require 'erb' require File.expand_path('../../../../spec_helper', __FILE__) describe "ERB::DefMethod.def_erb_method" do input = <<'END' <% for item in @items %> <%= item %> <% end %> END it "define method to render eRuby file as an instance method of current module" do expected = <<'END' 10 20 30 END # begin file = tmp('_example.rhtml') File.open(file, 'w') {|f| f.write(input) } klass = Class.new do extend ERB::DefMethod def_erb_method('render()', file) def initialize(items) @items = items end end klass.new([10,20,30]).render().should == expected ensure rm_r file end end it "define method to render eRuby object as an instance method of current module" do expected = <<'END' 10 20 30 END # MY_INPUT4_FOR_ERB = input class MyClass4ForErb extend ERB::DefMethod erb = ERB.new(MY_INPUT4_FOR_ERB, nil, '<>') def_erb_method('render()', erb) def initialize(items) @items = items end end MyClass4ForErb.new([10,20,30]).render().should == expected end end