require 'rails_helper'

RSpec.describe Language, type: :model do
  it 'accepts supported language codes' do
    expect(described_class.new(code: 'en', name: 'English')).to be_valid
  end

  it 'rejects an unsupported language code' do
    expect {
      described_class.create!(code: 'xx', name: 'Unsupported')
    }.to raise_error { |error|
      expect(error).to be_a(ArgumentError).or be_a(ActiveRecord::RecordInvalid)
    }
  end

  it 'does not treat French as a supported language' do
    expect {
      described_class.create!(code: 'fr', name: 'French')
    }.to raise_error { |error|
      expect(error).to be_a(ArgumentError).or be_a(ActiveRecord::RecordInvalid)
    }
  end
end