Module: TestProf::LetItBe::Freezer

Defined in:
lib/test_prof/recipes/rspec/let_it_be.rb

Defined Under Namespace

Modules: Stoplist

Class Method Summary collapse

Class Method Details

.deep_freeze(record) ⇒ Object

Rerucsively freezes the object to detect modifications



192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
 
# File 'lib/test_prof/recipes/rspec/let_it_be.rb', line 192

def deep_freeze(record)
  return if record.frozen?
  return if Stoplist.stop?(record)

  record.freeze

  # Support `let_it_be` with `create_list`
  return record.each { |rec| deep_freeze(rec) } if record.respond_to?(:each)

  # Freeze associations as well.
  return unless defined?(::ActiveRecord::Base)
  return unless record.is_a?(::ActiveRecord::Base)

  record.class.reflections.keys.each do |reflection|
    # But only if they are already loaded. If not yet loaded, they weren't
    # created by factories, and it's ok to mutate them.

    next unless record.association(reflection.to_sym).loaded?

    target = record.association(reflection.to_sym).target
    deep_freeze(target) if target.is_a?(::ActiveRecord::Base) || target.respond_to?(:each)
  end
end