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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, setup_path
import os
import tempfile
import weakref
import svn.delta
import svn.core
from sys import version_info # For Python version check
from io import BytesIO
# Test case for svn.delta
class DeltaTestCase(unittest.TestCase):
def testTxWindowHandler(self):
"""Test tx_invoke_window_handler"""
src_stream = BytesIO("hello world".encode('UTF-8'))
target_stream = BytesIO("bye world".encode('UTF-8'))
# Invoke the window_handler using a helper function
window_handler, baton = \
svn.delta.tx_apply(src_stream, target_stream, None)
svn.delta.tx_invoke_window_handler(window_handler, None, baton)
# Invoke the window_handler directly (easier!)
window_handler, baton = \
svn.delta.tx_apply(src_stream, target_stream, None)
window_handler(None, baton)
def testTxWindowHandler_stream_IF(self):
"""Test tx_invoke_window_handler, with svn.core.svn_stream_t object"""
pool = svn.core.Pool()
in_str = b"hello world"
src_stream = svn.core.svn_stream_from_stringbuf(in_str)
content_str = b"bye world"
content_stream = svn.core.svn_stream_from_stringbuf(content_str)
fd, fname = tempfile.mkstemp()
fname_bytes = fname if isinstance(fname, bytes) else fname.encode('UTF-8')
os.close(fd)
try:
target_stream = svn.core.svn_stream_from_aprfile2(fname_bytes, False)
window_handler, baton = \
svn.delta.tx_apply(src_stream, target_stream, None)
svn.delta.tx_send_stream(content_stream, window_handler, baton, pool)
fp = open(fname, 'rb')
out_str = fp.read()
fp.close()
self.assertEqual(content_str, out_str)
finally:
del pool
try:
os.remove(fname)
except OSError:
pass
def testTxWindowHandler_Stream_IF(self):
"""Test tx_invoke_window_handler, with svn.core.Stream object"""
pool = svn.core.Pool()
in_str = b"hello world"
src_stream = svn.core.Stream(
svn.core.svn_stream_from_stringbuf(in_str))
content_str = b"bye world"
content_stream = svn.core.Stream(
svn.core.svn_stream_from_stringbuf(content_str))
fd, fname = tempfile.mkstemp()
fname_bytes = fname if isinstance(fname, bytes) else fname.encode('UTF-8')
os.close(fd)
try:
target_stream = svn.core.Stream(
svn.core.svn_stream_from_aprfile2(fname_bytes, False))
window_handler, baton = \
svn.delta.tx_apply(src_stream, target_stream, None)
svn.delta.tx_send_stream(content_stream, window_handler, baton, None)
fp = open(fname, 'rb')
out_str = fp.read()
fp.close()
self.assertEqual(content_str, out_str)
finally:
del pool
try:
os.remove(fname)
except OSError:
pass
def testTxdeltaWindowT(self):
"""Test the svn_txdelta_window_t wrapper."""
a = BytesIO("abc\ndef\n".encode('UTF-8'))
b = BytesIO("def\nghi\n".encode('UTF-8'))
delta_stream = svn.delta.svn_txdelta(a, b)
window = svn.delta.svn_txdelta_next_window(delta_stream)
self.assertTrue(window.sview_offset + window.sview_len <= len(a.getvalue()))
self.assertTrue(window.tview_len <= len(b.getvalue()))
self.assertTrue(len(window.new_data) > 0)
self.assertEqual(window.num_ops, len(window.ops))
self.assertEqual(window.src_ops, len([op for op in window.ops
if op.action_code == svn.delta.svn_txdelta_source]))
# Check that the ops inherit the window's pool
self.assertEqual(window.ops[0]._parent_pool, window._parent_pool)
def testMakeEditorLeak(self):
"""Issue 4916, check ref-count leak on svn.delta.make_editor()"""
pool = svn.core.Pool()
editor = svn.delta.Editor()
editor_ref = weakref.ref(editor)
e_ptr, e_baton = svn.delta.make_editor(editor, pool)
del e_ptr, e_baton
self.assertNotEqual(editor_ref(), None)
del pool
self.assertNotEqual(editor_ref(), None)
del editor
self.assertEqual(editor_ref(), None)
def suite():
return unittest.defaultTestLoader.loadTestsFromTestCase(DeltaTestCase)
if __name__ == '__main__':
runner = unittest.TextTestRunner()
runner.run(suite())
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