polish user associations

app/models/user.rb

@@ -4,6 +4,9 @@ class User < ActiveRecord::Base
   validates_presence_of :city
   validates_presence_of :country
 
+  has_one :application , class_name: :Apply
+  has_one :resume
+
   enum role: [:user, :teacher, :admin]
 
   after_initialize :set_default_role, :if => :new_record?
@@ -18,9 +21,6 @@ class User < ActiveRecord::Base
     Resume.find_or_create_by( :user_id => self.id)
   end
 
-  def application
-    Apply.where(user_id: self.id ).first
-  end
   # Include default devise modules. Others available are:
   # :confirmable, :lockable, :timeoutable and :omniauthable
   devise :database_authenticatable, :registerable, :confirmable,

spec/factories/applies.rb

@@ -4,6 +4,6 @@ FactoryGirl.define do
     comment "Some Comment"
     sent "2016-05-17"
     plan "Flex"
-    user { FactoryGirl.create(:user) }
+    user 
   end
 end

spec/models/user_spec.rb

@@ -12,8 +12,18 @@ describe User do
     end
   end
 
-  it "factory works" do
-    user = build :user
-    expect(user).to be_valid
+  describe "factory" do
+    it "basic build" do
+      user = build :user
+      expect(user).to be_valid
+    end
+    it "application assoc" do
+      user = create :user
+      expect(user.application).to be_nil
+    end
+    it "resume assoc" do
+      user = create :user
+      expect(user.resume).not_to be_nil
+    end
   end
 end