impersonate_ex

pretend to be a gen_server, etc

Why?

We often want to test message passing in our code. impersonate_ex implements the same interfaces as your OTP components allowing you to swap in your own mock handlers to intimately test the protocols and handling in your components.

Installation

def deps do
  [{:impersonate, "~> 0.1.0", github: "wistia/impersonate_ex"}]
end

Usage

require Impersonate.GenServer

test "do thing" do
  parent = self()
  spawn_link fn -> :ok = GenServer.call(parent, :do_thing) end
  Impersonate.GenServer.handle_call(fn :do_thing -> :ok end)
end