/usr/lib/python2.7/dist-packages/pyvisa/testsuite/__init__.py is in python-pyvisa 1.8-2.
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 | # -*- coding: utf-8 -*-
from __future__ import division, unicode_literals, print_function, absolute_import
import os
import logging
from contextlib import contextmanager
from logging.handlers import BufferingHandler
from pyvisa import logger
from pyvisa.compat import unittest
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, record):
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 None:
yield th.buffer
else:
l = len(self._test_handler.buffer)
yield th.buffer
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))
def testsuite():
"""A testsuite that has all the pyvisa 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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