feat(server): Server.Auth.verify_password/1

server/test/server/auth_test.exs

@@ -0,0 +1,28 @@
+defmodule Server.AuthTest do
+  use ExUnit.Case, async: true
+
+  alias Server.Auth
+
+  setup do
+    hash = Argon2.hash_pwd_salt("testpass")
+    prev = Application.get_env(:server, :dashboard_password_hash)
+    Application.put_env(:server, :dashboard_password_hash, hash)
+    on_exit(fn -> Application.put_env(:server, :dashboard_password_hash, prev) end)
+    :ok
+  end
+
+  describe "verify_password/1" do
+    test "returns :ok for correct password" do
+      assert Auth.verify_password("testpass") == :ok
+    end
+
+    test "returns :error for wrong password" do
+      assert Auth.verify_password("wrong") == :error
+    end
+
+    test "returns :error for non-binary input" do
+      assert Auth.verify_password(nil) == :error
+      assert Auth.verify_password(123) == :error
+    end
+  end
+end