require "isolation/abstract_unit" require "rack/test" module ApplicationTests class ActiveRecordTest < Test::Unit::TestCase include ActiveSupport::Testing::Isolation include Rack::Test::Methods def setup @database_url = ENV['DATABASE_URL'] ENV.delete('DATABASE_URL') build_app boot_rails end def teardown teardown_app ENV['DATABASE_URL'] = @database_url end test "blows up when no DATABASE_URL env var or database.yml" do FileUtils.rm_rf("#{app_path}/config/database.yml") boot_rails simple_controller get '/foo' assert last_response.body.include?("We're sorry, but something went wrong (500)") end test "uses DATABASE_URL env var when config/database.yml doesn't exist" do database_path = "/db/foo.sqlite3" FileUtils.rm_rf("#{app_path}/config/database.yml") ENV['DATABASE_URL'] = "sqlite3://#{database_path}" simple_controller get '/foo' assert_equal 'foo', last_response.body # clean up FileUtils.rm("#{app_path}/#{database_path}") end test "DATABASE_URL env var takes precedence over config/database.yml" do database_path = "/db/foo.sqlite3" ENV['DATABASE_URL'] = "sqlite3://#{database_path}" simple_controller get '/foo' assert File.read("#{app_path}/log/production.log").include?("DATABASE_URL") # clean up FileUtils.rm("#{app_path}/#{database_path}") end test "logs the use of config/database.yml" do simple_controller get '/foo' assert File.read("#{app_path}/log/production.log").include?("database.yml") end end end