test-blockchain-block-test-1.ex

defmodule ExChain.Blockchain.BlockTest do
  @moduledoc """
  This module contains test related to a block
  """

  use ExUnit.Case
  alias ExChain.BlockChain.Block

  describe "block" do
    test "genesis is valid" do
      assert %Block{
               data: "genesis data",
               hash: "genesis-hash",
               last_hash: "-",
               timestamp: 1_599_909_623_805_627
             } == Block.genesis()
    end

    test "new give a new block when we pass the parameters" do
      # setup the data
      timestamp = DateTime.utc_now() |> DateTime.to_unix(1_000_000)
      data = "this is new block data"
      last_hash = "random_hash_last_block"
      
      assert %Block{timestamp: ^timestamp, hash: hash, last_hash: ^last_hash, data: ^data} =
               Block.new(timestamp, hash, last_hash, data)
    end
  end
end