submit-social-housing-lettings-and-sales-data/spec/models/form/sales/questions/buyer_previous_spec.rb

require "rails_helper"

RSpec.describe Form::Sales::Questions::BuyerPrevious, type: :model do
  subject(:question) { described_class.new(question_id, question_definition, page, joint_purchase:) }

  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, start_date: Time.zone.local(2023, 4, 1)) }
  let(:joint_purchase) { true }

  before do
    allow(page).to receive(:subsection).and_return(subsection)
    allow(subsection).to receive(:form).and_return(form)
  end

  it "has correct page" do
    expect(question.page).to eq(page)
  end

  it "has the correct id" do
    expect(question.id).to eq("soctenant")
  end

  it "has the correct type" do
    expect(question.type).to eq("radio")
  end

  it "has the correct displayed_answer_options" do
    expect(question.displayed_answer_options(nil)).to eq({
      "1" => { "value" => "Yes" },
      "2" => { "value" => "No" },
    })
  end

  it "has the correct answer_options" do
    expect(question.answer_options).to eq({
      "1" => { "value" => "Yes" },
      "2" => { "value" => "No" },
      "0" => { "value" => "Don’t know" },
    })
  end

  it "has correct conditional for" do
    expect(question.conditional_for).to eq(nil)
  end

  context "when form year is before 2024" do
    before do
      allow(form).to receive(:start_year_after_2024?).and_return(false)
    end

    it "is not marked as derived" do
      expect(question.derived?(nil)).to be false
    end
  end

  context "when form year is >= 2024" do
    before do
      allow(form).to receive(:start_year_after_2024?).and_return(true)
    end

    it "is marked as derived" do
      expect(question.derived?(nil)).to be true
    end
  end
end