221 lines
7.8 KiB
Python
221 lines
7.8 KiB
Python
# -*- coding: utf-8 -*-
|
|
|
|
# vim: tabstop=4 shiftwidth=4 softtabstop=4
|
|
|
|
# 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.
|
|
|
|
|
|
from taskflow import exceptions
|
|
from taskflow import test
|
|
from taskflow.tests import utils as test_utils
|
|
|
|
from taskflow.utils import misc
|
|
|
|
|
|
def _captured_failure(msg):
|
|
try:
|
|
raise RuntimeError(msg)
|
|
except Exception:
|
|
return misc.Failure()
|
|
|
|
|
|
class GeneralFailureObjTestsMixin(object):
|
|
|
|
def test_captures_message(self):
|
|
self.assertEqual(self.fail_obj.exception_str, 'Woot!')
|
|
|
|
def test_str(self):
|
|
self.assertEqual(str(self.fail_obj),
|
|
'Failure: RuntimeError: Woot!')
|
|
|
|
def test_exception_types(self):
|
|
self.assertEqual(list(self.fail_obj),
|
|
test_utils.RUNTIME_ERROR_CLASSES[:-2])
|
|
|
|
def test_check_str(self):
|
|
val = 'Exception'
|
|
self.assertEqual(self.fail_obj.check(val), val)
|
|
|
|
def test_check_str_not_there(self):
|
|
val = 'ValueError'
|
|
self.assertEqual(self.fail_obj.check(val), None)
|
|
|
|
def test_check_type(self):
|
|
self.assertIs(self.fail_obj.check(RuntimeError), RuntimeError)
|
|
|
|
def test_check_type_not_there(self):
|
|
self.assertIs(self.fail_obj.check(ValueError), None)
|
|
|
|
|
|
class CaptureFailureTestCase(test.TestCase, GeneralFailureObjTestsMixin):
|
|
|
|
def setUp(self):
|
|
super(CaptureFailureTestCase, self).setUp()
|
|
self.fail_obj = _captured_failure('Woot!')
|
|
|
|
def test_captures_value(self):
|
|
self.assertIsInstance(self.fail_obj.exception, RuntimeError)
|
|
|
|
def test_captures_exc_info(self):
|
|
exc_info = self.fail_obj.exc_info
|
|
self.assertEqual(len(exc_info), 3)
|
|
self.assertEqual(exc_info[0], RuntimeError)
|
|
self.assertIs(exc_info[1], self.fail_obj.exception)
|
|
|
|
def test_reraises(self):
|
|
self.assertRaisesRegexp(RuntimeError, '^Woot!$', self.fail_obj.reraise)
|
|
|
|
|
|
class ReCreatedFailureTestCase(test.TestCase, GeneralFailureObjTestsMixin):
|
|
|
|
def setUp(self):
|
|
super(ReCreatedFailureTestCase, self).setUp()
|
|
fail_obj = _captured_failure('Woot!')
|
|
self.fail_obj = misc.Failure(exception_str=fail_obj.exception_str,
|
|
traceback_str=fail_obj.traceback_str,
|
|
exc_type_names=list(fail_obj))
|
|
|
|
def test_value_lost(self):
|
|
self.assertIs(self.fail_obj.exception, None)
|
|
|
|
def test_no_exc_info(self):
|
|
self.assertIs(self.fail_obj.exc_info, None)
|
|
|
|
def test_reraises(self):
|
|
exc = self.assertRaises(exceptions.WrappedFailure,
|
|
self.fail_obj.reraise)
|
|
self.assertIs(exc.check(RuntimeError), RuntimeError)
|
|
|
|
|
|
class FailureObjectTestCase(test.TestCase):
|
|
|
|
def test_dont_catch_base_exception(self):
|
|
try:
|
|
raise SystemExit()
|
|
except BaseException:
|
|
self.assertRaises(TypeError, misc.Failure)
|
|
|
|
def test_unknown_argument(self):
|
|
exc = self.assertRaises(TypeError, misc.Failure,
|
|
exception_str='Woot!',
|
|
traceback_str=None,
|
|
exc_type_names=['Exception'],
|
|
hi='hi there')
|
|
expected = "Failure.__init__ got unexpected keyword argument(s): hi"
|
|
self.assertEqual(str(exc), expected)
|
|
|
|
def test_empty_does_not_reraise(self):
|
|
self.assertIs(misc.Failure.reraise_if_any([]), None)
|
|
|
|
def test_reraises_one(self):
|
|
fls = [_captured_failure('Woot!')]
