| import io |
| import locale |
| import mimetypes |
| import sys |
| import unittest |
| |
| from test import support |
| |
| # Tell it we don't know about external files: |
| mimetypes.knownfiles = [] |
| mimetypes.inited = False |
| mimetypes._default_mime_types() |
| |
| |
| 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.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")) |
| |
| def test_data_urls(self): |
| eq = self.assertEqual |
| guess_type = self.db.guess_type |
| 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_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_extension('image/jpg', strict=False), '.jpg') |
| |
| 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']) |
| |
| |
| @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) |
| |
| 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)) |
| |
| |
| def test_main(): |
| support.run_unittest(MimeTypesTestCase, |
| Win32MimeTypesTestCase |
| ) |
| |
| |
| if __name__ == "__main__": |
| test_main() |