Pastie now auto-senses if line-wrap is a bad or good idea. Feedback?
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module Spec module Rails module Matchers class HaveValidAssociations def matches?(model) @failed_association = nil @model_class = model.class model.save(false) model.class.reflect_on_all_associations.each do |assoc| object = model.send(assoc.name, true) rescue @failed_association = assoc.name if object.nil? model.send(assoc.name, :reset) # does this actually do anything else begin model.send(assoc.name).reload rescue => err @failed_association = "#{assoc.name} => #{err.message}" end end end !@failed_association end def failure_message "invalid association \"#{@failed_association}\" on #{@model_class}" end end def have_valid_associations HaveValidAssociations.new end end end end
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From the Design Piracy series on my blog: