param_source: allow plugging a random implementation (for testing)

Change-Id: Idce2b18af70c17844d6f09f7704efc869456ac39
This commit is contained in:
Neels Hofmeyr
2025-08-05 03:19:30 +02:00
parent 5544a0f7c9
commit 05cf68a4a4

View File

@@ -123,15 +123,18 @@ class DecimalRangeSource(InputExpandingParamSource):
def val_to_digit(self, val:int):
return "%0*d" % (self.num_digits, val) # pylint: disable=consider-using-f-string
class RandomDigitSource(DecimalRangeSource):
class RandomSourceMixin:
random_impl = random # TODO secure random source?
class RandomDigitSource(DecimalRangeSource, RandomSourceMixin):
"""return a different sequence of random decimal digits each"""
name = "random decimal digits"
def get_next(self, csv_row:dict=None):
val = random.randint(*self.val_first_last) # TODO secure random source?
val = self.random_impl.randint(*self.val_first_last)
return self.val_to_digit(val)
class RandomHexDigitSource(InputExpandingParamSource):
class RandomHexDigitSource(InputExpandingParamSource, RandomSourceMixin):
"""return a different sequence of random hexadecimal digits each"""
name = "random hexadecimal digits"
numeric_base = 16
@@ -149,7 +152,7 @@ class RandomHexDigitSource(InputExpandingParamSource):
self.num_digits = num_digits
def get_next(self, csv_row:dict=None):
val = random.randbytes(self.num_digits // 2) # TODO secure random source?
val = self.random_impl.randbytes(self.num_digits // 2)
return b2h(val)
class IncDigitSource(DecimalRangeSource):