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path: root/spec/services/projects/hashed_storage/rollback_service_spec.rb
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# frozen_string_literal: true

require 'spec_helper'

describe Projects::HashedStorage::RollbackService do
  let(:project) { create(:project, :empty_repo, :wiki_repo) }
  let(:logger) { double }

  subject(:service) { described_class.new(project, project.full_path, logger: logger) }

  describe '#execute' do
    context 'attachments rollback' do
      let(:attachments_service_class) { Projects::HashedStorage::RollbackAttachmentsService }
      let(:attachments_service) { attachments_service_class.new(project, logger: logger) }

      it 'delegates rollback to Projects::HashedStorage::RollbackAttachmentsService' do
        expect(attachments_service_class).to receive(:new)
            .with(project, logger: logger)
            .and_return(attachments_service)
        expect(attachments_service).to receive(:execute)

        service.execute
      end

      it 'does not delegate rollback if repository is in legacy storage already' do
        project.storage_version = nil
        expect(attachments_service_class).not_to receive(:new)

        service.execute
      end
    end

    context 'repository rollback' do
      let(:repository_service_class) { Projects::HashedStorage::RollbackRepositoryService }
      let(:repository_service) { repository_service_class.new(project, project.full_path, logger: logger) }

      it 'delegates rollback to RollbackRepositoryService' do
        project.storage_version = ::Project::HASHED_STORAGE_FEATURES[:repository]

        expect(repository_service_class).to receive(:new)
            .with(project, project.full_path, logger: logger)
            .and_return(repository_service)
        expect(repository_service).to receive(:execute)

        service.execute
      end

      it 'does not delegate rollback if repository is in legacy storage already' do
        project.storage_version = nil

        expect(repository_service_class).not_to receive(:new)

        service.execute
      end
    end
  end
end