From e6b1ac855429723d7d8871616cb3f45cc912975d Mon Sep 17 00:00:00 2001
From: Rob Watson <rob@netflux.io>
Date: Mon, 28 Apr 2025 08:52:36 +0200
Subject: [PATCH] feat(nvim): add dlv shortcut and mapping

---
 vim/lua/test_runner.lua | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/vim/lua/test_runner.lua b/vim/lua/test_runner.lua
index e35d788..d60eb26 100644
--- a/vim/lua/test_runner.lua
+++ b/vim/lua/test_runner.lua
@@ -28,6 +28,20 @@ _G._build_test_cmd = function()
   end
 end
 
+_G._build_debug_cmd = function()
+  local bufnr = vim.fn.bufnr("%")
+  local filetype = vim.fn.getbufvar(bufnr, "&filetype")
+  if filetype ~= "go" then
+    vim.api.nvim_err_writeln("cannot build test command for filetype:" .. filetype)
+    return nil
+  end
+
+  local path = vim.fn.expand("%:p")
+
+  -- TODO: check file exists before running command
+  return "dlv test " .. path:gsub("^(.*)/(.*go)$", "%1") .. " -- -test.v"
+end
+
 _G.run_tests = function()
   local cmd = _G._build_test_cmd()
   if cmd == nil then
@@ -105,7 +119,18 @@ _G.copy_test_cmd = function()
   print("Copied: " .. cmd)
 end
 
+_G.copy_debug_cmd = function()
+  local cmd = _G._build_debug_cmd()
+  if cmd == nil then
+    return
+  end
+
+  vim.fn.setreg("+", cmd)
+  print("Copied: " .. cmd)
+end
+
 vim.api.nvim_set_keymap("n", "<leader>cr", [[:lua _G.run_tests()<cr>]], { noremap = true, silent = true })
 vim.api.nvim_set_keymap("n", "<leader>cf", [[:lua _G.focus_tests()<cr>]], { noremap = true, silent = true })
 vim.api.nvim_set_keymap("n", "<leader>cq", [[:lua _G.close_tests()<cr>]], { noremap = true, silent = true })
 vim.api.nvim_set_keymap("n", "<leader>cc", [[:lua _G.copy_test_cmd()<cr>]], { noremap = true, silent = true })
+vim.api.nvim_set_keymap("n", "<leader>cd", [[:lua _G.copy_debug_cmd()<cr>]], { noremap = true, silent = true })