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Use Commanded to build your own Elixir applications following the CQRS/ES pattern.

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commanded test aggregates aggregate_lifespan_test.exs
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test/aggregates/aggregate_lifespan_test.exs 

defmodule Commanded.Aggregates.AggregateLifespanTest do

  use Commanded.StorageCase



  alias Commanded.Aggregates.BankRouter

  alias Commanded.ExampleDomain.BankAccount

  alias Commanded.ExampleDomain.BankAccount.Commands.{

    OpenAccount,

    DepositMoney,

    WithdrawMoney,

  }

  alias Commanded.Registration



  describe "aggregate started" do

    setup do

      aggregate_uuid = UUID.uuid4



      {:ok, ^aggregate_uuid} = Commanded.Aggregates.Supervisor.open_aggregate(BankAccount, aggregate_uuid)



      pid = Registration.whereis_name({BankAccount, aggregate_uuid})

      ref = Process.monitor(pid)



      %{aggregate_uuid: aggregate_uuid, ref: ref}

    end



    test "should shutdown after timeout", %{aggregate_uuid: aggregate_uuid, ref: ref} do

      :ok = BankRouter.dispatch(%OpenAccount{account_number: aggregate_uuid, initial_balance: 10})



      assert_receive {:DOWN, ^ref, :process, _, :normal}, 10

    end



    test "should not shutdown if next command executed", %{aggregate_uuid: aggregate_uuid, ref: ref} do

      :ok = BankRouter.dispatch(%OpenAccount{account_number: aggregate_uuid, initial_balance: 10})

      :ok = BankRouter.dispatch(%DepositMoney{account_number: aggregate_uuid, amount: 10})



      refute_receive {:DOWN, ^ref, :process, _, :normal}, 10

      assert_receive {:DOWN, ^ref, :process, _, :normal}, 30

    end



    test "should use default lifespan when it's not specified'", %{aggregate_uuid: aggregate_uuid, ref: ref} do

      :ok = BankRouter.dispatch(%OpenAccount{account_number: aggregate_uuid, initial_balance: 10})

      :ok = BankRouter.dispatch(%WithdrawMoney{account_number: aggregate_uuid, amount: 10})



      refute_receive {:DOWN, ^ref, :process, _, :normal}, 30

    end

  end

end