Add eligibility check for contract start date

We want to reject claimants if their contract start date is earlier than
6 months before the autumn term. This commit updates the eligibility
checker to do so and also adds some missing tests.

app/models/academic_year.rb

@@ -15,6 +15,9 @@ class AcademicYear
 
   ACADEMIC_YEAR_REGEXP = /\A20\d{2}\/20\d{2}\z/
 
+  AUTUMN_TERM_START_MONTH = 9
+  AUTUMN_TERM_START_DAY = 1
+
   attr_reader :start_year, :end_year
 
   # Defines a custom ActiveRecord::Type for AcademicYear that means we can
@@ -52,7 +55,12 @@ def next
     def for(date)
       return if date.nil?
 
-      start_of_autumn_term = Date.new(date.year, 9, 1)
+      start_of_autumn_term = Date.new(
+        date.year,
+        AUTUMN_TERM_START_MONTH,
+        AUTUMN_TERM_START_DAY
+      )
+
       if date < start_of_autumn_term
         new(date.year - 1)
       else
@@ -132,4 +140,8 @@ def -(other)
   def +(other)
     AcademicYear.new(start_year + other)
   end
+
+  def start_of_autumn_term
+    Date.new(start_year, AUTUMN_TERM_START_MONTH, AUTUMN_TERM_START_DAY)
+  end
 end

app/models/policies/international_relocation_payments/eligibility.rb

@@ -3,6 +3,15 @@ module InternationalRelocationPayments
     class Eligibility < ApplicationRecord
       self.table_name = "international_relocation_payments_eligibilities"
 
+      PRE_ACADEMIC_YEAR_WINDOW_LIMIT = 6.months
+
+      def self.earliest_eligible_contract_start_date
+        Journeys::GetATeacherRelocationPayment
+          .configuration
+          .current_academic_year
+          .start_of_autumn_term - PRE_ACADEMIC_YEAR_WINDOW_LIMIT
+      end
+
       has_one :claim, as: :eligibility, inverse_of: :eligibility
 
       def ineligible?
@@ -12,11 +21,6 @@ def ineligible?
       def policy
         Policies::InternationalRelocationPayments
       end
-
-      def self.earliest_eligible_contract_start_date
-        # FIXME RL - waiting on policy to get back to us for what this should
-        # be
-      end
     end
   end
 end

app/models/policies/international_relocation_payments/policy_eligibility_checker.rb

@@ -35,13 +35,25 @@ def ineligible_reason
           "taught subject not accepted"
         in visa_type: "Other"
           "visa not accepted"
+        in start_date: Date unless contract_start_date_eligible?
+          "contract start date must be after #{earliest_eligible_contract_start_date}"
         in date_of_entry: Date, start_date: Date unless date_of_entry_eligible?
           "cannot enter the UK more than 3 months before your contract start date"
         else
           nil
         end
       end
 
+      def contract_start_date_eligible?
+        return false unless answers.start_date
+
+        answers.start_date >= earliest_eligible_contract_start_date
+      end
+
+      def earliest_eligible_contract_start_date
+        Eligibility.earliest_eligible_contract_start_date
+      end
+
       def date_of_entry_eligible?
         return false unless answers.date_of_entry && answers.start_date
 

spec/features/get_a_teacher_relocation_payment/ineligible_route_completing_the_form_spec.rb

@@ -8,7 +8,8 @@
   end
 
   let(:contract_start_date) do
-    Polices::InternationalRelocationPayments.earliest_eligible_contract_start_date
+    Policies::InternationalRelocationPayments::Eligibility
+      .earliest_eligible_contract_start_date
   end
 
   before do
@@ -59,8 +60,6 @@
       end
     end
 
-    # FIXME RL waiting on feedback from policy team to determine what the cut
-    # off date is for contracts
     context "ineligible - contract start date" do
       it "shows the ineligible page" do
         when_i_start_the_form
@@ -70,7 +69,8 @@
         and_i_complete_the_state_funded_secondary_school_step_with(option: "Yes")
         and_i_complete_the_contract_details_step_with(option: "Yes")
         and_i_complete_the_contract_start_date_step_with(
-          date: Polices::InternationalRelocationPayments.earliest_eligible_contract_start_date - 1.day
+          date: Policies::InternationalRelocationPayments::Eligibility
+          .earliest_eligible_contract_start_date - 1.day
         )
         then_i_see_the_ineligible_page
       end

spec/features/get_a_teacher_relocation_payment/teacher_route_completing_the_form_spec.rb

@@ -8,7 +8,8 @@
   end
 
   let(:contract_start_date) do
-    Polices::InternationalRelocationPayments.earliest_eligible_contract_start_date
+    Policies::InternationalRelocationPayments::Eligibility
+      .earliest_eligible_contract_start_date
   end
 
   let(:entry_date) do

spec/models/academic_year_spec.rb

@@ -186,4 +186,10 @@
       expect(AcademicYear.new(2014).hash).not_to eql 2014.hash
     end
   end
+
+  describe "#start_of_autumn_term" do
+    it "returns September 1st of the start year" do
+      expect(AcademicYear.new(2014).start_of_autumn_term).to eq Date.new(2014, 9, 1)
+    end
+  end
 end

spec/models/policies/international_relocation_payments/policy_eligibility_checker_spec.rb

