go.nvim/lua/tests/go_fmt_spec.lua

local eq = assert.are.same
local cur_dir = vim.fn.expand("%:p:h")
local busted = require("plenary/busted")

describe("should run gofmt", function()
  -- vim.fn.readfile('minimal.vim')
  -- vim.fn.writefile(vim.fn.readfile('fixtures/fmt/hello.go'), name)
  status = require("plenary.reload").reload_module("go.nvim")
  -- it("should run fmt", function()
  --   local name = vim.fn.tempname() .. ".go"
  --   print("tmp:" .. name)
  --   --
  --   local path = cur_dir .. "/lua/tests/fixtures/fmt/hello.go" -- %:p:h ? %:p
  --   print("test:" .. path)
  --   local lines = vim.fn.readfile(path)
  --   vim.fn.writefile(lines, name)
  --   local expected = vim.fn.join(vim.fn.readfile(
  --                                    cur_dir .. "/lua/tests/fixtures/fmt/hello_golden.go"), "\n")
  --   local cmd = " silent exe 'e " .. name .. "'"
  --   vim.cmd(cmd)
  --   local l = vim.api.nvim_buf_get_lines(0, 0, -1, true)
  --   print("buf read: " .. vim.inspect(l))
  --
  --   vim.bo.filetype = "go"
  --
  --   print("exp:" .. vim.inspect(expected))
  --   print("tmp" .. name)
  --
  --   local gofmt = require("go.format")
  --   gofmt.gofmt()
  --   -- enable the channel response
  --   vim.wait(100, function()
  --   end)
  --   local fmt = vim.fn.join(vim.fn.readfile(name), "\n")
  --   print("fmt" .. fmt)
  --   vim.fn.assert_equal(fmt, expected)
  --   eq(expected, fmt)
  --   local cmd = "bd! " .. name
  --   vim.cmd(cmd)
  -- end)
  -- it("should run fmt sending from buffer", function()
  --   local name = vim.fn.tempname() .. ".go"
  --   print("tmp:" .. name)
  --   --
  --   local path = cur_dir .. "/lua/tests/fixtures/fmt/hello.go" -- %:p:h ? %:p
  --   print("test:" .. path)
  --   local lines = vim.fn.readfile(path)
  --   vim.fn.writefile(lines, name)
  --   local expected = vim.fn.join(vim.fn.readfile(
  --                                    cur_dir .. "/lua/tests/fixtures/fmt/hello_golden.go"), "\n")
  --   local cmd = " silent exe 'e " .. name .. "'"
  --   vim.cmd(cmd)
  --   local l = vim.api.nvim_buf_get_lines(0, 0, -1, true)
  --   print("buf read: " .. vim.inspect(l))
  --
  --   vim.bo.filetype = "go"
  --
  --   print("exp:" .. vim.inspect(expected))
  --   print("tmp" .. name)
  --
  --   local gofmt = require("go.format")
  --   gofmt.gofmt(true)
  --   -- enable the channel response
  --   vim.wait(100, function()
  --   end)
  --   local fmt = vim.fn.join(vim.fn.readfile(name), "\n")
  --   print("fmt" .. fmt)
  --   vim.fn.assert_equal(fmt, expected)
  --   eq(expected, fmt)
  --   local cmd = "bd! " .. name
  --   vim.cmd(cmd)
  -- end)
  -- it("should run import from file", function()
  --   local path = cur_dir .. "/lua/tests/fixtures/fmt/goimports.go" -- %:p:h ? %:p
  --   local expected = vim.fn.join(vim.fn.readfile(cur_dir
  --                                                    .. "/lua/tests/fixtures/fmt/goimports_golden.go"),
  --                                "\n")
  --   local name = vim.fn.tempname() .. ".go"
  --   print(name)
  --   local lines = vim.fn.readfile(path)
  --   vim.fn.writefile(lines, name)
  --   local cmd = " silent exe 'e " .. name .. "'"
  --   vim.cmd(cmd)
  --   require("go").setup({goimport = "goimports"})
  --   vim.cmd([[cd %:p:h]])
  --   require("go.format").goimport()
  --   print("workspaces:", vim.inspect(vim.lsp.buf.list_workspace_folders()))
  --   vim.wait(100, function()
  --   end)
  --   local fmt = vim.fn.join(vim.fn.readfile(name), "\n")
  --   eq(expected, fmt)
  --   cmd = "bd! " .. name
  --   vim.cmd(cmd)
  -- end)
  -- it("should run import from file buffer with goimport", function()
  --   local path = cur_dir .. "/lua/tests/fixtures/fmt/goimports.go" -- %:p:h ? %:p
  --   local expected = vim.fn.join(vim.fn.readfile(cur_dir
  --                                                    .. "/lua/tests/fixtures/fmt/goimports_golden.go"),
  --                                "\n")
  --   local name = vim.fn.tempname() .. ".go"
  --   print(name)
  --   local lines = vim.fn.readfile(path)
  --   local cmd = " silent exe 'e " .. name .. "'"
  --   vim.fn.writefile(lines, name)
  --   vim.cmd(cmd)
  --   vim.cmd([[cd %:p:h]])
  --   print("code write to " .. name)
  --
  --   require("go").setup({goimport = "goimports"})
  --   local gofmt = require("go.format")
  --   gofmt.goimport(true)
  --
  --   vim.wait(100, function()
  --   end)
  --   vim.cmd([[w]])
  --   local fmt = vim.fn.join(vim.fn.readfile(name), "\n")
  --
  --   print(fmt)
  --   eq(expected, fmt)
  -- end)

  it("should run import from file with gopls", function()
    local path = cur_dir .. "/lua/tests/fixtures/fmt/goimports2.go" -- %:p:h ? %:p
    local expected = vim.fn.join(vim.fn.readfile(cur_dir
                                                     .. "/lua/tests/fixtures/fmt/goimports2_golden.go"),
                                 "\n")

    _GO_NVIM_CFG.goimport = 'gopls'

    local cmd = " silent exe 'e " .. path .. "'"
    vim.cmd(cmd)

    vim.cmd([[packadd go.nvim]])
    require("go").setup({goimport = "gopls", lsp_cfg = true})
    vim.wait(2000, function()
    end)

    -- vim.cmd([[cd %:p:h]])
    require("go.format").goimport()

    print("workspaces:", vim.inspect(vim.lsp.buf.list_workspace_folders()))
    vim.wait(200, function()
    end)
    local fmt = vim.fn.join(vim.fn.readfile(path), "\n")
    print(vim.inspect(fmt))
    eq(expected, fmt)
    eq(1, 1) -- still not working
    cmd = "bd! " .. path
    vim.cmd(cmd)
  end)
end)