CLDC-700: date validation (#97)

* Add date validation for mrc date

* validate the rest of the date fields

app/controllers/case_logs_controller.rb

@@ -107,9 +107,13 @@ private
         day = params["case_log"]["#{question_key}(3i)"]
         month = params["case_log"]["#{question_key}(2i)"]
         year = params["case_log"]["#{question_key}(1i)"]
-        next unless day.present? && month.present? && year.present?
+        next unless [day, month, year].any?(&:present?)
 
-        result[question_key] = Date.new(year.to_i, month.to_i, day.to_i)
+        result[question_key] = if day.to_i.between?(1, 31) && month.to_i.between?(1, 12) && year.to_i.between?(2000, 2200)
+                                 Date.new(year.to_i, month.to_i, day.to_i)
+                               else
+                                 Date.new(0, 1, 1)
+                               end
       end
       next unless question_params
 

app/models/case_log.rb

@@ -5,6 +5,7 @@ class CaseLogValidator < ActiveModel::Validator
   include PropertyValidations
   include FinancialValidations
   include TenancyValidations
+  include DateValidations
 
   def validate(record)
     # If we've come from the form UI we only want to validate the specific fields

app/validations/date_validations.rb

@@ -0,0 +1,21 @@
+module DateValidations
+  def validate_property_major_repairs(record)
+    date_valid?("mrcdate", record)
+  end
+
+  def validate_tenancy_start_date(record)
+    date_valid?("startdate", record)
+  end
+
+  def validate_sale_completion_date(record)
+    date_valid?("sale_completion_date", record)
+  end
+
+private
+
+  def date_valid?(question, record)
+    if record[question].is_a?(ActiveSupport::TimeWithZone) && record[question].year.zero?
+      record.errors.add question, "Please enter a valid date"
+    end
+  end
+end

spec/controllers/case_logs_controller_spec.rb

@@ -184,7 +184,7 @@ RSpec.describe CaseLogsController, type: :controller do
           "mrcdate(1i)": "2021",
           "mrcdate(2i)": "05",
           "mrcdate(3i)": "04",
-          page: "major_repairs_date",
+          page: "property_major_repairs",
         }
       end
       it "saves full and partial dates" do

spec/features/case_log_spec.rb

@@ -489,4 +489,56 @@ RSpec.describe "Test Features" do
       expect(page).to have_current_path("/case_logs/#{id}/rent")
     end
   end
+
+  describe "date validation", js: true do
+    def fill_in_date(case_log_id, question, day, month, year, path)
+      visit("/case_logs/#{case_log_id}/#{path}")
+      fill_in("#{question}_1i", with: year)
+      fill_in("#{question}_2i", with: month)
+      fill_in("#{question}_3i", with: day)
+    end
+    it "does not allow out of range dates to be submitted" do
+      fill_in_date(id, "case_log_mrcdate", 3100, 12, 2000, "property_major_repairs")
+      click_button("Save and continue")
+      expect(page).to have_current_path("/case_logs/#{id}/property_major_repairs")
+
+      fill_in_date(id, "case_log_mrcdate", 12, 1, 20_000, "property_major_repairs")
+      click_button("Save and continue")
+      expect(page).to have_current_path("/case_logs/#{id}/property_major_repairs")
+
+      fill_in_date(id, "case_log_mrcdate", 13, 100, 2020, "property_major_repairs")
+      click_button("Save and continue")
+      expect(page).to have_current_path("/case_logs/#{id}/property_major_repairs")
+
+      fill_in_date(id, "case_log_mrcdate", 21, 11, 2020, "property_major_repairs")
+      click_button("Save and continue")
+      expect(page).to have_current_path("/case_logs/#{id}/local_authority/check_answers")
+    end
+
+    it "does not allow non numeric inputs to be submitted" do
+      fill_in_date(id, "case_log_mrcdate", "abc", "de", "ff", "property_major_repairs")
+      click_button("Save and continue")
+      expect(page).to have_current_path("/case_logs/#{id}/property_major_repairs")
+    end
+
+    it "does not allow partial inputs to be submitted" do
+      fill_in_date(id, "case_log_mrcdate", 21, 12, nil, "property_major_repairs")
+      click_button("Save and continue")
+      expect(page).to have_current_path("/case_logs/#{id}/property_major_repairs")
+
+      fill_in_date(id, "case_log_mrcdate", 12, nil, 2000, "property_major_repairs")
+      click_button("Save and continue")
+      expect(page).to have_current_path("/case_logs/#{id}/property_major_repairs")
+
+      fill_in_date(id, "case_log_mrcdate", nil, 10, 2020, "property_major_repairs")
+      click_button("Save and continue")
+      expect(page).to have_current_path("/case_logs/#{id}/property_major_repairs")
+    end
+
+    it "allows valid inputs to be submitted" do
+      fill_in_date(id, "case_log_mrcdate", 21, 11, 2020, "property_major_repairs")
+      click_button("Save and continue")
+      expect(page).to have_current_path("/case_logs/#{id}/local_authority/check_answers")
+    end
+  end
 end

spec/fixtures/forms/test_form.json

@@ -511,7 +511,7 @@
                   }
                 }
               },
-              "major_repairs_date": {
+              "property_major_repairs": {
                 "questions": {
                   "mrcdate": {
                     "check_answer_label": "What was the major repairs completion date?",