From b85fb5ea6f8640afe8a15dfa9f146963e42867d7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Alexandru=20Scvor=C8=9Bov?= <code@scvalex.net>
Date: Thu, 6 Nov 2025 16:36:51 +0000
Subject: [PATCH] Fix tests in nix and re-enable

---
 nix/pkgs/main/default.nix | 21 +++++++++++++++++++--
 1 file changed, 19 insertions(+), 2 deletions(-)

diff --git a/nix/pkgs/main/default.nix b/nix/pkgs/main/default.nix
index 311c4c91..edaabf65 100644
--- a/nix/pkgs/main/default.nix
+++ b/nix/pkgs/main/default.nix
@@ -202,8 +202,25 @@ craneLib.buildPackage ( commonAttrs // {
     env = buildDepsOnlyEnv;
   });
 
-  # Disabled due to integration test failing to find /etc/resolv.conf
-  doCheck = false;
+  nativeCheckInputs = [
+    pkgsBuildHost.libredirect.hook
+  ];
+
+  preCheck =
+    let
+      fakeResolvConf = pkgsBuildHost.writeTextFile {
+        name = "resolv.conf";
+        text = ''
+          nameserver 0.0.0.0
+        '';
+      };
+    in
+    ''
+      export NIX_REDIRECTS="/etc/resolv.conf=${fakeResolvConf}"
+      export TUWUNEL_DATABASE_PATH="$(mktemp -d)/smoketest.db"
+    '';
+  doCheck = true;
+
   doBenchmark = false;
 
   cargoExtraArgs = "--no-default-features --locked "