go.nvim/lua/tests/go_fillstruct_spec.lua

local _ = require('plenary/busted')

local eq = assert.are.same
local cur_dir = vim.fn.expand('%:p:h')
-- local status = require("plenary.reload").reload_module("go.nvim")
-- status = require("plenary.reload").reload_module("nvim-treesitter")
-- local ulog = require('go.utils').log
describe('should run fillstruct', function()
  vim.cmd([[packadd go.nvim]])

  -- _GO_NVIM_CFG.fillstruct = "fillstruct"
  it('should run fillstruct', function()
    --

    local name = vim.fn.tempname() .. '.go'
    local path = cur_dir .. '/lua/tests/fixtures/fill/fill_struct_input.go' -- %:p:h ? %:p
    local lines = vim.fn.readfile(path)
    vim.fn.writefile(lines, name)
    vim.o.ft = 'go'
    local expected = vim.fn.join(
      vim.fn.readfile(cur_dir .. '/lua/tests/fixtures/fill/fill_struct_golden.txt'),
      '\n'
    )
    local cmd = " silent exe 'e " .. path .. "'"
    vim.cmd(cmd)
    require('plenary.reload').reload_module('go.nvim')
    require('go').setup({ verbose = true, lsp_cfg = true })

    vim.cmd('sleep 1000m') -- allow gopls startup
    vim.fn.setpos('.', { 0, 20, 14, 0 })

    vim.bo.filetype = 'go'

    require('go.reftool').fillstruct()

    vim.cmd('sleep 500m') -- allow cleanup
    vim.wait(100, function()
      local filled = vim.api.nvim_buf_get_lines(0, 0, 40, false)

      -- local path = cur_dir .. "/lua/tests/fixtures/fill/fill_struct_input.go2" -- %:p:h ? %:p
      -- vim.fn.writefile(filled, path)

      filled = vim.fn.join(filled, '\n')
      eq(expected, filled)
    end)
  end)
end)