require 'rails_helper'

RSpec.describe Timelog do
  subject { build(:timelog) }
  let(:issue) { create(:issue) }
  let(:merge_request) { create(:merge_request) }

  it { is_expected.to belong_to(:issue).touch(true) }
  it { is_expected.to belong_to(:merge_request).touch(true) }

  it { is_expected.to be_valid }

  it { is_expected.to validate_presence_of(:time_spent) }
  it { is_expected.to validate_presence_of(:user) }

  describe 'Issuable validation' do
    it 'is invalid if issue_id and merge_request_id are missing' do
      subject.attributes = { issue: nil, merge_request: nil }

      expect(subject).to be_invalid
    end

    it 'is invalid if issue_id and merge_request_id are set' do
      subject.attributes = { issue: issue, merge_request: merge_request }

      expect(subject).to be_invalid
    end

    it 'is valid if only issue_id is set' do
      subject.attributes = { issue: issue, merge_request: nil }

      expect(subject).to be_valid
    end

    it 'is valid if only merge_request_id is set' do
      subject.attributes = { merge_request: merge_request, issue: nil }

      expect(subject).to be_valid
    end
  end
end