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path: root/spec/models/concerns/schedulable_spec.rb
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# frozen_string_literal: true

require 'spec_helper'

RSpec.describe Schedulable do
  shared_examples 'before_save callback' do
    it 'updates next_run_at' do
      expect { object.save! }.to change { object.next_run_at }
    end
  end

  shared_examples '.runnable_schedules' do
    it 'returns the runnable schedules' do
      results = object.class.runnable_schedules

      expect(results).to include(object)
      expect(results).not_to include(non_runnable_object)
    end
  end

  shared_examples '#schedule_next_run!' do
    it 'saves the object and sets next_run_at' do
      expect { object.schedule_next_run! }.to change { object.next_run_at }
    end

    it 'sets next_run_at to nil on error' do
      expect(object).to receive(:save!).and_raise(ActiveRecord::RecordInvalid)

      object.schedule_next_run!

      expect(object.next_run_at).to be_nil
    end
  end

  context 'for a pipeline_schedule' do
    # let! is used to reset the next_run_at value before each spec
    let(:object) do
      Timecop.freeze(1.day.ago) do
        create(:ci_pipeline_schedule, :hourly)
      end
    end

    let(:non_runnable_object) { create(:ci_pipeline_schedule, :hourly) }

    it_behaves_like '#schedule_next_run!'
    it_behaves_like 'before_save callback'
    it_behaves_like '.runnable_schedules'
  end

  context 'for a container_expiration_policy' do
    # let! is used to reset the next_run_at value before each spec
    let(:object) { create(:container_expiration_policy, :runnable) }
    let(:non_runnable_object) { create(:container_expiration_policy) }

    it_behaves_like '#schedule_next_run!'
    it_behaves_like 'before_save callback'
    it_behaves_like '.runnable_schedules'
  end

  describe '#next_run_at' do
    let(:schedulable_instance) do
      Class.new(ActiveRecord::Base) do
        include Schedulable

        # we need a table for the dummy class to operate
        self.table_name = 'users'
      end.new
    end

    it 'works' do
      expect { schedulable_instance.set_next_run_at }.to raise_error(NotImplementedError)
    end
  end
end