1 files changed, 18 insertions, 0 deletions
diff --git a/testing/web-platform/tests/fetch/api/resources/cache.py b/testing/web-platform/tests/fetch/api/resources/cache.py
new file mode 100644
index 0000000000..4de751e30b
--- /dev/null
+++ b/testing/web-platform/tests/fetch/api/resources/cache.py
@@ -0,0 +1,18 @@
+ETAG = b'"123abc"'
+CONTENT_TYPE = b"text/plain"
+CONTENT = b"lorem ipsum dolor sit amet"
+
+
+def main(request, response):
+    # let caching kick in if possible (conditional GET)
+    etag = request.headers.get(b"If-None-Match", None)
+    if etag == ETAG:
+        response.headers.set(b"X-HTTP-STATUS", 304)
+        response.status = (304, b"Not Modified")
+        return b""
+
+    # cache miss, so respond with the actual content
+    response.status = (200, b"OK")
+    response.headers.set(b"ETag", ETAG)
+    response.headers.set(b"Content-Type", CONTENT_TYPE)
+    return CONTENT