Test the modules on macos and linux

.github/workflows/test.yml

@@ -0,0 +1,36 @@
+name: Build Test
+
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - "*"
+    tags:
+      - "v*.*.*"
+  pull_request:
+    types:
+      - opened
+      - reopened
+      - synchronize
+      - labeled
+
+jobs:
+  build:
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest]
+    runs-on: ${{ matrix.os }}
+    permissions:
+      contents: read
+      id-token: write
+    steps:
+      - uses: actions/checkout@v4
+      - uses: DeterminateSystems/nix-installer-action@main
+      - uses: DeterminateSystems/magic-nix-cache-action@main
+      - run: |
+          set -eux
+
+          cd tests
+          rm -f flake.lock
+          nix flake lock
+          nix flake check

tests/flake.nix

@@ -40,7 +40,7 @@
       ];
     });
 
-    checks.aarch64-darwin.nix-darwin = nix-darwin.lib.darwinSystem {
+    checks.aarch64-darwin.nix-darwin = (nix-darwin.lib.darwinSystem {
       system = "aarch64-darwin";
 
       modules = [
@@ -50,6 +50,6 @@
           ];
         })
       ];
-    };
+    }).system;
   };
 }