i18n_spec.rb

# frozen_string_literal: true
require 'i18n/tasks'

RSpec.describe 'I18n' do
  let(:i18n) { I18n::Tasks::BaseTask.new }
  let(:missing_keys) { i18n.missing_keys }
  let(:unused_keys) { i18n.unused_keys }

  it 'does not have missing keys' do
    expect(missing_keys).to be_empty,
      "Missing #{missing_keys.leaves.count} i18n keys, run `i18n-tasks missing' to show them"
  end

  it 'does not have unused keys' do
    expect(unused_keys).to be_empty,
      "#{unused_keys.leaves.count} unused i18n keys, run `i18n-tasks unused' to show them"
  end
end