From ce5093b7872009c27070520e48f460a2e16e6e6f Mon Sep 17 00:00:00 2001
From: Robert Scott <code@humanleg.org.uk>
Date: Sun, 25 Sep 2022 21:40:28 +0100
Subject: [PATCH] bind: enable unit tests

---
 pkgs/servers/dns/bind/default.nix | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/pkgs/servers/dns/bind/default.nix b/pkgs/servers/dns/bind/default.nix
index 2047436d8ce6..952ef5690201 100644
--- a/pkgs/servers/dns/bind/default.nix
+++ b/pkgs/servers/dns/bind/default.nix
@@ -4,6 +4,7 @@
 , enablePython ? false, python3
 , enableGSSAPI ? true, libkrb5
 , buildPackages, nixosTests
+, cmocka, tzdata
 }:
 
 stdenv.mkDerivation rec {
@@ -59,8 +60,18 @@ stdenv.mkDerivation rec {
     EOF
   '';
 
-  doCheck = false; # requires root and the net
   enableParallelBuilding = true;
+  doCheck = !stdenv.hostPlatform.isStatic;
+  checkTarget = "unit";
+  checkInputs = [
+    cmocka
+  ] ++ lib.optionals (!stdenv.hostPlatform.isMusl) [
+    tzdata
+  ];
+  preCheck = lib.optionalString stdenv.hostPlatform.isMusl ''
+    # musl doesn't respect TZDIR, skip timezone-related tests
+    sed -i '/^ISC_TEST_ENTRY(isc_time_formatISO8601L/d' tests/isc/time_test.c
+  '';
 
   passthru.tests = {
     inherit (nixosTests) bind;