gistfile1.txt

require 'yaml'
require 'busted'
require 'ostruct'

obj = Object.new

module Stuff
  def bar
  end
end

module Fooo
  def baar
    puts "bar"
  end
end

results = [
  "Busted.cache? { Class.new }",
  "Busted.cache? { Class.new { def foo; end } }",
  "Busted.cache? { Klass = Class.new { def foo; end } }",
  "Busted.cache? { class Foo; end }",
  "Busted.cache? { obj.extend(Stuff) }",
  "Busted.cache? { def obj.do_a_thing; end }",
  "Busted.cache? { obj.extend(Fooo) }",
  "Busted.cache? { OpenStruct.new(foo: 'foo', bar: 'bar') }",
  "Busted.cache? { thing = OpenStruct.new(foo: 'foo', bar: 'bar') }"
].map { |c| [c, eval(c, binding)] }

results.each { |(command, result)| puts "- #{command}\n  => #{result}" }

- Busted.cache? { Class.new }
  => false
- Busted.cache? { Class.new { def foo; end } }
  => false
- Busted.cache? { Klass = Class.new { def foo; end } }
  => true
- Busted.cache? { class Foo; end }
  => true
- Busted.cache? { obj.extend(Stuff) }
  => false
- Busted.cache? { def obj.do_a_thing; end }
  => false
- Busted.cache? { obj.extend(Fooo) }
  => false
- Busted.cache? { OpenStruct.new(foo: 'foo', bar: 'bar') }
  => false
- Busted.cache? { thing = OpenStruct.new(foo: 'foo', bar: 'bar') }
  => false