Implement tests for all token actions

lib/hostas/denizen.ex

@@ -27,5 +27,6 @@ defmodule Hostas.Denizen do
     %{password_hash: hash} = Bcrypt.add_hash(password)
     change(changeset, password: hash)
   end
+
   defp hash_password(changeset), do: changeset
 end

lib/hostas/token.ex

@@ -29,15 +29,18 @@ defmodule Hostas.Token do
   end
 
   @doc """
-  Creates a token
+  Creates a token for denizen with the id `denizen_id` that expires in
+  `duration` days.
   """
-  def new(denizen_id) do
+  def new(denizen_id, duration \\ @duration_days) do
     # Create a random token
     token = Base.encode64(:crypto.strong_rand_bytes(256))
 
     # Calculate the time of expiry
     {:ok, time_now} = DateTime.now("Etc/UTC")
-    expiry = DateTime.add(time_now, @duration_days, :day)
+
+    expiry =
+      DateTime.add(time_now, duration, :day)
       |> DateTime.truncate(:second)
 
     # Register the token

lib/hostas_web/controllers/auth/token_controller.ex

@@ -11,9 +11,11 @@ defmodule HostasWeb.Auth.TokenController do
   provides the correct password
   """
   def create(conn, %{"handle" => handle, "password" => given_password}) do
-    case Repo.one(from d in Denizen,
+    case Repo.one(
+           from d in Denizen,
              where: d.handle == ^handle,
-                  select: %{id: d.id, password: d.password}) do
+             select: %{id: d.id, password: d.password}
+         ) do
       nil ->
         conn
         |> put_status(404)

lib/hostas_web/router.ex

@@ -26,8 +26,8 @@ defmodule HostasWeb.Router do
     # create, verify, renew, revoke
     post "/auth/token", Auth.TokenController, :create
     get "/auth/token", Auth.TokenController, :verify
-    delete "/auth/token", Auth.TokenController, :revoke
-    get "/auth/token/renew", Auth.TokenController, :renew
+    delete "/auth/token/:id", Auth.TokenController, :revoke
+    get "/auth/token/:id/renew", Auth.TokenController, :renew
   end
 
   # Enable LiveDashboard and Swoosh mailbox preview in development

test/hostas_web/controllers/auth/token_controller_test.exs

@@ -2,19 +2,23 @@ defmodule HostasWeb.Auth.TokenControllerTest do
   use HostasWeb.ConnCase
 
   # For testing with Ecto
+  import Ecto.Query, only: [from: 2]
   alias Hostas.Repo
 
   alias Hostas.Denizen
+  alias Hostas.Token
 
-  @denizen_data %{handle: "testuser", name: "Test User", password: "password"}
-
-  defp create_denizen, do: Repo.insert!(Denizen.changeset(%Denizen{}, @denizen_data))
+  defp create_denizen(handle \\ "denizen") do
+    Repo.insert!(
+      Denizen.changeset(%Denizen{}, %{handle: handle, name: "Test Denizen", password: "password"})
+    )
+  end
 
   describe "token create" do
     test "creates a token", %{conn: conn} do
       create_denizen()
 
-      conn = post(conn, ~p"/hostapi/auth/token", %{handle: "testuser", password: "password"})
+      conn = post(conn, ~p"/hostapi/auth/token", %{handle: "denizen", password: "password"})
       assert Map.has_key?(json_response(conn, 201), "token")
       assert Map.has_key?(json_response(conn, 201), "expires")
     end
@@ -22,12 +26,12 @@ defmodule HostasWeb.Auth.TokenControllerTest do
     test "fails due to password mismatch", %{conn: conn} do
       create_denizen()
 
-      conn = post(conn, ~p"/hostapi/auth/token", %{handle: "testuser", password: "incorrect"})
+      conn = post(conn, ~p"/hostapi/auth/token", %{handle: "denizen", password: "incorrect"})
       assert json_response(conn, 401)["error"] == "Password mismatch"
     end
 
     test "fails due to non-existant denizen", %{conn: conn} do
-      conn = post(conn, ~p"/hostapi/auth/token", %{handle: "testuser", password: "password"})
+      conn = post(conn, ~p"/hostapi/auth/token", %{handle: "denizen", password: "password"})
       assert json_response(conn, 404)["error"] == "No user with handle testuser"
     end
 
