liveview_article_sample_test.ex

defmodule MyViewTest do
  use MyAppWeb.ConnCase

  import Phoenix.LiveViewTest
  import Mock

  require MyView
  require MyDataFetcher

  test "it renders the fetched data", %{conn: conn} do
    response = "Hello There"

    with_mock MyDataFetcher,
      fetch: fn -> response end do
      {:ok, view, _html} = live_isolated(conn, MyView)

      assert render(view) =~ response
    end
  end
end