Update the API Authentication.

test/link_shortener_web/controllers/api/v1/accounts_controller_test.exs

@@ -0,0 +1,71 @@
+defmodule LinkShortenerWeb.Api.V1.AccountsControllerTest do
+  use LinkShortenerWeb.ConnCase
+
+  import LinkShortener.AccountsFixtures
+
+  alias LinkShortener.Accounts.User
+
+  @create_attrs %{
+    email: "user@mail.com",
+    password: "some password"
+  }
+
+  @update_attrs %{
+    email: "some updated email",
+    password: "some updated password"
+  }
+
+  @invalid_password_attrs %{
+    email: "user@mail.com",
+    password: ""
+  }
+
+  @invalid_attrs %{
+    email: nil,
+    encrypted_password: nil
+  }
+
+  setup %{conn: conn} do
+    {:ok, conn: put_req_header(conn, "accept", "application/json")}
+  end
+
+  describe "create user with sign up" do
+    test "renders user when data is valid", %{conn: conn} do
+      conn = post(conn, ~p"/api/v1/users/sign_up", user: @create_attrs)
+      assert %{
+	"email" => "user@mail.com",
+	"token" => token
+      } = json_response(conn, 201)
+    end
+
+    test "renders errors when data is invalid", %{conn: conn} do
+      conn = post(conn, ~p"/api/v1/users/sign_up", user: @invalid_attrs)
+      assert json_response(conn, 422)["errors"] != %{}
+    end
+  end
+
+  describe "user sign in" do
+    setup [:create_user]
+
+    test "renders user when data is valid", %{conn: conn} do
+      conn = post(conn, ~p"/api/v1/users/sign_in", @create_attrs)
+
+      assert %{
+	"email" => email,
+	"token" => token,
+      } = json_response(conn, 201)
+    end
+
+    test "renders errors when data is invalid", %{conn: conn} do
+      conn = post(conn, ~p"/api/v1/users/sign_in", @invalid_password_attrs)
+      assert %{
+	"errors" => %{"detail" => "Unauthorized"}
+      } = json_response(conn, 401)
+    end
+  end
+
+  defp create_user(_) do
+    user = user_fixture(@create_attrs)
+    %{user: user}
+  end
+end

test/support/fixtures/accounts_fixtures.ex

@@ -4,6 +4,13 @@ defmodule LinkShortener.AccountsFixtures do
   entities via the `LinkShortener.Accounts` context.
   """
 
+  alias LinkShortener.Accounts
+  alias LinkShortener.Accounts.User
+  alias LinkShortenerWeb.Auth.Guardian
+
+  @doc """
+  Generate a unique user email.
+  """
   def unique_user_email, do: "user#{System.unique_integer()}@example.com"
   def valid_user_password, do: "hello world!"
 
@@ -23,6 +30,18 @@ defmodule LinkShortener.AccountsFixtures do
     user
   end
 
+  def user_token_fixture(attrs \\ %{}) do
+    user_params = %{
+      email: "user@mail.com",
+      password: "some password"
+    }
+
+    {:ok, %User{} = user} = Accounts.register_user(user_params)
+    {:ok, token, _claims} = Guardian.encode_and_sign(user)
+
+    token
+  end
+
   def extract_user_token(fun) do
     {:ok, captured_email} = fun.(&"[TOKEN]#{&1}[TOKEN]")
     [_, token | _] = String.split(captured_email.text_body, "[TOKEN]")