From d532818e075b387207ff1b51437934c318d951e1 Mon Sep 17 00:00:00 2001
From: nomyfan <Nomyfan@live.com>
Date: Sat, 23 May 2026 11:35:57 +0800
Subject: [PATCH] ci: add macOS and Windows to test matrix

Expand CI to run tests on ubuntu, macos, and windows. Fix hardcoded
Unix paths in tests to work cross-platform.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 .github/workflows/test.yml |  3 ++-
 tests/test_core.py         | 11 ++++++++---
 2 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index d8d1b12..a68ed84 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -8,9 +8,10 @@ on:
 
 jobs:
   test:
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.os }}
     strategy:
       matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
         python-version: ["3.9", "3.10", "3.11", "3.12", "3.13", "3.14"]
 
     steps:
diff --git a/tests/test_core.py b/tests/test_core.py
index e78b061..2a2acb0 100644
--- a/tests/test_core.py
+++ b/tests/test_core.py
@@ -1,3 +1,4 @@
+import os
 import subprocess
 from pathlib import Path, PurePosixPath
 from unittest.mock import patch
@@ -10,6 +11,7 @@
     commit_changes,
     find_site_packages,
     restore_clean_package,
+    venv_python,
 )
 
 
@@ -215,7 +217,10 @@ def _setup_target_env(
         self, tmp_path: Path, package_name: str, version: str
     ) -> Path:
         target_env = tmp_path / ".venv"
-        site_packages = target_env / "lib" / "python3.9" / "site-packages"
+        if os.name == "nt":
+            site_packages = target_env / "Lib" / "site-packages"
+        else:
+            site_packages = target_env / "lib" / "python3.9" / "site-packages"
         site_packages.mkdir(parents=True)
         dist_info = (
             site_packages / f"{package_name.replace('-', '_')}-{version}.dist-info"
@@ -298,7 +303,7 @@ def test_commit_restores_target_package_before_apply(
             "--no-deps",
             "mypackage==1.0.0",
             "--python",
-            str(target_env / "bin/python"),
+            str(venv_python(target_env)),
         ]
 
     def test_commit_can_skip_restore(self, tmp_path: Path, monkeypatch):
@@ -338,6 +343,6 @@ def test_restore_clean_package_uses_target_env_python(self, tmp_path: Path):
                 "--no-deps",
                 "mypackage==1.0.0",
                 "--python",
-                str(target_env / "bin/python"),
+                str(venv_python(target_env)),
             ]
         )