Change testing framework to busted

Reason: folke and echasnovski both use this.

.github/workflows/tests.yml

@@ -24,11 +24,8 @@ jobs:
         uses: actions/cache@v4
         with:
           path: |
-            ~/.local/share/nvim/site/pack/vendor/start
+            .tests
           key: ${{ runner.os }}-${{ matrix.container-image }}
 
-      - name: Prepare dependencies
-        run: ./scripts/tests.sh prepare
-
       - name: Run tests
         run: ./scripts/tests.sh run

.gitignore

@@ -4,4 +4,4 @@ http-client.env.json
 *.http
 *graphql-schema.json
 /http-examples
-/_neovim
+.tests

scripts/tests.sh

@@ -1,46 +1,12 @@
 #!/usr/bin/env bash
 
-# Copy from MIT licensed neotest plugin:
-# https://github.com/nvim-neotest/neotest/blob/958a6bff41c7086fe8b46f7f320d0fd073cfc6a0/scripts/test
-
-prepare() {
-  if [[ ! -d ~/.local/share/nvim/site/pack/vendor/start/nvim-treesitter ]]; then
-    git clone --depth 1 \
-      https://github.com/nvim-treesitter/nvim-treesitter \
-      ~/.local/share/nvim/site/pack/vendor/start/nvim-treesitter
-  fi
-  if [[ ! -d ~/.local/share/nvim/site/pack/vendor/start/plenary.nvim ]]; then
-    git clone --depth 1 \
-      https://github.com/nvim-lua/plenary.nvim \
-      ~/.local/share/nvim/site/pack/vendor/start/plenary.nvim
-  fi
-  if [[ ! -d ~/.local/share/nvim/site/pack/vendor/start/kulala.nvim ]]; then
-    ln -s "$(pwd)" ~/.local/share/nvim/site/pack/vendor/start
-  fi
-  nvim --headless -c 'TSUpdate | TSInstallSync lua | quit'
-}
-
 run() {
-  local tempfile
-  tempfile=$(mktemp)
-
   nvim --version
-
   if [[ -n $1 ]]; then
-    nvim --headless --noplugin -u tests/init.vim -c "PlenaryBustedFile $1" | tee "${tempfile}"
+    nvim -l tests/minit.lua tests --filter "$1"
   else
-    nvim --headless --noplugin -u tests/init.vim -c "PlenaryBustedDirectory tests/ {minimal_init = 'tests/init.vim'}" | tee "${tempfile}"
-  fi
-
-  # Plenary doesn't emit exit code 1 when tests have errors during setup
-  errors=$(sed 's/\x1b\[[0-9;]*m//g' "${tempfile}" | awk '/(Errors|Failed) :/ {print $3}' | grep -v '0')
-
-  if [[ -n $errors ]]; then
-    echo "Tests failed"
-    exit 1
+    nvim -l tests/minit.lua tests
   fi
-
-  exit 0
 }
 
 main() {
@@ -51,9 +17,6 @@ main() {
     "run")
       run "$args"
       ;;
-    "prepare")
-      prepare "$args"
-      ;;
     *)
       echo "Invalid action"
       exit 1

tests/minit.lua

@@ -0,0 +1,11 @@
+#!/usr/bin/env -S nvim -l
+
+vim.env.LAZY_STDPATH = ".tests"
+load(vim.fn.system("curl -s https://raw.githubusercontent.com/folke/lazy.nvim/main/bootstrap.lua"))()
+
+-- Setup lazy.nvim
+require("lazy.minit").busted({
+  spec = {
+    { dir = vim.uv.cwd() },
+  },
+})