enum_strings.rb

require 'active_record'
require 'logger'

ActiveRecord::Base.establish_connection adapter: 'sqlite3', database: ':memory:'

ActiveRecord::Base.connection.instance_eval do
  create_table(:starting_goalies) do |t|
    t.string :status
  end
end

class StartingGoalie < ActiveRecord::Base
  enum status: {
    expected: 'Expected',
    confirmed: 'Confirmed',
    undecided: 'Undecided'
  }
end

starter = StartingGoalie.new(status: 'Expected')

p starter.expected?

starter.confirmed!

p starter[:status]