Added customer composite key

spec/controllers/customers_controller_spec.rb

@@ -0,0 +1,76 @@
+require 'rails_helper'
+
+RSpec.describe CustomersController do
+  # First create a company to associate with customers
+  let(:company) { Company.create!(name: "Test Company", entity: "Corp", id_number: "123456") }
+
+  let(:valid_attributes) do
+    {
+      first_name: "John",
+      surname: "Doe",
+      original_phone: "123456789",
+      phone: "123456789",
+      company_id: company.id
+    }
+  end
+
+  let(:invalid_attributes) do
+    {
+      first_name: nil,
+      surname: nil,
+      phone: nil
+    }
+  end
+
+  describe "GET #index" do
+    it "returns a success response" do
+      Customer.create! valid_attributes
+      get :index, params: { company_id: company.id }
+      expect(response).to be_successful
+    end
+  end
+
+  describe "GET #new" do
+    it "returns a success response" do
+      get :new, params: { company_id: company.id }
+      expect(response).to be_successful
+    end
+  end
+
+  describe "POST #create" do
+    context "with valid params" do
+      it "creates a new Customer" do
+        expect do
+          post :create, params: { customer: valid_attributes, company_id: company.id }
+        end.to change(Customer, :count).by(1)
+
+        # Verify the customer data was saved correctly
+        customer = Customer.last
+        expect(customer.first_name).to eq("John")
+        expect(customer.surname).to eq("Doe")
+        expect(customer.phone).to eq("123456789")
+        expect(customer.original_phone).to eq("123456789")
+        expect(customer.company_id).to eq(company.id)
+      end
+
+      it "redirects after creation" do
+        post :create, params: { customer: valid_attributes, company_id: company.id }
+        expect(response).to be_redirect
+
+        # Verify the customer data was saved correctly
+        customer = Customer.last
+        expect(customer.first_name).to eq("John")
+        expect(customer.surname).to eq("Doe")
+        expect(customer.phone).to eq("123456789")
+        expect(customer.company_id).to eq(company.id)
+      end
+    end
+
+    context "with invalid params" do
+      it "handles invalid attributes appropriately" do
+        post :create, params: { customer: invalid_attributes, company_id: company.id }
+        expect(response.status).to be_in([200, 302, 422])
+      end
+    end
+  end
+end