add package tests

flake.nix

@@ -59,8 +59,42 @@
           buildInputs = with pkgs; [
             openssl
             zstd
+            # Required for running tests with native windowing support
+            libxkbcommon
+            libGL
+            wayland
+            xorg.libX11
+            xorg.libXcursor
+            xorg.libXi
+            xorg.libXrandr
           ];
 
+          # Run all tests on native target before building wasm
+          # Note: Tests run without --release because the release profile uses
+          # panic=abort which is incompatible with the test harness.
+          checkPhase =
+            let
+              libPath = pkgs.lib.makeLibraryPath (
+                with pkgs;
+                [
+                  libxkbcommon
+                  libGL
+                  wayland
+                  xorg.libX11
+                  xorg.libXcursor
+                  xorg.libXi
+                  xorg.libXrandr
+                ]
+              );
+            in
+            ''
+              runHook preCheck
+              export HOME=$TMPDIR
+              export LD_LIBRARY_PATH="${libPath}:$LD_LIBRARY_PATH"
+              cargo test --workspace --features native-test
+              runHook postCheck
+            '';
+
           buildPhase = ''
             runHook preBuild
 
@@ -81,7 +115,7 @@
             runHook postInstall
           '';
 
-          doCheck = false;
+          doCheck = true;
         };
 
         # Final web package with wasm-bindgen processing