gistfile1.ex

defmodule ExFuture.HelperTest do
  use ExUnit.Case
  use ExFuture

  test "future block" do
    f = future do
      3 * 3
    end
    assert 9 == value(f)
  end

  test "parallel map with future/value macro using collection" do
    v = [1, 2, 3]
          |> Enum.map(future(&(&1 * 2)))
          |> Enum.map(&(value(&1)))
    assert v == [2, 4, 6]
  end
  

  test "map on future for async chaining" do
    i = 1
    f1 = future(i * 2)
    f2 = map(f1, &(&1 * 3))
    f3 = map(f2, &(&1 * 4))
    assert 24 == value(f3)
  end
end