nix: split integration test

For adding tests for fpkg.

Signed-off-by: Ophestra <cat@gensokyo.uk>

tests/fortify/default.nix

@@ -0,0 +1,51 @@
+{
+  system,
+  self,
+  nixosTest,
+  writeShellScriptBin,
+}:
+
+nixosTest {
+  name = "fortify";
+  nodes.machine = {
+    environment.systemPackages = [
+      # For go tests:
+      self.packages.${system}.fhs
+      (writeShellScriptBin "fortify-src" "echo -n ${self.packages.${system}.fortify.src}")
+    ];
+
+    # Run with Go race detector:
+    environment.fortify.package =
+      let
+        inherit (self.packages.${system}) fortify;
+      in
+      fortify.overrideAttrs (previousAttrs: {
+        GOFLAGS = previousAttrs.GOFLAGS ++ [ "-race" ];
+
+        # fsu does not like cgo
+        disallowedReferences = previousAttrs.disallowedReferences ++ [ fortify ];
+        postInstall =
+          previousAttrs.postInstall
+          + ''
+            cp -a "${fortify}/libexec/fsu" "$out/libexec/fsu"
+            sed -i 's:${fortify}:${placeholder "out"}:' "$out/libexec/fsu"
+          '';
+      });
+
+    imports = [
+      ./configuration.nix
+
+      self.nixosModules.fortify
+      self.inputs.home-manager.nixosModules.home-manager
+    ];
+  };
+
+  # adapted from nixos sway integration tests
+
+  # testScriptWithTypes:49: error: Cannot call function of unknown type
+  #           (machine.succeed if succeed else machine.execute)(
+  #           ^
+  # Found 1 error in 1 file (checked 1 source file)
+  skipTypeCheck = true;
+  testScript = builtins.readFile ./test.py;
+}