With this addition to ActiveSupport::Testing there is no need to write custom helpers for testing features requiring a sample file (i.e. file uploads).
delegate turned out to be a bottleneck at the URL generation in the integration tests. With this patch the integration tests of the applications should have a speedup.
That's all for This week in Rails. As always, there are more changes than we have room to cover here, but feel free to check them out yourself!
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