chore: import upstream snapshot with attribution

tests/python/rest_api/test_cache_policy.py

@@ -0,0 +1,42 @@
+# Copyright (C) 2022 Intel Corporation
+# Copyright (C) CVAT.ai Corporation
+#
+# SPDX-License-Identifier: MIT
+
+import re
+from http import HTTPStatus
+
+from shared.utils.config import server_get
+
+
+class TestCachePolicy:
+    @staticmethod
+    def _get_js_bundle_url(response):
+        match = re.search(r'<script.* src="(/assets/cvat-ui.\w+.min.js)".*></script>', response)
+        if match:
+            return match.group(1)
+
+    def _test_cache_policy_enabled(self, response):
+        assert response.status_code == HTTPStatus.OK
+        assert (
+            "public" in response.headers["Cache-Control"]
+            and "max-age" in response.headers["Cache-Control"]
+        )
+
+    def _test_cache_policy_disabled(self, response):
+        assert response.status_code == HTTPStatus.OK
+        assert "no-cache" in response.headers["Cache-Control"]
+
+    def test_index_not_cached(self, find_users):
+        user = find_users(privilege="user")[0]["username"]
+        index_page_response = server_get(user, "/")
+
+        self._test_cache_policy_disabled(index_page_response)
+
+    def test_asset_cached(self, find_users):
+        user = find_users(privilege="user")[0]["username"]
+        index_page_response = server_get(user, "/")
+        js_asset_url = self._get_js_bundle_url(index_page_response.content.decode("utf-8"))
+        js_asset_response = server_get(user, js_asset_url)
+
+        self._test_cache_policy_enabled(js_asset_response)