CLDC-3344: Sales CSV download ecstat2 child label bug fix (#2801)

* Add missing answer option

* Update tests

* Allow user to change the age of a person if they're not actually under 16 without being blocked

* Update displayed answer options

* Add tests

* Fix lint

* Clear only when age is not known

* Lint

* Use existing method

* Update tests

* Revert changes in derived variables

* Update sales_log_spec.rb

app/models/form/sales/questions/buyer2_working_situation.rb

@@ -15,6 +15,10 @@ class Form::Sales::Questions::Buyer2WorkingSituation < ::Form::Question
     @question_number = QUESTION_NUMBER_FROM_YEAR[form.start_date.year] || QUESTION_NUMBER_FROM_YEAR[QUESTION_NUMBER_FROM_YEAR.keys.max]
   end
 
+  def displayed_answer_options(_log, _user = nil)
+    answer_options.reject { |key, _| key == "9" }
+  end
+
   def answer_options
     if form.start_year_2025_or_later?
       {
@@ -26,6 +30,7 @@ class Form::Sales::Questions::Buyer2WorkingSituation < ::Form::Question
         "6" => { "value" => "Not seeking work" },
         "7" => { "value" => "Full-time student" },
         "8" => { "value" => "Unable to work due to long term sick or disability" },
+        "9" => { "value" => "Child under 16" },
         "0" => { "value" => "Other" },
         "10" => { "value" => "Buyer prefers not to say" },
       }.freeze
@@ -41,6 +46,7 @@ class Form::Sales::Questions::Buyer2WorkingSituation < ::Form::Question
         "0" => { "value" => "Other" },
         "10" => { "value" => "Buyer prefers not to say" },
         "7" => { "value" => "Full-time student" },
+        "9" => { "value" => "Child under 16" },
       }.freeze
     end
   end

spec/models/form/sales/questions/buyer2_working_situation_spec.rb

@@ -36,6 +36,22 @@ RSpec.describe Form::Sales::Questions::Buyer2WorkingSituation, type: :model do
       "0" => { "value" => "Other" },
       "10" => { "value" => "Buyer prefers not to say" },
       "7" => { "value" => "Full-time student" },
+      "9" => { "value" => "Child under 16" },
+    })
+  end
+
+  it "has the correct displayed_answer_options" do
+    expect(question.displayed_answer_options(nil)).to eq({
+      "1" => { "value" => "Full-time - 30 hours or more" },
+      "2" => { "value" => "Part-time - Less than 30 hours" },
+      "3" => { "value" => "In government training into work" },
+      "4" => { "value" => "Jobseeker" },
+      "6" => { "value" => "Not seeking work" },
+      "8" => { "value" => "Unable to work due to long term sick or disability" },
+      "5" => { "value" => "Retired" },
+      "0" => { "value" => "Other" },
+      "10" => { "value" => "Buyer prefers not to say" },
+      "7" => { "value" => "Full-time student" },
     })
   end
 
@@ -43,7 +59,11 @@ RSpec.describe Form::Sales::Questions::Buyer2WorkingSituation, type: :model do
     let(:form) { instance_double(Form, start_date: Time.zone.local(2024, 4, 1), start_year_2025_or_later?: false) }
 
     it "uses the old ordering for answer options" do
-      expect(question.answer_options.keys).to eq(%w[1 2 3 4 6 8 5 0 10 7])
+      expect(question.answer_options.keys).to eq(%w[1 2 3 4 6 8 5 0 10 7 9])
+    end
+
+    it "uses the old ordering for displayed answer options" do
+      expect(question.displayed_answer_options(nil).keys).to eq(%w[1 2 3 4 6 8 5 0 10 7])
     end
   end
 
@@ -51,7 +71,11 @@ RSpec.describe Form::Sales::Questions::Buyer2WorkingSituation, type: :model do
     let(:form) { instance_double(Form, start_date: Time.zone.local(2025, 4, 1), start_year_2025_or_later?: true) }
 
     it "uses the new ordering for answer options" do
-      expect(question.answer_options.keys).to eq(%w[1 2 3 4 5 6 7 8 0 10])
+      expect(question.answer_options.keys).to eq(%w[1 2 3 4 5 6 7 8 9 0 10])
+    end
+
+    it "uses the new ordering for displayed answer options" do
+      expect(question.displayed_answer_options(nil).keys).to eq(%w[1 2 3 4 5 6 7 8 0 10])
     end
   end