covers 'facets/module/wrap_method' test_case Module do method :wrap_method do test do c = Class.new do def a; "A"; end wrap_method(:a) { |old| old.call + "B" } end c.new.a.assert == "AB" end end method :wrap do test do c = Class.new do def b; "B"; end wrap(:b) { |old| old.call + "C" } end c.new.b.assert == "BC" end end end