/usr/lib/python3/dist-packages/pint/testsuite/__init__.py is in python3-pint 0.6-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 | # -*- coding: utf-8 -*-
from __future__ import division, unicode_literals, print_function, absolute_import
import os
import logging
from contextlib import contextmanager
from pint.compat import ndarray, unittest, np
from pint import logger, UnitRegistry
from pint.quantity import _Quantity
from logging.handlers import BufferingHandler
class TestHandler(BufferingHandler):
def __init__(self, only_warnings=False):
# BufferingHandler takes a "capacity" argument
# so as to know when to flush. As we're overriding
# shouldFlush anyway, we can set a capacity of zero.
# You can call flush() manually to clear out the
# buffer.
self.only_warnings = only_warnings
BufferingHandler.__init__(self, 0)
def shouldFlush(self):
return False
def emit(self, record):
if self.only_warnings and record.level != logging.WARNING:
return
self.buffer.append(record.__dict__)
class BaseTestCase(unittest.TestCase):
CHECK_NO_WARNING = True
@contextmanager
def capture_log(self, level=logging.DEBUG):
th = TestHandler()
th.setLevel(level)
logger.addHandler(th)
if self._test_handler is not None:
l = len(self._test_handler.buffer)
yield th.buffer
if self._test_handler is not None:
self._test_handler.buffer = self._test_handler.buffer[:l]
def setUp(self):
self._test_handler = None
if self.CHECK_NO_WARNING:
self._test_handler = th = TestHandler()
th.setLevel(logging.WARNING)
logger.addHandler(th)
def tearDown(self):
if self._test_handler is not None:
buf = self._test_handler.buffer
l = len(buf)
msg = '\n'.join(record.get('msg', str(record)) for record in buf)
self.assertEqual(l, 0, msg='%d warnings raised.\n%s' % (l, msg))
class QuantityTestCase(BaseTestCase):
FORCE_NDARRAY = False
@classmethod
def setUpClass(cls):
cls.ureg = UnitRegistry(force_ndarray=cls.FORCE_NDARRAY)
cls.Q_ = cls.ureg.Quantity
def _get_comparable_magnitudes(self, first, second, msg):
if isinstance(first, _Quantity) and isinstance(second, _Quantity):
second = second.to(first)
self.assertEqual(first.units, second.units, msg=msg + 'Units are not equal.')
m1, m2 = first.magnitude, second.magnitude
elif isinstance(first, _Quantity):
self.assertTrue(first.dimensionless, msg=msg + 'The first is not dimensionless.')
first = first.to('')
m1, m2 = first.magnitude, second
elif isinstance(second, _Quantity):
self.assertTrue(second.dimensionless, msg=msg + 'The second is not dimensionless.')
second = second.to('')
m1, m2 = first, second.magnitude
else:
m1, m2 = first, second
return m1, m2
def assertQuantityEqual(self, first, second, msg=None):
if msg is None:
msg = 'Comparing %r and %r. ' % (first, second)
m1, m2 = self._get_comparable_magnitudes(first, second, msg)
if isinstance(m1, ndarray) or isinstance(m2, ndarray):
np.testing.assert_array_equal(m1, m2, err_msg=msg)
else:
unittest.TestCase.assertEqual(self, m1, m2, msg)
def assertQuantityAlmostEqual(self, first, second, rtol=1e-07, atol=0, msg=None):
if msg is None:
msg = 'Comparing %r and %r. ' % (first, second)
m1, m2 = self._get_comparable_magnitudes(first, second, msg)
if isinstance(m1, ndarray) or isinstance(m2, ndarray):
np.testing.assert_allclose(m1, m2, rtol=rtol, atol=atol, err_msg=msg)
else:
self.assertLessEqual(abs(m1 - m2), atol + rtol * abs(m2))
def testsuite():
"""A testsuite that has all the pint tests.
"""
return unittest.TestLoader().discover(os.path.dirname(__file__))
def main():
"""Runs the testsuite as command line application.
"""
try:
unittest.main()
except Exception as e:
print('Error: %s' % e)
def run():
"""Run all tests.
:return: a :class:`unittest.TestResult` object
"""
test_runner = unittest.TextTestRunner()
return test_runner.run(testsuite())
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