Add broad spectrum tests for python

.github/workflows/pr-check.yml

@@ -111,6 +111,9 @@ jobs:
         run: python -m pip install -U pip wheel nox
         shell: bash
 
+      - name: Generate Test Data
+        run: python -m generator --plugin testdata
+
       - name: Run tests
         run: python -m nox --session tests
         shell: bash

tests/python/test_generated_data.py

@@ -0,0 +1,34 @@
+# Copyright (c) Microsoft Corporation. All rights reserved.
+# Licensed under the MIT License.
+
+import json
+import pathlib
+from typing import Generator, List, Union
+
+import pytest
+
+import lsprotocol.converters as cv
+import lsprotocol.types as lsp
+
+TEST_DATA_ROOT = pathlib.Path(__file__).parent.parent.parent / "packages" / "testdata"
+
+
+def get_all_json_files(root: Union[pathlib.Path, str]) -> List[pathlib.Path]:
+    root_path = pathlib.Path(root)
+    return list(root_path.glob("**/*.json"))
+
+
+converter = cv.get_converter()
+
+
+@pytest.mark.parametrize("json_file", get_all_json_files(TEST_DATA_ROOT))
+def test_generated_data(json_file: str) -> None:
+    type_name, result_type, _ = json_file.name.split("-", 2)
+    lsp_type = getattr(lsp, type_name)
+    data = json.loads(json_file.read_text(encoding="utf-8"))
+
+    try:
+        converter.structure(data, lsp_type)
+        assert result_type == "True", "Expected error, but succeeded structuring"
+    except Exception as e:
+        assert result_type == "False", "Expected success, but failed structuring"