require 'erb' require_relative '../../spec_helper' describe "ERB#def_module" do it "return unnamed module which has instance method to render eRuby" do input = <<'END' arg1=<%= arg1.inspect %> arg2=<%= arg2.inspect %> END expected = <<'END' arg1="foo" arg2=123 END filename = 'example.rhtml' #erb = ERB.new(File.read(filename)) erb = ERB.new(input) erb.filename = filename MyModule2ForErb = erb.def_module('render(arg1, arg2)') MyModule2ForErb.method_defined?(':render') class MyClass2ForErb include MyModule2ForErb end MyClass2ForErb.new.render('foo', 123).should == expected end end