From 296c8f8aace3180b04027c7281799893d4671d65 Mon Sep 17 00:00:00 2001
From: Kat <katrina@kosiak.co.uk>
Date: Thu, 22 Feb 2024 15:21:57 +0000
Subject: [PATCH] Update sales validations

---
 app/models/form/sales/questions/age2.rb       |   2 +-
 .../validations/household_validations.rb      |  14 +-
 .../sales/household_validations.rb            |  57 ++-
 app/views/layouts/application.html.erb        |   4 +
 config/locales/en.yml                         |  15 +-
 .../sales/household_validations_spec.rb       | 438 ++++++++++++++----
 6 files changed, 406 insertions(+), 124 deletions(-)

diff --git a/app/models/form/sales/questions/age2.rb b/app/models/form/sales/questions/age2.rb
index 622cbcbb3..82deecbed 100644
--- a/app/models/form/sales/questions/age2.rb
+++ b/app/models/form/sales/questions/age2.rb
@@ -12,7 +12,7 @@ class Form::Sales::Questions::Age2 < ::Form::Question
     }]
     @check_answers_card_number = 2
     @max = 110
-    @min = 0
+    @min = 16
     @step = 1
     @question_number = QUESTION_NUMBER_FROM_YEAR[form.start_date.year] || QUESTION_NUMBER_FROM_YEAR[QUESTION_NUMBER_FROM_YEAR.keys.max]
   end
diff --git a/app/models/validations/household_validations.rb b/app/models/validations/household_validations.rb
index ec27e8414..4883d7102 100644
--- a/app/models/validations/household_validations.rb
+++ b/app/models/validations/household_validations.rb
@@ -100,7 +100,7 @@ module Validations::HouseholdValidations
 
       if record.form.start_year_after_2024? && (age > 19 && tenant_is_child?(relationship))
         record.errors.add "relat#{person_num}", I18n.t("validations.household.relat.child_over_19", person_num:)
-        record.errors.add "age#{person_num}", I18n.t("validations.household.age.child_over_19_relat", person_num:)
+        record.errors.add "age#{person_num}", I18n.t("validations.household.age.child_over_19_relat", person_num:, person: "lead tenant")
       end
     end
   end
@@ -119,7 +119,7 @@ module Validations::HouseholdValidations
 
       if age_between_16_19 && !(student || economic_status_refused) && child
         if record.form.start_year_after_2024?
-          record.errors.add "ecstat#{person_num}", I18n.t("validations.household.ecstat.student_16_19.must_be_student_2024", person_num:)
+          record.errors.add "ecstat#{person_num}", I18n.t("validations.household.ecstat.student_16_19.must_be_student_2024", person_num:, person: "lead tenant")
         else
           record.errors.add "age#{person_num}", I18n.t("validations.household.age.student_16_19.cannot_be_16_19.child_not_student")
           record.errors.add "ecstat#{person_num}", I18n.t("validations.household.ecstat.student_16_19.must_be_student") # 1
@@ -129,7 +129,7 @@ module Validations::HouseholdValidations
 
       if !age_between_16_19 && student && child
         if record.form.start_year_after_2024?
-          record.errors.add "age#{person_num}", I18n.t("validations.household.age.student_16_19.must_be_16_19_2024", person_num:)
+          record.errors.add "age#{person_num}", I18n.t("validations.household.age.student_16_19.must_be_16_19_2024", person_num:, person: "lead tenant")
         else
           record.errors.add "age#{person_num}", I18n.t("validations.household.age.student_16_19.must_be_16_19") # 2
           record.errors.add "ecstat#{person_num}", I18n.t("validations.household.ecstat.student_16_19.cannot_be_student.child_not_16_19")
@@ -138,7 +138,7 @@ module Validations::HouseholdValidations
       end
 
       if student && age_between_16_19 && !child && record.form.start_year_after_2024?
-        record.errors.add "relat#{person_num}", I18n.t("validations.household.relat.student_16_19.must_be_child_2024", person_num:)
+        record.errors.add "relat#{person_num}", I18n.t("validations.household.relat.student_16_19.must_be_child_2024", person_num:, person: "lead tenant")
       end
     end
   end
@@ -153,9 +153,9 @@ module Validations::HouseholdValidations
 
       next unless age > record.age1 - 12 && tenant_is_child?(relationship)
 
