From 5e9ea75cc59ea60d712b2f32a3fc4c5909160690 Mon Sep 17 00:00:00 2001
From: Fredrik Averpil <fredrik.averpil@gmail.com>
Date: Wed, 12 Jun 2024 10:32:46 +0200
Subject: [PATCH] feat: delegate non-Go project folder to next strategy

---
 lua/neotest-golang/init.lua        |  2 --
 lua/neotest-golang/runspec_dir.lua | 11 +++++++++--
 2 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/lua/neotest-golang/init.lua b/lua/neotest-golang/init.lua
index d0aba9c9..4e2ceac3 100644
--- a/lua/neotest-golang/init.lua
+++ b/lua/neotest-golang/init.lua
@@ -104,8 +104,6 @@ function M.Adapter.build_spec(args)
       -- to compile. This approach is too brittle, and therefore this mode is not
       -- supported. Instead, the tests of a file are run as if pos.typ == "test".
 
-      vim.notify("Would've executed a file: " .. pos.path)
-
       return -- delegate test execution to per-test execution
     end
   elseif pos.type == "test" then
diff --git a/lua/neotest-golang/runspec_dir.lua b/lua/neotest-golang/runspec_dir.lua
index 401d7b30..4c5ecc35 100644
--- a/lua/neotest-golang/runspec_dir.lua
+++ b/lua/neotest-golang/runspec_dir.lua
@@ -6,14 +6,21 @@ local M = {}
 
 --- Build runspec for a directory.
 ---@param pos neotest.Position
----@return neotest.RunSpec
+---@return neotest.RunSpec | nil
 function M.build(pos)
   -- Strategy:
   -- 1. Find the go.mod file from pos.path.
   -- 2. Run `go test` from the directory containing the go.mod file.
   -- 3. Use the relative path from the go.mod file to pos.path as the test pattern.
-
   local go_mod_filepath = M.find_file_upwards("go.mod", pos.path)
+  if go_mod_filepath == nil then
+    vim.notify(
+      "The selected folder is not a Go project, attempting different strategy.",
+      vim.log.levels.WARN
+    )
+    return nil -- Deletgates away from the dir strategy
+  end
+
   local go_mod_folderpath = vim.fn.fnamemodify(go_mod_filepath, ":h")
   local cwd = go_mod_folderpath