method

collect_deprecations

v7.1.3.4 - Show latest stable - Class: ActiveSupport::Testing::Deprecation

collect_deprecations(deprecator = nil)

public

Returns the return value of the block and an array of all the deprecation warnings emitted by the given deprecator during the execution of the yielded block.

collect_deprecations(CustomDeprecator) do
  CustomDeprecator.warn "message"
  ActiveSupport::Deprecation.new.warn "other message"
  :result
end # => [:result, ["message"]]

# File activesupport/lib/active_support/testing/deprecation.rb, line 72
      def collect_deprecations(deprecator = nil)
        unless deprecator
          ActiveSupport.deprecator.warn("collect_deprecations without a deprecator is deprecated")
          deprecator = ActiveSupport::Deprecation._instance
        end
        old_behavior = deprecator.behavior
        deprecations = []
        deprecator.behavior = Proc.new do |message, callstack|
          deprecations << message
        end
        result = yield
        [result, deprecations]
      ensure
        deprecator.behavior = old_behavior
      end

collect_deprecations

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