Redmine

        if v && Array(v.value).detect(&:present?).nil?

  def test_create_should_validate_required_list_fields

    cf1 = IssueCustomField.create!(:name => 'Foo', :field_format => 'list', :is_for_all => true, :tracker_ids => [1, 2], :multiple => false, :possible_values => ['a', 'b'])

    cf2 = IssueCustomField.create!(:name => 'Bar', :field_format => 'list', :is_for_all => true, :tracker_ids => [1, 2], :multiple => true, :possible_values => ['a', 'b'])

    WorkflowPermission.delete_all

    WorkflowPermission.create!(:old_status_id => 1, :tracker_id => 2, :role_id => 1, :field_name => cf1.id.to_s, :rule => 'required')

    WorkflowPermission.create!(:old_status_id => 1, :tracker_id => 2, :role_id => 1, :field_name => cf2.id.to_s, :rule => 'required')

    @request.session[:user_id] = 2

    assert_no_difference 'Issue.count' do

      post :create, :project_id => 1, :issue => {

        :tracker_id => 2,

        :status_id => 1,

        :subject => 'Test',

        :start_date => '',

        :due_date => '',

        :custom_field_values => {cf1.id.to_s => '', cf2.id.to_s => ['']}

      }

      assert_response :success

      assert_template 'new'

    end

    assert_select_error /Foo cannot be blank/i

    assert_select_error /Bar cannot be blank/i

  end