discourse/spec/serializers/user_auth_token_serializer_spec.rb

require 'rails_helper'

describe UserAuthTokenSerializer do

  let(:user) { Fabricate(:moderator) }
  let(:token) { UserAuthToken.generate!(user_id: user.id, client_ip: '2a02:ea00::', staff: true) }

  before(:each) do
    DiscourseIpInfo.open_db(File.join(Rails.root, 'spec', 'fixtures', 'mmdb'))
  end

  it 'serializes user auth tokens with respect to user locale' do
    I18n.locale = 'de'
    json = UserAuthTokenSerializer.new(token, scope: Guardian.new(user), root: false).as_json
    expect(json[:location]).to include('Schweiz')
  end

  it 'correctly translates Discourse locale to MaxMindDb locale' do
    I18n.locale = 'zh_CN'
    json = UserAuthTokenSerializer.new(token, scope: Guardian.new(user), root: false).as_json
    expect(json[:location]).to include('瑞士')
  end
end