@@ -1,10 +1,14 @@
 require "rails_helper"
 
 describe Policies::InternationalRelocationPayments::PolicyEligibilityChecker do
+  before do
+    create(:journey_configuration, :get_a_teacher_relocation_payment)
+  end
+
   let(:answers) do
     build(
       :get_a_teacher_relocation_payment_answers,
-      application_route: application_route
+      attributes: attributes
     )
   end
 
@@ -14,19 +18,31 @@
     subject { checker.status }
 
     context "when the application route is 'other'" do
-      let(:application_route) { "other" }
+      let(:attributes) do
+        {
+          application_route: "other"
+        }
+      end
 
       it { is_expected.to eq(:ineligible) }
     end
 
     context "when the application route is 'teacher'" do
-      let(:application_route) { "teacher" }
+      let(:attributes) do
+        {
+          application_route: "teacher"
+        }
+      end
 
       it { is_expected.to eq(:eligible_now) }
     end
 
     context "when the application route is 'salaried_trainee'" do
-      let(:application_route) { "salaried_trainee" }
+      let(:attributes) do
+        {
+          application_route: "salaried_trainee"
+        }
+      end
 
       it { is_expected.to eq(:ineligible) }
     end
@@ -36,21 +52,130 @@
     subject { checker.ineligible? }
 
     context "when the application route is 'other'" do
-      let(:application_route) { "other" }
+      let(:attributes) do
+        {
+          application_route: "other"
+        }
+      end
 
       it { is_expected.to eq(true) }
     end
 
     context "when the application route is 'teacher'" do
-      let(:application_route) { "teacher" }
+      let(:attributes) do
+        {
+          application_route: "teacher"
+        }
+      end
 
       it { is_expected.to eq(false) }
     end
 
     context "when the application route is 'salaried_trainee'" do
-      let(:application_route) { "salaried_trainee" }
+      let(:attributes) do
+        {
+          application_route: "salaried_trainee"
+        }
+      end
+
+      it { is_expected.to eq(true) }
+    end
+
+    context "with a non state funded secondary school" do
+      let(:attributes) do
+        {
+          application_route: "teacher",
+          state_funded_secondary_school: false
+        }
+      end
+
+      it { is_expected.to eq(true) }
+    end
+
+    context "with a contract duration of less than one year" do
+      let(:attributes) do
+        {
+          application_route: "teacher",
+          state_funded_secondary_school: true,
+          one_year: false
+        }
+      end
+
+      it { is_expected.to eq(true) }
+    end
+
+    context "with a taught subject of 'other'" do
+      let(:attributes) do
+        {
+          application_route: "teacher",
+          state_funded_secondary_school: true,
+          one_year: true,
+          subject: "other"
+        }
+      end
+
+      it { is_expected.to eq(true) }
+    end
+
+    context "with a visa type of 'Other'" do
+      let(:attributes) do
+        {
+          application_route: "teacher",
+          state_funded_secondary_school: true,
+          one_year: true,
+          subject: "physics",
+          visa_type: "Other"
+        }
+      end
+
+      it { is_expected.to eq(true) }
+    end
+
+    context "with a contract start date before the earliest eligible date" do
+      let(:attributes) do
+        {
+          application_route: "teacher",
+          state_funded_secondary_school: true,
+          one_year: true,
+          subject: "physics",
+          visa_type: "British National (Overseas) visa",
+          start_date: Policies::InternationalRelocationPayments::Eligibility.earliest_eligible_contract_start_date - 1.day
+        }
+      end
 
       it { is_expected.to eq(true) }
     end
+
+    context "with an entry date more than 3 months before the contract start date" do
+      let(:attributes) do
+        {
+          application_route: "teacher",
+          state_funded_secondary_school: true,
+          one_year: true,
+          subject: "physics",
+          visa_type: "British National (Overseas) visa",
+          start_date: Policies::InternationalRelocationPayments::Eligibility.earliest_eligible_contract_start_date,
+          date_of_entry: Policies::InternationalRelocationPayments::Eligibility.earliest_eligible_contract_start_date - 4.months
+        }
+      end
+
+      it { is_expected.to eq(true) }
+    end
+
+    context "with an eligible application" do
+      let(:attributes) do
+        {
+          application_route: "teacher",
+          state_funded_secondary_school: true,
+          one_year: true,
+          subject: "physics",
+          visa_type: "British National (Overseas) visa",
+          start_date: Policies::InternationalRelocationPayments::Eligibility.earliest_eligible_contract_start_date,
+          date_of_entry: Policies::InternationalRelocationPayments::Eligibility.earliest_eligible_contract_start_date - 1.week
+        }
+      end
+
+      it { is_expected.to eq(false) }
+    end
   end
 end