gtsam/python/gtsam/utils/test_case.py

44 lines
1.4 KiB
Python

"""
GTSAM Copyright 2010-2019, Georgia Tech Research Corporation,
Atlanta, Georgia 30332-0415
All Rights Reserved
See LICENSE for the license information
TestCase class with GTSAM assert utils.
Author: Frank Dellaert
"""
import pickle
import unittest
class GtsamTestCase(unittest.TestCase):
"""TestCase class with GTSAM assert utils."""
def gtsamAssertEquals(self, actual, expected, tol=1e-9):
""" AssertEqual function that prints out actual and expected if not equal.
Usage:
self.gtsamAssertEqual(actual,expected)
Keyword Arguments:
tol {float} -- tolerance passed to 'equals', default 1e-9
"""
import numpy
if isinstance(expected, numpy.ndarray):
equal = numpy.allclose(actual, expected, atol=tol)
else:
equal = actual.equals(expected, tol)
if not equal:
raise self.failureException(
"Values are not equal:\n{}!={}".format(actual, expected))
def assertEqualityOnPickleRoundtrip(self, obj: object, tol=1e-9) -> None:
""" Performs a round-trip using pickle and asserts equality.
Usage:
self.assertEqualityOnPickleRoundtrip(obj)
Keyword Arguments:
tol {float} -- tolerance passed to 'equals', default 1e-9
"""
roundTripObj = pickle.loads(pickle.dumps(obj))
self.gtsamAssertEquals(roundTripObj, obj)