Add postcode page and questions

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

@@ -0,0 +1,13 @@
+class Form::Sales::Pages::Postcode < ::Form::Page
+  def initialize(id, hsh, subsection)
+    super
+    @id = "property_postcode"
+  end
+
+  def questions
+    @questions ||= [
+      Form::Sales::Questions::PostcodeKnown.new(nil, nil, self),
+      Form::Sales::Questions::Postcode.new(nil, nil, self),
+    ]
+  end
+end

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

@@ -0,0 +1,21 @@
+class Form::Sales::Questions::Postcode < ::Form::Question
+  def initialize(id, hsh, page)
+    super
+    @id = "postcode_full"
+    @check_answer_label = "Property’s postcode"
+    @header = "Postcode"
+    @type = "text"
+    @width = 5
+    @inferred_check_answers_value = {
+      "condition" => {
+        "pcodenk" => 1,
+      },
+      "value" => "Not known",
+    }
+    @inferred_answers = {
+      "la" => {
+        "is_la_inferred" => true,
+      },
+    }
+  end
+end

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

@@ -0,0 +1,18 @@
+class Form::Sales::Questions::PostcodeKnown < ::Form::Question
+  def initialize(id, hsh, page)
+    super
+    @id = "pcodenk"
+    @check_answer_label = "Property’s postcode"
+    @header = "Do you know the property’s postcode?"
+    @type = "radio"
+    @answer_options = ANSWER_OPTIONS
+    @conditional_for = {
+      "postcode_full" => [0],
+    }
+  end
+
+  ANSWER_OPTIONS = {
+    "0" => { "value" => "Yes" },
+    "1" => { "value" => "No" },
+  }.freeze
+end

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

@@ -0,0 +1,33 @@
+require "rails_helper"
+
+RSpec.describe Form::Sales::Pages::Postcode, 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[pcodenk postcode_full])
+  end
+
+  it "has the correct id" do
+    expect(page.id).to eq("property_postcode")
+  end
+
+  it "has the correct header" do
+    expect(page.header).to be_nil
+  end
+
+  it "has the correct description" do
+    expect(page.description).to be_nil
+  end
+
+  it "has correct depends_on" do
+    expect(page.depends_on).to be_nil
+  end
+end

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

@@ -0,0 +1,50 @@
+require "rails_helper"
+
+RSpec.describe Form::Sales::Questions::PostcodeKnown, 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("pcodenk")
+  end
+
+  it "has the correct header" do
+    expect(question.header).to eq("Do you know the property’s postcode?")
+  end
+
+  it "has the correct check_answer_label" do
+    expect(question.check_answer_label).to eq("Property’s postcode")
+  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 answer_options" do
+    expect(question.answer_options).to eq({
+      "0" => { "value" => "Yes" },
+      "1" => { "value" => "No" },
+    })
+  end
+
+  it "has correct conditional for" do
+    expect(question.conditional_for).to eq({
+      "postcode_full" => [0],
+    })
+  end
+
+  it "has the correct hint" do
+    expect(question.hint_text).to be_nil
+  end
+end

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

@@ -0,0 +1,58 @@
+require "rails_helper"
+
+RSpec.describe Form::Sales::Questions::Postcode, 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("postcode_full")
+  end
+
+  it "has the correct header" do
+    expect(question.header).to eq("Postcode")
+  end
+
+  it "has the correct check_answer_label" do
+    expect(question.check_answer_label).to eq("Property’s postcode")
+  end
+
+  it "has the correct type" do
+    expect(question.type).to eq("text")
+  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 be_nil
+  end
+
+  it "has the correct width" do
+    expect(question.width).to eq(5)
+  end
+
+  it "has the correct inferred_answers" do
+    expect(question.inferred_answers).to eq({
+      "la" => {
+        "is_la_inferred" => true,
+      },
+    })
+  end
+
+  it "has the correct inferred_check_answers_value" do
+    expect(question.inferred_check_answers_value).to eq({
+      "condition" => {
+        "pcodenk" => 1,
+      },
+      "value" => "Not known",
+    })
+  end
+end