Add nixos integration tests

.github/workflows/book.yml

@@ -0,0 +1,39 @@
+name: Deploy book
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  deploy-book:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+      pages: write
+      id-token: write
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: Install latest mdbook
+        run: |
+          tag="$(curl 'https://api.github.com/repos/rust-lang/mdbook/releases/latest' | jq -r '.tag_name')"
+          url="https://github.com/rust-lang/mdbook/releases/download/${tag}/mdbook-${tag}-x86_64-unknown-linux-gnu.tar.gz"
+          mkdir mdbook
+          curl -sSL "$url" | tar -xz --directory=./mdbook
+          echo "$(pwd)/mdbook" >> "$GITHUB_PATH"
+      - name: Build Book
+        run: |
+          cd book
+          mdbook build
+      - name: Setup Pages
+        uses: actions/configure-pages@v4
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v3
+        with:
+          # Upload entire repository
+          path: 'book'
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v4

.github/workflows/ci.yml

@@ -1,16 +1,14 @@
 name: Run tests
 
 on:
-  push:
-    branches: [ "main" ]
   pull_request:
-    branches: [ "main" ]
+  push:
 
 env:
   CARGO_TERM_COLOR: always
 
 jobs:
-  build:
+  tests:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4

.github/workflows/nix.yml

@@ -0,0 +1,29 @@
+name: Run nix tests
+
+on:
+  pull_request:
+  push:
+
+jobs:
+  nix-tests:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - uses: cachix/install-nix-action@v31
+      with:
+        enable_kvm: true
+        extra_nix_config: "system-features = nixos-test benchmark big-parallel kvm"
+    - uses: cachix/cachix-action@v16
+      with:
+        name: codlab
+        authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
+        extraPullNames: nix-community
+    - run: nix develop -c just ci
+    - uses: actions/upload-artifact@v4
+      if: always()
+      with:
+        name: video-recordings
+        path: ci-output
+        if-no-files-found: error
+        # videos are already compressed
+        compression-level: 0

.gitignore

@@ -3,3 +3,9 @@
 test.md
 /editors/vscode/lsp-sample-1.0.0.vsix
 book/book
+.nixos-test-history
+result
+*.png
+*.mkv
+ci-output
+.pre-commit-config.yaml

.helix/languages.toml

@@ -4,5 +4,4 @@ name = "markdown"
 
 [language-server.codlab]
 command = "cargo"
-args = ["run", "-q", "--bin", "client"]
-
+args = ["run", "-q", "--bin", "client", "--", "ws://127.0.0.1:7575"]

.lazy.lua

@@ -5,7 +5,7 @@ local configs = require('lspconfig.configs')
 if not configs.codlab then
   configs.codlab = {
     default_config = {
-      cmd = { 'cargo', 'run', '-q', '--bin', 'client' },
+      cmd = { 'cargo', 'run', '-q', '--bin', 'client', '--', 'ws://127.0.0.1:7575' },
       filetypes = { '*' },
       root_dir = lspconfig.util.root_pattern("Cargo.toml", ".git"),
       settings = {}, -- Add any server-specific settings here