source 'https://rubygems.org'

# Specify your gem's dependencies in u-observers.gemspec
gemspec

activerecord_version = ENV.fetch('ACTIVERECORD_VERSION', '6.1')

activerecord = case activerecord_version
              when '3.2' then '3.2.22'
              when '4.0' then '4.0.13'
              when '4.1' then '4.1.16'
              when '4.2' then '4.2.11'
              when '5.0' then '5.0.7'
              when '5.1' then '5.1.7'
              when '5.2' then '5.2.3'
              when '6.0' then '6.0.3'
              end

simplecov_version =
  case RUBY_VERSION
  when /\A2.[23]/ then '~> 0.17.1'
  when /\A2.4/ then '~> 0.18.5'
  else '~> 0.19'
  end

sqlite3 =
  case activerecord
  when /\A6\.0/, nil then '~> 1.4.0'
  else '~> 1.3.0'
  end

group :test do
  gem 'minitest', activerecord_version < '4.1' ? '~> 4.2' : '~> 5.0'
  gem 'simplecov', simplecov_version, require: false

  gem 'sqlite3', sqlite3
  gem 'activerecord', activerecord, require: 'active_record'
end