rebase: align vllm-omni with vLLM d2906cc19586

Signed-off-by: tzhouam <tzhouam@connect.ust.hk>

tests/platforms/test_platform_detection.py

@@ -0,0 +1,38 @@
+# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM-Omni project
+
+import logging
+
+import pytest
+
+import vllm_omni.platforms as platforms
+
+pytestmark = [pytest.mark.core_model, pytest.mark.cpu]
+
+
+def test_failing_oot_plugin_is_logged_and_falls_back(monkeypatch, caplog):
+    plugin_name = "raising_oot_plugin"
+
+    def raising_plugin():
+        raise RuntimeError("injected platform detection failure")
+
+    monkeypatch.setattr(platforms, "builtin_omni_platform_plugins", {})
+    monkeypatch.setattr(
+        platforms,
+        "load_omni_plugins_by_group",
+        lambda _group: {plugin_name: raising_plugin},
+    )
+
+    target_logger = logging.getLogger(platforms.__name__)
+    target_logger.addHandler(caplog.handler)
+    previous_level = target_logger.level
+    target_logger.setLevel(logging.DEBUG)
+    try:
+        platform_cls = platforms.resolve_current_omni_platform_cls_qualname()
+    finally:
+        target_logger.removeHandler(caplog.handler)
+        target_logger.setLevel(previous_level)
+
+    assert platform_cls == "vllm_omni.platforms.interface.UnspecifiedOmniPlatform"
+    assert plugin_name in caplog.text
+    assert "RuntimeError: injected platform detection failure" in caplog.text