Implement tests for token creation

lib/hostas/denizen.ex

@@ -24,7 +24,8 @@ defmodule Hostas.Denizen do
 
   # Hash the password
   defp hash_password(%Ecto.Changeset{valid?: true, changes: %{password: password}} = changeset) do
-    change(changeset, Bcrypt.add_hash(password))
+    %{password_hash: hash} = Bcrypt.add_hash(password)
+    change(changeset, password: hash)
   end
   defp hash_password(changeset), do: changeset
 end

lib/hostas_web/controllers/auth/token_controller.ex

@@ -50,8 +50,7 @@ defmodule HostasWeb.Auth.TokenController do
   def create(conn, params) do
     conn
     |> put_status(422)
-    |> json(params)
-    # |> json(%{"error" => "Missing required parameters"})
+    |> json(%{"error" => "Missing required parameters"})
   end
 
   @doc """

test/hostas_web/controllers/auth/token_controller_test.exs

@@ -0,0 +1,39 @@
+defmodule HostasWeb.Auth.TokenControllerTest do
+  use HostasWeb.ConnCase
+
+  # For testing with Ecto
+  alias Hostas.Repo
+
+  alias Hostas.Denizen
+
+  @denizen_data %{handle: "testuser", name: "Test User", password: "password"}
+
+  defp create_denizen, do: Repo.insert!(Denizen.changeset(%Denizen{}, @denizen_data))
+
+  describe "token create" do
+    test "creates a token", %{conn: conn} do
+      create_denizen()
+
+      conn = post(conn, ~p"/hostapi/auth/token", %{handle: "testuser", password: "password"})
+      assert Map.has_key?(json_response(conn, 201), "token")
+      assert Map.has_key?(json_response(conn, 201), "expires")
+    end
+
+    test "fails due to password mismatch", %{conn: conn} do
+      create_denizen()
+
+      conn = post(conn, ~p"/hostapi/auth/token", %{handle: "testuser", 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"})
+      assert json_response(conn, 404)["error"] == "No user with handle testuser"
+    end
+
+    test "fails due to missing fields", %{conn: conn} do
+      conn = post(conn, ~p"/hostapi/auth/token", %{password: "password"})
+      assert json_response(conn, 422)["error"] == "Missing required parameters"
+    end
+  end
+end

test/support/conn_case.ex

@@ -33,6 +33,7 @@ defmodule HostasWeb.ConnCase do
 
   setup tags do
     Hostas.DataCase.setup_sandbox(tags)
+
     {:ok, conn: Phoenix.ConnTest.build_conn()}
   end
 end