1 files changed, 22 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..9c811df895
--- /dev/null
+++ b/activestorage/test/controllers/blobs_controller_test.rb
@@ -0,0 +1,22 @@
+# frozen_string_literal: true
+
+require "test_helper"
+require "database/setup"
+
+class ActiveStorage::BlobsControllerTest < ActionDispatch::IntegrationTest
+  setup do
+    @blob = create_file_blob filename: "racecar.jpg"
+  end
+
+  test "showing blob with invalid signed ID" do
+    get rails_service_blob_url("invalid", "racecar.jpg")
+    assert_response :not_found
+  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