feat(gotests): add generate one test

docs(gotests): add generate one test

lua/gopher/gotests.lua

@@ -0,0 +1,48 @@
+local Job = require "plenary.job"
+local ts_utils = require "gopher._utils.ts"
+local M = {}
+
+---@param cmd_args table
+local function run(cmd_args)
+  Job
+    :new({
+      command = "gotests",
+      args = cmd_args,
+      on_exit = function(_, retval)
+        if retval ~= 0 then
+          print("command exited with code " .. retval)
+          return
+        end
+
+        print "unit test(s) generated"
+      end,
+    })
+    :start()
+end
+
+---@param args table
+local function add_test(args)
+  local fpath = vim.fn.expand "%" ---@diagnostic disable-line: missing-parameter
+  table.insert(args, "-w")
+  table.insert(args, fpath)
+  run(args)
+end
+
+---generate unit test for one function
+---@param parallel boolean
+function M.func_test(parallel)
+  local ns = ts_utils.get_func_method_node_at_pos(unpack(vim.api.nvim_win_get_cursor(0)))
+  if ns == nil or ns.name == nil then
+    print "cursor on func/method and execute the command again"
+    return
+  end
+
+  local cmd_args = { "-only", ns.name }
+  if parallel then
+    table.insert(cmd_args, "-parallel")
+  end
+
+  add_test(cmd_args)
+end
+
+return M