tests: Refactor

flake-parts/tests.nix

@@ -5,22 +5,28 @@
     let
       mkTest = dir: rec {
         name = "${dir}-test";
-        value = pkgs.testers.runNixOSTest (
-          {
-            inherit name;
-          }
-          // import "${self}/tests/${dir}" {
-            inherit
-              inputs
-              self
-              pkgs
-              lib
-              ;
-          }
-        );
+        value = pkgs.testers.runNixOSTest {
+          inherit name;
+          imports = [ "${self}/tests/${dir}" ];
+          node.specialArgs = { inherit inputs self; };
+          defaults =
+            { nodes, ... }:
+            {
+              imports = [ self.nixosModules.default ];
+              _module.args.allHosts = nodes |> lib.mapAttrs (_: node: { config = node; });
+              users = {
+                mutableUsers = false;
+                users.seb = {
+                  isNormalUser = true;
+                  password = "seb";
+                };
+              };
+              custom.networking.underlay.interface = "eth1";
+            };
+        };
       };
     in
     {
-      checks = "${self}/tests" |> builtins.readDir |> lib.attrNames |> lib.map mkTest |> lib.listToAttrs;
+      checks = "${self}/tests" |> self.lib.listDirectoryNames |> lib.map mkTest |> lib.listToAttrs;
     };
 }