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



160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
 
# File 'lib/test_prof/recipes/rspec/let_it_be.rb', line 160

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