Make integration & controller specs consistent

lib/telegram/bot/rspec/message_helpers.rb

@@ -0,0 +1,26 @@
+# Shared helpers for testing message updates.
+RSpec.shared_context 'telegram/bot/message_helpers' do
+  let(:default_message_options) { {from: from, chat: chat} }
+  let(:from) { {id: from_id} }
+  let(:from_id) { 123 }
+  let(:chat) { {id: chat_id} }
+  let(:chat_id) { 456 }
+
+  # Shortcut for dispatching messages with default params.
+  def dispatch_message(text, options = {})
+    dispatch message: default_message_options.merge(options).merge(text: text)
+  end
+
+  # Dispatch command message.
+  def dispatch_command(cmd, *args)
+    options = args.last.is_a?(Hash) ? args.pop : {}
+    args.unshift("/#{cmd}")
+    dispatch_message(args.join(' '), options)
+  end
+
+  # Matcher to check response. Make sure to define `let(:chat_id)`.
+  def respond_with_message(expected = Regexp.new(''))
+    raise 'Define chat_id to use respond_with_message' unless defined?(chat_id)
+    send_telegram_message(bot, expected, chat_id: chat_id)
+  end
+end