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#
#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# 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 unittest, weakref, setup_path
import os, tempfile
import svn.core, svn.client, libsvn.core
from svn.core import *
from libsvn.core import application_pool, GenericSWIGWrapper
# Test case for the new automatic pool management infrastructure
class PoolTestCase(unittest.TestCase):
def assertNotNone(self, value):
"""Assert that the specified value is not None"""
return self.assertNotEqual(value, None)
def assertNone(self, value):
"""Assert that the specified value is None"""
return self.assertEqual(value, None)
def test_object_struct_members(self):
"""Check that object struct members work correctly"""
# Test good object assignment operations
client_ctx = svn.client.svn_client_create_context()
auth = svn.core.svn_auth_open([])
client_ctx.auth_baton = auth
# Check that parent pools are set correctly on struct accesses
self.assertEqual(client_ctx.auth_baton._parent_pool, auth._parent_pool)
# Test bad object assignment operations
def test_bad_assignment(self):
head_revision = svn.core.svn_opt_revision_t()
head_revision.kind = auth
self.assertRaises(TypeError, test_bad_assignment)
def test_object_hash_struct_members(self):
"""Check that struct members which are hashes of objects work correctly"""
# Get an empty config
(cfg_fd, cfg_name) = tempfile.mkstemp(prefix="conf-")
os.close(cfg_fd)
try:
cfg = svn.core.svn_config_read(
svn.core.svn_dirent_internal_style(cfg_name),
False)
finally:
os.remove(cfg_name)
client_ctx = svn.client.svn_client_create_context()
category = svn.core.SVN_CONFIG_CATEGORY_SERVERS
client_ctx.config = { category: cfg }
# Check that parent pools are set correctly
self.assertEqual(client_ctx.config[category]._parent_pool,
cfg._parent_pool)
# Test invalid assignment
def test_bad_assignment(self):
client_ctx.config = 42
self.assertRaises(TypeError, test_bad_assignment)
def test_assert_valid(self):
"""Test assert_valid method on proxy objects"""
# Test assert_valid with destroy()
client_ctx = svn.client.svn_client_create_context()
auth = svn.core.svn_auth_open([])
wrapped_auth = GenericSWIGWrapper(auth, auth._parent_pool)
client_ctx.auth_baton = auth
auth.assert_valid()
wrapped_auth.assert_valid()
client_ctx.auth_baton.assert_valid()
auth._parent_pool.destroy()
self.assertRaises(AssertionError, lambda: auth.assert_valid())
self.assertRaises(AssertionError, lambda: wrapped_auth.assert_valid())
self.assertRaises(AssertionError, lambda: client_ctx.auth_baton)
# Test assert_valid with clear()
client_ctx = svn.client.svn_client_create_context()
auth = svn.core.svn_auth_open([])
wrapped_auth = GenericSWIGWrapper(auth, auth._parent_pool)
client_ctx.auth_baton = auth
auth.assert_valid()
wrapped_auth.assert_valid()
client_ctx.auth_baton.assert_valid()
auth._parent_pool.clear()
self.assertRaises(AssertionError, lambda: auth.assert_valid())
self.assertRaises(AssertionError, lambda: wrapped_auth.assert_valid())
self.assertRaises(AssertionError, lambda: client_ctx.auth_baton)
def test_integer_struct_members(self):
"""Check that integer struct members work correctly"""
# Test good integer assignment operations
rev = svn.core.svn_opt_revision_t()
rev.kind = svn.core.svn_opt_revision_number
rev.value.number = 10
self.assertEqual(rev.kind, svn.core.svn_opt_revision_number)
self.assertEqual(rev.value.number, 10)
# Test bad integer assignment operations
def test_bad_assignment(self):
client_ctx = svn.client.svn_client_create_context()
client_ctx.config = 2
self.assertRaises(TypeError, test_bad_assignment)
def test_pool(self):
# Create pools
parent_pool = Pool()
parent_pool_ref = weakref.ref(parent_pool)
pool = Pool(Pool(parent_pool))
pool = Pool(pool)
# Make sure proper exceptions are raised with incorrect input
self.assertRaises(TypeError, lambda: Pool("abcd"))
# Check that garbage collection is working OK
self.assertNotNone(parent_pool_ref())
top_pool_ref = weakref.ref(parent_pool._parent_pool)
del parent_pool
self.assertNotNone(parent_pool_ref())
self.assertNotNone(top_pool_ref())
pool.clear()
newpool = libsvn.core.svn_pool_create(pool)
libsvn.core.apr_pool_destroy(newpool)
self.assertNotNone(newpool)
pool.clear()
self.assertNotNone(parent_pool_ref())
del pool
self.assertNotNone(parent_pool_ref())
del newpool
self.assertNone(parent_pool_ref())
self.assertNone(top_pool_ref())
# Make sure anonymous pools are destroyed properly
anonymous_pool_ref = weakref.ref(Pool())
self.assertNone(anonymous_pool_ref())
def test_compatibility_layer(self):
# Create a new pool
pool = Pool()
parent_pool_ref = weakref.ref(pool)
pool = svn_pool_create(Pool(pool))
pool_ref = weakref.ref(pool)
# Make sure proper exceptions are raised with incorrect input
self.assertRaises(TypeError, lambda: svn_pool_create("abcd"))
# Test whether pools are destroyed properly
pool = svn_pool_create(pool)
self.assertNotNone(pool_ref())
self.assertNotNone(parent_pool_ref())
del pool
self.assertNone(pool_ref())
self.assertNone(parent_pool_ref())
# Ensure that AssertionErrors are raised when a pool is deleted twice
newpool = Pool()
newpool2 = Pool(newpool)
svn_pool_clear(newpool)
self.assertRaises(AssertionError, lambda: libsvn.core.apr_pool_destroy(newpool2))
self.assertRaises(AssertionError, lambda: svn_pool_destroy(newpool2))
svn_pool_destroy(newpool)
self.assertRaises(AssertionError, lambda: svn_pool_destroy(newpool))
# Try to allocate memory from a destroyed pool
self.assertRaises(AssertionError, lambda: svn_pool_create(newpool))
# Create and destroy a pool
svn_pool_destroy(svn_pool_create())
# Make sure anonymous pools are destroyed properly
anonymous_pool_ref = weakref.ref(svn_pool_create())
self.assertNone(anonymous_pool_ref())
# Try to cause a segfault using apr_terminate
apr_terminate()
apr_initialize()
apr_terminate()
apr_terminate()
# Destroy the application pool
svn_pool_destroy(libsvn.core.application_pool)
# Double check that the application pool has been deleted
self.assertNone(libsvn.core.application_pool)
# Try to allocate memory from the old application pool
self.assertRaises(AssertionError, lambda: svn_pool_create(application_pool))
# Bring the application pool back to life
svn_pool_create()
# Double check that the application pool has been created
self.assertNotNone(libsvn.core.application_pool)
# We can still destroy and create pools at will
svn_pool_destroy(svn_pool_create())
def suite():
return unittest.defaultTestLoader.loadTestsFromTestCase(PoolTestCase)
if __name__ == '__main__':
runner = unittest.TextTestRunner()
runner.run(suite())
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