[CI] Revise the Windows skip logic of UT

test/xpu/run_test_with_skip.py

@@ -27,21 +27,26 @@ def should_skip_entire_file(skip_list):
     """Check if the skip list contains any entire file skip pattern (*.py::)"""
     if not skip_list:
         return False
-    return any(item.endswith(".py::") for item in skip_list)
+    return any(item.endswith(".py") for item in skip_list)
 
 
 # Import window skip dictionary if skip-cases is True
 if args.skip_cases:
     try:
         # Import the window skip dictionary module
-        from window_skip_dict import skip_dict as window_skip_dict
+        from windows_skip_cases import skip_dict as window_skip_dict
 
         # Merge the window skip dictionary with the default one using intelligent strategy
         merged_skip_dict = {}
 
         # First, copy all keys from default skip_dict
         for key in skip_dict:
-            merged_skip_dict[key] = skip_dict[key].copy() if skip_dict[key] else []
+            if skip_dict[key] is None:
+                merged_skip_dict[key] = []
+            elif isinstance(skip_dict[key], tuple):
+                merged_skip_dict[key] = list(skip_dict[key])
+            else:
+                merged_skip_dict[key] = skip_dict[key].copy() if skip_dict[key] else []
 
         # Then merge with window_skip_dict using intelligent strategy
         for key in window_skip_dict:
@@ -104,6 +109,10 @@ def should_skip_entire_file(skip_list):
         skip_list = None
     # For "selected" case, use the skip_list as is
 
+    # If skip_list is empty, set it to None
+    if skip_list is not None and len(skip_list) == 0:
+        skip_list = None
+
     print(f"Running test case: {key}")
     if skip_list:
         print(f"Skip list: {skip_list}")

test/xpu/windows_skip_cases.py

@@ -5,8 +5,8 @@
 
 skip_dict = {
     # Windows: Skip entire files using *.py:: pattern
-    "test_decomp": [
-        "test_decomp.py::",  # Skip entire file on Windows
+    "test_decomp.py": [
+        "test_decomp.py",  # Skip entire file on Windows
     ],
     # Files where Windows only needs to skip specific tests (will merge with Linux defaults)
     # "test_linalg": [

test/xpu/xpu_test_utils.py

@@ -1092,7 +1092,7 @@ def copy_tests(
 
 def launch_test(test_case, skip_list=None, exe_list=None):
     os.environ["PYTORCH_TEST_WITH_SLOW"] = "1"
-    if skip_list is not None:
+    if skip_list and len(skip_list) > 0:
         skip_options = ' -k "not ' + skip_list[0]
         for skip_case in skip_list[1:]:
             skip_option = " and not " + skip_case
@@ -1103,7 +1103,7 @@ def launch_test(test_case, skip_list=None, exe_list=None):
             + test_case
         )
         test_command += skip_options
-    elif exe_list is not None:
+    elif exe_list and len(exe_list) > 0:
         exe_options = ' -k "' + exe_list[0]
         for exe_case in exe_list[1:]:
             exe_option = " or " + exe_case