Rails Tidbits

miscellaneous_ruby_rails_rspec_tidbits.txt

Flash[:notice] vs. Flash.now[:notice]
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Flash[:notice] - message will persist to the next action and should be used when redirecting to another action via the 'redirect_to' method.

Flash.now[:notice] - message will be displayed in the view your are rendering via the 'render' method.


Log and watch messages logged realtime
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# In my code...
logger.info 'My logged message'

# From the command-line...
$ tail -f log/test.log

RSpec
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# Test flash message
expect(request.flash[:notice]).to start_with("Success!")

# Test flash.now message
expect(request.flash.now[:error]).to start_with("Aww, shucks!")