This file is indexed.

/usr/lib/python3/dist-packages/taskflow/test.py is in python3-taskflow 3.1.0-0ubuntu2.

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
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
# -*- coding: utf-8 -*-

#    Copyright (C) 2012 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.

from __future__ import absolute_import

import collections
import logging

import fixtures
import mock
from oslotest import base
import six

from testtools import compat
from testtools import matchers
from testtools import testcase

from taskflow import exceptions
from taskflow.tests import utils
from taskflow.utils import misc


class GreaterThanEqual(object):
    """Matches if the item is geq than the matchers reference object."""

    def __init__(self, source):
        self.source = source

    def match(self, other):
        if other >= self.source:
            return None
        return matchers.Mismatch("%s was not >= %s" % (other, self.source))


class FailureRegexpMatcher(object):
    """Matches if the failure was caused by the given exception and message.

    This will match if a given failure contains and exception of the given
    class type and if its string message matches to the given regular
    expression pattern.
    """

    def __init__(self, exc_class, pattern):
        self.exc_class = exc_class
        self.pattern = pattern

    def match(self, failure):
        for cause in failure:
            if cause.check(self.exc_class) is not None:
                return matchers.MatchesRegex(
                    self.pattern).match(cause.exception_str)
        return matchers.Mismatch("The `%s` wasn't caused by the `%s`" %
                                 (failure, self.exc_class))


class ItemsEqual(object):
    """Matches the items in two sequences.

    This matcher will validate that the provided sequence has the same elements
    as a reference sequence, regardless of the order.
    """

    def __init__(self, seq):
        self._seq = seq
        self._list = list(seq)

    def match(self, other):
        other_list = list(other)
        extra = misc.sequence_minus(other_list, self._list)
        missing = misc.sequence_minus(self._list, other_list)
        if extra or missing:
            msg = ("Sequences %s and %s do not have same items."
                   % (self._seq, other))
            if missing:
                msg += " Extra items in first sequence: %s." % missing
            if extra:
                msg += " Extra items in second sequence: %s." % extra
            return matchers.Mismatch(msg)
        return None


class TestCase(base.BaseTestCase):
    """Test case base class for all taskflow unit tests."""

    def makeTmpDir(self):
        t_dir = self.useFixture(fixtures.TempDir())
        return t_dir.path

    def assertDictEqual(self, expected, check):
        self.assertIsInstance(expected, dict,
                              'First argument is not a dictionary')
        self.assertIsInstance(check, dict,
                              'Second argument is not a dictionary')

        # Testtools seems to want equals objects instead of just keys?
        compare_dict = {}
        for k in list(six.iterkeys(expected)):
            if not isinstance(expected[k], matchers.Equals):
                compare_dict[k] = matchers.Equals(expected[k])
            else:
                compare_dict[k] = expected[k]
        self.assertThat(matchee=check,
                        matcher=matchers.MatchesDict(compare_dict))

    def assertRaisesAttrAccess(self, exc_class, obj, attr_name):

        def access_func():
            getattr(obj, attr_name)

        self.assertRaises(exc_class, access_func)

    def assertRaisesRegex(self, exc_class, pattern, callable_obj,
                          *args, **kwargs):
        # TODO(harlowja): submit a pull/review request to testtools to add
        # this method to there codebase instead of having it exist in ours
        # since it really doesn't belong here.

        class ReRaiseOtherTypes(object):
            def match(self, matchee):
                if not issubclass(matchee[0], exc_class):
                    compat.reraise(*matchee)

        class CaptureMatchee(object):
            def match(self, matchee):
                self.matchee = matchee[1]

        capture = CaptureMatchee()
        matcher = matchers.Raises(matchers.MatchesAll(ReRaiseOtherTypes(),
                                  matchers.MatchesException(exc_class,
                                                            pattern),
                                  capture))
        our_callable = testcase.Nullary(callable_obj, *args, **kwargs)
        self.assertThat(our_callable, matcher)
        return capture.matchee

    def assertGreater(self, first, second):
        matcher = matchers.GreaterThan(first)
        self.assertThat(second, matcher)

    def assertGreaterEqual(self, first, second):
        matcher = GreaterThanEqual(first)
        self.assertThat(second, matcher)

