Validating your Fixtures in Rails 4

fixture_validation_test.rb

# Adapted for Rails 4 from http://trevorturk.com/2008/09/20/validating-your-fixtures/
# I put this in test/models/. Trevor put his in test/integration/.

require 'test_helper'

class FixtureValidationTest < ActiveSupport::TestCase

  test "fixtures should be valid" do
    models = ActiveRecord::FixtureSet.all_loaded_fixtures.keys
    models.each do |model|
      model = model.camelize.singularize.constantize
      fixtures = model.all
      fixtures.each do |fixture|
        if !fixture.valid?
          puts; puts "WARNING: Invalid fixture: #{fixture.inspect}"
        end
        assert fixture.valid?, fixture.errors.full_messages
      end
    end
  end

end