spec/uploaders/external_diff_uploader_spec.rb


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require 'spec_helper'

describe ExternalDiffUploader do
  let(:diff) { create(:merge_request).merge_request_diff }
  let(:path) { Gitlab.config.external_diffs.storage_path }

  subject(:uploader) { described_class.new(diff, :external_diff) }

  it_behaves_like "builds correct paths",
                  store_dir: %r[merge_request_diffs/mr-\d+],
                  cache_dir: %r[/external-diffs/tmp/cache],
                  work_dir: %r[/external-diffs/tmp/work]

  context "object store is REMOTE" do
    before do
      stub_external_diffs_object_storage
    end

    include_context 'with storage', described_class::Store::REMOTE

    it_behaves_like "builds correct paths",
                    store_dir: %r[merge_request_diffs/mr-\d+]
  end

  describe 'migration to object storage' do
    context 'with object storage disabled' do
      it "is skipped" do
        expect(ObjectStorage::BackgroundMoveWorker).not_to receive(:perform_async)

        diff
      end
    end

    context 'with object storage enabled' do
      before do
        stub_external_diffs_setting(enabled: true)
        stub_external_diffs_object_storage(background_upload: true)
      end

      it 'is scheduled to run after creation' do
        expect(ObjectStorage::BackgroundMoveWorker).to receive(:perform_async).with(described_class.name, 'MergeRequestDiff', :external_diff, kind_of(Numeric))

        diff
      end
    end
  end

  describe 'remote file' do
    context 'with object storage enabled' do
      before do
        stub_external_diffs_setting(enabled: true)
        stub_external_diffs_object_storage

        diff.update!(external_diff_store: described_class::Store::REMOTE)
      end

      it 'can store file remotely' do
        allow(ObjectStorage::BackgroundMoveWorker).to receive(:perform_async)

        diff

        expect(diff.external_diff_store).to eq(described_class::Store::REMOTE)
        expect(diff.external_diff.path).not_to be_blank
      end
    end
  end
end