Scaffolded FarmbotDevice class. Wrote specs

app/models/farmbot_device.rb

@@ -0,0 +1,4 @@
+class FarmbotDevice
+  include Mongoid::Document
+  belongs_to :user
+end

app/models/user.rb

@@ -1,7 +1,8 @@
 class User
   include Mongoid::Document
-  # Include default devise modules. Others available are:
-  # :confirmable, :lockable, :timeoutable and :omniauthable
+
+  has_many :farmbot_devices, dependent: :destroy
+
   devise :database_authenticatable, :registerable,
          :recoverable, :rememberable, :trackable, :validatable
 
@@ -23,6 +24,13 @@ class User
   field :current_sign_in_ip, type: String
   field :last_sign_in_ip,    type: String
 
+  # The username.
+  field :name, type: String
+  validates_uniqueness_of :name
+  validates_presence_of :name
+end
+  # Include default devise modules. Others available are:
+  # :confirmable, :lockable, :timeoutable and :omniauthable
   ## Confirmable
   # field :confirmation_token,   type: String
   # field :confirmed_at,         type: Time
@@ -35,9 +43,3 @@ class User
   # field :unlock_token,    type: String
   # Only if unlock strategy is :email or :both
   # field :locked_at,       type: Time
-
-  # The username.
-  field :name, type: String
-  validates_uniqueness_of :name
-  validates_presence_of :name
-end

spec/factories/farmbot_devices.rb

@@ -0,0 +1,6 @@
+# Read about factories at https://github.com/thoughtbot/factory_girl
+
+FactoryGirl.define do
+  factory :farmbot_device do
+  end
+end

spec/models/farmbot_device_spec.rb

@@ -0,0 +1,22 @@
+require 'spec_helper'
+
+describe FarmbotDevice do
+  let(:user)  { FactoryGirl.create(:user) }
+  let(:device){ FactoryGirl.create(:farmbot_device, user: user)}
+
+  it 'is associated with a user' do
+    expect(device.user).to be_kind_of(User)
+    expect(user.farmbot_devices).to be_kind_of(Array)
+    expect(user.farmbot_devices.first).to be_kind_of(FarmbotDevice)
+  end
+  
+  it 'destroys dependant devices' do
+    bot_id  = device.id
+    user_id = user.id
+    user.destroy
+    user_results = User.where(id: user_id).first
+    bot_results  = FarmbotDevice.where(id: bot_id).first
+    expect(bot_results).to be_nil
+    expect(user_results).to be_nil
+  end
+end