@@ -36,4 +40,113 @@ defmodule HostasWeb.Auth.TokenControllerTest do
       assert json_response(conn, 422)["error"] == "Missing required parameters"
     end
   end
+
+  describe "token verification" do
+    test "succeeds", %{conn: conn} do
+      {:ok, struct} = Token.new(create_denizen().id)
+
+      conn =
+        conn
+        |> put_req_header("authorization", "Bearer #{struct.token}")
+        |> get(~p"/hostapi/auth/token")
+
+      assert Map.has_key?(json_response(conn, 200), "expires")
+    end
+
+    test "fails because of expiry", %{conn: conn} do
+      {:ok, struct} = Token.new(create_denizen().id, -10)
+
+      conn =
+        conn
+        |> put_req_header("authorization", "Bearer #{struct.token}")
+        |> get(~p"/hostapi/auth/token")
+
+      assert json_response(conn, 401)["error"] == "Token expired"
+    end
+
+    test "fails because of unrecognized credentials", %{conn: conn} do
+      conn =
+        conn
+        |> put_req_header("authorization", "Bearer unknown_credential")
+        |> get(~p"/hostapi/auth/token")
+
+      assert json_response(conn, 200)["error"] == "Token expired"
+    end
+  end
+
+  describe "token revocation" do
+    test "succeeds", %{conn: conn} do
+      {:ok, struct} = Token.new(create_denizen().id)
+
+      conn =
+        conn
+        |> put_req_header("authorization", "Bearer #{struct.token}")
+        |> delete(~p"/hostapi/auth/token/#{struct.id}")
+
+      assert json_response(conn, 200)
+    end
+
+    test "fails because it's someone else's token", %{conn: conn} do
+      {:ok, struct1} = Token.new(create_denizen("denizen1").id)
+      {:ok, struct2} = Token.new(create_denizen("denizen2").id)
+
+      conn =
+        conn
+        |> put_req_header("authorization", "Bearer #{struct1.token}")
+        |> delete(~p"/hostapi/auth/token/#{struct2.id}")
+
+      assert json_response(conn, 404)["error"] == "Token not found"
+    end
+
+    test "fails because the token doesn't exist", %{conn: conn} do
+      {:ok, struct} = Token.new(create_denizen().id)
+
+      conn =
+        conn
+        |> put_req_header("authorization", "Bearer #{struct.token}")
+        |> delete(~p"/hostapi/auth/token/#{struct.id + 1}")
+
+      assert json_response(conn, 404)["error"] == "Token not found"
+    end
+  end
+
+  describe "token renewal" do
+    test "succeeds", %{conn: conn} do
+      {:ok, struct} = Token.new(create_denizen().id)
+
+      conn =
+        conn
+        |> put_req_header("authorization", "Bearer #{struct.token}")
+        |> get(~p"/hostapi/auth/token/${struct.id}/renew")
+
+      assert Map.has_key?(json_response(conn, 200), "token")
+      assert Map.has_key?(json_response(conn, 200), "expires")
+      assert not Repo.exists?(from t in Token, where: t.id == ^struct.id)
+    end
+
+    test "fails because it's not the user's token", %{conn: conn} do
+      {:ok, struct1} = Token.new(create_denizen("denizen1").id)
+      {:ok, struct2} = Token.new(create_denizen("denizen2").id)
+
+      conn =
+        conn
+        |> put_req_header("authorization", "Bearer #{struct1.token}")
+        |> get(~p"/hostapi/auth/token/#{struct2.id}/renew")
+
+      assert json_response(conn, 404)["error"] == "Token not found"
+      assert Repo.exists?(from t in Token, where: t.id == ^struct2.id)
+    end
+
+    test "fails because it doesn't exist", %{conn: conn} do
+      {:ok, struct} = Token.new(create_denizen().id)
+
+      conn =
+        conn
+        |> put_req_header("authorization", "Bearer #{struct.token}")
+        |> get(~p"/hostapi/auth/token/#{struct.id + 1}/renew")
+
+      assert json_response(conn, 404)["error"] == "Token not found"
+      assert Repo.exists?(from t in Token, where: t.id == ^struct.id)
+    end
+  end
 end