gistfile1.txt

# When I run the specs above, the following error occurs:

$ script/spec -c spec/controllers/strange_name_error.rb 
./spec/controllers/strange_name_error.rb:15: undefined local variable or method `properties_url' for #<Class:0x22b918c> (NameError)
	from /Users/nick/src/housing-rentals/vendor/plugins/rspec/lib/spec/example/example_group_methods.rb:68:in `module_eval'
	from /Users/nick/src/housing-rentals/vendor/plugins/rspec/lib/spec/example/example_group_methods.rb:68:in `create_nested_example_group'
	from /Users/nick/src/housing-rentals/vendor/plugins/rspec/lib/spec/extensions/class.rb:14:in `instance_eval'
	from /Users/nick/src/housing-rentals/vendor/plugins/rspec/lib/spec/extensions/class.rb:14:in `subclass'
	from /Users/nick/src/housing-rentals/vendor/plugins/rspec/lib/spec/example/example_group_methods.rb:66:in `create_nested_example_group'
	from /Users/nick/src/housing-rentals/vendor/plugins/rspec/lib/spec/example/example_group_methods.rb:53:in `describe'
	from ./spec/controllers/strange_name_error.rb:5
	from /Users/nick/src/housing-rentals/vendor/plugins/rspec/lib/spec/example/example_group_methods.rb:68:in `module_eval'
	from /Users/nick/src/housing-rentals/vendor/plugins/rspec/lib/spec/example/example_group_methods.rb:68:in `create_nested_example_group'
	from /Users/nick/src/housing-rentals/vendor/plugins/rspec/lib/spec/extensions/class.rb:14:in `instance_eval'
	from /Users/nick/src/housing-rentals/vendor/plugins/rspec/lib/spec/extensions/class.rb:14:in `subclass'
	from /Users/nick/src/housing-rentals/vendor/plugins/rspec/lib/spec/example/example_group_methods.rb:66:in `create_nested_example_group'
	from /Users/nick/src/housing-rentals/vendor/plugins/rspec/lib/spec/example/example_group_methods.rb:53:in `describe'
	from /Users/nick/src/housing-rentals/vendor/plugins/rspec/lib/spec/example/example_group_factory.rb:59:in `create_example_group'
	from /Users/nick/src/housing-rentals/vendor/plugins/rspec/lib/spec/dsl/main.rb:23:in `describe'
	from ./spec/controllers/strange_name_error.rb:4
	from /Users/nick/src/housing-rentals/vendor/plugins/rspec/lib/spec/runner/example_group_runner.rb:14:in `load'
	from /Users/nick/src/housing-rentals/vendor/plugins/rspec/lib/spec/runner/example_group_runner.rb:14:in `load_files'
	from /Users/nick/src/housing-rentals/vendor/plugins/rspec/lib/spec/runner/example_group_runner.rb:13:in `each'
	from /Users/nick/src/housing-rentals/vendor/plugins/rspec/lib/spec/runner/example_group_runner.rb:13:in `load_files'
	from /Users/nick/src/housing-rentals/vendor/plugins/rspec/lib/spec/runner/options.rb:98:in `run_examples'
	from /Users/nick/src/housing-rentals/vendor/plugins/rspec/lib/spec/runner/command_line.rb:10:in `run'
	from script/spec:4

strange_name_error.rb

require File.expand_path(File.dirname(__FILE__) + '/../spec_helper')
require 'spec/shared/stub_association'

describe PropertiesController do
  describe 'trying to pass a URL helper as a method argument' do
    def foo(&block)
      result = block.call
          # OR
      result = instance_eval(&block)
    end 

    it 'should generate the properties URL' do
      properties_url.should == '/properties'
      puts "properties_url = <<#{properties_url}>>"
    end 

    foo { properties_url }
  end 
end