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# Copyright (c) 2023-2024 Arista Networks, Inc.
# Use of this source code is governed by the Apache License 2.0
# that can be found in the LICENSE file.
"""See https://docs.pytest.org/en/stable/reference/fixtures.html#conftest-py-sharing-fixtures-across-multiple-files."""
from typing import Any
import pytest
def build_test_id(val: dict[str, Any]) -> str:
"""Build id for a unit test of an AntaTest subclass.
{
"name": "meaniful test name",
"test": <AntaTest instance>,
...
}
"""
return f"{val['test'].__module__}.{val['test'].__name__}-{val['name']}"
def pytest_generate_tests(metafunc: pytest.Metafunc) -> None:
"""Generate ANTA tests unit tests dynamically during test collection.
It will parametrize test cases based on the `DATA` data structure defined in `tests.units.anta_tests` modules.
See `tests/units/anta_tests/README.md` for more information on how to use it.
Test IDs are generated using the `build_test_id` function above.
Checking that only the function "test" is parametrized with data to allow for writing tests for helper functions
in each module.
"""
if "tests.units.anta_tests" in metafunc.module.__package__ and metafunc.function.__name__ == "test":
# This is a unit test for an AntaTest subclass
metafunc.parametrize("data", metafunc.module.DATA, ids=build_test_id)
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