Add reusable age questions and adjust the tests

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

@@ -0,0 +1,15 @@
+class Form::Lettings::Questions::Age < ::Form::Question
+  def initialize(id, hsh, page, person_index:)
+    super(id, hsh, page)
+    @id = "age#{person_index}"
+    @check_answer_label = "Person #{person_index}’s age"
+    @header = "Age"
+    @type = "numeric"
+    @width = 2
+    @inferred_check_answers_value = [{ "condition" => { "age#{person_index}_known" => 1 }, "value" => "Not known" }]
+    @check_answers_card_number = person_index
+    @max = 120
+    @min = 0
+    @step = 1
+  end
+end

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

@@ -0,0 +1,16 @@
+class Form::Lettings::Questions::AgeKnown < ::Form::Question
+  def initialize(id, hsh, page, person_index:)
+    super(id, hsh, page)
+    @id = "age#{person_index}_known"
+    @check_answer_label = ""
+    @header = "Do you know person #{person_index}’s age?"
+    @type = "radio"
+    @check_answers_card_number = person_index
+    @hint_text = ""
+    @answer_options = ANSWER_OPTIONS
+    @conditional_for = { "age#{person_index}" => [0] }
+    @hidden_in_check_answers = { "depends_on" => [{ "age#{person_index}_known" => 0 }, { "age#{person_index}_known" => 1 }] }
+  end
+
+  ANSWER_OPTIONS = { "0" => { "value" => "Yes" }, "1" => { "value" => "No" } }.freeze
+end

spec/models/form/lettings/pages/person3_age_spec.rb

@@ -29,7 +29,7 @@ RSpec.describe Form::Lettings::Pages::Person3Age, type: :model do
 
   it "has correct depends_on" do
     expect(page.depends_on).to eq(
-      [{"details_known_3"=>0}],
+      [{ "details_known_3" => 0 }],
     )
   end
 end

spec/models/form/lettings/pages/person6_age_spec.rb

@@ -29,7 +29,7 @@ RSpec.describe Form::Lettings::Pages::Person6Age, type: :model do
 
   it "has correct depends_on" do
     expect(page.depends_on).to eq(
-      [{"details_known_6"=>0}],
+      [{ "details_known_6" => 0 }],
     )
   end
 end

spec/models/form/lettings/pages/person7_age_spec.rb

@@ -29,7 +29,7 @@ RSpec.describe Form::Lettings::Pages::Person7Age, type: :model do
 
   it "has correct depends_on" do
     expect(page.depends_on).to eq(
-      [{"details_known_7"=>0}],
+      [{ "details_known_7" => 0 }],
     )
   end
 end

spec/models/form/lettings/pages/person8_age_spec.rb

@@ -29,7 +29,7 @@ RSpec.describe Form::Lettings::Pages::Person8Age, type: :model do
 
   it "has correct depends_on" do
     expect(page.depends_on).to eq(
-      [{"details_known_8"=>0}],
+      [{ "details_known_8" => 0 }],
     )
   end
 end

spec/models/form/lettings/questions/age2_known_spec.rb

@@ -1,15 +1,11 @@
 require "rails_helper"
 
-RSpec.describe Form::Lettings::Questions::Age2Known, type: :model do
-  subject(:question) { described_class.new(question_id, question_definition, page) }
+RSpec.describe Form::Lettings::Questions::AgeKnown, type: :model do
+  subject(:question) { described_class.new(nil, question_definition, page, person_index:) }
 
-  let(:question_id) { "age2_known" }
   let(:question_definition) { nil }
   let(:page) { instance_double(Form::Page) }
-
-  before do
-    allow(page).to receive(:id).and_return("age2_known")
-  end
+  let(:person_index) { 2 }
 
   it "has correct page" do
     expect(question.page).to eq(page)

spec/models/form/lettings/questions/age2_spec.rb

@@ -1,11 +1,11 @@
 require "rails_helper"
 
-RSpec.describe Form::Lettings::Questions::Age2, type: :model do
-  subject(:question) { described_class.new(question_id, question_definition, page) }
+RSpec.describe Form::Lettings::Questions::Age, type: :model do
+  subject(:question) { described_class.new(nil, question_definition, page, person_index:) }
 
