Debugging cross-test dependencies

dump.sh

rspec --require ./lib/rspec_debug_formatter.rb --format RSpecDebugFormatter --seed 8812 --fail-fast spec/

rspec_debug_formatter.rb

require 'rspec/core/formatters/base_text_formatter'
 
class RSpecDebugFormatter < RSpec::Core::Formatters::BaseFormatter

  def example_group_started(example_group)
    meta = example_group.metadata
    if meta[:shared_group_name]
      shared_group = meta[:example_group]
      output << "#{shared_group[:file_path]}:#{shared_group[:line_number]}\n"
    end
  end
 
  def example_started(example)
    output << "#{example.location}\n" unless shared_example?(example.file_path, example.metadata[:example_group])
  end

  private

  def shared_example?(file_path, meta)
    file_path != meta[:file_path] || meta[:example_group] && shared_example?(file_path, meta[:example_group])
  end
 
end