Packages

mix_test_watch

1.4.0
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.ex
Raw

lib/mix_test_watch.ex 

defmodule MixTestWatch do

  @moduledoc """

  Automatically run your Elixir project's tests each time you save a file.

  Because TDD is awesome.

  """



  use Application

  alias MixTestWatch.Watcher



  #

  # Public interface

  #



  @spec run([String.t()]) :: no_return

  def run(args \\ []) when is_list(args) do

    Mix.env(:test)

    put_config(args)

    :ok = Application.ensure_started(:file_system)

    :ok = Application.ensure_started(:mix_test_watch)

    Watcher.run_tasks()

    no_halt_unless_in_repl()

  end



  #

  # Application callback

  #



  def start(_type, _args) do

    children = [

      Watcher

    ]



    opts = [strategy: :one_for_one, name: Sup.Supervisor]

    Supervisor.start_link(children, opts)

  end



  #

  # Internal functions

  #



  defp put_config(args) do

    config = MixTestWatch.Config.new(args)

    Application.put_env(:mix_test_watch, :__config__, config, persistent: true)

  end



  defp no_halt_unless_in_repl do

    unless Code.ensure_loaded?(IEx) && IEx.started?() do

      :timer.sleep(:infinity)

    end

  end

end