diff options
Diffstat (limited to 'Lib/test/test_tarfile.py')
| -rw-r--r-- | Lib/test/test_tarfile.py | 191 |
1 files changed, 178 insertions, 13 deletions
diff --git a/Lib/test/test_tarfile.py b/Lib/test/test_tarfile.py index 68fe608..92f8bfe 100644 --- a/Lib/test/test_tarfile.py +++ b/Lib/test/test_tarfile.py @@ -7,7 +7,7 @@ from hashlib import md5 import unittest import tarfile -from test import support +from test import support, script_helper # Check for our compression modules. try: @@ -27,11 +27,13 @@ def md5sum(data): return md5(data).hexdigest() TEMPDIR = os.path.abspath(support.TESTFN) + "-tardir" +tarextdir = TEMPDIR + '-extract-test' tarname = support.findfile("testtar.tar") gzipname = os.path.join(TEMPDIR, "testtar.tar.gz") bz2name = os.path.join(TEMPDIR, "testtar.tar.bz2") xzname = os.path.join(TEMPDIR, "testtar.tar.xz") tmpname = os.path.join(TEMPDIR, "tmp.tar") +dotlessname = os.path.join(TEMPDIR, "testtar") md5_regtype = "65f477c818ad9e15f7feab0c6d37742f" md5_sparse = "a54fbc4ca4f4399a90e1b27164012fc6" @@ -271,7 +273,7 @@ class ListTest(ReadTest, unittest.TestCase): # ?rw-r--r-- tarfile/tarfile 7011 2003-01-06 07:19:43 ustar/conttype # ?rw-r--r-- tarfile/tarfile 7011 2003-01-06 07:19:43 ustar/regtype # ... - self.assertRegex(out, (br'-rw-r--r-- tarfile/tarfile\s+7011 ' + self.assertRegex(out, (br'\?rw-r--r-- tarfile/tarfile\s+7011 ' br'\d{4}-\d\d-\d\d\s+\d\d:\d\d:\d\d ' br'ustar/\w+type ?\r?\n') * 2) # Make sure it prints the source of link with verbose flag @@ -319,12 +321,7 @@ class CommonReadTest(ReadTest): def test_non_existent_tarfile(self): # Test for issue11513: prevent non-existent gzipped tarfiles raising # multiple exceptions. - test = 'xxx' - if sys.platform == 'win32' and '|' in self.mode: - # Issue #20384: On Windows os.open() error message doesn't - # contain file name. - test = '' - with self.assertRaisesRegex(FileNotFoundError, test): + with self.assertRaisesRegex(FileNotFoundError, "xxx"): tarfile.open("xxx", self.mode) def test_null_tarfile(self): @@ -1847,6 +1844,171 @@ class MiscTest(unittest.TestCase): tarfile.itn(0x10000000000, 6, tarfile.GNU_FORMAT) +class CommandLineTest(unittest.TestCase): + + def tarfilecmd(self, *args, **kwargs): + rc, out, err = script_helper.assert_python_ok('-m', 'tarfile', *args, + **kwargs) + return out.replace(os.linesep.encode(), b'\n') + + def tarfilecmd_failure(self, *args): + return script_helper.assert_python_failure('-m', 'tarfile', *args) + + def make_simple_tarfile(self, tar_name): + files = [support.findfile('tokenize_tests.txt'), + support.findfile('tokenize_tests-no-coding-cookie-' + 'and-utf8-bom-sig-only.txt')] + self.addCleanup(support.unlink, tar_name) + with tarfile.open(tar_name, 'w') as tf: + for tardata in files: + tf.add(tardata, arcname=os.path.basename(tardata)) + + def test_test_command(self): + for tar_name in testtarnames: + for opt in '-t', '--test': + out = self.tarfilecmd(opt, tar_name) + self.assertEqual(out, b'') + + def test_test_command_verbose(self): + for tar_name in testtarnames: + for opt in '-v', '--verbose': + out = self.tarfilecmd(opt, '-t', tar_name) + self.assertIn(b'is a tar archive.\n', out) + + def test_test_command_invalid_file(self): + zipname = support.findfile('zipdir.zip') + rc, out, err = self.tarfilecmd_failure('-t', zipname) + self.assertIn(b' is not a tar archive.', err) + self.assertEqual(out, b'') + self.assertEqual(rc, 1) + + for tar_name in testtarnames: + with self.subTest(tar_name=tar_name): + with open(tar_name, 'rb') as f: + data = f.read() + try: + with open(tmpname, 'wb') as f: + f.write(data[:511]) + rc, out, err = self.tarfilecmd_failure('-t', tmpname) + self.assertEqual(out, b'') + self.assertEqual(rc, 1) + finally: + support.unlink(tmpname) + + def test_list_command(self): + for tar_name in testtarnames: + with support.captured_stdout() as t: + with tarfile.open(tar_name, 'r') as tf: + tf.list(verbose=False) + expected = t.getvalue().encode('ascii', 'backslashreplace') + for opt in '-l', '--list': + out = self.tarfilecmd(opt, tar_name, + PYTHONIOENCODING='ascii') + self.assertEqual(out, expected) + + def test_list_command_verbose(self): + for tar_name in testtarnames: + with support.captured_stdout() as t: + with tarfile.open(tar_name, 'r') as tf: + tf.list(verbose=True) + expected = t.getvalue().encode('ascii', 'backslashreplace') + for opt in '-v', '--verbose': + out = self.tarfilecmd(opt, '-l', tar_name, + PYTHONIOENCODING='ascii') + self.assertEqual(out, expected) + + def test_list_command_invalid_file(self): + zipname = support.findfile('zipdir.zip') + rc, out, err = self.tarfilecmd_failure('-l', zipname) + self.assertIn(b' is not a tar archive.', err) + self.assertEqual(out, b'') + self.assertEqual(rc, 1) + + def test_create_command(self): + files = [support.findfile('tokenize_tests.txt'), + support.findfile('tokenize_tests-no-coding-cookie-' + 'and-utf8-bom-sig-only.txt')] + for opt in '-c', '--create': + try: + out = self.tarfilecmd(opt, tmpname, *files) + self.assertEqual(out, b'') + with tarfile.open(tmpname) as tar: + tar.getmembers() + finally: + support.unlink(tmpname) + + def test_create_command_verbose(self): + files = [support.findfile('tokenize_tests.txt'), + support.findfile('tokenize_tests-no-coding-cookie-' + 'and-utf8-bom-sig-only.txt')] + for opt in '-v', '--verbose': + try: + out = self.tarfilecmd(opt, '-c', tmpname, *files) + self.assertIn(b' file created.', out) + with tarfile.open(tmpname) as tar: + tar.getmembers() + finally: + support.unlink(tmpname) + + def test_create_command_dotless_filename(self): + files = [support.findfile('tokenize_tests.txt')] + try: + out = self.tarfilecmd('-c', dotlessname, *files) + self.assertEqual(out, b'') + with tarfile.open(dotlessname) as tar: + tar.getmembers() + finally: + support.unlink(dotlessname) + + def test_create_command_dot_started_filename(self): + tar_name = os.path.join(TEMPDIR, ".testtar") + files = [support.findfile('tokenize_tests.txt')] + try: + out = self.tarfilecmd('-c', tar_name, *files) + self.assertEqual(out, b'') + with tarfile.open(tar_name) as tar: + tar.getmembers() + finally: + support.unlink(tar_name) + + def test_extract_command(self): + self.make_simple_tarfile(tmpname) + for opt in '-e', '--extract': + try: + with support.temp_cwd(tarextdir): + out = self.tarfilecmd(opt, tmpname) + self.assertEqual(out, b'') + finally: + support.rmtree(tarextdir) + + def test_extract_command_verbose(self): + self.make_simple_tarfile(tmpname) + for opt in '-v', '--verbose': + try: + with support.temp_cwd(tarextdir): + out = self.tarfilecmd(opt, '-e', tmpname) + self.assertIn(b' file is extracted.', out) + finally: + support.rmtree(tarextdir) + + def test_extract_command_different_directory(self): + self.make_simple_tarfile(tmpname) + try: + with support.temp_cwd(tarextdir): + out = self.tarfilecmd('-e', tmpname, 'spamdir') + self.assertEqual(out, b'') + finally: + support.rmtree(tarextdir) + + def test_extract_command_invalid_file(self): + zipname = support.findfile('zipdir.zip') + with support.temp_cwd(tarextdir): + rc, out, err = self.tarfilecmd_failure('-e', zipname) + self.assertIn(b' is not a tar archive.', err) + self.assertEqual(out, b'') + self.assertEqual(rc, 1) + + class ContextManagerTest(unittest.TestCase): def test_basic(self): @@ -1855,20 +2017,20 @@ class ContextManagerTest(unittest.TestCase): self.assertTrue(tar.closed, "context manager failed") def test_closed(self): - # The __enter__() method is supposed to raise IOError + # The __enter__() method is supposed to raise OSError # if the TarFile object is already closed. tar = tarfile.open(tarname) tar.close() - with self.assertRaises(IOError): + with self.assertRaises(OSError): with tar: pass def test_exception(self): - # Test if the IOError exception is passed through properly. + # Test if the OSError exception is passed through properly. with self.assertRaises(Exception) as exc: with tarfile.open(tarname) as tar: - raise IOError - self.assertIsInstance(exc.exception, IOError, + raise OSError + self.assertIsInstance(exc.exception, OSError, "wrong exception raised in context manager") self.assertTrue(tar.closed, "context manager failed") @@ -1974,6 +2136,8 @@ def setUpModule(): support.unlink(TEMPDIR) os.makedirs(TEMPDIR) + global testtarnames + testtarnames = [tarname] with open(tarname, "rb") as fobj: data = fobj.read() @@ -1981,6 +2145,7 @@ def setUpModule(): for c in GzipTest, Bz2Test, LzmaTest: if c.open: support.unlink(c.tarname) + testtarnames.append(c.tarname) with c.open(c.tarname, "wb") as tar: tar.write(data) |