Create HABTM relationship in FactoryGirl?

Question

I have the following:

    class Group < ActiveRecord::Base
      has_and_belongs_to_many :users
      has_many :permissions
      has_one :city
    end


    class User < ActiveRecord::Base
      has_many :permissions, dependent: :destroy
      has_and_belongs_to_many :groups
    end

    FactoryGirl.define do
      factory :user do
        username            { FFaker::Name.first_name }
        email               { FFaker::Internet.email }
        first_name          { FFaker::Name.first_name }
        last_name           { FFaker::Name.last_name }
        current_login_ip "127.0.0.1"
        login_count         { rand(100) + 1 }
        deleted_at nil
        updated_at          { FactoryGirl.generate(:time) }
        created_at          { FactoryGirl.generate(:time) }
        suspended_at nil
        password "password"
        password_confirmation "password"
        vertical {1}
        marketplace_role {1}
      end

      factory :admin do
        admin true
      end


      factory :group do
        users { |a| [a.association(:user)] }
        name                { FFaker::Company.name }
        city                { FactoryGirl.create(:city) }
      end
    end

    FactoryGirl.define do
      factory :permission do
        user
        group
        asset               { fail "Please specify :asset for the permission" }
        updated_at          { FactoryGirl.generate(:time) }
        created_at          { FactoryGirl.generate(:time) }
      end
    end

 factory :city do
    name              { FFaker::Name.name }
  end

  factory :zone do
    city
    name              { FFaker::Name.name }
  end

  factory :location do
    zone
    name              { FFaker::Name.name }
  end

Failure/Error: @group = FactoryGirl.create(:group) ActiveModel::MissingAttributeError: can't write unknown attribute group_id

This is what I get. I am unable to define and use the groups factory. I looked into this post, But the solution doesnt work.

please show the `city` factory – Andrey Deineko Dec 01 '15 at 11:19 — Andrey Deineko, Dec 01 '15 at 11:19

score 1 · Accepted Answer · answered Dec 01 '15 at 12:17

1

Change city factory to the following

 factory :city do
    group             nil # or group_id if you will
    name              { FFaker::Name.name }
  end

and you'll most likely be good.

answered Dec 01 '15 at 12:17

Andrey Deineko

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I am getting undefined method `group=' for #. city doesnt belong to group although group has one city. – marti Dec 01 '15 at 12:43
it is because you should add `group_id` to `cities` table, otherwise how would it belong _to group? :) – Andrey Deineko Dec 01 '15 at 12:45
Group seems to have city_id, not the other way around. – marti Dec 01 '15 at 12:46
then group should belong to city, and city has_one :group - you mixed up associations a bit :) – Andrey Deineko Dec 01 '15 at 12:48

Create HABTM relationship in FactoryGirl?

1 Answers1