Adding unit test for checking the copyright headers and removing the check_copyright_headers in ci_tools

.github/workflows/ci.yml

@@ -32,7 +32,7 @@ jobs:
         run: pyright .
 
       - name: Run vulture check
-        run: vulture src/ tests/ ci_tools/ --min-confidence 100
+        run: vulture src/ tests/ --min-confidence 100
 
       - name: Import linter
         run: PYTHONPATH=src lint-imports

tests/test_check_copyright_headers.py

@@ -0,0 +1,40 @@
+# Copyright (c) 2024, NVIDIA CORPORATION.  All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from pathlib import Path
+
+import pytest
+
+HEADER = """# Copyright (c) 2024, NVIDIA CORPORATION.  All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License."""
+
+PY_FILES = [p for p in Path().rglob("**/*.py") if "venv" not in str(p)]
+
+
+@pytest.mark.parametrize("py_file", PY_FILES, ids=[str(f) for f in PY_FILES])
+def test_check_copyright_header(py_file):
+    with open(py_file, "r") as file:
+        first_lines = [next(file).strip() for _ in range(13)]
+    assert "\n".join(first_lines) == HEADER