ci: added some tests

tests/extras/lang_spec.lua

@@ -0,0 +1,34 @@
+---@module 'luassert'
+
+local Plugin = require("lazy.core.plugin")
+_G.LazyVim = require("lazyvim.util")
+
+describe("Extra", function()
+  local Config = require("lazy.core.config")
+  assert(vim.tbl_count(Config.plugins) > 0, "Lazy not properly setup")
+
+  ---@type {modname:string, modpath:string}[]
+  local extras = vim.tbl_map(
+    ---@param path string
+    function(path)
+      local modname = path:sub(5):gsub("%.lua$", ""):gsub("/", ".")
+      return { modname = modname, modpath = path }
+    end,
+    vim.fs.find(function(name)
+      return name:match("%.lua$")
+    end, { limit = math.huge, type = "file", path = "lua/lazyvim/plugins/extras" })
+  )
+
+  for _, extra in ipairs(extras) do
+    it(extra.modname .. " is valid", function()
+      local mod = require(extra.modname)
+      local spec = Plugin.Spec.new(mod, { optional = true })
+      assert.is_not_nil(mod)
+      assert(#spec.notifs == 0, "Invalid spec: " .. vim.inspect(spec.notifs))
+
+      if extra.modname:find("%.lang%.") then
+        assert(mod.recommended, "`recommended` not set for " .. extra.modname)
+      end
+    end)
+  end
+end)