypeError, posixpath.join) def test_splitdrive(self): self.assertEqual(posixpath.splitdrive("/foo/bar"), ("", "/foo/bar")) self.assertRaises(TypeError, posixpath.splitdrive) def test_split(self): self.assertEqual(posixpath.split("/foo/bar"), ("/foo", "bar")) self.assertEqual(posixpath.split("/"), ("/", "")) self.assertEqual(posixpath.split("foo"), ("", "foo")) self.assertEqual(posixpath.split("////foo"), ("////", "foo")) self.assertEqual(posixpath.split("//foo//bar"), ("//foo", "bar")) self.assertRaises(TypeError, posixpath.split) def splitextTest(self, path, filename, ext): self.assertEqual(posixpath.splitext(path), (filename, ext)) self.assertEqual(posixpath.splitext("/" + path), ("/" + filename, ext)) self.assertEqual(posixpath.splitext("abc/" + path), ("abc/" + filename, ext)) self.assertEqual(posixpath.splitext("abc.def/" + path), ("abc.def/" + filename, ext)) self.assertEqual(posixpath.splitext("/abc.def/" + path), ("/abc.def/" + filename, ext)) self.assertEqual(posixpath.splitext(path + "/"), (filename + ext + "/", "")) def test_splitext(self): self.splitextTest("foo.bar", "foo", ".bar") self.splitextTest("foo.boo.bar", "foo.boo", ".bar") self.splitextTest("foo.boo.biff.bar", "foo.boo.biff", ".bar") self.splitextTest(".csh.rc", ".csh", ".rc") self.splitextTest("nodots", "nodots", "") self.splitextTest(".cshrc", ".cshrc", "") self.splitextTest("...manydots", "...manydots", "") self.splitextTest("...manydots.ext", "...manydots", ".ext") self.splitextTest(".", ".", "") self.splitextTest("..", "..", "") self.splitextTest("........", "........", "") self.splitextTest("", "", "") self.assertRaises(TypeError, posixpath.splitext) def test_isabs(self): self.assertIs(posixpath.isabs(""), False) self.assertIs(posixpath.isabs("/"), True) self.assertIs(posixpath.isabs("/foo"), True) self.assertIs(posixpath.isabs("/foo/bar"), True) self.assertIs(posixpath.isabs("foo/bar"), False) self.assertRaises(TypeError, posixpath.isabs) def test_splitdrive(self): self.assertEqual(posixpath.splitdrive("/foo/bar"), ("", "/foo/bar")) self.assertRaises(TypeError, posixpath.splitdrive) def test_basename(self): self.assertEqual(posixpath.basename("/foo/bar"), "bar") self.assertEqual(posixpath.basename("/"), "") self.assertEqual(posixpath.basename("foo"), "foo") self.assertEqual(posixpath.basename("////foo"), "foo") self.assertEqual(posixpath.basename("//foo//bar"), "bar") self.assertRaises(TypeError, posixpath.basename) def test_dirname(self): self.assertEqual(posixpath.dirname("/foo/bar"), "/foo") self.assertEqual(posixpath.dirname("/"), "/") self.assertEqual(posixpath.dirname("foo"), "") self.assertEqual(posixpath.dirname("////foo"), "////") self.assertEqual(posixpath.dirname("//foo//bar"), "//foo") self.assertRaises(TypeError, posixpath.dirname) def test_commonprefix(self): self.assertEqual( posixpath.commonprefix([]), "" ) self.assertEqual( posixpath.commonprefix(["/home/swenson/spam", "/home/swen/spam"]), "/home/swen" ) self.assertEqual( posixpath.commonprefix(["/home/swen/spam", "/home/swen/eggs"]), "/home/swen/" ) self.assertEqual( posixpath.commonprefix(["/home/swen/spam", "/home/swen/spam"]), "/home/swen/spam" ) testlist = ['', 'abc', 'Xbcd', 'Xb', 'XY', 'abcd', 'aXc', 'abd', 'ab', 'aX', 'abcX'] for s1 in testlist: for s2 in testlist: p = posixpath.commonprefix([s1, s2]) self.assert_(s1.startswith(p)) self.assert_(s2.startswith(p)) if s1 != s2: n = len(p) self.assertNotEqual(s1[n:n+1], s2[n:n+1]) def test_getsize(self): f = open(test_support.TESTFN, "wb") try: f.write("foo") f.close() self.assertEqual(posixpath.getsize(test_support.TESTFN), 3) finally: if not f.closed: f.close() def test_time(self): f = open(test_support.TESTFN, "wb") try: f.write("foo") f.close() f = open(test_support.TESTFN, "ab") f.write("bar") f.close() f = open(test_support.TESTFN, "rb") d = f.read() f.close() self.assertEqual(d, "foobar") self.assert_( posixpath.getctime(test_support.TESTFN) <= posixpath.getmtime(test_support.TESTFN) ) finally: if not f.closed: f.close() def test_islink(self): self.assertIs(posixpath.islink(test_support.TESTFN + "1"), False) f = open(test_support.TESTFN + "1", "wb") try: f.write("foo") f.close() self.assertIs(posixpath.islink(test_support.TESTFN + "1"), False) if hasattr(os, "symlink"): os.symlink(test_support.TESTFN + "1", test_support.TESTFN + "2") self.assertIs(posixpath.islink(test_support.TESTFN + "2"), True) os.remove(test_support.TESTFN + "1") self.assertIs(posixpath.islink(test_support.TESTFN + "2"), True) self.assertIs(posixpath.exists(test_support.TESTFN + "2"), False) self.assertIs(posixpath.lexists(test_support.TESTFN + "2"), True) finally: if not f.close(): f.close() self.assertRaises(TypeError, posixpath.islink) def test_exists(self): self.assertIs(posixpath.exists(test_support.TESTFN), False) f = open(test_support.TESTFN, "wb") try: f.write("foo") f.close() self.assertIs(posixpath.exists(test_support.TESTFN), True) self.assertIs(posixpath.lexists(test_support.TESTFN), True) finally: if not f.close(): f.close() self.assertRaises(TypeError, posixpath.exists) def test_isdir(self): self.assertIs(posixpath.isdir(test_support.TESTFN), False) f = open(test_support.TESTFN, "wb") try: f.write("foo") f.close() self.assertIs(posixpath.isdir(test_support.TESTFN), False) os.remove(test_support.TESTFN) os.mkdir(test_support.TESTFN) self.assertIs(posixpath.isdir(test_support.TESTFN), True) os.rmdir(test_support.TESTFN) finally: if not f.close(): f.close() self.assertRaises(TypeError, posixpath.isdir) def test_isfile(self): self.assertIs(posixpath.isfile(test_support.TESTFN), False) f = open(test_support.TESTFN, "wb") try: f.write("foo") f.close() self.assertIs(posixpath.isfile(test_support.TESTFN), True) os.remove(test_support.TESTFN) os.mkdir(test_support.TESTFN) self.assertIs(posixpath.isfile(test_support.TESTFN), False) os.rmdir(test_support.TESTFN) finally: if not f.close(): f.close() self.assertRaises(TypeError, posixpath.isdir) def test_samefile(self): f = open(test_support.TESTFN + "1", "wb") try: f.write("foo") f.close() self.assertIs( posixpath.samefile( test_support.TESTFN + "1", test_support.TESTFN + "1" ), True ) # If we don't have links, assume that os.stat doesn't return resonable # inode information and thus, that samefile() doesn't work if hasattr(os, "symlink"): os.symlink( test_support.TESTFN + "1", test_support.TESTFN + "2" ) self.assertIs( posixpath.samefile( test_support.TESTFN + "1", test_support.TESTFN + "2" ), True ) os.remove(test_support.TESTFN + "2") f = open(test_support.TESTFN + "2", "wb") f.write("bar") f.close() self.assertIs( posixpath.samefile( test_support.TESTFN + "1", test_support.TESTFN + "2" ), False ) finally: if not f.close(): f.close() self.assertRaises(TypeError, posixpath.samefile) def test_samestat(self): f = open(test_support.TESTFN + "1", "wb") try: