require 'rails_helper'

describe GlobalConfigService do
  subject(:trigger) { described_class }

  describe 'execute' do
    context 'when called with default options' do
      before do
        # to clear redis cache
        GlobalConfig.clear_cache
      end

      it 'set default value if not found on db nor env var' do
        value = GlobalConfig.get('ENABLE_ACCOUNT_SIGNUP')
        expect(value['ENABLE_ACCOUNT_SIGNUP']).to eq nil

        described_class.load('ENABLE_ACCOUNT_SIGNUP', 'true')

        value = GlobalConfig.get('ENABLE_ACCOUNT_SIGNUP')
        expect(value['ENABLE_ACCOUNT_SIGNUP']).to eq 'true'
        expect(InstallationConfig.find_by(name: 'ENABLE_ACCOUNT_SIGNUP')&.value).to eq 'true'
      end

      it 'get value from env variable if not found on DB' do
        with_modified_env ENABLE_ACCOUNT_SIGNUP: 'false' do
          expect(InstallationConfig.find_by(name: 'ENABLE_ACCOUNT_SIGNUP')&.value).to eq nil
          described_class.load('ENABLE_ACCOUNT_SIGNUP', 'true')
          value = GlobalConfig.get('ENABLE_ACCOUNT_SIGNUP')
          expect(value['ENABLE_ACCOUNT_SIGNUP']).to eq 'false'
        end
      end

      it 'get value from DB if found' do
        # Set a value in db first and make sure this value
        # is not respected even when load() method is called with
        # another value.
        InstallationConfig.where(name: 'ENABLE_ACCOUNT_SIGNUP').first_or_create(value: 'true')
        described_class.load('ENABLE_ACCOUNT_SIGNUP', 'false')
        value = GlobalConfig.get('ENABLE_ACCOUNT_SIGNUP')
        expect(value['ENABLE_ACCOUNT_SIGNUP']).to eq 'true'
      end
    end
  end
end