Running validation on model's attributes in a has_one polymorphic relationship about factory_bot_rails HOT 3 CLOSED

class Matchup < ActiveRecord::Base
  belongs_to :matchupable, polymorphic: true
  validates :matchupable_id, :matchupable_type, presence: true,
    if: Proc.new { |record| record.baseball? }
end

class BaseballMatchup < ActiveRecord::Base
  has_one :matchup, as: :matchupable
end

class CreateTables < ActiveRecord::Migration
  def up
    create_table :matchups do |t|
      t.timestamps
      t.integer :matchupable_id
      t.string :matchupable_type
      t.boolean :baseball, null: false, default: false
    end

    create_table :baseball_matchups do |t|
      t.timestamps
    end
  end

  def down
    drop_table :baseball_matchups

    drop_table :matchups
  end
end

require 'spec_helper'

describe Matchup do
  it 'is valid without a matchupable' do
    matchup = FactoryGirl.build(:matchup, matchupable_id: nil, matchupable_type: nil)
    matchup.should be_valid
  end
end

module FactoryGirl
  class Singleton
    @@singletons = {}

    def self.execute(factory_key)
      begin
        @@singletons[factory_key] = FactoryGirl.create(factory_key)
      rescue ActiveRecord::RecordInvalid, ActiveRecord::RecordNotUnique
        # already in DB so return nil
      end

      @@singletons[factory_key]
    end
  end
end

FactoryGirl.define do
  factory :matchup do
    matchupable { FactoryGirl::Singleton.execute(:baseball_matchup) }

    trait :non_baseball_matchup do
      matchupable_id nil
      matchupable_type nil
    end
  end

  factory :baseball_matchup do
    after(:build) do |bm|
      bm.matchup = FactoryGirl::Singleton.execute(:matchup, :matchupable => bm)
    end
  end
end

% ./.binstubs/rspec spec/models/matchup_spec.rb
.

Finished in 0.07615 seconds
1 example, 0 failures