    def assertRegexpMatches(self, text, pattern):
        matcher = matchers.MatchesRegex(pattern)
        self.assertThat(text, matcher)

    def assertIsSuperAndSubsequence(self, super_seq, sub_seq, msg=None):
        super_seq = list(super_seq)
        sub_seq = list(sub_seq)
        current_tail = super_seq
        for sub_elem in sub_seq:
            try:
                super_index = current_tail.index(sub_elem)
            except ValueError:
                # element not found
                if msg is None:
                    msg = ("%r is not subsequence of %r: "
                           "element %r not found in tail %r"
                           % (sub_seq, super_seq, sub_elem, current_tail))
                self.fail(msg)
            else:
                current_tail = current_tail[super_index + 1:]

    def assertFailuresRegexp(self, exc_class, pattern, callable_obj, *args,
                             **kwargs):
        """Asserts the callable failed with the given exception and message."""
        try:
            with utils.wrap_all_failures():
                callable_obj(*args, **kwargs)
        except exceptions.WrappedFailure as e:
            self.assertThat(e, FailureRegexpMatcher(exc_class, pattern))

    def assertItemsEqual(self, seq1, seq2, msg=None):
        matcher = ItemsEqual(seq1)
        self.assertThat(seq2, matcher)


class MockTestCase(TestCase):

    def setUp(self):
        super(MockTestCase, self).setUp()
        self.master_mock = mock.Mock(name='master_mock')

    def patch(self, target, autospec=True, **kwargs):
        """Patch target and attach it to the master mock."""
        f = self.useFixture(fixtures.MockPatch(target,
                                               autospec=autospec, **kwargs))
        mocked = f.mock
        attach_as = kwargs.pop('attach_as', None)
        if attach_as is not None:
            self.master_mock.attach_mock(mocked, attach_as)
        return mocked

    def patchClass(self, module, name, autospec=True, attach_as=None):
        """Patches a modules class.

        This will create a class instance mock (using the provided name to
        find the class in the module) and attach a mock class the master mock
        to be cleaned up on test exit.
        """
        if autospec:
            instance_mock = mock.Mock(spec_set=getattr(module, name))
        else:
            instance_mock = mock.Mock()

        f = self.useFixture(fixtures.MockPatchObject(module, name,
                                                     autospec=autospec))
        class_mock = f.mock
        class_mock.return_value = instance_mock

        if attach_as is None:
            attach_class_as = name
            attach_instance_as = name.lower()
        else:
            attach_class_as = attach_as + '_class'
            attach_instance_as = attach_as

        self.master_mock.attach_mock(class_mock, attach_class_as)
        self.master_mock.attach_mock(instance_mock, attach_instance_as)
        return class_mock, instance_mock

    def resetMasterMock(self):
        self.master_mock.reset_mock()


class CapturingLoggingHandler(logging.Handler):
    """A handler that saves record contents for post-test analysis."""

    def __init__(self, level=logging.DEBUG):
        # It seems needed to use the old style of base class calling, we
        # can remove this old style when we only support py3.x
        logging.Handler.__init__(self, level=level)
        self._records = []

    @property
    def counts(self):
        """Returns a dictionary with the number of records at each level."""
        self.acquire()
        try:
            captured = collections.defaultdict(int)
            for r in self._records:
                captured[r.levelno] += 1
            return captured
        finally:
            self.release()

    @property
    def messages(self):
        """Returns a dictionary with list of record messages at each level."""
        self.acquire()
        try:
            captured = collections.defaultdict(list)
            for r in self._records:
                captured[r.levelno].append(r.getMessage())
            return captured
        finally:
            self.release()

    @property
    def exc_infos(self):
        """Returns a list of all the record exc_info tuples captured."""
        self.acquire()
        try:
            captured = []
            for r in self._records:
                if r.exc_info:
                    captured.append(r.exc_info)
            return captured
        finally:
            self.release()

    def emit(self, record):
        self.acquire()
        try:
            self._records.append(record)
        finally:
            self.release()

    def reset(self):
        """Resets *all* internally captured state."""
        self.acquire()
        try:
            self._records = []
        finally:
            self.release()

    def close(self):
        logging.Handler.close(self)
        self.reset()