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path: root/spec/config/settings_spec.rb
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# frozen_string_literal: true

require 'spec_helper'

describe Settings do
  describe 'omniauth' do
    it 'defaults to enabled' do
      expect(described_class.omniauth.enabled).to be true
    end
  end

  describe '.load_dynamic_cron_schedules!' do
    it 'generates a valid cron schedule' do
      expect(Fugit::Cron.parse(described_class.load_dynamic_cron_schedules!)).to be_a(Fugit::Cron)
    end
  end

  describe '.attr_encrypted_db_key_base_truncated' do
    it 'is a string with maximum 32 bytes size' do
      expect(described_class.attr_encrypted_db_key_base_truncated.bytesize)
        .to be <= 32
    end
  end

  describe '.attr_encrypted_db_key_base_12' do
    context 'when db key base secret is less than 12 bytes' do
      before do
        allow(described_class)
          .to receive(:attr_encrypted_db_key_base)
          .and_return('a' * 10)
      end

      it 'expands db key base secret to 12 bytes' do
        expect(described_class.attr_encrypted_db_key_base_12)
          .to eq(('a' * 10) + ('0' * 2))
      end
    end

    context 'when key has multiple multi-byte UTF chars exceeding 12 bytes' do
      before do
        allow(described_class)
          .to receive(:attr_encrypted_db_key_base)
          .and_return('❤' * 18)
      end

      it 'does not use more than 32 bytes' do
        db_key_base = described_class.attr_encrypted_db_key_base_12

        expect(db_key_base).to eq('❤' * 4)
        expect(db_key_base.bytesize).to eq 12
      end
    end
  end

  describe '.attr_encrypted_db_key_base_32' do
    context 'when db key base secret is less than 32 bytes' do
      before do
        allow(described_class)
          .to receive(:attr_encrypted_db_key_base)
          .and_return('a' * 10)
      end

      it 'expands db key base secret to 32 bytes' do
        expanded_key_base = ('a' * 10) + ('0' * 22)

        expect(expanded_key_base.bytesize).to eq 32
        expect(described_class.attr_encrypted_db_key_base_32)
          .to eq expanded_key_base
      end
    end

    context 'when db key base secret is 32 bytes' do
      before do
        allow(described_class)
          .to receive(:attr_encrypted_db_key_base)
          .and_return('a' * 32)
      end

      it 'returns original value' do
        expect(described_class.attr_encrypted_db_key_base_32)
          .to eq 'a' * 32
      end
    end

    context 'when db key base contains multi-byte UTF character' do
      before do
        allow(described_class)
          .to receive(:attr_encrypted_db_key_base)
          .and_return('❤' * 6)
      end

      it 'does not use more than 32 bytes' do
        db_key_base = described_class.attr_encrypted_db_key_base_32

        expect(db_key_base).to eq '❤❤❤❤❤❤' + ('0' * 14)
        expect(db_key_base.bytesize).to eq 32
      end
    end

    context 'when db key base multi-byte UTF chars exceeding 32 bytes' do
      before do
        allow(described_class)
          .to receive(:attr_encrypted_db_key_base)
          .and_return('❤' * 18)
      end

      it 'does not use more than 32 bytes' do
        db_key_base = described_class.attr_encrypted_db_key_base_32

        expect(db_key_base).to eq(('❤' * 10) + ('0' * 2))
        expect(db_key_base.bytesize).to eq 32
      end
    end
  end
end