-      record.errors.add "age1", I18n.t("validations.household.age.age1_child_12_years_younger_2024", person_num:)
-      record.errors.add "age#{person_num}", I18n.t("validations.household.age.child_12_years_younger_2024", person_num:)
-      record.errors.add "relat#{person_num}", I18n.t("validations.household.relat.child_12_years_younger_2024", person_num:)
+      record.errors.add "age1", I18n.t("validations.household.age.age1_child_12_years_younger_2024", person_num:, person: "lead tenant")
+      record.errors.add "age#{person_num}", I18n.t("validations.household.age.child_12_years_younger_2024", person_num:, person: "lead tenant")
+      record.errors.add "relat#{person_num}", I18n.t("validations.household.relat.child_12_years_younger_2024", person_num:, person: "lead tenant")
     end
   end
 
diff --git a/app/models/validations/sales/household_validations.rb b/app/models/validations/sales/household_validations.rb
index 061c0d8b2..2dbd42087 100644
--- a/app/models/validations/sales/household_validations.rb
+++ b/app/models/validations/sales/household_validations.rb
@@ -35,8 +35,13 @@ module Validations::Sales::HouseholdValidations
         record.errors.add "age#{person_num}", I18n.t("validations.household.age.child_under_16_relat_sales", person_num:)
         record.errors.add "relat#{person_num}", I18n.t("validations.household.relat.child_under_16_sales", person_num:)
       elsif age >= 20 && person_is_child?(relationship)
-        record.errors.add "age#{person_num}", I18n.t("validations.household.age.child_over_20")
-        record.errors.add "relat#{person_num}", I18n.t("validations.household.relat.child_over_20")
+        if record.form.start_year_after_2024?
+          record.errors.add "relat#{person_num}", I18n.t("validations.household.relat.child_over_19", person_num:)
+          record.errors.add "age#{person_num}", I18n.t("validations.household.age.child_over_19_relat", person_num:, person: "buyer")
+        else
+          record.errors.add "age#{person_num}", I18n.t("validations.household.age.child_over_20")
+          record.errors.add "relat#{person_num}", I18n.t("validations.household.relat.child_over_20")
+        end
       end
     end
   end
@@ -54,20 +59,34 @@ module Validations::Sales::HouseholdValidations
       child = person_is_child?(relationship)
 
       if age_between_16_19 && !(student || economic_status_refused) && child
-        record.errors.add "age#{person_num}", I18n.t("validations.household.age.student_16_19.cannot_be_16_19.child_not_student")
-        record.errors.add "ecstat#{person_num}", I18n.t("validations.household.ecstat.student_16_19.must_be_student")
-        record.errors.add "relat#{person_num}", I18n.t("validations.household.relat.student_16_19.cannot_be_child.16_19_not_student")
+        if record.form.start_year_after_2024?
+          record.errors.add "ecstat#{person_num}", I18n.t("validations.household.ecstat.student_16_19.must_be_student_2024", person_num:, person: "buyer")
+        else
+          record.errors.add "age#{person_num}", I18n.t("validations.household.age.student_16_19.cannot_be_16_19.child_not_student")
+          record.errors.add "ecstat#{person_num}", I18n.t("validations.household.ecstat.student_16_19.must_be_student")
+          record.errors.add "relat#{person_num}", I18n.t("validations.household.relat.student_16_19.cannot_be_child.16_19_not_student")
+        end
       end
 
-      next unless !age_between_16_19 && student && child
+      if !age_between_16_19 && student && child
+        if record.form.start_year_after_2024?
+          record.errors.add "age#{person_num}", I18n.t("validations.household.age.student_16_19.must_be_16_19_2024", person_num:, person: "buyer")
+        else
+          record.errors.add "age#{person_num}", I18n.t("validations.household.age.student_16_19.must_be_16_19")
+          record.errors.add "ecstat#{person_num}", I18n.t("validations.household.ecstat.student_16_19.cannot_be_student.child_not_16_19")
+          record.errors.add "relat#{person_num}", I18n.t("validations.household.relat.student_16_19.cannot_be_child.student_not_16_19")
+        end
+      end
 
-      record.errors.add "age#{person_num}", I18n.t("validations.household.age.student_16_19.must_be_16_19")
-      record.errors.add "ecstat#{person_num}", I18n.t("validations.household.ecstat.student_16_19.cannot_be_student.child_not_16_19")
-      record.errors.add "relat#{person_num}", I18n.t("validations.household.relat.student_16_19.cannot_be_child.student_not_16_19")
+      if student && age_between_16_19 && !child && record.form.start_year_after_2024?
+        record.errors.add "relat#{person_num}", I18n.t("validations.household.relat.student_16_19.must_be_child_2024", person_num:, person: "buyer")
+      end
     end
   end
 
   def validate_person_age_matches_economic_status(record)
+    return if record.form.start_year_after_2024?
+
     (2..6).each do |person_num|
       age = record.public_send("age#{person_num}")
       economic_status = record.public_send("ecstat#{person_num}")
@@ -93,9 +112,23 @@ module Validations::Sales::HouseholdValidations
 
       next unless person_age > buyer_1_age - 12 && person_is_child?(relationship)
 
