require 'isolation/abstract_unit' class ConsoleTest < ActiveSupport::TestCase include ActiveSupport::Testing::Isolation def setup build_app boot_rails end def teardown teardown_app end def load_environment(sandbox = false) require "#{rails_root}/config/environment" Rails.application.sandbox = sandbox Rails.application.load_console end def irb_context Object.new.extend(Rails::ConsoleMethods) end def test_app_method_should_return_integration_session TestHelpers::Rack.send :remove_method, :app load_environment console_session = irb_context.app assert_instance_of ActionDispatch::Integration::Session, console_session end def test_new_session_should_return_integration_session load_environment session = irb_context.new_session assert_instance_of ActionDispatch::Integration::Session, session end def test_reload_should_fire_preparation_and_cleanup_callbacks load_environment a = b = c = nil # TODO: These should be defined on the initializer ActionDispatch::Reloader.to_cleanup { a = b = c = 1 } ActionDispatch::Reloader.to_cleanup { b = c = 2 } ActionDispatch::Reloader.to_prepare { c = 3 } # Hide Reloading... output silence_stream(STDOUT) { irb_context.reload! } assert_equal 1, a assert_equal 2, b assert_equal 3, c end def test_reload_should_reload_constants app_file "app/models/user.rb", <<-MODEL class User attr_accessor :name end MODEL load_environment assert User.new.respond_to?(:name) app_file "app/models/user.rb", <<-MODEL class User attr_accessor :name, :age end MODEL assert !User.new.respond_to?(:age) silence_stream(STDOUT) { irb_context.reload! } assert User.new.respond_to?(:age) end def test_access_to_helpers load_environment helper = irb_context.helper assert_not_nil helper assert_instance_of ActionView::Base, helper assert_equal 'Once upon a time in a world...', helper.truncate('Once upon a time in a world far far away') end end begin require "pty" rescue LoadError end class FullStackConsoleTest < ActiveSupport::TestCase def setup skip "PTY unavailable" unless defined?(PTY) && PTY.respond_to?(:open) build_app app_file 'app/models/post.rb', <<-CODE class Post < ActiveRecord::Base end CODE system "#{app_path}/bin/rails runner 'Post.connection.create_table :posts'" @master, @slave = PTY.open end def teardown teardown_app end def assert_output(expected, timeout = 5) timeout = Time.now + timeout output = "" until output.include?(expected) || Time.now > timeout if IO.select([@master], [], [], 0.1) output << @master.readpartial(100) end end assert output.include?(expected), "#{expected.inspect} expected, but got:\n\n#{output}" end def write_prompt(command, expected_output = nil) @master.puts command assert_output command assert_output expected_output if expected_output assert_output "> " end def kill(pid) Process.kill('QUIT', pid) Process.wait(pid) rescue Errno::ESRCH end def spawn_console pid = Process.spawn( "#{app_path}/bin/rails console --sandbox", in: @slave, out: @slave, err: @slave ) assert_output "> ", 30 pid end def test_sandbox pid = spawn_console write_prompt "Post.count", "=> 0" write_prompt "Post.create" write_prompt "Post.count", "=> 1" kill pid pid = spawn_console write_prompt "Post.count", "=> 0" write_prompt "Post.transaction { Post.create; raise }" write_prompt "Post.count", "=> 0" ensure kill pid if pid end end