# frozen_string_literal: true

#-- copyright
# OpenProject is an open source project management software.
# Copyright (C) the OpenProject GmbH
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License version 3.
#
# OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
# Copyright (C) 2006-2013 Jean-Philippe Lang
# Copyright (C) 2010-2013 the ChiliProject Team
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
#
# See COPYRIGHT and LICENSE files for more details.
#++

require "spec_helper"

RSpec.describe ProjectCustomFieldProjectMapping do
  describe "uniqueness by project" do
    let!(:project) { create(:project) }
    let!(:project_custom_field) { create(:project_custom_field) }

    it "a project custom field can only be mapped to a project once" do
      project.project_custom_fields << project_custom_field

      expect(described_class).to exist(custom_field_id: project_custom_field.id,
                                       project_id: project.id)

      expect do
        project.project_custom_fields << project_custom_field
      end.to raise_error(ActiveRecord::RecordInvalid, /Custom field has already been taken/)
    end
  end
end