| import io |
| import locale |
| import mimetypes |
| import pathlib |
| import sys |
| import unittest |
| |
| from test import support |
| from platform import win32_edition |
| |
| |
| def setUpModule(): |
| global knownfiles |
| knownfiles = mimetypes.knownfiles |
| |
| # Tell it we don't know about external files: |
| mimetypes.knownfiles = [] |
| mimetypes.inited = False |
| mimetypes._default_mime_types() |
| |
| |
| def tearDownModule(): |
| # Restore knownfiles to its initial state |
| mimetypes.knownfiles = knownfiles |
| |
| |
| class MimeTypesTestCase(unittest.TestCase): |
| def setUp(self): |
| self.db = mimetypes.MimeTypes() |
| |
| def test_default_data(self): |
| eq = self.assertEqual |
| eq(self.db.guess_type("foo.html"), ("text/html", None)) |
| eq(self.db.guess_type("foo.HTML"), ("text/html", None)) |
| eq(self.db.guess_type("foo.tgz"), ("application/x-tar", "gzip")) |
| eq(self.db.guess_type("foo.tar.gz"), ("application/x-tar", "gzip")) |
| eq(self.db.guess_type("foo.tar.Z"), ("application/x-tar", "compress")) |
| eq(self.db.guess_type("foo.tar.bz2"), ("application/x-tar", "bzip2")) |
| eq(self.db.guess_type("foo.tar.xz"), ("application/x-tar", "xz")) |
| |
| def test_data_urls(self): |
| eq = self.assertEqual |
| guess_type = self.db.guess_type |
| eq(guess_type("data:invalidDataWithoutComma"), (None, None)) |
| eq(guess_type("data:,thisIsTextPlain"), ("text/plain", None)) |
| eq(guess_type("data:;base64,thisIsTextPlain"), ("text/plain", None)) |
| eq(guess_type("data:text/x-foo,thisIsTextXFoo"), ("text/x-foo", None)) |
| |
| def test_file_parsing(self): |
| eq = self.assertEqual |
| sio = io.StringIO("x-application/x-unittest pyunit\n") |
| self.db.readfp(sio) |
| eq(self.db.guess_type("foo.pyunit"), |
| ("x-application/x-unittest", None)) |
| eq(self.db.guess_extension("x-application/x-unittest"), ".pyunit") |
| |
| def test_read_mime_types(self): |
| eq = self.assertEqual |
| |
| # Unreadable file returns None |
| self.assertIsNone(mimetypes.read_mime_types("non-existent")) |
| |
| with support.temp_dir() as directory: |
| data = "x-application/x-unittest pyunit\n" |
| file = pathlib.Path(directory, "sample.mimetype") |
| file.write_text(data) |
| mime_dict = mimetypes.read_mime_types(file) |
| eq(mime_dict[".pyunit"], "x-application/x-unittest") |
| |
| # bpo-41048: read_mime_types should read the rule file with 'utf-8' encoding. |
| # Not with locale encoding. _bootlocale has been imported because io.open(...) |
| # uses it. |
| with support.temp_dir() as directory: |
| data = "application/no-mans-land Fran\u00E7ais" |
| file = pathlib.Path(directory, "sample.mimetype") |
| file.write_text(data, encoding='utf-8') |
| import _bootlocale |
| with support.swap_attr(_bootlocale, 'getpreferredencoding', lambda do_setlocale=True: 'ASCII'): |
| mime_dict = mimetypes.read_mime_types(file) |
| eq(mime_dict[".Français"], "application/no-mans-land") |
| |
| def test_non_standard_types(self): |
| eq = self.assertEqual |
| # First try strict |
| eq(self.db.guess_type('foo.xul', strict=True), (None, None)) |
| eq(self.db.guess_extension('image/jpg', strict=True), None) |
| # And then non-strict |
| eq(self.db.guess_type('foo.xul', strict=False), ('text/xul', None)) |
| eq(self.db.guess_type('foo.XUL', strict=False), ('text/xul', None)) |
| eq(self.db.guess_type('foo.invalid', strict=False), (None, None)) |
| eq(self.db.guess_extension('image/jpg', strict=False), '.jpg') |
| eq(self.db.guess_extension('image/JPG', strict=False), '.jpg') |
| |
| def test_filename_with_url_delimiters(self): |
| # bpo-38449: URL delimiters cases should be handled also. |
| # They would have different mime types if interpreted as URL as |
| # compared to when interpreted as filename because of the semicolon. |
| eq = self.assertEqual |
| gzip_expected = ('application/x-tar', 'gzip') |
| eq(self.db.guess_type(";1.tar.gz"), gzip_expected) |
