test: use busted for tests

tests/busted.lua

@@ -0,0 +1,37 @@
+#!/usr/bin/env -S nvim -l
+
+-- set stdpaths to use .tests
+local root = vim.fn.fnamemodify("./.tests", ":p")
+for _, name in ipairs({ "config", "data", "state", "cache" }) do
+  vim.env[("XDG_%s_HOME"):format(name:upper())] = root .. "/" .. name
+end
+
+-- Bootstrap lazy.nvim
+local lazypath = vim.fn.stdpath("data") .. "/lazy/lazy.nvim"
+if not (vim.uv or vim.loop).fs_stat(lazypath) then
+  local lazyrepo = "https://github.com/folke/lazy.nvim.git"
+  vim.fn.system({ "git", "clone", "--filter=blob:none", "--branch=stable", lazyrepo, lazypath })
+end
+vim.opt.rtp:prepend(lazypath)
+
+vim.o.loadplugins = true -- enable since nvim -l disables plugins
+
+-- Setup lazy.nvim
+require("lazy").setup({
+  spec = {
+    { "LazyVim/LazyVim", dir = vim.fn.expand(".") },
+    "lunarmodules/busted", -- add busted
+    "LazyVim/starter",
+    { "nvim-lua/plenary.nvim" },
+    { "folke/lazy.nvim" },
+    "williamboman/mason-lspconfig.nvim",
+    "williamboman/mason.nvim",
+    "nvim-treesitter/nvim-treesitter",
+  },
+  rocks = { hererocks = true },
+})
+
+-- run busted
+return pcall(require("busted.runner"), {
+  standalone = false,
+}) or os.exit(1)

tests/extras/lang_spec.lua

@@ -38,13 +38,10 @@ describe("Extra", function()
   for _, extra in ipairs(extras) do
     local name = extra.modname:sub(#"lazyvim.plugins.extras" + 2)
     describe(name, function()
-      ---@type any, LazySpecLoader
-      local mod, spec
-
       it("spec is valid", function()
-        mod = require(extra.modname)
+        local mod = require(extra.modname)
         assert.is_not_nil(mod)
-        spec = Plugin.Spec.new({
+        local spec = Plugin.Spec.new({
           { "williamboman/mason.nvim", opts = { ensure_installed = {} } },
           { "nvim-treesitter/nvim-treesitter", opts = { ensure_installed = {} } },
           mod,
@@ -54,10 +51,17 @@ describe("Extra", function()
 
       if extra.modname:find("%.lang%.") then
         it("has recommended set", function()
+          local mod = require(extra.modname)
           assert(mod.recommended, "`recommended` not set for " .. extra.modname)
         end)
       end
 
+      local mod = require(extra.modname)
+      local spec = Plugin.Spec.new({
+        { "williamboman/mason.nvim", opts = { ensure_installed = {} } },
+        { "nvim-treesitter/nvim-treesitter", opts = { ensure_installed = {} } },
+        mod,
+      }, { optional = true })
       local lspconfig = spec.plugins["nvim-lspconfig"]
       if lspconfig then
         it("does not install LSP servers with mason.nvim", function()

tests/init.lua

@@ -1,57 +0,0 @@
--- DO NOT change the paths and don't remove the colorscheme
-local root = vim.fn.fnamemodify("./.tests", ":p")
-
--- set stdpaths to use .repro
-for _, name in ipairs({ "config", "data", "state", "cache" }) do
-  vim.env[("XDG_%s_HOME"):format(name:upper())] = root .. "/" .. name
-end
-
--- bootstrap lazy
-local lazypath = root .. "/plugins/lazy.nvim"
-if not vim.loop.fs_stat(lazypath) then
-  print("Bootstrapping lazy.nvim")
-  vim.fn.system({ "git", "clone", "--filter=blob:none", "https://github.com/folke/lazy.nvim.git", lazypath })
-end
-vim.opt.runtimepath:prepend(lazypath)
-
--- install plugins
-local plugins = {
-  "LazyVim/starter",
-  { "nvim-lua/plenary.nvim" },
-  { "folke/lazy.nvim" },
-  "williamboman/mason-lspconfig.nvim",
-  "williamboman/mason.nvim",
-  "nvim-treesitter/nvim-treesitter",
-}
-
-local function main()
-  print("Installing plugins")
-  require("lazy").setup(plugins, {
-    root = root .. "/plugins",
-    pkg = { enabled = false },
-    performance = {
-      rtp = {
-        reset = false,
-      },
-    },
-  })
-
-  if vim.o.filetype == "lazy" then
-    vim.cmd.close()
-  end
-
-  print("Updating plugins")
-  -- update plugins, wait for it to finish and don't show the output
-  require("lazy").update({ wait = true, show = false })
-  -- require("lazy.core.cache").reset()
-
-  vim.opt.rtp:append(".")
-end
-
-local Util = require("lazy.core.util")
-Util.try(main, {
-  on_error = function(err)
-    print(err)
-    os.exit(1)
-  end,
-})

tests/run

@@ -1,3 +1,3 @@
 #!/bin/sh
 
-nvim --headless -u tests/init.lua -c "PlenaryBustedDirectory tests {init = 'tests//init.lua', sequential = true}"
+nvim -l tests/busted.lua tests -o utfTerminal