1 files changed, 13 insertions, 0 deletions
diff --git a/testing/web-platform/tests/images/blue-png-cachable.py b/testing/web-platform/tests/images/blue-png-cachable.py
new file mode 100644
index 0000000000..6d8556542a
--- /dev/null
+++ b/testing/web-platform/tests/images/blue-png-cachable.py
@@ -0,0 +1,13 @@
+import os
+from wptserve.utils import isomorphic_decode
+
+def main(request, response):
+  """Serves the contents in blue.png but with a Cache-Control header.
+
+  Emits a Cache-Control header with max-age set to 1h to allow the browser
+  cache the image. Used for testing behaviors involving caching logics.
+  """
+  image_path = os.path.join(os.path.dirname(isomorphic_decode(__file__)), u"blue.png")
+  response.headers.set(b"Cache-Control", b"max-age=3600")
+  response.headers.set(b"Content-Type", b"image/png")
+  response.content = open(image_path, mode='rb').read()