Python: Copy old tornado tests

python/ql/test/experimental/library-tests/frameworks/tornado/old_tests.py

@@ -0,0 +1,25 @@
+import tornado.web
+
+class Handler1(tornado.web.RequestHandler):
+    def get(self):
+        self.write(self.get_argument("xss"))
+
+class Handler2(tornado.web.RequestHandler):
+    def get(self):
+        args = self.get_body_arguments()
+        name = args[0]
+        self.write(name)
+
+class Handler3(tornado.web.RequestHandler):
+
+    def get(self):
+        req = self.request
+        h = req.headers
+        url = h["url"]
+        self.redirect(url)
+
+
+class DeepInheritance(Handler3):
+
+    def get(self):
+        self.write(self.get_argument("also_xss"))