-      record.errors.add "age1", I18n.t("validations.household.age.child_12_years_younger")
-      record.errors.add "age#{person_num}", I18n.t("validations.household.age.child_12_years_younger")
-      record.errors.add "relat#{person_num}", I18n.t("validations.household.age.child_12_years_younger")
+      if record.form.start_year_after_2024?
+        record.errors.add "age1", I18n.t("validations.household.age.age1_child_12_years_younger_2024", person_num:, person: "buyer")
+        record.errors.add "age#{person_num}", I18n.t("validations.household.age.child_12_years_younger_2024", person_num:, person: "buyer")
+        record.errors.add "relat#{person_num}", I18n.t("validations.household.relat.child_12_years_younger_2024", person_num:, person: "buyer")
+      else
+        record.errors.add "age1", I18n.t("validations.household.age.child_12_years_younger")
+        record.errors.add "age#{person_num}", I18n.t("validations.household.age.child_12_years_younger")
+        record.errors.add "relat#{person_num}", I18n.t("validations.household.age.child_12_years_younger")
+      end
+    end
+  end
+
+  def validate_buyer_2_not_child(record)
+    return unless record.form.start_year_after_2024?
+
+    if record.joint_purchase? && person_is_child?(record.relat2)
+      record.errors.add "relat2", I18n.t("validations.household.relat.buyer_is_a_child")
     end
   end
 
diff --git a/app/views/layouts/application.html.erb b/app/views/layouts/application.html.erb
index c33dedfd9..1ed5014c3 100644
--- a/app/views/layouts/application.html.erb
+++ b/app/views/layouts/application.html.erb
@@ -7,6 +7,10 @@
     <%= tag.meta name: "viewport", content: "width=device-width, initial-scale=1" %>
     <%= tag.meta property: "og:image", content: asset_path("images/govuk-opengraph-image.png") %>
     <%= tag.meta name: "theme-color", content: "#0b0c0c" %>
+    <%= favicon_link_tag asset_path("images/favicon.ico"), type: nil, sizes: "48x48" %>
+    <%= favicon_link_tag asset_path("images/favicon.svg"), type: "image/svg+xml", sizes: "any" %>
+    <%= favicon_link_tag asset_path("images/govuk-icon-mask.svg"), rel: "mask-icon", color: "#0b0c0c", type: nil %>
+    <%= favicon_link_tag asset_path("images/govuk-icon-180.png"), rel: "apple-touch-icon", type: nil %>
     <%= stylesheet_link_tag "application" %>
     <%= javascript_include_tag "vendor/html5shiv.min.js" %>
     <script>
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 9dda62560..bae15f775 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -463,17 +463,17 @@ en:
         child_over_16: "Answer cannot be over 16 as person’s %{person_num} working situation is ‘child under 16‘"
         child_over_20: "Answer cannot be 20 or over as the relationship is ‘child’"
         child_12_years_younger: "A child must be at least 12 years younger than their parent"
-        child_12_years_younger_2024: "Age must be at least 12 years younger than the lead tenant as person %{person_num}'s relationship to lead tenant is child."
-        age1_child_12_years_younger_2024: "Age must be at least 12 years older than person %{person_num}'s age as person %{person_num}'s relationship to lead tenant is child."
+        child_12_years_younger_2024: "Age must be at least 12 years younger than the %{person} as person %{person_num}'s relationship to %{person} is child."
+        age1_child_12_years_younger_2024: "Age must be at least 12 years older than person %{person_num}'s age as person %{person_num}'s relationship to %{person} is child."
         not_student_16_19: "Answer cannot be between 16 and 19 as person %{person_num} is a child of the lead tenant but is not a full-time student"
         student_16_19:
           cannot_be_16_19:
             child_not_student: "Person cannot be aged 16-19 if they have relationship ‘child’ but are not a student"
           must_be_16_19: "Person must be aged 16-19 if they are a student and have relationship ‘child’"
-          must_be_16_19_2024: "Person %{person_num}'s age must be 16-19 as their working situation is student and their relationship to the lead tenant is child"
+          must_be_16_19_2024: "Person %{person_num}'s age must be 16-19 as their working situation is student and their relationship to the %{person} is child"
         lead:
           over_25: "The lead tenant must be under 26 as you told us their housing situation immediately before this letting was a children’s home or foster care"
-        child_over_19_relat: "Age must be 19 or under as you told us person 2's relationship to the lead tenant is child"
+        child_over_19_relat: "Age must be 19 or under as you told us person 2's relationship to the %{person} is child"
       ecstat:
         retired_over_70: "Person %{person_num} must be retired if over 70"
         child_under_16: "Person %{person_num}’s working situation must be ‘child under 16’, ‘other’ or ‘prefers not to say’ as you told us they’re under 16"
@@ -483,7 +483,7 @@ en:
           cannot_be_student:
             child_not_16_19: "Person cannot be a student if they are not aged 16-19 but have relationship ‘child’"
           must_be_student: "Person must be a student if they are aged 16-19 and have relationship ‘child’"
-          must_be_student_2024: "Person %{person_num}'s working situation must be student or prefers not to say, as their age is 16-19 and their relationship to the lead tenant is child"
+          must_be_student_2024: "Person %{person_num}'s working situation must be student or prefers not to say, as their age is 16-19 and their relationship to the %{person} is child"
         retired_male: "Answer cannot be ‘retired’ as the male tenant is under 65"
         retired_female: "Answer cannot be ‘retired’ as the female tenant is under 60"
       relat:
@@ -496,9 +496,10 @@ en:
           cannot_be_child:
             student_not_16_19: "Answer cannot be ‘child’ if the person is a student but not aged 16-19"
             16_19_not_student:  "Answer cannot be ‘child’ if the person is aged 16-19 but not a student"
-          must_be_child_2024: "Person %{person_num}'s relationship to the lead tenant must be child as their working situation is student and their age is 16-19"
+          must_be_child_2024: "Person %{person_num}'s relationship to the %{person} must be child as their working situation is student and their age is 16-19"
         child_over_19: "Answer cannot be child as you told us person %{person_num} is over 19"
-        child_12_years_younger_2024: "Relationship cannot be child, as person %{person_num} is less than 12 years younger than the lead tenant"
+        child_12_years_younger_2024: "Relationship cannot be child, as person %{person_num} is less than 12 years younger than the %{person}"
+        buyer_is_a_child: "Relationship cannot be child, as this person is a buyer"
       housingneeds_a:
         one_or_two_choices: "You can only select one option or ‘other disabled access needs’ plus ‘wheelchair-accessible housing’, ‘wheelchair access to essential rooms’ or ‘level access housing’"
       housingneeds_type:
diff --git a/spec/models/validations/sales/household_validations_spec.rb b/spec/models/validations/sales/household_validations_spec.rb
index 10cae10f4..98085d49b 100644
--- a/spec/models/validations/sales/household_validations_spec.rb
+++ b/spec/models/validations/sales/household_validations_spec.rb
@@ -4,7 +4,8 @@ RSpec.describe Validations::Sales::HouseholdValidations do
   subject(:household_validator) { validator_class.new }
 
