Write Some Basic Tests

Elixir comes with a wonderful and simple testing framework called ExUnit.

Have a look at this code:

defmodule IssuesTest do
  use ExUnit.Case
  doctest Issues

  test "greets the world" do
    assert Issues.hello() == :world
  end
end

It acts as a template for all the test files we write. We just copy and paste the boilerplate into separate test files as we need them. So, ...