|
|
self.assertRaisesRegexp(RuntimeError, '^Woot!$',
|
|
misc.Failure.reraise_if_any, fls)
|
|
|
|
def test_reraises_several(self):
|
|
fls = [
|
|
_captured_failure('Woot!'),
|
|
_captured_failure('Oh, not again!')
|
|
]
|
|
exc = self.assertRaises(exceptions.WrappedFailure,
|
|
misc.Failure.reraise_if_any, fls)
|
|
self.assertEqual(list(exc), fls)
|
|
|
|
def test_failure_copy(self):
|
|
fail_obj = _captured_failure('Woot!')
|
|
|
|
copied = fail_obj.copy()
|
|
self.assertIsNot(fail_obj, copied)
|
|
self.assertEqual(fail_obj, copied)
|
|
self.assertTrue(fail_obj.matches(copied))
|
|
|
|
def test_failure_copy_recaptured(self):
|
|
captured = _captured_failure('Woot!')
|
|
fail_obj = misc.Failure(exception_str=captured.exception_str,
|
|
traceback_str=captured.traceback_str,
|
|
exc_type_names=list(captured))
|
|
copied = fail_obj.copy()
|
|
self.assertIsNot(fail_obj, copied)
|
|
self.assertEqual(fail_obj, copied)
|
|
self.assertFalse(fail_obj != copied)
|
|
self.assertTrue(fail_obj.matches(copied))
|
|
|
|
def test_recaptured_not_eq(self):
|
|
captured = _captured_failure('Woot!')
|
|
fail_obj = misc.Failure(exception_str=captured.exception_str,
|
|
traceback_str=captured.traceback_str,
|
|
exc_type_names=list(captured))
|
|
self.assertFalse(fail_obj == captured)
|
|
self.assertTrue(fail_obj != captured)
|
|
self.assertTrue(fail_obj.matches(captured))
|
|
|
|
def test_two_captured_eq(self):
|
|
captured = _captured_failure('Woot!')
|
|
captured2 = _captured_failure('Woot!')
|
|
self.assertEqual(captured, captured2)
|
|
|
|
def test_two_recaptured_neq(self):
|
|
captured = _captured_failure('Woot!')
|
|
fail_obj = misc.Failure(exception_str=captured.exception_str,
|
|
traceback_str=captured.traceback_str,
|
|
exc_type_names=list(captured))
|
|
new_exc_str = captured.exception_str.replace('Woot', 'w00t')
|
|
fail_obj2 = misc.Failure(exception_str=new_exc_str,
|
|
traceback_str=captured.traceback_str,
|
|
exc_type_names=list(captured))
|
|
self.assertNotEqual(fail_obj, fail_obj2)
|
|
self.assertFalse(fail_obj2.matches(fail_obj))
|
|
|
|
def test_compares_to_none(self):
|
|
captured = _captured_failure('Woot!')
|
|
self.assertNotEqual(captured, None)
|
|
self.assertFalse(captured.matches(None))
|
|
|
|
|
|
class WrappedFailureTestCase(test.TestCase):
|
|
|
|
def test_simple_iter(self):
|
|
fail_obj = _captured_failure('Woot!')
|
|
wf = exceptions.WrappedFailure([fail_obj])
|
|
self.assertEqual(len(wf), 1)
|
|
self.assertEqual(list(wf), [fail_obj])
|
|
|
|
def test_simple_check(self):
|
|
fail_obj = _captured_failure('Woot!')
|
|
wf = exceptions.WrappedFailure([fail_obj])
|
|
self.assertEqual(wf.check(RuntimeError), RuntimeError)
|
|
self.assertEqual(wf.check(ValueError), None)
|
|
|
|
def test_two_failures(self):
|
|
fls = [
|
|
_captured_failure('Woot!'),
|
|
_captured_failure('Oh, not again!')
|
|
]
|
|
wf = exceptions.WrappedFailure(fls)
|
|
self.assertEqual(len(wf), 2)
|
|
self.assertEqual(list(wf), fls)
|
|
|
|
def test_flattening(self):
|
|
f1 = _captured_failure('Wrap me')
|
|
f2 = _captured_failure('Wrap me, too')
|
|
f3 = _captured_failure('Woot!')
|
|
try:
|
|
raise exceptions.WrappedFailure([f1, f2])
|
|
except Exception:
|
|
fail_obj = misc.Failure()
|
|
|
|
wf = exceptions.WrappedFailure([fail_obj, f3])
|
|
self.assertEqual(list(wf), [f1, f2, f3])
|