require 'erb' require File.expand_path('../../../spec_helper', __FILE__) describe "ERB#def_class" do it "return an unnamed class which has instance method to render eRuby script" do input = <<'END' @arg1=<%=@arg1.inspect%> @arg2=<%=@arg2.inspect%> END expected = <<'END' @arg1="foo" @arg2=123 END class MyClass1ForErb_ def initialize(arg1, arg2) @arg1 = arg1; @arg2 = arg2 end end filename = 'example.rhtml' #erb = ERB.new(File.read(filename)) erb = ERB.new(input) erb.filename = filename MyClass1ForErb = erb.def_class(MyClass1ForErb_, 'render()') MyClass1ForErb.method_defined?(:render).should == true MyClass1ForErb.new('foo', 123).render().should == expected end end