# frozen_string_literal: true

require 'spec_helper'

RSpec.describe Gitlab::Git::KeepAround do
  include RepoHelpers

  let(:repository) { create(:project, :repository).repository }
  let(:service) { described_class.new(repository) }

  it "does not fail if we attempt to reference bad commit" do
    expect(service.kept_around?('abc1234')).to be_falsey
  end

  it "stores a reference to the specified commit sha so it isn't garbage collected" do
    service.execute([sample_commit.id])

    expect(service.kept_around?(sample_commit.id)).to be_truthy
  end

  it "does not fail if writting the ref fails" do
    expect(repository.raw).to receive(:write_ref).and_raise(Gitlab::Git::CommandError)

    expect(service.kept_around?(sample_commit.id)).to be_falsey

    service.execute([sample_commit.id])

    expect(service.kept_around?(sample_commit.id)).to be_falsey
  end

  context 'for multiple SHAs' do
    it 'skips non-existent SHAs' do
      service.execute(['aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa', sample_commit.id])

      expect(service.kept_around?(sample_commit.id)).to be_truthy
    end

    it 'skips already-kept-around SHAs' do
      service.execute([sample_commit.id])

      expect(repository.raw_repository).to receive(:write_ref).exactly(1).and_call_original

      service.execute([sample_commit.id, another_sample_commit.id])

      expect(service.kept_around?(another_sample_commit.id)).to be_truthy
    end
  end
end