f.write("foo") f.close() self.assertIs( posixpath.samestat( os.stat(test_support.TESTFN + "1"), os.stat(test_support.TESTFN + "1") ), True ) # If we don't have links, assume that os.stat() doesn't return resonable # inode information and thus, that samefile() doesn't work if hasattr(os, "symlink"): if hasattr(os, "symlink"): os.symlink(test_support.TESTFN + "1", test_support.TESTFN + "2") self.assertIs( posixpath.samestat( os.stat(test_support.TESTFN + "1"), os.stat(test_support.TESTFN + "2") ), True ) os.remove(test_support.TESTFN + "2") f = open(test_support.TESTFN + "2", "wb") f.write("bar") f.close() self.assertIs( posixpath.samestat( os.stat(test_support.TESTFN + "1"), os.stat(test_support.TESTFN + "2") ), False ) finally: if not f.close(): f.close() self.assertRaises(TypeError, posixpath.samestat) def test_ismount(self): self.assertIs(posixpath.ismount("/"), True) self.assertRaises(TypeError, posixpath.ismount) def test_expanduser(self): self.assertEqual(posixpath.expanduser("foo"), "foo") try: import pwd except ImportError: pass else: self.assert_(isinstance(posixpath.expanduser("~/"), basestring)) # if home directory == root directory, this test makes no sense if posixpath.expanduser("~") != '/': self.assertEqual( posixpath.expanduser("~") + "/", posixpath.expanduser("~/") ) self.assert_(isinstance(posixpath.expanduser("~root/"), basestring)) self.assert_(isinstance(posixpath.expanduser("~foo/"), basestring)) orig_home = os.environ['HOME'] os.environ['HOME'] = '/' self.assertEqual(posixpath.expanduser("~"), "/") os.environ['HOME'] = orig_home self.assertRaises(TypeError, posixpath.expanduser) def test_expandvars(self): oldenv = os.environ.copy() try: os.environ.clear() os.environ["foo"] = "bar" os.environ["{foo"] = "baz1" os.environ["{foo}"] = "baz2" self.assertEqual(posixpath.expandvars("foo"), "foo") self.assertEqual(posixpath.expandvars("$foo bar"), "bar bar") self.assertEqual(posixpath.expandvars("${foo}bar"), "barbar") self.assertEqual(posixpath.expandvars("$[foo]bar"), "$[foo]bar") self.assertEqual(posixpath.expandvars("$bar bar"), "$bar bar") self.assertEqual(posixpath.expandvars("$?bar"), "$?bar") self.assertEqual(posixpath.expandvars("${foo}bar"), "barbar") self.assertEqual(posixpath.expandvars("$foo}bar"), "bar}bar") self.assertEqual(posixpath.expandvars("${foo"), "${foo") self.assertEqual(posixpath.expandvars("${{foo}}"), "baz1}") self.assertEqual(posixpath.expandvars("$foo$foo"), "barbar") self.assertEqual(posixpath.expandvars("$bar$bar"), "$bar$bar") finally: os.environ.clear() os.environ.update(oldenv) self.assertRaises(TypeError, posixpath.expandvars) def test_normpath(self): self.assertEqual(posixpath.normpath(""), ".") self.assertEqual(posixpath.normpath("/"), "/") self.assertEqual(posixpath.normpath("//"), "//") self.assertEqual(posixpath.normpath("///"), "/") self.assertEqual(posixpath.normpath("///foo/.//bar//"), "/foo/bar") self.assertEqual(posixpath.normpath("///foo/.//bar//.//..//.//baz"), "/foo/baz") self.assertEqual(posixpath.normpath("///..//./foo/.