   let(:validator_class) { Class.new { include Validations::Sales::HouseholdValidations } }
-  let(:record) { build(:sales_log) }
+  let(:record) { build(:sales_log, saledate: log_date) }
+  let(:log_date) { Time.zone.local(2023, 4, 1) }
 
   describe "#validate_partner_count" do
     it "validates that only 1 partner exists" do
@@ -27,137 +28,380 @@ RSpec.describe Validations::Sales::HouseholdValidations do
   end
 
   describe "#validate_person_age_matches_relationship" do
-    context "when the household contains a person under 16" do
-      it "expects that person is a child of the tenant" do
-        record.age2 = 14
+    before do
+      Timecop.freeze(log_date)
+      Singleton.__init__(FormHandler)
+    end
+
+    after do
+      Timecop.return
+      Singleton.__init__(FormHandler)
+    end
+
+    context "with 2023 logs" do
+      let(:log_date) { Time.zone.local(2023, 4, 1) }
+
+      context "when the household contains a person under 16" do
+        it "expects that person is a child of the tenant" do
+          record.age2 = 14
+          record.relat2 = "C"
+          household_validator.validate_person_age_matches_relationship(record)
+          expect(record.errors["relat2"]).to be_empty
+          expect(record.errors["age2"]).to be_empty
+        end
+
+        it "validates that a person under 16 must not be a partner of the buyer" do
+          record.age2 = 14
+          record.relat2 = "P"
+          household_validator.validate_person_age_matches_relationship(record)
+          expect(record.errors["relat2"])
+            .to include(match I18n.t("validations.household.relat.child_under_16_sales", person_num: 2))
+          expect(record.errors["age2"])
+            .to include(match I18n.t("validations.household.age.child_under_16_relat_sales", person_num: 2))
+        end
+      end
+
+      it "validates that a person over 20 must not be a child of the buyer" do
+        record.age2 = 21
         record.relat2 = "C"
         household_validator.validate_person_age_matches_relationship(record)
-        expect(record.errors["relat2"]).to be_empty
-        expect(record.errors["age2"]).to be_empty
+        expect(record.errors["relat2"])
+          .to include(match I18n.t("validations.household.relat.child_over_20"))
+        expect(record.errors["age2"])
+          .to include(match I18n.t("validations.household.age.child_over_20"))
       end
+    end
+
+    context "with 2024 logs" do
+      let(:log_date) { Time.zone.local(2024, 4, 1) }
 
