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path: root/spec/services/projects/lfs_pointers/lfs_import_service_spec.rb
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# frozen_string_literal: true
require 'spec_helper'

describe Projects::LfsPointers::LfsImportService do
  let(:project) { create(:project) }
  let(:user) { project.creator }
  let(:import_url) { 'http://www.gitlab.com/demo/repo.git' }
  let(:oid_download_links) { { 'oid1' => "#{import_url}/gitlab-lfs/objects/oid1", 'oid2' => "#{import_url}/gitlab-lfs/objects/oid2" } }

  subject { described_class.new(project, user) }

  context 'when lfs is enabled for the project' do
    before do
      allow(project).to receive(:lfs_enabled?).and_return(true)
    end

    it 'downloads lfs objects' do
      service = double
      expect_any_instance_of(Projects::LfsPointers::LfsObjectDownloadListService).to receive(:execute).and_return(oid_download_links)
      expect(Projects::LfsPointers::LfsDownloadService).to receive(:new).and_return(service).twice
      expect(service).to receive(:execute).twice

      result = subject.execute

      expect(result[:status]).to eq :success
    end

    context 'when no downloadable lfs object links' do
      it 'does not call LfsDownloadService' do
        expect_any_instance_of(Projects::LfsPointers::LfsObjectDownloadListService).to receive(:execute).and_return({})
        expect(Projects::LfsPointers::LfsDownloadService).not_to receive(:new)

        result = subject.execute

        expect(result[:status]).to eq :success
      end
    end

    context 'when an exception is raised' do
      it 'returns error' do
        error_message = "error message"
        expect_any_instance_of(Projects::LfsPointers::LfsObjectDownloadListService).to receive(:execute).and_raise(StandardError, error_message)

        result = subject.execute

        expect(result[:status]).to eq :error
        expect(result[:message]).to eq error_message
      end
    end
  end

  context 'when lfs is not enabled for the project' do
    it 'does not download lfs objects' do
      allow(project).to receive(:lfs_enabled?).and_return(false)
      expect(Projects::LfsPointers::LfsObjectDownloadListService).not_to receive(:new)
      expect(Projects::LfsPointers::LfsDownloadService).not_to receive(:new)

      result = subject.execute

      expect(result[:status]).to eq :success
    end
  end
end