test: 🧪 add cargo handled event handler

Author: lucas4tech

spec/bounded_contexts/tracking/application/event_handlers/cargo_handled_event_handler_spec.rb

@@ -0,0 +1,47 @@
+require "rails_helper"
+
+module Tracking
+  module Application
+    module EventHandlers
+      describe CargoHandledEventHandler, type: :model do
+        let(:handler) { described_class }
+        let(:event) {
+          SharedDomain::Events::CargoHandledEvent.new(
+            booking_id: "booking_id",
+            handling_type: "handling_type",
+            handling_completion_time: Time.now.to_datetime,
+            handling_location: "handling_location",
+            voyage_number: "voyage_number"
+          )
+        }
+
+        module AssignServiceMock
+          def self.add_tracking_event(command)
+            command
+          end
+        end
+
+        before do
+          Tracking::Container.enable_stubs!
+          Tracking::Container.stub("tracking.assign_tracking_id_service", AssignServiceMock)
+        end
+
+        after do
+          Tracking::Container.unstub("shared.http_client")
+        end
+
+        it "processes the event when dispatched" do
+          expect(handler).to receive(:call).with(event)
+          EventDispatcher.emit(event)
+        end
+
+        it "adds a tracking event" do
+          expect(AssignServiceMock).to receive(:add_tracking_event).with(
+            CargoHandledEventHandler::TrackingActivityEventAssembler.to_command_from_event(event)
+          )
+          EventDispatcher.emit(event)
+        end
+      end
+    end
+  end
+end