bpo-38449: Add URL delimiters test cases (#16729)
* bpo-38449: Add tricky test cases
* bpo-38449: Reflect codereview
diff --git a/Lib/test/test_mimetypes.py b/Lib/test/test_mimetypes.py
index bfd5eee..a5a06b1 100644
--- a/Lib/test/test_mimetypes.py
+++ b/Lib/test/test_mimetypes.py
@@ -51,6 +51,21 @@
eq(self.db.guess_type('foo.xul', strict=False), ('text/xul', None))
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