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#!/usr/bin/env python
#
# Public Domain 2014-2017 MongoDB, Inc.
# Public Domain 2008-2014 WiredTiger, Inc.
#
# This is free and unencumbered software released into the public domain.
#
# Anyone is free to copy, modify, publish, use, compile, sell, or
# distribute this software, either in source code form or as a compiled
# binary, for any purpose, commercial or non-commercial, and by any
# means.
#
# In jurisdictions that recognize copyright laws, the author or authors
# of this software dedicate any and all copyright interest in the
# software to the public domain. We make this dedication for the benefit
# of the public at large and to the detriment of our heirs and
# successors. We intend this dedication to be an overt act of
# relinquishment in perpetuity of all present and future rights to this
# software under copyright law.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
# IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
# OTHER DEALINGS IN THE SOFTWARE.
#
import glob, os, shutil, string, subprocess
import wiredtiger
from wtdataset import SimpleDataSet, SimpleIndexDataSet, ComplexDataSet
# python has a filecmp.cmp function, but different versions of python approach
# file comparison differently. To make sure we get byte for byte comparison,
# we define it here.
def compare_files(self, filename1, filename2):
self.pr('compare_files: ' + filename1 + ', ' + filename2)
bufsize = 4096
if os.path.getsize(filename1) != os.path.getsize(filename2):
print 'file comparison failed: ' + filename1 + ' size ' +\
str(os.path.getsize(filename1)) + ' != ' + filename2 +\
' size ' + str(os.path.getsize(filename2))
return False
with open(filename1, "rb") as fp1:
with open(filename2, "rb") as fp2:
while True:
b1 = fp1.read(bufsize)
b2 = fp2.read(bufsize)
if b1 != b2:
return False
# files are identical size
if not b1:
return True
# Iterate over a set of tables, ensuring that they have identical contents
def compare_tables(self, session, uris, config=None):
cursors = list()
for next_uri in uris:
cursors.append(session.open_cursor(next_uri, None, config))
try:
done = False
while not done:
keys = list()
for next_cursor in cursors:
if (next_cursor.next() == wiredtiger.WT_NOTFOUND):
done = True
break
keys.append(next_cursor.get_value())
match = all(x == keys[0] for x in keys)
if not match:
return False
return True
finally:
for c in cursors:
c.close()
# confirm a URI doesn't exist.
def confirm_does_not_exist(self, uri):
self.pr('confirm_does_not_exist: ' + uri)
self.assertRaises(wiredtiger.WiredTigerError,
lambda: self.session.open_cursor(uri, None))
self.assertEqual(glob.glob('*' + uri.split(":")[-1] + '*'), [],
'confirm_does_not_exist: URI exists, file name matching \"' +
uri.split(":")[1] + '\" found')
# confirm a URI exists and is empty.
def confirm_empty(self, uri):
self.pr('confirm_empty: ' + uri)
cursor = self.session.open_cursor(uri, None)
if cursor.value_format == '8t':
for key,val in cursor:
self.assertEqual(val, 0)
else:
self.assertEqual(cursor.next(), wiredtiger.WT_NOTFOUND)
cursor.close()
# copy a WT home directory
def copy_wiredtiger_home(olddir, newdir, aligned=True):
# unaligned copy requires 'dd', which may not be available on Windows
if not aligned and os.name == "nt":
raise AssertionError(
'copy_wiredtiger_home: unaligned copy impossible on Windows')
shutil.rmtree(newdir, ignore_errors=True)
os.mkdir(newdir)
for fname in os.listdir(olddir):
fullname = os.path.join(olddir, fname)
# Skip lock file, on Windows it is locked.
# Skip temporary log files.
if os.path.isfile(fullname) and "WiredTiger.lock" not in fullname and \
"WiredTigerTmplog" not in fullname and \
"WiredTigerPreplog" not in fullname:
# Use a dd command that does not align on a block boundary.
if aligned:
shutil.copy(fullname, newdir)
else:
fullname = os.path.join(olddir, fname)
inpf = 'if=' + fullname
outf = 'of=' + newdir + '/' + fullname
cmd_list = ['dd', inpf, outf, 'bs=300']
a = subprocess.Popen(cmd_list)
a.wait()
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