Fix bug with WorkspaceSymbol structuring hook

packages/python/lsprotocol/_hooks.py

@@ -691,16 +691,20 @@ def _symbol_list_hook(
         assert isinstance(object_, list)
         if len(object_) == 0:
             return []
-        if "location" in object_[0]:
+        if "deprecated" in object_[0]:
             return [
                 converter.structure(item, lsp_types.SymbolInformation)
                 for item in object_
             ]
-        else:
+        elif ("data" in object_[0]) or ("range" not in object_[0]["location"]):
             return [
                 converter.structure(item, lsp_types.WorkspaceSymbol) for item in object_
             ]
 
+        return [
+            converter.structure(item, lsp_types.SymbolInformation) for item in object_
+        ]
+
     def _notebook_sync_registration_option_selector_hook(
         object_: Any, _: type
     ) -> Union[

tests/python/requests/test_workspace_symbols_request.py

@@ -0,0 +1,90 @@
+# Copyright (c) Microsoft Corporation. All rights reserved.
+# Licensed under the MIT License.
+
+import hamcrest
+import pytest
+from cattrs import ClassValidationError
+from lsprotocol import converters as cv
+from lsprotocol import types as lsp
+
+TEST_DATA = [
+    {
+        "id": 1,
+        "result": [{"name": "test", "kind": 1, "location": {"uri": "test"}}],
+        "jsonrpc": "2.0",
+    },
+    {
+        "id": 1,
+        "result": [
+            {
+                "name": "test",
+                "kind": 1,
+                "location": {
+                    "uri": "test",
+                    "range": {
+                        "start": {"line": 1, "character": 1},
+                        "end": {"line": 1, "character": 1},
+                    },
+                },
+            }
+        ],
+        "jsonrpc": "2.0",
+    },
+    {
+        "id": 1,
+        "result": [{"name": "test", "kind": 1, "location": {"uri": "test"}, "data": 1}],
+        "jsonrpc": "2.0",
+    },
+    {
+        "id": 1,
+        "result": [
+            {
+                "name": "test",
+                "kind": 1,
+                "location": {
+                    "uri": "test",
+                    "range": {
+                        "start": {"line": 1, "character": 1},
+                        "end": {"line": 1, "character": 1},
+                    },
+                },
+                "deprecated": True,
+            }
+        ],
+        "jsonrpc": "2.0",
+    },
+]
+
+BAD_TEST_DATA = [
+    {
+        "id": 1,
+        "result": [
+            {
+                "name": "test",
+                "kind": 1,
+                "location": {"uri": "test"},
+                "deprecated": True,
+            }
+        ],
+        "jsonrpc": "2.0",
+    },
+]
+
+
+@pytest.mark.parametrize("data", TEST_DATA)
+def test_workspace_symbols(data):
+    converter = cv.get_converter()
+    obj = converter.structure(data, lsp.WorkspaceSymbolResponse)
+    hamcrest.assert_that(obj, hamcrest.instance_of(lsp.WorkspaceSymbolResponse))
+    hamcrest.assert_that(
+        converter.unstructure(obj, lsp.WorkspaceSymbolResponse),
+        hamcrest.is_(data),
+    )
+
+
+@pytest.mark.parametrize("data", BAD_TEST_DATA)
+def test_workspace_symbols_bad(data):
+    converter = cv.get_converter()
+    with pytest.raises(ClassValidationError):
+        obj = converter.structure(data, lsp.WorkspaceSymbolResponse)
+        hamcrest.assert_that(obj, hamcrest.instance_of(lsp.WorkspaceSymbolResponse))