Merge pull request #2858 from rspec/jruby-fix

JRuby fix

Author: JonRowe

spec/support/aruba_support.rb

@@ -1,3 +1,25 @@
+if RSpec::Support::Ruby.jruby? && RSpec::Support::Ruby.jruby_version == "9.1.17.0"
+  # A regression appeared in require_relative in JRuby 9.1.17.0 where require some
+  # how ends up private, this monkey patch uses `send`
+  module Kernel
+    module_function
+      def require_relative(relative_arg)
+        relative_arg = relative_arg.to_path if relative_arg.respond_to? :to_path
+        relative_arg = JRuby::Type.convert_to_str(relative_arg)
+
+        caller.first.rindex(/:\d+:in /)
+        file = $` # just the filename
+        raise LoadError, "cannot infer basepath" if /\A\((.*)\)/ =~ file # eval etc.
+
+        absolute_feature = File.expand_path(relative_arg, File.dirname(File.realpath(file)))
+
+        # This was the orginal:
+        # ::Kernel.require absolute_feature
+        ::Kernel.send(:require, absolute_feature)
+      end
+  end
+end
+
 module ArubaLoader
   extend RSpec::Support::WithIsolatedStdErr
   with_isolated_stderr do