floof/test/floof_test.exs

defmodule FloofTest do
  use ExUnit.Case
  doctest Floof

  test "SessionManager basic" do
    cur = self()
    spawn_link(fn ->
      Floof.SessionManager.push(:a, 0)
      Floof.SessionManager.push(:a, 2)
      Floof.SessionManager.push(:a, 3)

      assert Floof.SessionManager.pop(:a) == {:value, 0}
      assert Floof.SessionManager.pop(:a) == {:value, 2}
      assert Floof.SessionManager.pop(:a) == {:value, 3}
      assert Floof.SessionManager.pop(:a) == :empty
      send cur, :done
    end)

    spawn_link(fn ->
      Floof.SessionManager.push(:b, 50)
      Floof.SessionManager.push(:b, 12)
      Floof.SessionManager.push(:b, 1)

      assert Floof.SessionManager.pop(:b) == {:value, 50}
      assert Floof.SessionManager.pop(:b) == {:value, 12}
      assert Floof.SessionManager.pop(:b) == {:value, 1}
      assert Floof.SessionManager.pop(:b) == :empty
      send cur, :done
    end)

    for _ <- [1,2] do
      receive do
        :done -> nil
      end
    end
  end
end