refactor: move shared logic into new path lib (#98)

lua/neotest-golang/parse.lua

@@ -1,4 +1,5 @@
---- Parse the output from the go test command.
+--- This file is centered around the parsing/processing of test execution output
+--- and assembling of the final results to hand back over to Neotest.
 
 local async = require("neotest.async")
 

lua/neotest-golang/path.lua

@@ -0,0 +1,39 @@
+--- Helpers around filepaths.
+
+local M = {}
+
+--- Find a file upwards in the directory tree and return its path, if found.
+--- @param filename string
+--- @param start_path string
+--- @return string | nil
+function M.find_file_upwards(filename, start_path)
+  local scan = require("plenary.scandir")
+  local cwd = vim.fn.getcwd()
+  local found_filepath = nil
+  while start_path ~= cwd do
+    local files = scan.scan_dir(
+      start_path,
+      { search_pattern = filename, hidden = true, depth = 1 }
+    )
+    if #files > 0 then
+      found_filepath = files[1]
+      break
+    end
+    start_path = vim.fn.fnamemodify(start_path, ":h") -- go up one directory
+  end
+
+  if found_filepath == nil then
+    -- check if filename exists in the current directory
+    local files = scan.scan_dir(
+      start_path,
+      { search_pattern = filename, hidden = true, depth = 1 }
+    )
+    if #files > 0 then
+      found_filepath = files[1]
+    end
+  end
+
+  return found_filepath
+end
+
+return M

lua/neotest-golang/runspec_dir.lua

@@ -2,6 +2,7 @@
 --- a Go package.
 
 local cmd = require("neotest-golang.cmd")
+local path = require("neotest-golang.path")
 
 local M = {}
 
@@ -14,7 +15,7 @@ local M = {}
 --- @param pos neotest.Position
 --- @return neotest.RunSpec | nil
 function M.build(pos)
-  local go_mod_filepath = M.find_file_upwards("go.mod", pos.path)
+  local go_mod_filepath = path.find_file_upwards("go.mod", pos.path)
   if go_mod_filepath == nil then
     -- if no go.mod file was found up the directory tree, until reaching $CWD,
     -- then we cannot determine the Go project root.
@@ -75,46 +76,4 @@ function M.fail_fast(pos)
   return run_spec
 end
 
---- Find a file upwards in the directory tree and return its path, if found.
---- @param filename string
---- @param start_path string
---- @return string | nil
-function M.find_file_upwards(filename, start_path)
-  local scan = require("plenary.scandir")
-  local cwd = vim.fn.getcwd()
-  local found_filepath = nil
-  while start_path ~= cwd do
-    local files = scan.scan_dir(
-      start_path,
-      { search_pattern = filename, hidden = true, depth = 1 }
-    )
-    if #files > 0 then
-      found_filepath = files[1]
-      break
-    end
-    start_path = vim.fn.fnamemodify(start_path, ":h") -- go up one directory
-  end
-
-  if found_filepath == nil then
-    -- check if filename exists in the current directory
-    local files = scan.scan_dir(
-      start_path,
-      { search_pattern = filename, hidden = true, depth = 1 }
-    )
-    if #files > 0 then
-      found_filepath = files[1]
-    end
-  end
-
-  return found_filepath
-end
-
-function M.remove_base_path(base_path, target_path)
-  if string.find(target_path, base_path, 1, true) == 1 then
-    return string.sub(target_path, string.len(base_path) + 2)
-  end
-
-  return target_path
-end
-
 return M

lua/neotest-golang/runspec_file.lua

@@ -2,7 +2,7 @@
 
 local cmd = require("neotest-golang.cmd")
 local convert = require("neotest-golang.convert")
-local runspec_dir = require("neotest-golang.runspec_dir")
+local path = require("neotest-golang.path")
 
 local M = {}
 
@@ -15,7 +15,7 @@ function M.build(pos, tree)
     return M.fail_fast(pos)
   end
 
-  local go_mod_filepath = runspec_dir.find_file_upwards("go.mod", pos.path)
+  local go_mod_filepath = path.find_file_upwards("go.mod", pos.path)
   if go_mod_filepath == nil then
     -- if no go.mod file was found up the directory tree, until reaching $CWD,
     -- then we cannot determine the Go project root.