lasseebert

def update(conn, %{"id" => id, "user" => user_params}) do
  user = Repo.get!(User, id)
  changeset = User.changeset(user, user_params)

  case Repo.update(changeset) do
    {:ok, user} ->
      conn
      |> put_flash(:info, "User updated successfully.")
      |> redirect(to: user_path(conn, :show, user))
    {:error, changeset} ->

lasseebert

$ mix phoenix.new --no-html --no-brunch my_app
* creating my_app/config/config.exs
* creating my_app/config/dev.exs
* creating my_app/config/prod.exs
# ... more files here
* creating my_app/priv/static/js/phoenix.js
* creating my_app/priv/static/images/phoenix.png
* creating my_app/priv/static/favicon.ico

Fetch and install dependencies? [Yn]

lasseebert

defmodule MyApp.UserController.InviteTest do
  use MyApp.ConnCase

  test "inviting a user responds with the new user" do
    conn =
      build_conn
      |> post("/users", email: "alice@example.com")

    body = conn |> response(201) |> Poison.decode!

lasseebert

defmodule MyApp.UserController.InviteTest do
  use MyApp.ConnCase

  test "inviting a user responds with the new user" do
    conn =
      build_conn
      |> post("/users", email: "alice@example.com")

    body = conn |> response(201) |> Poison.decode!

lasseebert

$ mix test
...

  1) test inviting a user responds with the new user (MyApp.UserController.InviteTest)
     test/controllers/user_controller/invite_test.exs:4
     ** (RuntimeError) expected response with status 201, got: 404, with body:
     {"errors":{"detail":"Page not found"}}
     stacktrace:
       (phoenix) lib/phoenix/test/conn_test.ex:362: Phoenix.ConnTest.response/2
       test/controllers/user_controller/invite_test.exs:9: (test)

lasseebert

defmodule MyApp.Router do
  use MyApp.Web, :router

  pipeline :api do
    plug :accepts, ["json"]
  end

  scope "/", MyApp do
    pipe_through :api

lasseebert

$ mix test
Compiling 3 files (.ex)
...

  1) test inviting a user responds with the new user (MyApp.UserController.InviteTest)
     test/controllers/user_controller/invite_test.exs:4
     ** (UndefinedFunctionError) function MyApp.UserController.init/1 is undefined (module MyApp.UserController is not available)
     stacktrace:
       MyApp.UserController.init(:create)
       (my_app) web/router.ex:1: anonymous fn/1 in MyApp.Router.match_route/4

lasseebert

defmodule MyApp.UserController do
  use MyApp.Web, :controller

  def create(conn, _params) do
    conn
    |> resp(201, "{}")
  end
end

lasseebert

    body = conn |> response(201) |> Poison.decode!

    assert body["id"] > 0
    assert body["email"] == "alice@example.com"

lasseebert

$ mix test
Compiling 1 file (.ex)
Generated my_app app
...

  1) test inviting a user responds with the new user (MyApp.UserController.InviteTest)
     test/controllers/user_controller/invite_test.exs:4
     Assertion with == failed
     code: body["email"] == "alice@example.com"
     lhs:  nil