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Use ABCMeta for abstract classes

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Signed-off-by: Werner Lewis <werner.lewis@arm.com>
This commit is contained in:
Werner Lewis 2022-08-24 12:18:25 +01:00
parent 169034ae63
commit 699e126942
2 changed files with 12 additions and 13 deletions
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10
tests/scripts/generate_bignum_tests.py
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@ -48,7 +48,7 @@ of BaseTarget in test_generation.py.
import itertools
import sys
from abc import abstractmethod
from abc import ABCMeta, abstractmethod
from typing import Callable, Dict, Iterator, List, Optional, Tuple, TypeVar
import scripts_path # pylint: disable=unused-import
@ -64,12 +64,12 @@ def quote_str(val):
return "\"{}\"".format(val)
class BignumTarget(test_generation.BaseTarget):
class BignumTarget(test_generation.BaseTarget, metaclass=ABCMeta):
"""Target for bignum (mpi) test case generation."""
target_basename = 'test_suite_mpi.generated'
class BignumOperation(BignumTarget):
class BignumOperation(BignumTarget, metaclass=ABCMeta):
"""Common features for test cases covering binary bignum operations.
This adds functionality common in binary operation tests. This includes
@ -118,7 +118,7 @@ class BignumOperation(BignumTarget):
return super().description()
@abstractmethod
def result(self) -> Optional[str]:
def result(self) -> str:
"""Get the result of the operation.
This may be calculated during initialization and stored as `_result`,
@ -131,7 +131,7 @@ class BignumOperation(BignumTarget):
"""Generate a description of the argument val.
This produces a simple description of the value, which are used in test
case naming, to avoid most generated cases only being numbered.
case naming, to add context to the test cases.
"""
if val == "":
return "0 (null)"