File: destroy_model_version_service_spec.rb

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# frozen_string_literal: true

require 'spec_helper'

RSpec.describe Ml::DestroyModelVersionService, feature_category: :mlops do
  let_it_be(:project) { create(:project) }
  let_it_be(:model) { create(:ml_models, project: project) }

  let(:user) { project.owner }

  let(:audit_event) do
    {
      name: 'ml_model_version_destroyed',
      author: user,
      scope: project,
      message: "MlModelVersion #{model_version.name}/#{model_version.version} destroyed",
      target: model_version
    }
  end

  subject(:execute_service) { described_class.new(model_version, user).execute }

  before do
    allow(Gitlab::Audit::Auditor).to receive(:audit).and_call_original
  end

  describe '#execute', :aggregate_failures do
    context 'when model version exists' do
      let(:model_version) { create(:ml_model_versions, :with_package, model: model) }

      it 'deletes the model version' do
        expect(execute_service).to be_success
        expect(execute_service.payload[:model_version]).to eq(model_version)
        expect(Ml::ModelVersion.find_by(id: model_version.id)).to be_nil
        expect(Gitlab::Audit::Auditor).to have_received(:audit).with(audit_event)
      end
    end

    context 'when model version has no package' do
      let(:model_version) { create(:ml_model_versions, model: model) }

      it 'does not trigger destroy package service' do
        expect(Packages::MarkPackageForDestructionService).not_to receive(:new)
        expect(execute_service).to be_success
        expect(Gitlab::Audit::Auditor).to have_received(:audit).with(audit_event)
      end
    end

    context 'when package cannot be marked for destruction' do
      let(:model_version) { create(:ml_model_versions, :with_package, model: model) }
      let(:user) { nil }

      it 'does not delete the model version' do
        is_expected.to be_error.and have_attributes(message: "You don't have access to this package")
        expect(Ml::ModelVersion.find_by(id: model_version.id)).to eq(model_version)
        expect(Gitlab::Audit::Auditor).not_to have_received(:audit)
      end
    end
  end
end