-  let(:question_id) { "age2" }
   let(:question_definition) { nil }
   let(:page) { instance_double(Form::Page) }
+  let(:person_index) { 2 }
 
   it "has correct page" do
     expect(question.page).to eq(page)

spec/models/form/lettings/questions/age3_known_spec.rb

@@ -1,15 +1,11 @@
 require "rails_helper"
 
-RSpec.describe Form::Lettings::Questions::Age3Known, type: :model do
-  subject(:question) { described_class.new(question_id, question_definition, page) }
+RSpec.describe Form::Lettings::Questions::AgeKnown, type: :model do
+  subject(:question) { described_class.new(nil, question_definition, page, person_index:) }
 
-  let(:question_id) { "age3_known" }
   let(:question_definition) { nil }
   let(:page) { instance_double(Form::Page) }
-
-  before do
-    allow(page).to receive(:id).and_return("age3_known")
-  end
+  let(:person_index) { 3 }
 
   it "has correct page" do
     expect(question.page).to eq(page)

spec/models/form/lettings/questions/age3_spec.rb

@@ -1,11 +1,11 @@
 require "rails_helper"
 
-RSpec.describe Form::Lettings::Questions::Age3, type: :model do
-  subject(:question) { described_class.new(question_id, question_definition, page) }
+RSpec.describe Form::Lettings::Questions::Age, type: :model do
+  subject(:question) { described_class.new(nil, question_definition, page, person_index:) }
 
-  let(:question_id) { "age3" }
   let(:question_definition) { nil }
   let(:page) { instance_double(Form::Page) }
+  let(:person_index) { 3 }
 
   it "has correct page" do
     expect(question.page).to eq(page)

spec/models/form/lettings/questions/age4_known_spec.rb

@@ -1,15 +1,11 @@
 require "rails_helper"
 
-RSpec.describe Form::Lettings::Questions::Age4Known, type: :model do
-  subject(:question) { described_class.new(question_id, question_definition, page) }
+RSpec.describe Form::Lettings::Questions::AgeKnown, type: :model do
+  subject(:question) { described_class.new(nil, question_definition, page, person_index:) }
 
-  let(:question_id) { "age4_known" }
   let(:question_definition) { nil }
   let(:page) { instance_double(Form::Page) }
-
-  before do
-    allow(page).to receive(:id).and_return("age4_known")
-  end
+  let(:person_index) { 4 }
 
   it "has correct page" do
     expect(question.page).to eq(page)

spec/models/form/lettings/questions/age4_spec.rb

@@ -1,11 +1,11 @@
 require "rails_helper"
 
-RSpec.describe Form::Lettings::Questions::Age4, type: :model do
-  subject(:question) { described_class.new(question_id, question_definition, page) }
+RSpec.describe Form::Lettings::Questions::Age, type: :model do
+  subject(:question) { described_class.new(nil, question_definition, page, person_index:) }
 
-  let(:question_id) { "age4" }
   let(:question_definition) { nil }
   let(:page) { instance_double(Form::Page) }
+  let(:person_index) { 4 }
 
   it "has correct page" do
     expect(question.page).to eq(page)

spec/models/form/lettings/questions/age5_known_spec.rb

@@ -1,15 +1,11 @@
 require "rails_helper"
 
-RSpec.describe Form::Lettings::Questions::Age5Known, type: :model do
-  subject(:question) { described_class.new(question_id, question_definition, page) }
+RSpec.describe Form::Lettings::Questions::AgeKnown, type: :model do
+  subject(:question) { described_class.new(nil, question_definition, page, person_index:) }
 
-  let(:question_id) { "age5_known" }
   let(:question_definition) { nil }
   let(:page) { instance_double(Form::Page) }
-
-  before do
-    allow(page).to receive(:id).and_return("age5_known")
-  end
+  let(:person_index) { 5 }
 
   it "has correct page" do
     expect(question.page).to eq(page)

spec/models/form/lettings/questions/age5_spec.rb

@@ -1,11 +1,11 @@
 require "rails_helper"
 
-RSpec.describe Form::Lettings::Questions::Age5, type: :model do
-  subject(:question) { described_class.new(question_id, question_definition, page) }
+RSpec.describe Form::Lettings::Questions::Age, type: :model do
+  subject(:question) { described_class.new(nil, question_definition, page, person_index:) }
 
-  let(:question_id) { "age5" }
   let(:question_definition) { nil }
   let(:page) { instance_double(Form::Page) }
+  let(:person_index) { 5 }
 
   it "has correct page" do
     expect(question.page).to eq(page)

spec/models/form/lettings/questions/age6_known_spec.rb

@@ -1,15 +1,11 @@
 require "rails_helper"
 
