Matt Campbell

Have you tried simply:

u = User.includes({ events: :attendances }).find(1)

?

So the point is you don't need lambda.call because the === operator (which is what gets called by the case statement under the hood) invokes that on the lambda by default?

Since this line is assignment and not equality comparison, won't it always return :truncation?

DatabaseCleaner.strategy = example.metadata[:js] ? :truncation : :transaction