| eq(self.db.guess_type("?1.tar.gz"), gzip_expected) |
| eq(self.db.guess_type("#1.tar.gz"), gzip_expected) |
| eq(self.db.guess_type("#1#.tar.gz"), gzip_expected) |
| eq(self.db.guess_type(";1#.tar.gz"), gzip_expected) |
| eq(self.db.guess_type(";&1=123;?.tar.gz"), gzip_expected) |
| eq(self.db.guess_type("?k1=v1&k2=v2.tar.gz"), gzip_expected) |
| eq(self.db.guess_type(r" \"\`;b&b&c |.tar.gz"), gzip_expected) |
| |
| def test_guess_all_types(self): |
| eq = self.assertEqual |
| unless = self.assertTrue |
| # First try strict. Use a set here for testing the results because if |
| # test_urllib2 is run before test_mimetypes, global state is modified |
| # such that the 'all' set will have more items in it. |
| all = set(self.db.guess_all_extensions('text/plain', strict=True)) |
| unless(all >= set(['.bat', '.c', '.h', '.ksh', '.pl', '.txt'])) |
| # And now non-strict |
| all = self.db.guess_all_extensions('image/jpg', strict=False) |
| all.sort() |
| eq(all, ['.jpg']) |
| # And now for no hits |
| all = self.db.guess_all_extensions('image/jpg', strict=True) |
| eq(all, []) |
| |
| def test_encoding(self): |
| getpreferredencoding = locale.getpreferredencoding |
| self.addCleanup(setattr, locale, 'getpreferredencoding', |
| getpreferredencoding) |
| locale.getpreferredencoding = lambda: 'ascii' |
| |
| filename = support.findfile("mime.types") |
| mimes = mimetypes.MimeTypes([filename]) |
| exts = mimes.guess_all_extensions('application/vnd.geocube+xml', |
| strict=True) |
| self.assertEqual(exts, ['.g3', '.g\xb3']) |
| |
| def test_init_reinitializes(self): |
| # Issue 4936: make sure an init starts clean |
| # First, put some poison into the types table |
| mimetypes.add_type('foo/bar', '.foobar') |
| self.assertEqual(mimetypes.guess_extension('foo/bar'), '.foobar') |
| # Reinitialize |
| mimetypes.init() |
| # Poison should be gone. |
| self.assertEqual(mimetypes.guess_extension('foo/bar'), None) |
| |
| def test_preferred_extension(self): |
| def check_extensions(): |
| self.assertEqual(mimetypes.guess_extension('application/octet-stream'), '.bin') |
| self.assertEqual(mimetypes.guess_extension('application/postscript'), '.ps') |
| self.assertEqual(mimetypes.guess_extension('application/vnd.apple.mpegurl'), '.m3u') |
| self.assertEqual(mimetypes.guess_extension('application/vnd.ms-excel'), '.xls') |
| self.assertEqual(mimetypes.guess_extension('application/vnd.ms-powerpoint'), '.ppt') |
| self.assertEqual(mimetypes.guess_extension('application/x-texinfo'), '.texi') |
| self.assertEqual(mimetypes.guess_extension('application/x-troff'), '.roff') |
| self.assertEqual(mimetypes.guess_extension('application/xml'), '.xsl') |
| self.assertEqual(mimetypes.guess_extension('audio/mpeg'), '.mp3') |
| self.assertEqual(mimetypes.guess_extension('image/jpeg'), '.jpg') |
| self.assertEqual(mimetypes.guess_extension('image/tiff'), '.tiff') |
| self.assertEqual(mimetypes.guess_extension('message/rfc822'), '.eml') |
| self.assertEqual(mimetypes.guess_extension('text/html'), '.html') |
| self.assertEqual(mimetypes.guess_extension('text/plain'), '.txt') |
| self.assertEqual(mimetypes.guess_extension('video/mpeg'), '.mpeg') |
| self.assertEqual(mimetypes.guess_extension('video/quicktime'), '.mov') |
| |
| check_extensions() |
| mimetypes.init() |
| check_extensions() |
| |
| def test_init_stability(self): |
| mimetypes.init() |
| |
| suffix_map = mimetypes.suffix_map |
| encodings_map = mimetypes.encodings_map |
| types_map = mimetypes.types_map |
| common_types = mimetypes.common_types |
| |
| mimetypes.init() |
| self.assertIsNot(suffix_map, mimetypes.suffix_map) |
| self.assertIsNot(encodings_map, mimetypes.encodings_map) |
| self.assertIsNot(types_map, mimetypes.types_map) |
| self.assertIsNot(common_types, mimetypes.common_types) |
| self.assertEqual(suffix_map, mimetypes.suffix_map) |
