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class Fixture attr_reader :class_name def find_id if @class_name.is_a?(Class) klass = @class_name else klass = Object.const_get(@class_name) rescue nil end if klass self[klass.primary_key] else # if we can't find the class just assume id self['id'] end end end def build_fixture_accessors(fixture_file, fixtures) accessor_name = File.basename(fixture_file, '.*') file_name = accessor_name.singularize if ActiveRecord::Base.pluralize_table_names fixtures = fixtures.delete_if { |k, v| v.find_id.nil? } if fixtures.empty? "" else <<-CODE begin require_dependency '#{file_name}' rescue LoadError # Let's hope the developer has included it himself end #{file_name.upcase}_MAP = { #{fixtures.map { |k, v| ":#{k} => #{v.find_id}"}.join(",\n ")} } def #{accessor_name}(fixture_name) #{fixtures.values[0].class_name}.find(#{file_name.upcase}_MAP[fixture_name]) end CODE end end class Rake::Task def detract(prerequisite) @prerequisites.delete(prerequisite) end end FIXTURES_LAST_MOD = File.join(RAILS_ROOT, 'tmp', 'fixtures_last_modified') desc 'sets last time fixtures were loaded' task :touch do FileUtils.touch(FIXTURES_LAST_MOD) end namespace :db do namespace :fixtures do desc 'checks whether fixtures were modified before loading' task :lazy_loader do reload_fixtures = true if File.exists?(FIXTURES_LAST_MOD) last_loaded_at = File.mtime(FIXTURES_LAST_MOD) reload_fixtures = false if Dir["test/fixtures/**/*.yml"].entries.find {|f| File.mtime(f) > last_loaded_at}.nil? end if reload_fixtures original_env, RAILS_ENV = RAILS_ENV, 'test' # doubt this makes a difference, but let's be safe Rake::Task["db:fixtures:load_fixtures_and_create_accessors"].invoke RAILS_ENV = original_env end end desc "loads fixtures and creates fixture accessors file to include" task :load_fixtures_and_create_accessors => :environment do require 'active_record/fixtures' fixture_accessors = [] ActiveRecord::Base.establish_connection(RAILS_ENV.to_sym) fixture_files = Dir.glob(File.join(RAILS_ROOT, 'test', 'fixtures', '*')).reject { |file| File.directory?(file) } fixture_files.each do |fixture_file| fixtures = Fixtures.create_fixtures('test/fixtures', File.basename(fixture_file, '.*')) unless File.extname(fixture_file) == '.csv' fixture_accessors << build_fixture_accessors(fixture_file, fixtures) end end File.open(File.dirname(__FILE__) + '/../../test/fixture_accessors.rb', 'w+' ) do |file| file.write(fixture_accessors.join("\n")) end end end end Rake::Task['db:fixtures:load_fixtures_and_create_accessors'].enhance(['touch']) %w(units functionals integration recent uncommitted).each do |task| Rake::Task["test:#{task}"].detract('db:test:prepare') Rake::Task["test:#{task}"].enhance(['environment','db:fixtures:lazy_loader']) end

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