Ability to use type-castion with telegram-bot-types

spec/telegram/bot/updates_controller/typed_update_spec.rb

@@ -0,0 +1,27 @@
+RSpec.describe Telegram::Bot::UpdatesController::TypedUpdate do
+  include_context 'telegram/bot/updates_controller'
+  let(:instance) { controller_class.new(bot, update) }
+  let(:controller_class) do
+    described_class = self.described_class
+    Class.new(Telegram::Bot::UpdatesController) do
+      include described_class
+    end
+  end
+
+  context 'when `update` is a virtus model' do
+    subject { instance }
+    %w(
+      message
+      inline_query
+      chosen_inline_result
+    ).each do |type|
+      context "with #{type}" do
+        type_class = Telegram::Bot::Types.const_get(type.camelize)
+        let(:payload_type) { type }
+        let(:payload) { {} }
+        its(:payload_type) { should eq payload_type }
+        its(:payload) { should be_instance_of type_class }
+      end
+    end
+  end
+end