-      it "validates that a person under 16 must not be a partner of the buyer" do
+      it "validates person under 16 is not partner" do
         record.age2 = 14
         record.relat2 = "P"
         household_validator.validate_person_age_matches_relationship(record)
         expect(record.errors["relat2"])
-          .to include(match I18n.t("validations.household.relat.child_under_16_sales", person_num: 2))
+          .to include("Answer cannot be ‘partner’ as you told us person 2's age is under 16")
         expect(record.errors["age2"])
-          .to include(match I18n.t("validations.household.age.child_under_16_relat_sales", person_num: 2))
+          .not_to include("Age cannot be under 16 as you told us person 2's relationship to the buyer is partner.")
       end
-    end
 
-    it "validates that a person over 20 must not be a child of the buyer" do
-      record.age2 = 21
-      record.relat2 = "C"
-      household_validator.validate_person_age_matches_relationship(record)
-      expect(record.errors["relat2"])
-        .to include(match I18n.t("validations.household.relat.child_over_20"))
-      expect(record.errors["age2"])
-        .to include(match I18n.t("validations.household.age.child_over_20"))
+      it "validates person over 19 is not child" do
+        record.age2 = 20
+        record.relat2 = "C"
+        household_validator.validate_person_age_matches_relationship(record)
+        expect(record.errors["age2"])
+          .to include("Age must be 19 or under as you told us person 2's relationship to the buyer is child")
+        expect(record.errors["relat2"])
+          .not_to include("Answer cannot be child, as you told us person 2 is over 19")
+      end
     end
   end
 
   describe "#validate_person_age_matches_economic_status" do
-    it "validates that person's economic status must be Child" do
-      record.age2 = 14
-      record.ecstat2 = 1
-      household_validator.validate_person_age_matches_economic_status(record)
-      expect(record.errors["ecstat2"])
-        .to include(match I18n.t("validations.household.ecstat.child_under_16", person_num: 2))
-      expect(record.errors["age2"])
-        .to include(match I18n.t("validations.household.age.child_under_16_ecstat", person_num: 2))
+    before do
+      Timecop.freeze(log_date)
+      Singleton.__init__(FormHandler)
+    end
+
+    after do
+      Timecop.return
+      Singleton.__init__(FormHandler)
     end
 
-    it "expects that person's economic status is Child" do
-      record.age2 = 14
-      record.ecstat2 = 9
-      household_validator.validate_person_age_matches_economic_status(record)
-      expect(record.errors["ecstat2"]).to be_empty
-      expect(record.errors["age2"]).to be_empty
+    context "with 2023 logs" do
+      let(:log_date) { Time.zone.local(2023, 4, 1) }
+
+      it "validates that person's economic status must be Child" do
+        record.age2 = 14
+        record.ecstat2 = 1
+        household_validator.validate_person_age_matches_economic_status(record)
+        expect(record.errors["ecstat2"])
+          .to include(match I18n.t("validations.household.ecstat.child_under_16", person_num: 2))
+        expect(record.errors["age2"])
+          .to include(match I18n.t("validations.household.age.child_under_16_ecstat", person_num: 2))
+      end
+
+      it "expects that person's economic status is Child" do
+        record.age2 = 14
+        record.ecstat2 = 9
+        household_validator.validate_person_age_matches_economic_status(record)
+        expect(record.errors["ecstat2"]).to be_empty
+        expect(record.errors["age2"]).to be_empty
+      end
+
+      it "validates that a person with economic status 'child' must be under 16" do
+        record.age2 = 21
+        record.ecstat2 = 9
+        household_validator.validate_person_age_matches_economic_status(record)
+        expect(record.errors["ecstat2"])
+          .to include(match I18n.t("validations.household.ecstat.child_over_16", person_num: 2))
+        expect(record.errors["age2"])
+          .to include(match I18n.t("validations.household.age.child_over_16", person_num: 2))
+      end
     end
 
