mirror of
https://github.com/sunnypilot/sunnypilot.git
synced 2026-08-15 22:43:43 +08:00
Adeeb Shihadeh
93 lines
3.0 KiB
Python
93 lines
3.0 KiB
Python
import re
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import sys
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import inspect
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import unittest
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def _to_safe_name(s):
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return re.sub(r"[^a-zA-Z0-9_]+", "_", str(s)).strip("_")
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class parameterized:
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@staticmethod
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def expand(cases, names=None, ids=None, serial=False):
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cases = list(cases)
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if not cases:
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return lambda func: unittest.skip("no parameterized cases")(func)
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if serial:
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def decorator(func):
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normalized = [case if isinstance(case, tuple) else (case,) for case in cases]
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def wrapper(self):
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for case in normalized:
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with self.subTest():
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func(self, *case)
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wrapper.__name__ = func.__name__
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wrapper.__doc__ = func.__doc__
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return wrapper
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return decorator
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return lambda func: _Expanded(func, cases, names, ids)
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class _Expanded:
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"""Descriptor that turns every parameter case into a real unittest method."""
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def __init__(self, func, cases, names, ids):
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self.func = func
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self.cases = [c if isinstance(c, tuple) else (c,) for c in cases]
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self.names = names
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self.ids = ids
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def __set_name__(self, owner, name):
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params = [p for p in inspect.signature(self.func).parameters if p != "self"]
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for index, case in enumerate(self.cases):
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label = self.ids(*case) if self.ids is not None else None
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method_name = f"{name}_{index}" + (f"_{_to_safe_name(label)}" if label is not None else "")
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def test_method(test_case, current_case=case):
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if self.names is None:
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self.func(test_case, *current_case)
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else:
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values = dict(zip(self.names, current_case, strict=True))
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values.update({param: test_case._fixture(param) for param in params if param not in values})
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self.func(test_case, **values)
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test_method.__name__ = method_name
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test_method.__doc__ = self.func.__doc__
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setattr(owner, method_name, test_method)
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# The descriptor itself is only a method factory, not a test.
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setattr(owner, name, None)
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def parameterized_class(attrs, input_list=None):
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if isinstance(attrs, list) and (not attrs or isinstance(attrs[0], dict)):
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params_list = attrs
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else:
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assert input_list is not None
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attr_names = (attrs,) if isinstance(attrs, str) else tuple(attrs)
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params_list = [dict(zip(attr_names, v if isinstance(v, (tuple, list)) else (v,), strict=False)) for v in input_list]
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def decorator(cls):
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globs = sys._getframe(1).f_globals
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for i, params in enumerate(params_list):
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# Append sanitized values so unittest's -k can filter by them.
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suffix = "_".join(filter(None, (_to_safe_name(v) for v in params.values() if isinstance(v, str))))
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name = f"{cls.__name__}_{i}" + (f"_{suffix}" if suffix else "")
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new_cls = type(name, (cls,), dict(params))
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new_cls.__module__ = cls.__module__
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new_cls.__unittest_skip__ = False
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globs[name] = new_cls
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# Don't collect the un-parametrised base.
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cls.__unittest_skip__ = True
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cls.__unittest_skip_why__ = "parameterized base class"
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return cls
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return decorator
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