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* Updating tests : stocsk > helper * Updating tests : doc * Updating tests : stop new cassettes generation * Updating tests : group helpers * Updating tests : black * Updating tests : path for parameterize_from_file
65 lines
1.8 KiB
Python
65 lines
1.8 KiB
Python
""" Test helper """
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__docformat__ = "numpy"
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import pathlib
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from typing import Callable
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import yaml
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def parameterize_from_file(test_namespace: str, parameter_file: str) -> Callable:
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"""A test helper function returns a wrapper function that loads sets of parameters from a YAML and
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attaches test scenarios as metadata
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Parameters
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----------
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test_namespace : str
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Test namespace to use within the YAML
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parameter_file : str
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Test scenario YAML to load
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Returns
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-------
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Callable
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Wrapper function
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"""
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def wrapper(function):
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test_file_base_path = pathlib.Path(__file__).parent.absolute()
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data_file_full_path = pathlib.Path(test_file_base_path, parameter_file)
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with open(data_file_full_path, encoding="utf-8") as file:
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parameter_data = yaml.full_load(file)
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idlist = []
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argnames = []
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argvalues = []
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for scenario in parameter_data[test_namespace]:
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idlist.append(scenario)
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argnames = []
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tempvalues = []
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for argname in parameter_data[test_namespace][scenario].keys():
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argnames.append(argname)
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tempvalues.append(parameter_data[test_namespace][scenario][argname])
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argvalues.append(tempvalues)
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function.test_params_names = argnames
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function.test_param_values = argvalues
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function.test_ids = idlist
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return function
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return wrapper
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def pytest_generate_tests(metafunc):
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"""https://docs.pytest.org/en/stable/parametrize.html#pytest-generate-tests"""
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if getattr(metafunc.function, "test_params_names", None):
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metafunc.parametrize(
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metafunc.function.test_params_names,
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metafunc.function.test_param_values,
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ids=metafunc.function.test_ids,
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scope="class",
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)
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