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https://github.com/pybind/pybind11.git
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66c3774a64
* Add warning wrappers that allow to call warnings from pybind level * Add missing include for warnings.h * Change messages on failed checks, extend testing * clang-tidy fix * Refactor tests for warnings * Move handle before check * Remove unnecessary parametrized
69 lines
2.1 KiB
Python
69 lines
2.1 KiB
Python
from __future__ import annotations
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import warnings
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import pytest
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import pybind11_tests # noqa: F401
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from pybind11_tests import warnings_ as m
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@pytest.mark.parametrize(
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("expected_category", "expected_message", "expected_value", "module_function"),
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[
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(Warning, "This is simple warning", 21, m.warn_and_return_value),
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(RuntimeWarning, "This is RuntimeWarning", None, m.warn_with_default_category),
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(FutureWarning, "This is FutureWarning", None, m.warn_with_different_category),
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],
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)
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def test_warning_simple(
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expected_category, expected_message, expected_value, module_function
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):
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with pytest.warns(Warning) as excinfo:
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value = module_function()
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assert issubclass(excinfo[0].category, expected_category)
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assert str(excinfo[0].message) == expected_message
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assert value == expected_value
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def test_warning_wrong_subclass_fail():
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with pytest.raises(Exception) as excinfo:
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m.warn_with_invalid_category()
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assert issubclass(excinfo.type, RuntimeError)
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assert (
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str(excinfo.value)
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== "pybind11::warnings::warn(): cannot raise warning, category must be a subclass of PyExc_Warning!"
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)
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def test_warning_double_register_fail():
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with pytest.raises(Exception) as excinfo:
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m.register_duplicate_warning()
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assert issubclass(excinfo.type, RuntimeError)
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assert (
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str(excinfo.value)
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== 'pybind11::warnings::new_warning_type(): an attribute with name "CustomWarning" exists already.'
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)
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def test_warning_register():
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assert m.CustomWarning is not None
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with pytest.warns(m.CustomWarning) as excinfo:
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warnings.warn("This is warning from Python!", m.CustomWarning, stacklevel=1)
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assert issubclass(excinfo[0].category, DeprecationWarning)
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assert str(excinfo[0].message) == "This is warning from Python!"
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def test_warning_custom():
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with pytest.warns(m.CustomWarning) as excinfo:
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value = m.warn_with_custom_type()
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assert issubclass(excinfo[0].category, DeprecationWarning)
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assert str(excinfo[0].message) == "This is CustomWarning"
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assert value == 37
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