Contextual actions for callback_query

spec/telegram/bot/updates_controller/callback_query_context_spec.rb

@@ -0,0 +1,65 @@
+RSpec.describe Telegram::Bot::UpdatesController::CallbackQueyContext do
+  include_context 'telegram/bot/updates_controller'
+  let(:controller_class) do
+    described_class = self.described_class
+    Class.new(Telegram::Bot::UpdatesController) do
+      include described_class
+
+      attr_accessor :filter_done
+      before_action only: :ctx2_callback_query do
+        self.filter_done = true
+      end
+
+      def callback_query(data)
+        [:no_context, data]
+      end
+
+      def ctx1_callback_query(data)
+        [:ctx1, data]
+      end
+
+      def ctx2_callback_query(data)
+        [:ctx2, data]
+      end
+    end
+  end
+
+  describe '#dispatch' do
+    subject { -> { dispatch } }
+    let(:payload_type) { :callback_query }
+    let(:payload) { {'data' => data} }
+    let(:data) { text }
+    let(:text) { 'asd qwe zxc' }
+
+    context 'when context is not set' do
+      its(:call) { should eq [:no_context, text] }
+      it { should_not change(controller, :filter_done) }
+    end
+
+    context 'when context is set' do
+      let(:data) { "#{ctx}:#{text}" }
+
+      context 'and valid' do
+        let(:ctx) { 'ctx1' }
+        its(:call) { should eq [:ctx1, text] }
+        it { should_not change(controller, :filter_done) }
+
+        context 'and context has callback' do
+          let(:ctx) { 'ctx2' }
+          its(:call) { should eq [:ctx2, text] }
+          it { should change(controller, :filter_done) }
+        end
+
+        context 'and data has multiple colons' do
+          let(:text) { super().tr(' ', ':') }
+          its(:call) { should eq [:ctx1, text] }
+        end
+      end
+
+      context 'and invalid' do
+        let(:ctx) { 'missing' }
+        its(:call) { should eq [:no_context, data] }
+      end
+    end
+  end
+end