Fix pagy variable error date

app/controllers/receivables_controller.rb

@@ -76,8 +76,10 @@ def user_receivable_params
   end
 
   def pagy_calendar_period(collection)
-    to_time = collection.minmax.map(&:date)
-    to_time.map { |time| time.to_time }
+    return [Date.today.to_time, Date.today.to_time] if collection.empty?
+
+    to_time = collection.minmax.map!(&:date)
+    to_time.map { |time| time.to_time }.sort!
   end
 
   def pagy_calendar_filter(collection, from, to)

spec/rails_helper.rb

@@ -5,6 +5,7 @@
 # Prevent database truncation if the environment is production
 abort("The Rails environment is running in production mode!") if Rails.env.production?
 require 'rspec/rails'
+require 'devise'
 # Add additional requires below this line. Rails is not loaded until this point!
 
 # Requires supporting ruby files with custom matchers and macros, etc, in
@@ -33,6 +34,8 @@
 RSpec.configure do |config|
   # Remove this line if you're not using ActiveRecord or ActiveRecord fixtures
   config.fixture_path = "#{::Rails.root}/spec/fixtures"
+  config.include Devise::Test::ControllerHelpers, type: :controller
+  config.include Devise::Test::IntegrationHelpers, type: :request
 
   # If you're not using ActiveRecord, or you'd prefer not to run each of your
   # examples within a transaction, remove the following line or assign false

spec/requests/receivables_spec.rb

@@ -16,19 +16,44 @@
 
   # Receivable. As you add validations to Receivable, be sure to
   # adjust the attributes here as well.
+  let(:user){ FactoryBot.create(:user, email: 'diego@example.com') }
   let(:valid_attributes) {
-    skip("Add a hash of attributes valid for your model")
+    FactoryBot.attributes_for(:receivable).merge!(user_id: user.id)
   }
 
+
   let(:invalid_attributes) {
     skip("Add a hash of attributes invalid for your model")
   }
 
   describe "GET /index" do
-    it "renders a successful response" do
-      Receivable.create! valid_attributes
-      get receivables_url
-      expect(response).to be_successful
+    before { sign_in user }
+
+    context "when Receivable is present" do
+      it "renders a successful response" do
+        Receivable.create! valid_attributes
+        get receivables_url
+        expect(response).to be_successful
+      end
+    end
+
+    context "when Receivable is empty" do
+      it "renders a successful response" do
+        get receivables_url
+        expect(response).to be_successful
+      end
+    end
+
+    context "when last Receivable has date lass than first Receivable" do
+      let(:date_one_day_before){ { date: "2021-08-07" }}
+
+      it "renders a successful response" do
+        Receivable.create! valid_attributes
+        Receivable.create! valid_attributes.merge!(date_one_day_before)
+
+        get receivables_url
+        expect(response).to be_successful
+      end
     end
   end