Tests for registering products IN the stores.

Author: andrzejkrzywda

ecommerce/stores/lib/stores/product_registration.rb

@@ -0,0 +1,26 @@
+module Stores
+  class ProductRegistration
+    def initialize(event_store)
+      @event_store = event_store
+    end
+
+    def call(cmd)
+      @event_store.publish(product_registered_event(cmd), stream_name: stream_name(cmd))
+    end
+
+    private
+
+    def product_registered_event(cmd)
+      ProductRegistered.new(
+        data: {
+          store_id: cmd.store_id,
+          product_id: cmd.product_id,
+        }
+      )
+    end
+
+    def stream_name(cmd)
+      "Stores::Store$#{cmd.store_id}"
+    end
+  end
+end

ecommerce/stores/test/product_registration_test.rb

@@ -0,0 +1,27 @@
+require_relative 'test_helper'
+module Stores
+  class ProductRegistrationTest < Test
+    cover "Stores*"
+
+    def test_product_should_get_registered
+      store_id = SecureRandom.uuid
+      product_id = SecureRandom.uuid
+      assert register_product(store_id, product_id)
+    end
+
+    def test_should_publish_event
+      store_id = SecureRandom.uuid
+      product_id = SecureRandom.uuid
+      product_registered = Stores::ProductRegistered.new(data: { store_id: store_id, product_id: product_id })
+      assert_events("Stores::Store$#{store_id}", product_registered) do
+        register_product(store_id, product_id)
+      end
+    end
+
+    private
+
+    def register_product(store_id, product_id)
+      run_command(RegisterProduct.new(store_id: store_id, product_id: product_id))
+    end
+  end
+end