From 4aeafc6b63fbf9b0207ce51a3bbf0bc81c807115 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B6rg=20Thalheim?= <joerg@thalheim.io>
Date: Fri, 5 Apr 2019 02:27:05 +0100
Subject: [PATCH] tests/pdns-recursor: use waitForOpenPort as port check

This should be safer w.r.t. race conditions.
---
 nixos/tests/pdns-recursor.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/nixos/tests/pdns-recursor.nix b/nixos/tests/pdns-recursor.nix
index fb24cfc72f1..bf6e6093d69 100644
--- a/nixos/tests/pdns-recursor.nix
+++ b/nixos/tests/pdns-recursor.nix
@@ -1,4 +1,4 @@
-import ./make-test.nix ({ pkgs, lib, ... }: {
+import ./make-test.nix ({ pkgs, ... }: {
   name = "powerdns";
 
   nodes.server = { ... }: {
@@ -7,6 +7,6 @@ import ./make-test.nix ({ pkgs, lib, ... }: {
 
   testScript = ''
     $server->waitForUnit("pdns-recursor");
-    $server->succeed("echo | ${lib.getBin pkgs.netcat}/bin/nc -v localhost 53")
+    $server->waitForOpenPort("53");
   '';
 })