-    it "validates that a person with economic status 'child' must be under 16" do
-      record.age2 = 21
-      record.ecstat2 = 9
-      household_validator.validate_person_age_matches_economic_status(record)
-      expect(record.errors["ecstat2"])
-        .to include(match I18n.t("validations.household.ecstat.child_over_16", person_num: 2))
-      expect(record.errors["age2"])
-        .to include(match I18n.t("validations.household.age.child_over_16", person_num: 2))
+    context "with 2024 logs" do
+      let(:log_date) { Time.zone.local(2024, 4, 1) }
+
+      it "does not run the validation" do
+        record.age2 = 14
+        record.ecstat2 = 1
+        household_validator.validate_person_age_matches_economic_status(record)
+        expect(record.errors["ecstat2"])
+          .not_to include(match I18n.t("validations.household.ecstat.child_under_16", person_num: 2))
+        expect(record.errors["age2"])
+          .not_to include(match I18n.t("validations.household.age.child_under_16_ecstat", person_num: 2))
+      end
     end
   end
 
   describe "#validate_child_12_years_younger" do
-    it "validates the child is at least 12 years younger than buyer 1" do
-      record.age1 = 30
-      record.age2 = record.age1 - 11
-      record.relat2 = "C"
-      household_validator.validate_child_12_years_younger(record)
-      expect(record.errors["age1"])
-        .to include(match I18n.t("validations.household.age.child_12_years_younger", person_num: 2))
-      expect(record.errors["age2"])
-        .to include(match I18n.t("validations.household.age.child_12_years_younger", person_num: 2))
-      expect(record.errors["relat2"])
-        .to include(match I18n.t("validations.household.age.child_12_years_younger", person_num: 2))
+    before do
+      Timecop.freeze(log_date)
+      Singleton.__init__(FormHandler)
+    end
+
+    after do
+      Timecop.return
+      Singleton.__init__(FormHandler)
+    end
+
+    context "with 2023 logs" do
+      let(:log_date) { Time.zone.local(2023, 4, 1) }
+
+      it "validates the child is at least 12 years younger than buyer 1" do
+        record.age1 = 30
+        record.age2 = record.age1 - 11
+        record.relat2 = "C"
+        household_validator.validate_child_12_years_younger(record)
+        expect(record.errors["age1"])
+          .to include(match I18n.t("validations.household.age.child_12_years_younger", person_num: 2))
+        expect(record.errors["age2"])
+          .to include(match I18n.t("validations.household.age.child_12_years_younger", person_num: 2))
+        expect(record.errors["relat2"])
+          .to include(match I18n.t("validations.household.age.child_12_years_younger", person_num: 2))
+      end
+
+      it "expects the child is at least 12 years younger than buyer 1" do
+        record.age1 = 30
+        record.age2 = record.age1 - 12
+        record.relat2 = "C"
+        household_validator.validate_child_12_years_younger(record)
+        expect(record.errors["age1"]).to be_empty
+        expect(record.errors["age2"]).to be_empty
+        expect(record.errors["relate2"]).to be_empty
+      end
     end
 
-    it "expects the child is at least 12 years younger than buyer 1" do
-      record.age1 = 30
-      record.age2 = record.age1 - 12
-      record.relat2 = "C"
-      household_validator.validate_child_12_years_younger(record)
-      expect(record.errors["age1"]).to be_empty
-      expect(record.errors["age2"]).to be_empty
-      expect(record.errors["relate2"]).to be_empty
+    context "with 2024 logs" do
+      let(:log_date) { Time.zone.local(2024, 4, 1) }
+
+      it "validates that child is at least 12 year younger than buyer" do
+        record.age1 = 20
+        record.age2 = 17
+        record.relat2 = "C"
+        household_validator.validate_child_12_years_younger(record)
+        expect(record.errors["age1"])
+          .to include("Age must be at least 12 years older than person 2's age as person 2's relationship to buyer is child.")
+        expect(record.errors["age2"])
+          .to include("Age must be at least 12 years younger than the buyer as person 2's relationship to buyer is child.")
+        expect(record.errors["relat2"])
+          .to include("Relationship cannot be child, as person 2 is less than 12 years younger than the buyer")
+      end
+
+      it "expects that child is at least 12 years younger than buyer" do
+        record.age1 = 30
+        record.age2 = 17
+        record.relat2 = "C"
+        household_validator.validate_child_12_years_younger(record)
+        expect(record.errors["age2"]).to be_empty
+        expect(record.errors["relat2"]).to be_empty
+      end
     end
   end
 
   describe "#validate_person_age_and_relationship_matches_economic_status" do
-    it "does not add an error for a person aged 16-19 who is a student but not a child of the buyer" do
-      record.age2 = 18
-      record.ecstat2 = "7"
-      record.relat2 = "P"
-      household_validator.validate_person_age_and_relationship_matches_economic_status(record)
-      expect(record.errors["relat2"]).to be_empty
-      expect(record.errors["ecstat2"]).to be_empty
-      expect(record.errors["age2"]).to be_empty
+    before do
+      Timecop.freeze(log_date)
+      Singleton.__init__(FormHandler)
     end
 
