command_test.exs

defmodule Zwave.Command.Test do
  use ExUnit.Case, async: true
  alias Zwave.Command

  test "A non matching type passes through when deserialized" do
    thing = make_ref()
    assert thing == Command.Deserializable.deserialize(thing)
  end

  test "A binary being serialized should be the same" do
    binary = <<Enum.random(1..255)>>
    assert binary == Command.Serializable.serialize(binary)
  end

  test "Serializing something that we don't know how to serialize" do
    error = catch_error(Command.Serializable.serialize(:bad))

    assert %Protocol.UndefinedError{} == error
  end
end