| self.assertEqual(encodings_map, mimetypes.encodings_map) |
| self.assertEqual(types_map, mimetypes.types_map) |
| self.assertEqual(common_types, mimetypes.common_types) |
| |
| def test_path_like_ob(self): |
| filename = "LICENSE.txt" |
| filepath = pathlib.Path(filename) |
| filepath_with_abs_dir = pathlib.Path('/dir/'+filename) |
| filepath_relative = pathlib.Path('../dir/'+filename) |
| path_dir = pathlib.Path('./') |
| |
| expected = self.db.guess_type(filename) |
| |
| self.assertEqual(self.db.guess_type(filepath), expected) |
| self.assertEqual(self.db.guess_type( |
| filepath_with_abs_dir), expected) |
| self.assertEqual(self.db.guess_type(filepath_relative), expected) |
| self.assertEqual(self.db.guess_type(path_dir), (None, None)) |
| |
| def test_keywords_args_api(self): |
| self.assertEqual(self.db.guess_type( |
| url="foo.html", strict=True), ("text/html", None)) |
| self.assertEqual(self.db.guess_all_extensions( |
| type='image/jpg', strict=True), []) |
| self.assertEqual(self.db.guess_extension( |
| type='image/jpg', strict=False), '.jpg') |
| |
| |
| @unittest.skipUnless(sys.platform.startswith("win"), "Windows only") |
| class Win32MimeTypesTestCase(unittest.TestCase): |
| def setUp(self): |
| # ensure all entries actually come from the Windows registry |
| self.original_types_map = mimetypes.types_map.copy() |
| mimetypes.types_map.clear() |
| mimetypes.init() |
| self.db = mimetypes.MimeTypes() |
| |
| def tearDown(self): |
| # restore default settings |
| mimetypes.types_map.clear() |
| mimetypes.types_map.update(self.original_types_map) |
| |
| @unittest.skipIf(win32_edition() in ('NanoServer', 'WindowsCoreHeadless', 'IoTEdgeOS'), |
| "MIME types registry keys unavailable") |
| def test_registry_parsing(self): |
| # the original, minimum contents of the MIME database in the |
| # Windows registry is undocumented AFAIK. |
| # Use file types that should *always* exist: |
| eq = self.assertEqual |
| eq(self.db.guess_type("foo.txt"), ("text/plain", None)) |
| eq(self.db.guess_type("image.jpg"), ("image/jpeg", None)) |
| eq(self.db.guess_type("image.png"), ("image/png", None)) |
| |
| |
| class MiscTestCase(unittest.TestCase): |
| def test__all__(self): |
| support.check__all__(self, mimetypes) |
| |
| |
| class MimetypesCliTestCase(unittest.TestCase): |
| |
| def mimetypes_cmd(self, *args, **kwargs): |
| support.patch(self, sys, "argv", [sys.executable, *args]) |
| with support.captured_stdout() as output: |
| mimetypes._main() |
| return output.getvalue().strip() |
| |
| def test_help_option(self): |
| support.patch(self, sys, "argv", [sys.executable, "-h"]) |
| with support.captured_stdout() as output: |
| with self.assertRaises(SystemExit) as cm: |
| mimetypes._main() |
| |
| self.assertIn("Usage: mimetypes.py", output.getvalue()) |
| self.assertEqual(cm.exception.code, 0) |
| |
| def test_invalid_option(self): |
| support.patch(self, sys, "argv", [sys.executable, "--invalid"]) |
| with support.captured_stdout() as output: |
| with self.assertRaises(SystemExit) as cm: |
| mimetypes._main() |
| |
| self.assertIn("Usage: mimetypes.py", output.getvalue()) |
| self.assertEqual(cm.exception.code, 1) |
| |
| def test_guess_extension(self): |
| eq = self.assertEqual |
| |
| extension = self.mimetypes_cmd("-l", "-e", "image/jpg") |
| eq(extension, ".jpg") |
| |
| extension = self.mimetypes_cmd("-e", "image/jpg") |
| eq(extension, "I don't know anything about type image/jpg") |
| |
| extension = self.mimetypes_cmd("-e", "image/jpeg") |
| eq(extension, ".jpg") |
| |
| def test_guess_type(self): |
| eq = self.assertEqual |
| |
| type_info = self.mimetypes_cmd("-l", "foo.pic") |
| eq(type_info, "type: image/pict encoding: None") |
| |
| type_info = self.mimetypes_cmd("foo.pic") |
| eq(type_info, "I don't know anything about type foo.pic") |
| |
| |
| if __name__ == "__main__": |
| unittest.main() |
