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path: root/spec/lib/gitlab/background_migration/disable_legacy_open_source_license_for_projects_less_than_one_mb_spec.rb
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# frozen_string_literal: true

require 'spec_helper'

RSpec.describe Gitlab::BackgroundMigration::DisableLegacyOpenSourceLicenseForProjectsLessThanOneMb,
               :migration,
               schema: 20220906074449 do
  let(:namespaces_table) { table(:namespaces) }
  let(:projects_table) { table(:projects) }
  let(:project_settings_table) { table(:project_settings) }
  let(:project_statistics_table) { table(:project_statistics) }

  subject(:perform_migration) do
    described_class.new(start_id: project_settings_table.minimum(:project_id),
                        end_id: project_settings_table.maximum(:project_id),
                        batch_table: :project_settings,
                        batch_column: :project_id,
                        sub_batch_size: 2,
                        pause_ms: 0,
                        connection: ActiveRecord::Base.connection)
                   .perform
  end

  it 'sets `legacy_open_source_license_available` to false only for projects less than 1 MB',
     :aggregate_failures do
    project_setting_1_mb = create_legacy_license_project_setting(repo_size: 1)
    project_setting_2_mb = create_legacy_license_project_setting(repo_size: 2)
    project_setting_quarter_mb = create_legacy_license_project_setting(repo_size: 0.25)
    project_setting_half_mb = create_legacy_license_project_setting(repo_size: 0.5)

    queries = ActiveRecord::QueryRecorder.new { perform_migration }

    expect(queries.count).to eq(7)
    expect(migrated_attribute(project_setting_1_mb)).to be_truthy
    expect(migrated_attribute(project_setting_2_mb)).to be_truthy
    expect(migrated_attribute(project_setting_quarter_mb)).to be_falsey
    expect(migrated_attribute(project_setting_half_mb)).to be_falsey
  end

  private

  # @param repo_size: Repo size in MB
  def create_legacy_license_project_setting(repo_size:)
    path = "path-for-repo-size-#{repo_size}"
    namespace = namespaces_table.create!(name: "namespace-#{path}", path: "namespace-#{path}")
    project_namespace =
      namespaces_table.create!(name: "-project-namespace-#{path}", path: "project-namespace-#{path}", type: 'Project')
    project = projects_table
                .create!(name: path, path: path, namespace_id: namespace.id, project_namespace_id: project_namespace.id)

    size_in_bytes = 1.megabyte * repo_size
    project_statistics_table.create!(project_id: project.id, namespace_id: namespace.id, repository_size: size_in_bytes)
    project_settings_table.create!(project_id: project.id, legacy_open_source_license_available: true)
  end

  def migrated_attribute(project_setting)
    project_settings_table.find(project_setting.project_id).legacy_open_source_license_available
  end
end