Add housing benefits questions and pages

app/models/form/sales/pages/housing_benefits.rb

@@ -0,0 +1,15 @@
+class Form::Sales::Pages::HousingBenefits < ::Form::Page
+  def initialize(id, hsh, subsection)
+    super
+    @id = "housing_benefits"
+    @header = ""
+    @description = ""
+    @subsection = subsection
+  end
+
+  def questions
+    @questions ||= [
+      Form::Sales::Questions::HousingBenefits.new(nil, nil, self),
+    ]
+  end
+end

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

@@ -0,0 +1,21 @@
+class Form::Sales::Questions::HousingBenefits < ::Form::Question
+  def initialize(id, hsh, page)
+    super
+    @id = "hb"
+    @check_answer_label = "Housing-related benefits buyer received before buying this property"
+    @header = "Was the buyer receiving any of these housing-related benefits immediately before buying this property?"
+    @type = "radio"
+    @page = page
+    @hint_text = ""
+    @answer_options = ANSWER_OPTIONS
+    @check_answers_card_number = 1
+  end
+
+  ANSWER_OPTIONS = {
+    "2" => { "value" => "Housing benefit" },
+    "3" => { "value" => "Universal Credit housing element" },
+    "divider" => { "value" => true },
+    "1" => { "value" => "Neither housing benefit or Universal Credit housing element" },
+    "4" => { "value" => "Don’t know " },
+  }.freeze
+end

spec/models/form/sales/pages/housing_benefits_spec.rb

@@ -0,0 +1,33 @@
+require "rails_helper"
+
+RSpec.describe Form::Sales::Pages::HousingBenefits, type: :model do
+  subject(:page) { described_class.new(page_id, page_definition, subsection) }
+
+  let(:page_id) { nil }
+  let(:page_definition) { nil }
+  let(:subsection) { instance_double(Form::Subsection) }
+
+  it "has correct subsection" do
+    expect(page.subsection).to eq(subsection)
+  end
+
+  it "has correct questions" do
+    expect(page.questions.map(&:id)).to eq(%w[hb])
+  end
+
+  it "has the correct id" do
+    expect(page.id).to eq("housing_benefits")
+  end
+
+  it "has the correct header" do
+    expect(page.header).to eq("")
+  end
+
+  it "has the correct description" do
+    expect(page.description).to eq("")
+  end
+
+  it "has correct depends_on" do
+    expect(page.depends_on).to be_nil
+  end
+end

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

@@ -0,0 +1,51 @@
+require "rails_helper"
+
+RSpec.describe Form::Sales::Questions::HousingBenefits, 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) }
+
+  it "has correct page" do
+    expect(question.page).to eq(page)
+  end
+
+  it "has the correct id" do
+    expect(question.id).to eq("hb")
+  end
+
+  it "has the correct header" do
+    expect(question.header).to eq("Was the buyer receiving any of these housing-related benefits immediately before buying this property?")
+  end
+
+  it "has the correct check_answer_label" do
+    expect(question.check_answer_label).to eq("Housing-related benefits buyer received before buying this property")
+  end
+
+  it "has the correct type" do
+    expect(question.type).to eq("radio")
+  end
+
+  it "is not marked as derived" do
+    expect(question.derived?).to be false
+  end
+
+  it "has the correct hint" do
+    expect(question.hint_text).to eq("")
+  end
+
+  it "has the correct answer_options" do
+    expect(question.answer_options).to eq({
+      "2" => { "value" => "Housing benefit" },
+      "3" => { "value" => "Universal Credit housing element" },
+      "divider" => { "value" => true },
+      "1" => { "value" => "Neither housing benefit or Universal Credit housing element" },
+      "4" => { "value" => "Don’t know " },
+    })
+  end
+
+  it "has the correct check_answers_card_number" do
+    expect(question.check_answers_card_number).to eq(1)
+  end
+end