Class: Module

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

Overview

:nodoc:

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 4

def infect_an_assertion meth, new_name, dont_flip = false # :nodoc:
  block = dont_flip == :block
  dont_flip = false if block
  target_obj = block ? "_{obj.method}" : "_(obj)"

  # https://eregon.me/blog/2021/02/13/correct-delegation-in-ruby-2-27-3.html
  # Drop this when we can drop ruby 2.6 (aka after rails 6.1 EOL, ~2024-06)
  kw_extra = "ruby2_keywords %p" % [new_name] if respond_to? :ruby2_keywords, true

  # warn "%-22p -> %p %p" % [meth, new_name, dont_flip]
  self.class_eval "    def \#{new_name} *args\n      where = Minitest.filter_backtrace(caller).first\n      where = where.split(/:in /, 2).first # clean up noise\n      Kernel.warn \"DEPRECATED: global use of \#{new_name} from #\\{where}. Use \#{target_obj}.\#{new_name} instead. This will fail in Minitest 6.\"\n      Minitest::Expectation.new(self, Minitest::Spec.current).\#{new_name}(*args)\n    end\n    \#{kw_extra}\n  EOM\n\n  Minitest::Expectation.class_eval <<-EOM, __FILE__, __LINE__ + 1\n    def \#{new_name} *args\n      raise \"Calling #\#{new_name} outside of test.\" unless ctx\n      case\n      when \#{!!dont_flip} then\n        ctx.\#{meth}(target, *args)\n      when \#{block} && Proc === target then\n        ctx.\#{meth}(*args, &target)\n      else\n        ctx.\#{meth}(args.first, target, *args[1..-1])\n      end\n    end\n    \#{kw_extra}\n  EOM\nend\n", __FILE__, __LINE__ + 1