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Use Commanded to build your own Elixir applications following the CQRS/ES pattern.
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test/event/event_handler_macro_test.exs
defmodule Commanded.Event.EventHandlerMacroTest do
use Commanded.StorageCase
alias Commanded.Event.IgnoredEvent
alias Commanded.Helpers.{EventFactory,ProcessHelper,Wait}
alias Commanded.ExampleDomain.BankAccount.Events.{BankAccountOpened,MoneyDeposited}
alias Commanded.ExampleDomain.BankAccount.AccountBalanceHandler
setup do
on_exit fn ->
ProcessHelper.shutdown(AccountBalanceHandler)
end
end
test "should handle published events" do
{:ok, handler} = AccountBalanceHandler.start_link()
recorded_events =
[
%BankAccountOpened{account_number: "ACC123", initial_balance: 1_000},
%MoneyDeposited{amount: 50, balance: 1_050},
%IgnoredEvent{name: "ignored"},
]
|> EventFactory.map_to_recorded_events()
send(handler, {:events, recorded_events})
Wait.until(fn ->
assert AccountBalanceHandler.current_balance == 1_050
end)
end
end