Class: Module

Inherits:
Object show all
Defined in:
lib/minitest/spec.rb

Instance Method Summary collapse

Instance Method Details

#infect_an_assertion(meth, new_name, dont_flip = false) ⇒ Object

:nodoc:



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# File 'lib/minitest/spec.rb', line 6

def infect_an_assertion meth, new_name, dont_flip = false # :nodoc:
  # warn "%-22p -> %p %p" % [meth, new_name, dont_flip]
  self.class_eval <<-EOM
    def #{new_name} *args, &block
      return MiniTest::Spec.current.#{meth}(*args, &self) if
        Proc === self
      return MiniTest::Spec.current.#{meth}(args.first, self) if
        args.size == 1 unless #{!!dont_flip}
      return MiniTest::Spec.current.#{meth}(self, *args)
    end
  EOM
end

#infect_with_assertions(pos_prefix, neg_prefix, skip_re, dont_flip_re = /\c0/, map = {}) ⇒ Object

Create your own expectations from MiniTest::Assertions using a flexible set of rules. If you don’t like must/wont, then this method is your friend. For an example of its usage see the bottom of minitest/spec.rb.



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# File 'lib/minitest/spec.rb', line 25

def infect_with_assertions(pos_prefix, neg_prefix,
                           skip_re,
                           dont_flip_re = /\c0/,
                           map = {})
  MiniTest::Assertions.public_instance_methods(false).sort.each do |meth|
    meth = meth.to_s

    new_name = case meth
               when /^assert/ then
                 meth.sub(/^assert/, pos_prefix.to_s)
               when /^refute/ then
                 meth.sub(/^refute/, neg_prefix.to_s)
               end
    next unless new_name
    next if new_name =~ skip_re

    regexp, replacement = map.find { |re, _| new_name =~ re }
    new_name.sub! regexp, replacement if replacement

    puts "\n##\n# :method: #{new_name}\n# See MiniTest::Assertions##{meth}" if
      $0 == __FILE__

    infect_an_assertion meth, new_name, new_name =~ dont_flip_re
  end
end