Adding tests for get request to index models

spec/requests/app/controllers/api/v3/models_index_api_spec.rb

@@ -0,0 +1,42 @@
+require 'rails_helper'
+RSpec.describe Api::V3::ApiController, type: :request do
+  Setup::Models.all.each do |model|
+    model_name_array = model.name.to_s.split('::')
+    namespace = model_name_array.first.downcase
+    underscore_model_name = model_name_array.last.underscore
+
+    if namespace == "setup" || namespace == "cenit"
+      describe "GET /api/v3/#{namespace}/#{underscore_model_name}" do
+        context "fail retrieve all existing #{underscore_model_name}" do
+          it "with missing header request" do
+            get "/api/v3/#{namespace}/#{underscore_model_name}"
+            expect(response).to have_http_status(:forbidden)
+            expect(json_response[:error]).to eq("insufficient_scope")
+            expect(json_response[:error_description]).to eq("The requested action is out of the access token scope")
+          end
+
+          it "with unauthorized token request" do
+            get "/api/v3/#{namespace}/#{underscore_model_name}", headers: {
+                Authorization: "Bearer unauthorized_token }"
+            }
+            expect(response).to have_http_status(:unauthorized)
+            expect(json_response[:error]).to eq("invalid_token")
+            expect(json_response[:error_description]).to eq("Malformed authorization header")
+          end
+        end
+
+        context "successful retrieve all existing #{underscore_model_name}" do
+          it "with authorized token request" do
+            get "/api/v3/#{namespace}/#{underscore_model_name}", headers: header_token_authorization
+            expect(response).to have_http_status(:ok)
+            expect(json_response[:count]).to be
+            expect(json_response[:current_page]).to be
+            expect(json_response[:data_type]).to be
+            expect(json_response[:items]).to be
+            expect(json_response[:total_pages]).to be
+          end
+        end
+      end
+    end
+  end
+end