chore: configure coverage

.editorconfig

@@ -8,13 +8,7 @@ charset = utf-8
 trim_trailing_whitespace = true
 insert_final_newline = true
 
-[*.lua]
-indent_size = 3
-
-[*.{tl,d.tl}]
-indent_size = 3
-
-[.busted]
+[*.{lua,tl,d.tl,busted,luacheckrc,luacov}]
 indent_size = 3
 
 [justfile]

.gitignore

@@ -1,3 +1,4 @@
 lua_modules
 generated
 build
+luacov

.luacov

@@ -0,0 +1,46 @@
+-- -- Per https://github.com/lunarmodules/luacov/blob/c915f4b95e8df5dbfaf2b1f04f0b7da04506fc7a/src/luacov/reporter.lua#L102
+-- -- > The option includeuntestedfiles requires the lfs module (from luafilesystem) to be installed.
+-- -- So I'm ok with including it here, since it's already an hard dependency.
+-- local lfs = require "lfs"
+
+-- local function walk(dir, callback)
+--    for file in lfs.dir(dir) do
+--       if file ~= "." and file ~= ".." then
+--          local path = dir .. "/" .. file
+--          local attr = lfs.attributes(path)
+--          if attr.mode == "directory" then
+--             walk(path, callback)
+--          else
+--             callback(path)
+--          end
+--       end
+--    end
+-- end
+
+-- local teal_files = {}
+-- for _, path in pairs { "spec", "src" } do
+--    walk(path, function(file)
+--       if file:match "%.tl$" then
+--          table.insert(teal_files, file)
+--       end
+--    end)
+-- end
+
+return {
+   statsfile = "luacov/luacov.stats.out",
+   reporter = "html",
+   reportfile = "luacov/luacov.report.html",
+   include = {
+      "spec",
+      "src",
+   },
+   exclude = {
+      "lua_modules",
+      "spec/tlconfig.lua",
+      "src/awesome.d.tl/types",
+      "types",
+   },
+   -- runreport = true, -- For some reason, it makes my computer crash
+   -- includeuntestedfiles = teal_files,
+   includeuntestedfiles = true,
+}

.vscode/settings.json

@@ -15,6 +15,7 @@
     "getcontent",
     "gitea",
     "htmlparser",
+    "includeuntestedfiles",
     "isdir",
     "justfile",
     "libc",
@@ -22,6 +23,7 @@
     "lpath",
     "Luacheck",
     "luacheckrc",
+    "luacov",
     "luafilesystem",
     "lualogging",
     "Luarocks",
@@ -29,8 +31,11 @@
     "luasocket",
     "mkdir",
     "modname",
+    "reportfile",
     "rockspec",
+    "runreport",
     "setopt",
+    "statsfile",
     "stringx",
     "Stylua",
     "sublist",
@@ -47,6 +52,7 @@
   "files.associations": {
     ".busted": "lua",
     ".luacheckrc": "lua",
+    ".luacov": "lua",
     "*.rockspec": "lua"
   }
 }

justfile

@@ -49,3 +49,8 @@ validate:
 
 test:
   busted
+
+# Requires a patched version of luacov (https://github.com/lunarmodules/luacov/issues/98#issuecomment-1530491759)
+coverage:
+  busted --coverage
+  luacov