-RSpec.describe Form::Lettings::Questions::Age6Known, type: :model do
-  subject(:question) { described_class.new(question_id, question_definition, page) }
+RSpec.describe Form::Lettings::Questions::AgeKnown, type: :model do
+  subject(:question) { described_class.new(nil, question_definition, page, person_index:) }
 
-  let(:question_id) { "age6_known" }
   let(:question_definition) { nil }
   let(:page) { instance_double(Form::Page) }
-
-  before do
-    allow(page).to receive(:id).and_return("age6_known")
-  end
+  let(:person_index) { 6 }
 
   it "has correct page" do
     expect(question.page).to eq(page)

spec/models/form/lettings/questions/age6_spec.rb

@@ -1,11 +1,11 @@
 require "rails_helper"
 
-RSpec.describe Form::Lettings::Questions::Age6, type: :model do
-  subject(:question) { described_class.new(question_id, question_definition, page) }
+RSpec.describe Form::Lettings::Questions::Age, type: :model do
+  subject(:question) { described_class.new(nil, question_definition, page, person_index:) }
 
-  let(:question_id) { "age6" }
   let(:question_definition) { nil }
   let(:page) { instance_double(Form::Page) }
+  let(:person_index) { 6 }
 
   it "has correct page" do
     expect(question.page).to eq(page)

spec/models/form/lettings/questions/age7_known_spec.rb

@@ -1,15 +1,11 @@
 require "rails_helper"
 
-RSpec.describe Form::Lettings::Questions::Age7Known, type: :model do
-  subject(:question) { described_class.new(question_id, question_definition, page) }
+RSpec.describe Form::Lettings::Questions::AgeKnown, type: :model do
+  subject(:question) { described_class.new(nil, question_definition, page, person_index:) }
 
-  let(:question_id) { "age7_known" }
   let(:question_definition) { nil }
   let(:page) { instance_double(Form::Page) }
-
-  before do
-    allow(page).to receive(:id).and_return("age7_known")
-  end
+  let(:person_index) { 7 }
 
   it "has correct page" do
     expect(question.page).to eq(page)

spec/models/form/lettings/questions/age7_spec.rb

@@ -1,11 +1,11 @@
 require "rails_helper"
 
-RSpec.describe Form::Lettings::Questions::Age7, type: :model do
-  subject(:question) { described_class.new(question_id, question_definition, page) }
+RSpec.describe Form::Lettings::Questions::Age, type: :model do
+  subject(:question) { described_class.new(nil, question_definition, page, person_index:) }
 
-  let(:question_id) { "age7" }
   let(:question_definition) { nil }
   let(:page) { instance_double(Form::Page) }
+  let(:person_index) { 7 }
 
   it "has correct page" do
     expect(question.page).to eq(page)

spec/models/form/lettings/questions/age8_known_spec.rb

@@ -1,15 +1,11 @@
 require "rails_helper"
 
-RSpec.describe Form::Lettings::Questions::Age8Known, type: :model do
-  subject(:question) { described_class.new(question_id, question_definition, page) }
+RSpec.describe Form::Lettings::Questions::AgeKnown, type: :model do
+  subject(:question) { described_class.new(nil, question_definition, page, person_index:) }
 
-  let(:question_id) { "age8_known" }
   let(:question_definition) { nil }
   let(:page) { instance_double(Form::Page) }
-
-  before do
-    allow(page).to receive(:id).and_return("age8_known")
-  end
+  let(:person_index) { 8 }
 
   it "has correct page" do
     expect(question.page).to eq(page)

spec/models/form/lettings/questions/age8_spec.rb

@@ -1,11 +1,11 @@
 require "rails_helper"
 
-RSpec.describe Form::Lettings::Questions::Age8, type: :model do
-  subject(:question) { described_class.new(question_id, question_definition, page) }
+RSpec.describe Form::Lettings::Questions::Age, type: :model do
+  subject(:question) { described_class.new(nil, question_definition, page, person_index:) }
 
-  let(:question_id) { "age8" }
   let(:question_definition) { nil }
   let(:page) { instance_double(Form::Page) }
+  let(:person_index) { 8 }
 
   it "has correct page" do
     expect(question.page).to eq(page)