-    it "does not add an error for a person not aged 16-19 who is a student but not a child of the buyer" do
-      record.age2 = 20
-      record.ecstat2 = "7"
-      record.relat2 = "P"
-      household_validator.validate_person_age_and_relationship_matches_economic_status(record)
-      expect(record.errors["relat2"]).to be_empty
-      expect(record.errors["ecstat2"]).to be_empty
-      expect(record.errors["age2"]).to be_empty
+    after do
+      Timecop.return
+      Singleton.__init__(FormHandler)
     end
 
-    it "adds errors for a person aged 16-19 who is a child of the buyer but not a student" do
-      record.age2 = 17
-      record.ecstat2 = "1"
-      record.relat2 = "C"
-      household_validator.validate_person_age_and_relationship_matches_economic_status(record)
-      expect(record.errors["relat2"])
-        .to include(match I18n.t("validations.household.relat.student_16_19.cannot_be_child.16_19_not_student"))
-      expect(record.errors["age2"])
-        .to include(match I18n.t("validations.household.age.student_16_19.cannot_be_16_19.child_not_student"))
-      expect(record.errors["ecstat2"])
-        .to include(match I18n.t("validations.household.ecstat.student_16_19.must_be_student"))
+    context "with 2023 logs" do
+      let(:log_date) { Time.zone.local(2023, 4, 1) }
+
+      it "does not add an error for a person aged 16-19 who is a student but not a child of the buyer" do
+        record.age2 = 18
+        record.ecstat2 = "7"
+        record.relat2 = "P"
+        household_validator.validate_person_age_and_relationship_matches_economic_status(record)
+        expect(record.errors["relat2"]).to be_empty
+        expect(record.errors["ecstat2"]).to be_empty
+        expect(record.errors["age2"]).to be_empty
+      end
+
+      it "does not add an error for a person not aged 16-19 who is a student but not a child of the buyer" do
+        record.age2 = 20
+        record.ecstat2 = "7"
+        record.relat2 = "P"
+        household_validator.validate_person_age_and_relationship_matches_economic_status(record)
+        expect(record.errors["relat2"]).to be_empty
+        expect(record.errors["ecstat2"]).to be_empty
+        expect(record.errors["age2"]).to be_empty
+      end
+
+      it "adds errors for a person aged 16-19 who is a child of the buyer but not a student" do
+        record.age2 = 17
+        record.ecstat2 = "1"
+        record.relat2 = "C"
+        household_validator.validate_person_age_and_relationship_matches_economic_status(record)
+        expect(record.errors["relat2"])
+          .to include(match I18n.t("validations.household.relat.student_16_19.cannot_be_child.16_19_not_student"))
+        expect(record.errors["age2"])
+          .to include(match I18n.t("validations.household.age.student_16_19.cannot_be_16_19.child_not_student"))
+        expect(record.errors["ecstat2"])
+          .to include(match I18n.t("validations.household.ecstat.student_16_19.must_be_student"))
+      end
+
+      it "adds errors for a person who is a child of the buyer and a student but not aged 16-19" do
+        record.age2 = 14
+        record.ecstat2 = "7"
+        record.relat2 = "C"
+        household_validator.validate_person_age_and_relationship_matches_economic_status(record)
+        expect(record.errors["relat2"])
+          .to include(match I18n.t("validations.household.relat.student_16_19.cannot_be_child.student_not_16_19"))
+        expect(record.errors["age2"])
+          .to include(match I18n.t("validations.household.age.student_16_19.must_be_16_19"))
+        expect(record.errors["ecstat2"])
+          .to include(match I18n.t("validations.household.ecstat.student_16_19.cannot_be_student.child_not_16_19"))
+      end
     end
 
