CLDC-3138: Update hint text for starter tenancy question for 2024 (#2166)

* CLDC-3138: Update hint text for starter tenancy question for 2024

* Remove blank line

app/models/form/lettings/questions/startertenancy.rb

@@ -6,10 +6,18 @@ class Form::Lettings::Questions::Startertenancy < ::Form::Question
     @header = "Is this a starter tenancy?"
     @type = "radio"
     @check_answers_card_number = 0
-    @hint_text = "This is also known as an ‘introductory period’."
     @answer_options = ANSWER_OPTIONS
     @question_number = 26
   end
 
   ANSWER_OPTIONS = { "1" => { "value" => "Yes" }, "2" => { "value" => "No" } }.freeze
+
+  def hint_text
+    if form.start_year_after_2024?
+      "If the tenancy has an ‘introductory period’ answer ‘yes’.<br><br>
+       You should submit a CORE log at the beginning of the starter tenancy or introductory period, with the best information you have at the time. You do not need to submit a log when a tenant later rolls onto the main tenancy."
+    else
+      "This is also known as an ‘introductory period’."
+    end
+  end
 end

spec/models/form/lettings/questions/startertenancy_spec.rb

@@ -0,0 +1,37 @@
+require "rails_helper"
+
+RSpec.describe Form::Lettings::Questions::Startertenancy, type: :model do
+  subject(:question) { described_class.new(question_id, question_definition, page) }
+
+  let(:question_id) { nil }
+  let(:question_definition) { nil }
+  let(:page) { instance_double(Form::Page) }
+  let(:subsection) { instance_double(Form::Subsection) }
+  let(:form) { instance_double(Form) }
+
+  before do
+    allow(page).to receive(:subsection).and_return(subsection)
+    allow(subsection).to receive(:form).and_return(form)
+  end
+
+  context "with collection year before 2024" do
+    before do
+      allow(form).to receive(:start_year_after_2024?).and_return(false)
+    end
+
+    it "has the correct hint_text" do
+      expect(question.hint_text).to eq("This is also known as an ‘introductory period’.")
+    end
+  end
+
+  context "with collection year >= 2024" do
+    before do
+      allow(form).to receive(:start_year_after_2024?).and_return(true)
+    end
+
+    it "has the correct updated hint_text" do
+      expect(question.hint_text).to eq("If the tenancy has an ‘introductory period’ answer ‘yes’.<br><br>
+       You should submit a CORE log at the beginning of the starter tenancy or introductory period, with the best information you have at the time. You do not need to submit a log when a tenant later rolls onto the main tenancy.")
+    end
+  end
+end