1Code.require_file("../../test_helper.exs", __DIR__) 2 3defmodule Mix.Tasks.IExTest do 4 use MixTest.Case, async: true 5 6 test "raises error message about correct usage", context do 7 in_tmp(context.test, fn -> 8 msg = "To use IEx with Mix, please run \"iex -S mix\"" 9 10 assert_raise Mix.Error, msg, fn -> 11 Mix.Tasks.Iex.run([]) 12 end 13 end) 14 end 15end 16