Add spec to family_request.rb

app/models/family_request.rb

@@ -14,6 +14,8 @@ class FamilyRequest < ApplicationRecord
   has_many :family_request_children, dependent: :destroy
   has_many :children, through: :family_request_children
 
+  validates :partner, presence: true
+
   def export_json
     items_count_map = children.each_with_object({}) do |child, map|
       map[child.item_needed_diaperid] ||= 0

spec/models/family_request_spec.rb

@@ -12,4 +12,23 @@
 require "rails_helper"
 
 RSpec.describe FamilyRequest, type: :model do
+  it { is_expected.to validate_presence_of(:partner) }
+
+  it { should have_many(:family_request_children).dependent(:destroy) }
+
+  it { should have_many(:children).through(:family_request_children) }
+
+  describe "#export_json" do
+    let(:partner) { create(:partner) }
+    let(:family_request) { create(:family_request, partner: partner) }
+    it "should return a JSON format" do
+      result = {
+        organization_id: partner.id,
+        partner_id: partner.id,
+        requested_items: []
+      }.to_json
+
+      expect(family_request.export_json).to eql result
+    end
+  end
 end