1 files changed, 15 insertions, 0 deletions
diff --git a/activestorage/test/controllers/blobs_controller_test.rb b/activestorage/test/controllers/blobs_controller_test.rb
new file mode 100644
index 0000000000..5ec353889c
--- /dev/null
+++ b/activestorage/test/controllers/blobs_controller_test.rb
@@ -0,0 +1,15 @@
+require "test_helper"
+require "database/setup"
+
+class ActiveStorage::BlobsControllerTest < ActionDispatch::IntegrationTest
+  setup do
+    @blob = create_image_blob filename: "racecar.jpg"
+  end
+
+  test "showing blob utilizes browser caching" do
+    get rails_blob_url(@blob)
+
+    assert_redirected_to(/racecar.jpg/)
+    assert_equal "max-age=300, private", @response.headers["Cache-Control"]
+  end
+end