Packages

mix_test_watch

0.3.0
1.4.0 1.3.0 1.2.0 1.1.2 1.1.1 1.1.0 1.0.3 1.0.2 1.0.1 1.0.0 retired 0.9.0 0.8.0 0.7.0 0.6.0 0.5.0 0.4.1 0.4.0 0.3.3 0.3.2 0.3.1 0.3.0 0.2.6 0.2.5 0.2.4 0.2.3 0.2.2 0.2.1 0.2.0 0.1.2 0.1.1 0.1.0 0.0.2 0.0.1

Automatically run tests when files change

HexDocs

Current section

Files

Jump to
Readme
33 Versions
1 Dependency
Dependants
Files
Activity
mix_test_watch lib mix_test_watch watcher.ex
Raw

lib/mix_test_watch/watcher.ex 

defmodule MixTestWatch.Watcher do

  use GenServer



  alias MixTestWatch, as: MTW

  alias MixTestWatch.Config



  @moduledoc """

  A server that runs tests whenever source files change.

  """



  #

  # Client API

  #



  def start_link do

    GenServer.start_link(__MODULE__, [], name: __MODULE__)

  end



  def run_tasks do

    GenServer.cast(__MODULE__, :run_tasks)

  end





  #

  # Genserver callbacks

  #



  @spec init(String.t) :: {:ok, %{ args: String.t}}



  def init(_) do

    :ok = :fs.subscribe

    {:ok, []}

  end



  def handle_cast(:run_tasks, state) do

    config = get_config()

    MTW.Runner.run(config)

    {:noreply, state}

  end



  def handle_info({_pid, {:fs, :file_event}, {path, _event}}, state) do

    config = get_config()

    path   = to_string(path)

    MTW.Runner.run(path, config)

    MTW.MessageInbox.flush

    {:noreply, state}

  end





  #

  # Internal functions

  #



  @spec get_config() :: %Config{}



  defp get_config do

    Application.get_env(:mix_test_watch, :__config__, %Config{})

  end

end