test(e2e): normalize Windows CDB include paths

Author: wellwei

tests/e2e/202_configure_only_cdb.sh

@@ -66,14 +66,23 @@ grep -q 'tests[\/][\/]*test_smoke.cpp' compile_commands.json || {
     exit 1
 }
 if command -v python3 >/dev/null 2>&1; then
-    python3 - compile_commands.json "$TMP/devkit/include" <<'PY'
-import json, os, sys
+    python3 - compile_commands.json <<'PY'
+import json, sys
 entries = json.load(open(sys.argv[1], encoding="utf-8"))
-normal = lambda p: p.replace("\\", "/")
+normal = lambda p: p.replace("\\", "/").rstrip("/")
 test = next(e for e in entries if normal(e["file"]).endswith("/tests/test_smoke.cpp"))
 main = next(e for e in entries if normal(e["file"]).endswith("/src/main.cpp"))
 args = test["arguments"]
-assert any(os.path.normpath(sys.argv[2]) in os.path.normpath(a) for a in args), args
+# Windows 原生进程与 MSYS 可能用不同根路径表示同一临时目录，
+# 因此从 CDB 的 directory 字段推导相邻 devkit 路径。
+fixture = normal(test["directory"]).rsplit("/", 1)[0]
+expected_include = f"{fixture}/devkit/include".casefold()
+include_args = {
+    normal(a[2:]).casefold()
+    for a in args
+    if a[:2].casefold() == "-i"
+}
+assert expected_include in include_args, args
 assert any("MCPP_CONFIGURE_ONLY_TEST_FLAG=1" in a for a in args), args
 assert not any("MCPP_CONFIGURE_ONLY_TEST_FLAG=1" in a for a in main["arguments"]), main
 PY