Add test files

tests/ruby.rb

@@ -0,0 +1,49 @@
+class App < Struct.new(:id, :name, :os, :user_agent, :plans, :serial_options, keyword_init: true)
+  extend ActiveModel::Translation
+
+  class AppNotFound < StandardError; end
+  class PlanNotFound < StandardError; end
+
+  def initialize(*args)
+    super
+
+    self.plans.map! { |plan| Plan.new(**plan) }
+    self.serial_options = SerialOptions.new(**self.serial_options)
+  end
+
+  def icon
+    "apps/#{id}.png"
+  end
+
+  def find_plan(id)
+    plans.detect { |plan| plan.id == id } || (raise PlanNotFound)
+  end
+
+  def download_link
+    "https://services.panini.house/apps/#{id}/latest_releases"
+  end
+
+  def download_link_for(serial_number)
+    "#{download_link}?serial_number=#{serial_number}"
+  end
+
+  def marketing_list
+    Sendy.lists.optional[id]
+  end
+
+  def checkout_recovery_list
+    Sendy.lists.optional["#{id}_checkout_recovery"]
+  end
+
+  def self.all
+    template = ERB.new File.read(Rails.root.join("app", "data", "apps.yml.erb"))
+
+    YAML.load(template.result)
+      .map(&:with_indifferent_access)
+      .map { |app| new(**app) }
+  end
+
+  def self.find(id)
+    all.find { |app| app.id == id } || (raise AppNotFound)
+  end
+end