# frozen_string_literal: true

require 'spec_helper'

RSpec.describe ResourceStateEvent, type: :model do
  subject { build(:resource_state_event, issue: issue) }

  let(:issue) { create(:issue) }
  let(:merge_request) { create(:merge_request) }

  it_behaves_like 'a resource event'
  it_behaves_like 'a resource event for issues'
  it_behaves_like 'a resource event for merge requests'

  describe 'validations' do
    describe 'Issuable validation' do
      it 'is valid if an issue is set' do
        subject.attributes = { issue: build_stubbed(:issue), merge_request: nil }

        expect(subject).to be_valid
      end

      it 'is valid if a merge request is set' do
        subject.attributes = { issue: nil, merge_request: build_stubbed(:merge_request) }

        expect(subject).to be_valid
      end

      it 'is invalid if both issue and merge request are set' do
        subject.attributes = { issue: build_stubbed(:issue), merge_request: build_stubbed(:merge_request) }

        expect(subject).not_to be_valid
      end

      it 'is invalid if there is no issuable set' do
        subject.attributes = { issue: nil, merge_request: nil }

        expect(subject).not_to be_valid
      end
    end
  end
end