amaranth/nmigen/test/tools.py
2018-12-13 11:01:03 +00:00

26 lines
735 B
Python

import re
import unittest
from contextlib import contextmanager
from ..fhdl.ast import *
__all__ = ["FHDLTestCase"]
class FHDLTestCase(unittest.TestCase):
def assertRepr(self, obj, repr_str):
obj = Statement.wrap(obj)
repr_str = re.sub(r"\s+", " ", repr_str)
repr_str = re.sub(r"\( (?=\()", "(", repr_str)
repr_str = re.sub(r"\) (?=\))", ")", repr_str)
self.assertEqual(repr(obj), repr_str.strip())
@contextmanager
def assertRaises(self, exception, msg=None):
with super().assertRaises(exception) as cm:
yield
if msg is not None:
# WTF? unittest.assertRaises is completely broken.
self.assertEqual(str(cm.exception), msg)