Added spec for testing that migration for a new resource in an extens…

…ion will be numbered properly as reported in refineryGH-1885

core/spec/lib/generators/refinery/engine/engine_generator_multiple_resources_spec.rb

@@ -0,0 +1,39 @@
+require 'spec_helper'
+require 'generator_spec/test_case'
+require 'generators/refinery/engine/engine_generator'
+
+module Refinery
+  describe EngineGenerator do
+    include GeneratorSpec::TestCase
+    destination File.expand_path("../../../../../../tmp", __FILE__)
+
+    before do
+      prepare_destination
+      run_generator %w{ rspec_product_test title:string description:text image:image brochure:resource }
+    end
+
+    context "when generating a resource inside existing extensions dir" do
+
+      before do
+        run_generator %w{ rspec_item_test title:string --extension rspec_product_tests --namespace rspec_product_tests --skip }
+      end
+
+      it "creates a new migration with the new resource" do
+        destination_root.should have_structure {
+          directory "vendor" do
+            directory "extensions" do
+              directory "rspec_product_tests" do
+                directory "db" do
+                  directory "migrate" do
+                    file "2_create_rspec_product_tests_rspec_item_tests.rb"
+                  end
+                end
+              end
+            end
+          end
+        }
+      end
+    end
+
+  end
+end