Pass selected workflow from AS controller to ASCreateService

 * Allow AS controller to pass workflow_name param to service (thanks, @hortongn!)
 * Default ASCreateService to the default workflow if `nil` is passed
 * Add a test for the rake task

Fixes #3161

app/controllers/sufia/admin/admin_sets_controller.rb

@@ -95,7 +95,7 @@ def list_search_builder
       end
 
       def create_admin_set
-        AdminSetCreateService.new(@admin_set, current_user).create
+        AdminSetCreateService.new(@admin_set, current_user, params[:admin_set][:workflow_name]).create
       end
 
       def setup_form

app/services/sufia/admin_set_create_service.rb

@@ -19,7 +19,7 @@ def self.create_default!
     def initialize(admin_set, creating_user, workflow_name)
       @admin_set = admin_set
       @creating_user = creating_user
-      @workflow_name = workflow_name
+      @workflow_name = workflow_name || AdminSet::DEFAULT_WORKFLOW_NAME
     end
 
     attr_reader :creating_user, :admin_set, :workflow_name

spec/controllers/sufia/admin/admin_sets_controller_spec.rb

@@ -58,7 +58,7 @@
       let(:service) { instance_double(Sufia::AdminSetCreateService) }
       before do
         allow(Sufia::AdminSetCreateService).to receive(:new)
-          .with(AdminSet, user)
+          .with(AdminSet, user, 'default')
           .and_return(service)
       end
 

spec/tasks/rake_spec.rb

@@ -6,7 +6,10 @@
     let!(:user2) { FactoryGirl.create(:user) }
 
     before do
-      load_rake_environment [File.expand_path("../../../tasks/sufia_user.rake", __FILE__)]
+      load_rake_environment [
+        File.expand_path("../../../tasks/sufia_user.rake", __FILE__),
+        File.expand_path("../../../lib/tasks/default_admin_set.rake", __FILE__)
+      ]
     end
 
     it "creates a file" do
@@ -23,5 +26,15 @@
       expect(IO.read("abc123.txt")).to include(user1.email, user2.email)
       File.delete("abc123.txt")
     end
+
+    describe 'sufia:default_admin_set:create' do
+      before do
+        AdminSet.find(AdminSet::DEFAULT_ID).eradicate if AdminSet.exists?(AdminSet::DEFAULT_ID)
+      end
+
+      it 'creates the default AdminSet' do
+        expect { run_task 'sufia:default_admin_set:create' }.to change { AdminSet.count }.by(1)
+      end
+    end
   end
 end