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myronmarston/spec_helper.rb

Created May 28, 2017 18:29
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How to make RSpec fail if anything outputs
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spec_helper.rb
RSpec::Matchers.define_negated_matcher :avoid_outputting, :output
RSpec.configure do |config|
config.around do |ex|
expect(&ex).to avoid_outputting.to_stdout.and avoid_outputting.to_stderr
end
end
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