ci: minit (minimal init)

lua/lazy/minit.lua

@@ -0,0 +1,57 @@
+---@diagnostic disable: inject-field
+---@class LazyMinit:LazyConfig
+---@field stdpath? string
+
+local islist = vim.islist or vim.tbl_islist
+
+---@alias MinitSetup (fun(spec:LazySpec, opts: LazyMinit):LazyMinit?) | (fun(opts: LazyMinit):LazyMinit?) | (fun(spec:LazySpec, opts: LazyMinit):LazyMinit?)
+
+local M = {}
+
+---@param opts LazyMinit
+---@return LazySpec[]
+local function get_spec(opts)
+  local ret = opts.spec or {}
+  return ret and type(ret) == "table" and islist(ret) and ret or { ret }
+end
+
+---@param defaults LazyMinit
+---@param opts LazyMinit
+function M.extend(defaults, opts)
+  local spec = {}
+  vim.list_extend(spec, get_spec(defaults))
+  vim.list_extend(spec, get_spec(opts))
+  return vim.tbl_deep_extend("force", defaults, opts, { spec = spec })
+end
+
+function M.setup(opts)
+  opts = M.extend({ spec = { { dir = vim.fn.expand(".") } } }, opts)
+
+  -- set stdpaths to use .tests
+  local root = opts.stdpath or ".minit"
+  root = vim.fn.fnamemodify(root, ":p")
+  for _, name in ipairs({ "config", "data", "state", "cache" }) do
+    vim.env[("XDG_%s_HOME"):format(name:upper())] = root .. "/" .. name
+  end
+
+  vim.o.loadplugins = true
+  require("lazy").setup(opts)
+end
+
+---@param opts LazyMinit
+function M.busted(opts)
+  opts = M.extend({ spec = { "lunarmodules/busted" }, rocks = { hererocks = true } }, opts)
+
+  M.setup(opts)
+
+  local Config = require("lazy.core.config")
+  -- disable termnial output for the tests
+  Config.options.headless = {}
+
+  -- run busted
+  return pcall(require("busted.runner"), {
+    standalone = false,
+  }) or os.exit(1)
+end
+
+return M