pipeline_2.ex

test "/index returns a list of contacts" do
  contacts_as_json =
    %Contact{name: "Gumbo", phone: "(801) 555-5555"}
      |> Repo.insert
      |> List.wrap
      |> Poison.encode!

  response = conn(:get, "/api/contacts") |> send_request

  assert response.status == 200
  assert response.resp_body == contacts_as_json
end