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# regarding copyright ownership. The ASF licenses this file
# to you 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 inspect
from unittest import TestCase
from mock import patch
import random
import gc
from allura.lib.decorators import task, memoize
from alluratest.controller import setup_basic_test, setup_global_objects
class TestTask(TestCase):
def setup_method(self, method):
setup_basic_test()
def test_no_params(self):
@task
def func():
pass
self.assertTrue(hasattr(func, 'post'))
def test_with_params(self):
@task(disable_notifications=True)
def func():
pass
self.assertTrue(hasattr(func, 'post'))
@patch('allura.lib.decorators.c')
@patch('allura.model.MonQTask')
def test_post(self, c, MonQTask):
@task(disable_notifications=True)
def func(s, foo=None, **kw):
pass
def mock_post(f, args, kw, delay=None):
self.assertTrue(c.project.notifications_disabled)
self.assertFalse('delay' in kw)
self.assertEqual(delay, 1)
self.assertEqual(kw, dict(foo=2))
self.assertEqual(args, ('test',))
self.assertEqual(f, func)
c.project.notifications_disabled = False
MonQTask.post.side_effect = mock_post
func.post('test', foo=2, delay=1)
class TestMemoize:
def test_function(self):
@memoize
def remember_randomy(do_random, foo=None):
if do_random:
return random.random()
else:
return "constant"
rand1 = remember_randomy(True)
rand2 = remember_randomy(True)
const1 = remember_randomy(False)
rand_kwargs1 = remember_randomy(True, foo='asdf')
rand_kwargs2 = remember_randomy(True, foo='xyzzy')
assert rand1 == rand2
assert const1 == "constant"
assert rand1 != rand_kwargs1
assert rand_kwargs1 != rand_kwargs2
def test_methods(self):
class Randomy:
@memoize
def randomy(self, do_random):
if do_random:
return random.random()
else:
return "constant"
@memoize
def other(self, do_random):
if do_random:
return random.random()
else:
return "constant"
r = Randomy()
rand1 = r.randomy(True)
rand2 = r.randomy(True)
const1 = r.randomy(False)
other1 = r.other(True)
other2 = r.other(True)
assert rand1 == rand2
assert const1 == "constant"
assert rand1 != other1
assert other1 == other2
r2 = Randomy()
r2rand1 = r2.randomy(True)
r2rand2 = r2.randomy(True)
r2const1 = r2.randomy(False)
r2other1 = r2.other(True)
r2other2 = r2.other(True)
assert r2rand1 != rand1
assert r2rand1 == r2rand2
assert r2other1 != other1
assert r2other1 == r2other2
def test_methods_garbage_collection(self):
class Randomy:
@memoize
def randomy(self, do_random):
if do_random:
return random.random()
else:
return "constant"
r = Randomy()
rand1 = r.randomy(True)
for gc_ref in gc.get_referrers(r):
if inspect.isframe(gc_ref):
continue
else:
raise AssertionError('Unexpected reference to `r` instance: {!r}\n'
'@memoize probably made a reference to it and has created a circular reference loop'.format(gc_ref))