Module: ActiveRecord::TestFixtures::ClassMethods

Defined in:
activerecord/lib/active_record/fixtures.rb

Instance Method Summary collapse

Instance Method Details

#fixtures(*fixture_names) ⇒ Object 



795
796
797
798
799
800
801
802
803
804
805
806
 
# File 'activerecord/lib/active_record/fixtures.rb', line 795

def fixtures(*fixture_names)
  if fixture_names.first == :all
    fixture_names = Dir["#{fixture_path}/**/*.{yml,csv}"]
    fixture_names.map! { |f| f[(fixture_path.size + 1)..-5] }
  else
    fixture_names = fixture_names.flatten.map { |n| n.to_s }
  end

  self.fixture_table_names |= fixture_names
  require_fixture_classes(fixture_names)
  setup_fixture_accessors(fixture_names)
end

#require_fixture_classes(fixture_names = nil) ⇒ Object 



820
821
822
823
824
825
826
 
# File 'activerecord/lib/active_record/fixtures.rb', line 820

def require_fixture_classes(fixture_names = nil)
  (fixture_names || fixture_table_names).each do |fixture_name|
    file_name = fixture_name.to_s
    file_name = file_name.singularize if ActiveRecord::Base.pluralize_table_names
    try_to_load_dependency(file_name)
  end
end

#set_fixture_class(class_names = {}) ⇒ Object 



791
792
793
 
# File 'activerecord/lib/active_record/fixtures.rb', line 791

def set_fixture_class(class_names = {})
  self.fixture_class_names = self.fixture_class_names.merge(class_names)
end

#setup_fixture_accessors(fixture_names = nil) ⇒ Object 



828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
 
# File 'activerecord/lib/active_record/fixtures.rb', line 828

def setup_fixture_accessors(fixture_names = nil)
  fixture_names = Array.wrap(fixture_names || fixture_table_names)
  methods = Module.new do
    fixture_names.each do |fixture_name|
      fixture_name = fixture_name.to_s.tr('./', '_')

      define_method(fixture_name) do |*fixtures|
        force_reload = fixtures.pop if fixtures.last == true || fixtures.last == :reload

        @fixture_cache[fixture_name] ||= {}

        instances = fixtures.map do |fixture|
          @fixture_cache[fixture_name].delete(fixture) if force_reload

          if @loaded_fixtures[fixture_name][fixture.to_s]
            ActiveRecord::IdentityMap.without do
              @fixture_cache[fixture_name][fixture] ||= @loaded_fixtures[fixture_name][fixture.to_s].find
            end
          else
            raise StandardError, "No fixture with name '#{fixture}' found for table '#{fixture_name}'"
          end
        end

        instances.size == 1 ? instances.first : instances
      end
      private fixture_name
    end
  end
  include methods
end

#try_to_load_dependency(file_name) ⇒ Object 



808
809
810
811
812
813
814
815
816
817
818
 
# File 'activerecord/lib/active_record/fixtures.rb', line 808

def try_to_load_dependency(file_name)
  require_dependency file_name
rescue LoadError => e
  # Let's hope the developer has included it himself

  # Let's warn in case this is a subdependency, otherwise
  # subdependency error messages are totally cryptic
  if ActiveRecord::Base.logger
    ActiveRecord::Base.logger.warn("Unable to load #{file_name}, underlying cause #{e.message} \n\n #{e.backtrace.join("\n")}")
  end
end

#uses_transaction(*methods) ⇒ Object 



859
860
861
862
 
# File 'activerecord/lib/active_record/fixtures.rb', line 859

def uses_transaction(*methods)
  @uses_transaction = [] unless defined?(@uses_transaction)
  @uses_transaction.concat methods.map { |m| m.to_s }
end

#uses_transaction?(method) ⇒ Boolean

Returns:

  • (Boolean) 


864
865
866
867
 
# File 'activerecord/lib/active_record/fixtures.rb', line 864

def uses_transaction?(method)
  @uses_transaction = [] unless defined?(@uses_transaction)
  @uses_transaction.include?(method.to_s)
end