From ad5a1eb110a8a058f71b47ba69cfa3affa97b105 Mon Sep 17 00:00:00 2001
From: Chen Tao <jagt@live.com>
Date: Sat, 24 Feb 2024 22:37:32 +0800
Subject: [PATCH] Fix lit test cfg on windows.

Without this `str()` the test would fail with a stacktrace like this:

```shell
D:\DevLLVM\repos\mlir-tutorial\tests>lit -v .\ctlz_simple.mlir
-- Testing: 1 tests, 1 workers --
UNRESOLVED: mlir_tutorial :: ctlz_simple.mlir (1 of 1)
******************** TEST 'mlir_tutorial :: ctlz_simple.mlir' FAILED ********************
Exception during script execution:
Traceback (most recent call last):
  File "C:\Wares\python310\lib\site-packages\lit\worker.py", line 76, in _execute_test_handle_errors
    result = test.config.test_format.execute(test, lit_config)
  File "C:\Wares\python310\lib\site-packages\lit\formats\shtest.py", line 29, in execute
    return lit.TestRunner.executeShTest(
  File "C:\Wares\python310\lib\site-packages\lit\TestRunner.py", line 2120, in executeShTest
    script = applySubstitutions(
  File "C:\Wares\python310\lib\site-packages\lit\TestRunner.py", line 1674, in applySubstitutions
    output.append(unescapePercents(process(line)))
  File "C:\Wares\python310\lib\site-packages\lit\TestRunner.py", line 1631, in processLine
    b = b.replace("\\", "\\\\")
TypeError: Path.replace() takes 2 positional arguments but 3 were given


********************
********************
Unresolved Tests (1):
  mlir_tutorial :: ctlz_simple.mlir


Testing Time: 0.16s
  Unresolved: 1
```
---
 tests/lit.cfg.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/lit.cfg.py b/tests/lit.cfg.py
index 887b703..15ca568 100644
--- a/tests/lit.cfg.py
+++ b/tests/lit.cfg.py
@@ -42,6 +42,6 @@
 )
 
 substitutions = {
-    "%project_source_dir": runfiles_dir.joinpath(Path('mlir_tutorial')),
+    "%project_source_dir": str(runfiles_dir.joinpath(Path('mlir_tutorial'))),
 }
 config.substitutions.extend(substitutions.items())