1 files changed, 8 insertions, 1 deletions
diff --git a/activestorage/test/models/blob_test.rb b/activestorage/test/models/blob_test.rb
index 1c50d18994..03bf72c0de 100644
--- a/activestorage/test/models/blob_test.rb
+++ b/activestorage/test/models/blob_test.rb
@@ -41,9 +41,16 @@ class ActiveStorage::BlobTest < ActiveSupport::TestCase
     end
   end
 
+  test "purge removes from external service" do
+    blob = create_blob
+
+    blob.purge
+    assert_not ActiveStorage::Blob.service.exist?(blob.key)
+  end
+
   private
     def expected_url_for(blob, disposition: :inline)
-      query_string = { content_type: blob.content_type, disposition: disposition }.to_param
+      query_string = { content_type: blob.content_type, disposition: "#{disposition}; filename=\"#{blob.filename}\"" }.to_param
       "/rails/active_storage/disk/#{ActiveStorage.verifier.generate(blob.key, expires_in: 5.minutes, purpose: :blob_key)}/#{blob.filename}?#{query_string}"
     end
 end