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#!/usr/bin/env python
#
# Public Domain 2014-2019 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 string, os, sys
from suite_subprocess import suite_subprocess
import wiredtiger, wttest
_python3 = (sys.version_info >= (3, 0, 0))
# test_util01.py
# Utilities: wt dump, as well as the dump cursor
class test_util01(wttest.WiredTigerTestCase, suite_subprocess):
"""
Test wt dump. We check for specific output.
Note that we don't test dumping {key,value}_format that are integer
here. That's because the integer values are encoded and we don't
want to duplicate the encoding/decoding algorithms. Integer dump
is tested implicity by test_util02 (which loads dumps created
in various ways).
"""
tablename = 'test_util01.a'
nentries = 1000
stringclass = ''.__class__
def compare_config(self, expected_cfg, actual_cfg):
# Replace '(' characters so configuration groups don't break parsing.
# If we ever want to look for config groups this will need to change.
da = dict(kv.split('=') for kv in
actual_cfg.strip().replace('(',',').split(','))
de = da.copy()
de.update(kv.split('=') for kv in expected_cfg.strip().split(','))
return da == de
def compare_files(self, filename1, filename2):
inheader = isconfig = False
for l1, l2 in zip(open(filename1, "r"), open(filename2, "r")):
if isconfig:
if not self.compare_config(l1, l2):
self.tty('Failed comparing: ' + l1 + '<<<>>>' + l2)
return False
elif l1 != l2:
return False
if inheader:
isconfig = not isconfig
if l1.strip() == 'Header':
inheader = True
if l1.strip() == 'Data':
inheader = isconfig = False
return True
def get_bytes(self, i, len):
"""
Return a pseudo-random, but predictable string that uses
all characters. As a special case, key 0 returns all characters
1-255 repeated
"""
ret = b''
if i == 0:
for j in range (0, len):
ret += bytes([j%255 + 1])
else:
for j in range(0, len // 3):
k = i + j
ret += bytes([k%255 + 1, (k*3)%255 + 1, (k*7)%255 + 1])
return ret + bytes([0]) # Add a final null byte
def get_key(self, i):
return (b"%0.6d" % i) + b':' + self.get_bytes(i, 20)
def get_value(self, i):
return self.get_bytes(i, 1000)
if _python3:
def _ord(self, byte):
return byte
def _byte_to_str(self, byte):
return chr(byte)
else:
def _ord(self, byte):
return ord(byte)
def _byte_to_str(self, byte):
return byte
def dumpstr(self, s, hexoutput):
"""
Return a key or value string formatted just as 'wt dump' would.
Most printable characters (except tab, newline,...) are printed
as is, otherwise, backslash hex is used.
"""
result = ''
for c in s:
c = self._byte_to_str(c)
if hexoutput:
result += "%0.2x" % ord(c)
elif c == '\\':
result += '\\\\'
elif c == ' ' or (c in string.printable and not c in string.whitespace):
result += c
else:
result += '\\' + "%0.2x" % ord(c)
if hexoutput:
result += '\n'
else:
result += '\n'
return result
def table_config(self):
# Using u configuration lets us store and print all the byte values.
return 'key_format=u,value_format=u'
def dump_kv_to_line(self, b):
# The output from dump is a 'u' format.
return b.strip(b'\x00').decode() + '\n'
def dump(self, usingapi, hexoutput):
params = self.table_config()
self.session.create('table:' + self.tablename, params)
cursor = self.session.open_cursor('table:' + self.tablename, None, None)
ver = wiredtiger.wiredtiger_version()
verstring = str(ver[1]) + '.' + str(ver[2]) + '.' + str(ver[3])
with open("expect.out", "w") as expectout:
if not usingapi:
# Note: this output is sensitive to the precise output format
# generated by wt dump. If this is likely to change, we should
# make this test more accommodating.
expectout.write('WiredTiger Dump (WiredTiger Version ' + verstring + ')\n')
if hexoutput:
expectout.write('Format=hex\n')
else:
expectout.write('Format=print\n')
expectout.write('Header\n')
expectout.write('table:' + self.tablename + '\n')
expectout.write('colgroups=,columns=,' + params + '\n')
expectout.write('Data\n')
for i in range(0, self.nentries):
key = self.get_key(i)
value = self.get_value(i)
cursor[key] = value
expectout.write(self.dumpstr(key, hexoutput))
expectout.write(self.dumpstr(value, hexoutput))
cursor.close()
self.pr('calling dump')
with open("dump.out", "w") as dumpout:
if usingapi:
if hexoutput:
dumpopt = "dump=hex"
else:
dumpopt = "dump=print"
dumpcurs = self.session.open_cursor('table:' + self.tablename,
None, dumpopt)
for key, val in dumpcurs:
dumpout.write(self.dump_kv_to_line(key) + \
self.dump_kv_to_line(val))
dumpcurs.close()
else:
dumpargs = ["dump"]
if hexoutput:
dumpargs.append("-x")
dumpargs.append(self.tablename)
self.runWt(dumpargs, outfilename="dump.out")
self.assertTrue(self.compare_files("expect.out", "dump.out"))
def test_dump_process(self):
self.dump(False, False)
def test_dump_process_hex(self):
self.dump(False, True)
def test_dump_api(self):
self.dump(True, False)
def test_dump_api_hex(self):
self.dump(True, True)
if __name__ == '__main__':
wttest.run()
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