-    it "adds errors for a person who is a child of the buyer and a student but not aged 16-19" do
-      record.age2 = 14
-      record.ecstat2 = "7"
-      record.relat2 = "C"
-      household_validator.validate_person_age_and_relationship_matches_economic_status(record)
-      expect(record.errors["relat2"])
-        .to include(match I18n.t("validations.household.relat.student_16_19.cannot_be_child.student_not_16_19"))
-      expect(record.errors["age2"])
-        .to include(match I18n.t("validations.household.age.student_16_19.must_be_16_19"))
-      expect(record.errors["ecstat2"])
-        .to include(match I18n.t("validations.household.ecstat.student_16_19.cannot_be_student.child_not_16_19"))
+    context "with 2024 logs" do
+      let(:log_date) { Time.zone.local(2024, 4, 1) }
+
+      it "does not add 2023 errors" do
+        record.age2 = 17
+        record.relat2 = "C"
+        record.ecstat2 = 1
+        household_validator.validate_person_age_and_relationship_matches_economic_status(record)
+        expect(record.errors["ecstat2"])
+          .not_to include(match I18n.t("validations.household.ecstat.student_16_19.must_be_student", person_num: 2))
+        expect(record.errors["age2"])
+          .not_to include(match I18n.t("validations.household.age.student_16_19.cannot_be_16_19.child_not_student", person_num: 2))
+        expect(record.errors["relat2"])
+          .not_to include(match I18n.t("validations.household.relat.student_16_19.cannot_be_child.16_19_not_student", person_num: 2))
+      end
+
+      context "when the household contains a tenant’s child between the ages of 16 and 19" do
+        it "validates that person's economic status must be full time student or refused" do
+          record.age2 = 17
+          record.relat2 = "C"
+          record.ecstat2 = 1
+          household_validator.validate_person_age_and_relationship_matches_economic_status(record)
+          expect(record.errors["ecstat2"])
+            .to include("Person 2's working situation must be student or prefers not to say, as their age is 16-19 and their relationship to the buyer is child")
+          expect(record.errors["age2"])
+            .to be_empty
+          expect(record.errors["relat2"])
+            .to be_empty
+        end
+
+        it "expects that person can be a full time student" do
+          record.age2 = 17
+          record.relat2 = "C"
+          record.ecstat2 = 7
+          household_validator.validate_person_age_and_relationship_matches_economic_status(record)
+          expect(record.errors["ecstat2"]).to be_empty
+          expect(record.errors["age2"]).to be_empty
+          expect(record.errors["relat2"]).to be_empty
+        end
+
+        it "expects that person can refuse to share their work status" do
+          record.age2 = 17
+          record.relat2 = "C"
+          record.ecstat2 = 10
+          household_validator.validate_person_age_and_relationship_matches_economic_status(record)
+          expect(record.errors["ecstat2"]).to be_empty
+          expect(record.errors["age2"]).to be_empty
+          expect(record.errors["relat2"]).to be_empty
+        end
+      end
+
+      it "does not add an error for a person not aged 16-19 who is a student but not a child of the buyer" do
+        record.age2 = 20
+        record.ecstat2 = "7"
+        record.relat2 = "P"
+        household_validator.validate_person_age_and_relationship_matches_economic_status(record)
+        expect(record.errors["relat2"]).to be_empty
+        expect(record.errors["ecstat2"]).to be_empty
+        expect(record.errors["age2"]).to be_empty
+      end
+
+      it "adds errors for a person who is a child of the buyer and a student but not aged 16-19" do
+        record.age2 = 14
+        record.ecstat2 = "7"
+        record.relat2 = "C"
+        household_validator.validate_person_age_and_relationship_matches_economic_status(record)
+        expect(record.errors["relat2"])
+          .to be_empty
+        expect(record.errors["age2"])
+          .to include("Person 2's age must be 16-19 as their working situation is student and their relationship to the buyer is child")
+        expect(record.errors["ecstat2"])
+          .to be_empty
+      end
+
+      it "adds errors for a person who is a student and aged 16-19 but not child" do
+        record.age2 = 17
+        record.ecstat2 = "7"
+        record.relat2 = "X"
+        household_validator.validate_person_age_and_relationship_matches_economic_status(record)
+        expect(record.errors["relat2"])
+          .to include("Person 2's relationship to the buyer must be child as their working situation is student and their age is 16-19")
+        expect(record.errors["age2"])
+          .to be_empty
+        expect(record.errors["ecstat2"])
+          .to be_empty
+      end
+    end
+  end
+
+  describe "#validate_buyer_2_not_child" do
+    before do
+      Timecop.freeze(log_date)
+      Singleton.__init__(FormHandler)
+    end
+
+    after do
+      Timecop.return
+      Singleton.__init__(FormHandler)
+    end
+
+    context "with 2023 logs" do
+      let(:log_date) { Time.zone.local(2023, 4, 1) }
+
+      it "does not add an error if buyer 2 is a child" do
+        record.jointpur = 1
+        record.relat2 = "C"
+        household_validator.validate_buyer_2_not_child(record)
+        expect(record.errors["relat2"]).to be_empty
+      end
+    end
+
+    context "with 2024 logs" do
+      let(:log_date) { Time.zone.local(2024, 4, 1) }
+
+      it "validates buyer 2 isn't a child" do
+        record.jointpur = 1
+        record.relat2 = "C"
+        household_validator.validate_buyer_2_not_child(record)
+        expect(record.errors["relat2"])
+          .to include("Relationship cannot be child, as this person is a buyer")
+      end
     end
   end