audit: comprehensive cleanup — delete 8 files, fix buffer bug, cut bloat

tests/test_mode.lua

@@ -1,42 +1,32 @@
--- tests for debug mode enter/exit
+local assert_eq = require("helpers").assert_eq
 local td = require("tiny-debugger")
-local mode = require("tiny-debugger.mode")
-
-local function assert_eq(a, b, msg)
-  if a ~= b then
-    error(string.format("FAIL: %s — expected %s, got %s", msg, vim.inspect(b), vim.inspect(a)))
-  end
-end
 
 local function has_buf_map(key)
-  local maps = vim.api.nvim_buf_get_keymap(0, "n")
-  for _, m in ipairs(maps) do
+  for _, m in ipairs(vim.api.nvim_buf_get_keymap(0, "n")) do
     if m.lhs == key then return true end
   end
   return false
 end
 
--- test 1: starts inactive
+-- starts inactive
 assert_eq(td.active(), false, "starts inactive")
 
--- test 2: toggle enters debug mode
+-- toggle enters debug mode
 td.toggle()
 assert_eq(td.active(), true, "active after toggle")
 
--- test 3: keymaps are set
-assert_eq(has_buf_map("c"), true, "continue key mapped")
-assert_eq(has_buf_map("s"), true, "step_over key mapped")
-assert_eq(has_buf_map("d"), true, "step_into key mapped")
-assert_eq(has_buf_map("r"), true, "step_out key mapped")
-assert_eq(has_buf_map("q"), true, "terminate key mapped")
+-- keymaps are set
+for _, key in ipairs({ "c", "s", "d", "r", "q" }) do
+  assert_eq(has_buf_map(key), true, key .. " key mapped")
+end
 
--- test 4: toggle exits debug mode
+-- toggle exits debug mode
 td.toggle()
 assert_eq(td.active(), false, "inactive after second toggle")
 
--- test 5: keymaps are removed
-assert_eq(has_buf_map("c"), false, "continue key removed")
-assert_eq(has_buf_map("s"), false, "step_over key removed")
-assert_eq(has_buf_map("q"), false, "terminate key removed")
+-- keymaps are removed
+for _, key in ipairs({ "c", "s", "d", "r", "q" }) do
+  assert_eq(has_buf_map(key), false, key .. " key removed")
+end
 
 print("ALL MODE TESTS PASSED")