//bar"), "/foo/bar") self.assertRaises(TypeError, posixpath.normpath) def test_abspath(self): self.assert_("foo" in posixpath.abspath("foo")) self.assertRaises(TypeError, posixpath.abspath) def test_realpath(self): self.assert_("foo" in realpath("foo")) self.assertRaises(TypeError, posixpath.realpath) if hasattr(os, "symlink"): def test_realpath_basic(self): # Basic operation. try: os.symlink(ABSTFN+"1", ABSTFN) self.assertEqual(realpath(ABSTFN), ABSTFN+"1") finally: test_support.unlink(ABSTFN) def test_realpath_symlink_loops(self): # Bug #930024, return the path unchanged if we get into an infinite # symlink loop. try: old_path = abspath('.') os.symlink(ABSTFN, ABSTFN) self.assertEqual(realpath(ABSTFN), ABSTFN) os.symlink(ABSTFN+"1", ABSTFN+"2") os.symlink(ABSTFN+"2", ABSTFN+"1") self.assertEqual(realpath(ABSTFN+"1"), ABSTFN+"1") self.assertEqual(realpath(ABSTFN+"2"), ABSTFN+"2") # Test using relative path as well. os.chdir(dirname(ABSTFN)) self.assertEqual(realpath(basename(ABSTFN)), ABSTFN) finally: os.chdir(old_path) test_support.unlink(ABSTFN) test_support.unlink(ABSTFN+"1") test_support.unlink(ABSTFN+"2") def test_realpath_resolve_parents(self): # We also need to resolve any symlinks in the parents of a relative # path passed to realpath. E.g.: current working directory is # /usr/doc with 'doc' being a symlink to /usr/share/doc. We call # realpath("a"). This should return /usr/share/doc/a/. try: old_path = abspath('.') os.mkdir(ABSTFN) os.mkdir(ABSTFN + "/y") os.symlink(ABSTFN + "/y", ABSTFN + "/k") os.chdir(ABSTFN + "/k") self.assertEqual(realpath("a"), ABSTFN + "/y/a") finally: os.chdir(old_path) test_support.unlink(ABSTFN + "/k") safe_rmdir(ABSTFN + "/y") safe_rmdir(ABSTFN) def test_realpath_resolve_before_normalizing(self): # Bug #990669: Symbolic links should be resolved before we # normalize the path. E.g.: if we have directories 'a', 'k' and 'y' # in the following hierarchy: # a/k/y # # and a symbolic link 'link-y' pointing to 'y' in directory 'a', # then realpath("link-y/..") should return 'k', not 'a'. try: old_path = abspath('.') os.mkdir(ABSTFN) os.mkdir(ABSTFN + "/k") os.mkdir(ABSTFN + "/k/y") os.symlink(ABSTFN + "/k/y", ABSTFN + "/link-y") # Absolute path. self.assertEqual(realpath(ABSTFN + "/link-y/.."), ABSTFN + "/k") # Relative path. os.chdir(dirname(ABSTFN)) self.assertEqual(realpath(basename(ABSTFN) + "/link-y/.."), ABSTFN + "/k") finally: os.chdir(old_path) test_support.unlink(ABSTFN + "/link-y") safe_rmdir(ABSTFN + "/k/y") safe_rmdir(ABSTFN + "/k") safe_rmdir(ABSTFN) def test_realpath_resolve_first(self): # Bug #1213894: The first component of the path, if not absolute, # must be resolved too. try: old_path = abspath('.') os.mkdir(ABSTFN) os.mkdir(ABSTFN + "/k") os.symlink(ABSTFN, ABSTFN + "link") os.chdir(dirname(ABSTFN)) base = basename(ABSTFN) self.assertEqual(realpath(base + "link"), ABSTFN) self.assertEqual(realpath(base + "link/k"), ABSTFN + "/k") finally: os.chdir(old_path) test_support.unlink(ABSTFN + "link") safe_rmdir(ABSTFN + "/k") safe_rmdir(ABSTFN) def test_relpath(self): (real_getcwd, os.getcwd) = (os.getcwd, lambda: r"/home/user/bar") try: curdir = os.path.split(os.getcwd())[-1] self.assertRaises(ValueError, posixpath.relpath, "") self.assertEqual(posixpath.relpath("a"), "a") self.assertEqual(posixpath.relpath(posixpath.abspath("a")), "a") self.assertEqual(posixpath.relpath("a/b"), "a/b") self.assertEqual(posixpath.relpath("../a/b"), "../a/b") self.assertEqual(posixpath.relpath("a", "../b"), "../"+curdir+"/a") self.assertEqual(posixpath.relpath("a/b", "../c"), "../"+curdir+"/a/b") self.assertEqual(posixpath.relpath("a", "b/c"), "../../a") self.assertEqual(posixpath.relpath("a", "a"), ".") finally: os.getcwd = real_getcwd def test_main(): test_support.run_unittest(PosixPathTest) if __name__=="__main__": test_main()