/usr/lib/python2.7/dist-packages/taskflow/tests/unit/test_exceptions.py is in python-taskflow 2.3.0-2.
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 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 | # -*- coding: utf-8 -*-
# Copyright (C) 2013 Yahoo! Inc. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import string
import six
import testtools
from taskflow import exceptions as exc
from taskflow import test
class TestExceptions(test.TestCase):
def test_cause(self):
capture = None
try:
raise exc.TaskFlowException("broken", cause=IOError("dead"))
except Exception as e:
capture = e
self.assertIsNotNone(capture)
self.assertIsInstance(capture, exc.TaskFlowException)
self.assertIsNotNone(capture.cause)
self.assertIsInstance(capture.cause, IOError)
def test_cause_pformat(self):
capture = None
try:
raise exc.TaskFlowException("broken", cause=IOError("dead"))
except Exception as e:
capture = e
self.assertIsNotNone(capture)
self.assertGreater(0, len(capture.pformat()))
def test_raise_with(self):
capture = None
try:
raise IOError('broken')
except Exception:
try:
exc.raise_with_cause(exc.TaskFlowException, 'broken')
except Exception as e:
capture = e
self.assertIsNotNone(capture)
self.assertIsInstance(capture, exc.TaskFlowException)
self.assertIsNotNone(capture.cause)
self.assertIsInstance(capture.cause, IOError)
def test_no_looping(self):
causes = []
for a in string.ascii_lowercase:
try:
cause = causes[-1]
except IndexError:
cause = None
causes.append(exc.TaskFlowException('%s broken' % a, cause=cause))
e = causes[0]
last_e = causes[-1]
e._cause = last_e
self.assertIsNotNone(e.pformat())
def test_pformat_str(self):
ex = None
try:
try:
try:
raise IOError("Didn't work")
except IOError:
exc.raise_with_cause(exc.TaskFlowException,
"It didn't go so well")
except exc.TaskFlowException:
exc.raise_with_cause(exc.TaskFlowException, "I Failed")
except exc.TaskFlowException as e:
ex = e
self.assertIsNotNone(ex)
self.assertIsInstance(ex, exc.TaskFlowException)
self.assertIsInstance(ex.cause, exc.TaskFlowException)
self.assertIsInstance(ex.cause.cause, IOError)
p_msg = ex.pformat()
p_str_msg = str(ex)
for msg in ["I Failed", "It didn't go so well", "Didn't work"]:
self.assertIn(msg, p_msg)
self.assertIn(msg, p_str_msg)
def test_pformat_root_class(self):
ex = exc.TaskFlowException("Broken")
self.assertIn("TaskFlowException",
ex.pformat(show_root_class=True))
self.assertNotIn("TaskFlowException",
ex.pformat(show_root_class=False))
self.assertIn("Broken",
ex.pformat(show_root_class=True))
def test_invalid_pformat_indent(self):
ex = exc.TaskFlowException("Broken")
self.assertRaises(ValueError, ex.pformat, indent=-100)
@testtools.skipIf(not six.PY3, 'py3.x is not available')
def test_raise_with_cause(self):
capture = None
try:
raise IOError('broken')
except Exception:
try:
exc.raise_with_cause(exc.TaskFlowException, 'broken')
except Exception as e:
capture = e
self.assertIsNotNone(capture)
self.assertIsInstance(capture, exc.TaskFlowException)
self.assertIsNotNone(capture.cause)
self.assertIsInstance(capture.cause, IOError)
self.assertIsNotNone(capture.__cause__)
self.assertIsInstance(capture.__cause__, IOError)
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