go code action for null-ls

lua/go/alt_getopt.lua

@@ -6,6 +6,8 @@
 
 local type, pairs, ipairs, os = type, pairs, ipairs, os
 
+local utils = require('go.utils')
+local log = utils.log
 local alt_getopt = {}
 
 local function convert_short2long(opts)
@@ -53,6 +55,10 @@ function alt_getopt.get_ordered_opts(arg, sh_opts, long_opts)
 
   while i <= #arg do
     local a = arg[i]
+    if type(a) ~= "string" then
+      log('failed to decode', type(a), a)
+      goto continue
+    end
     if a == "--" then
       i = i + 1
       break
@@ -120,6 +126,8 @@ function alt_getopt.get_ordered_opts(arg, sh_opts, long_opts)
     end
 
     i = i + 1
+    ::continue::
+
   end
 
   return opts, i, optarg, unparsed
@@ -130,10 +138,10 @@ function alt_getopt.get_opts(arg, sh_opts, long_opts)
 
   local opts, optind, optarg, unparsed = alt_getopt.get_ordered_opts(arg, sh_opts, long_opts)
   for i, v in ipairs(opts) do
-    if optarg[i] then
+    if optarg and optarg[i] then
       ret[v] = optarg[i]
     else
-      ret[v] = true
+      ret[v] = (optarg ~= nil)
     end
   end
 

lua/go/gotest.lua

@@ -449,7 +449,7 @@ end
 
 --options {s:select, F: floaterm}
 M.test_func = function(...)
-  local args = { ... }
+  local args = { ... } or {}
   log(args)
 
   local ns = M.get_test_func_name()

lua/go/null_ls.lua

@@ -14,6 +14,10 @@ local function handler()
       -- there is no need to run on didChange, has to run until fil saved
       return log('skip didChange')
     end
+    if vim.fn.empty(msg.err) == 0 then
+      log('error', msg.err)
+      return
+    end
 
     log(msg.method)
     local msgs = msg.output
@@ -127,4 +131,43 @@ return {
       }),
     }
   end,
+  gotest_action = function()
+    return {
+      name = 'gotest nearest',
+      meta = {
+        url = 'https://github.com/ray-x/go.nvim',
+        description = 'test go code',
+      },
+      method = require('null-ls.methods').internal.CODE_ACTION,
+      filetypes = { 'go' },
+      generator = {
+        fn = function(params)
+          local actions = {}
+
+          local gt = require('go.gotest')
+          local cb = function()
+            local test_actions = gt.test_func
+            if not test_actions then
+              return
+            end
+            log('gotest action')
+            test_actions()
+          end
+          local fname = gt.get_test_func_name()
+          if not fname then
+            fname = 'file'
+          end
+          log(fname)
+          -- local mode = vim.api.nvim_get_mode().mode
+          table.insert(actions, {
+            title = 'gotest ' .. fname.name,
+            action = function()
+              vim.api.nvim_buf_call(params.bufnr, cb)
+            end,
+          })
+          return actions
+        end,
+      },
+    }
+  end,
 }