SophieDeBenedetto

set +e

echo "Preparing to run migrations"

while true; do
  nodetool ping
  EXIT_CODE=$?
  if [ $EXIT_CODE -eq 0 ]; then
    echo "Application is up!"
    break

SophieDeBenedetto

# rel/config.exs
use Mix.Releases.Config,
 default_release: :default,
 default_environment: Mix.env()
…
environment :prod do
 set include_erts: true
 set include_src: false
 set post_start_hooks: "rel/hooks/post_start"
 set cookie: :"~AP{<;FKd_!~gObmS]h.HBYU4z&[1p(>tvCXo`I1qo*ZDVM)f0c>Slw~`R.47O]C"

SophieDeBenedetto

defmodule GithubClient do
  @base_url "https://api.github.com/v3"
  
  def create_repo(params) do
    HTTPoison.post(@base_url <> "/repos", params, headers)
    |> handle_response
  end
  
  defp handle_response(resp) do
    case resp do

SophieDeBenedetto

defmodule GithubClient.Test do
  use ExUnit.Case, async: false
  import GithubRepo
  import Mock
  @create_repo_params %{name: "my-new-repo"}

  test_with_mock "create_repo when success", HTTPoison,
    [post: fn("repos", @create_repo_params, _headers) ->
      %HTTPoison.Response{body: %{name: "my-new-repo", id: 1}, headers: _list, request_url: _url, status_code: 200} end] do

SophieDeBenedetto

defp deps do
  [
   {:dialyxir, "~> 0.5", only: [:dev], runtime: false},
   {:httpoison, "~> 1.0"},
   {:plug_cowboy, "~> 2.0"}
  ]
end

SophieDeBenedetto

# mix.exs
def application do
  [
    extra_applications: [:logger],
    mod: {GithubClient.Application, [env: Mix.env]},
    applications: applications(Mix.env)
  ]
end

defp applications(:test), do: applications(:default) ++ [:cowboy, :plug]

SophieDeBenedetto

# lib/github_client/mock_server.ex

defmodule GithubClient.MockServer do
  use GenServer
  alias GithubClient.MockServer.GithubApiMockController

  def init(args) do
   {:ok, args}
  end

SophieDeBenedetto

# lib/github_client/mock_server.ex
defmodule GithubClient.MockServer do
  use Plug.Router
end

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# lib/github_client/application.ex
...
def start(_type, args) do
  children = case args do
    [env: :prod] -> []
    [env: :test] -> [{Plug.Cowboy, scheme: :http, plug: GithubClient.MockServer, options: [port: 8081]}]
    [env: :dev] -> []
    [_] -> []
  end

SophieDeBenedetto

defmodule GithubClient.MockServer do
  use Plug.Router
  plug Plug.Parsers, parsers: [:json],
                    pass:  ["text/*"],
                    json_decoder: Poison

  plug :match
  plug :dispatch
end