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defmodule ResourceDiscoveryTest do
use ExUnit.Case
require Logger
defmodule TestEventHandler do
use GenEvent
def add_handler(parent), do: ResourceDiscovery.Event.add_handler(__MODULE__, [parent])
def remove_handler, do: ResourceDiscovery.Event.remove_handler(__MODULE__, [])
def handle_event(:resources_traded, [parent] = state) do
Logger.debug "sending resources traded"
send parent, :resources_traded
{ :ok, state }
end
end
setup do
TestEventHandler.add_handler(self)
on_exit fn ->
TestEventHandler.remove_handler
end
end
test "can add a local resource" do
assert :ok = ResourceDiscovery.add_target_resource_type(:test)
assert :ok = ResourceDiscovery.add_local_resource(:test, self)
assert :ok = ResourceDiscovery.trade_resources
assert_receive :resources_traded
assert { :ok, Set.put(HashSet.new, self) } == ResourceDiscovery.fetch_resources(:test)
end
end