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#!/usr/bin/env python
#
# Public Domain 2014-2020 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 os, json
import wiredtiger, wttest
from wtdataset import SimpleDataSet, SimpleLSMDataSet, SimpleIndexDataSet, \
ComplexDataSet, ComplexLSMDataSet
from helper import compare_files
from suite_subprocess import suite_subprocess
from wtscenario import make_scenarios
# A 'fake' cursor based on a set of rows.
# It emulates a WT cursor well enough for the *_check_cursor methods.
# They just need an iterable object.
class FakeCursor:
def __init__(self, uri, keyfmt, valuefmt, rows):
self.uri = uri
self.key_format = keyfmt
self.value_format = valuefmt
self.rows = rows
self.pos = 0
def __iter__(self):
return self
def __next__(self): # ready for python3.x
return self.next()
def next(self):
if self.pos >= len(self.rows):
raise StopIteration
else:
row = self.rows[self.pos]
self.pos += 1
tup = []
for name in ['record','column2','column3','column4','column5',
'key0','value0']:
if name in row:
tup.append(row[name])
return tup
# test_jsondump.py
# Utilities: wt dump
# Test the dump utility with the -j option.
class test_jsondump01(wttest.WiredTigerTestCase, suite_subprocess):
name = 'test_jsondump01'
name2 = 'test_jsondump01b'
nentries = 2500
keyfmt = [
('integer', dict(keyfmt='i')),
('recno', dict(keyfmt='r')),
('string', dict(keyfmt='S'))
]
types = [
('file', dict(uri='file:', dataset=SimpleDataSet)),
('lsm', dict(uri='lsm:', dataset=SimpleDataSet)),
('table-simple', dict(uri='table:', dataset=SimpleDataSet)),
('table-index', dict(uri='table:', dataset=SimpleIndexDataSet)),
('table-simple-lsm', dict(uri='table:', dataset=SimpleLSMDataSet)),
('table-complex', dict(uri='table:', dataset=ComplexDataSet)),
('table-complex-lsm', dict(uri='table:', dataset=ComplexLSMDataSet))
]
scenarios = make_scenarios(types, keyfmt)
def skip(self):
return (self.dataset.is_lsm() or self.uri == 'lsm:') and \
self.keyfmt == 'r'
# Dump using util, re-load using python's JSON, and do a content comparison.
def test_jsondump_util(self):
# LSM and column-store isn't a valid combination.
if self.skip():
return
# Create the object.
uri = self.uri + self.name
ds = self.dataset(self, uri, self.nentries, key_format=self.keyfmt)
ds.populate()
# Dump the object.
self.runWt(['dump', '-j', uri], outfilename='jsondump.out')
# Load it using python's built-in JSON
dumpin = open('jsondump.out')
tables = json.load(dumpin)
dumpin.close()
# spot check
configs = tables[uri][0]
data = tables[uri][1]["data"]
d = data[24]
if 'column5' in d:
self.assertEqual(d['column5'], '25: abcde')
else:
self.assertEqual(d['value0'], '25: abcdefghijklmnopqrstuvwxyz')
# check the contents of the data we read.
# we only use a wt cursor to get the key_format/value_format.
cursor = self.session.open_cursor(uri, None)
fake = FakeCursor(uri, cursor.key_format, cursor.value_format, data)
cursor.close()
ds.check_cursor(fake)
# Dump using util, re-load using python's JSON, and do a content comparison.
def test_jsonload_util(self):
# LSM and column-store isn't a valid combination.
if self.skip():
return
# Create the object.
uri = self.uri + self.name
uri2 = self.uri + self.name2
ds = self.dataset(self, uri, self.nentries, key_format=self.keyfmt)
ds.populate()
# Dump the object.
self.runWt(['dump', '-j', uri], outfilename='jsondump.out')
loadcmd = ['load', '-jf', 'jsondump.out', '-r', self.name2]
if self.keyfmt == 'r':
loadcmd.append('-a')
self.runWt(loadcmd)
# Check the contents of the data we read.
# We use the dataset only for checking.
ds2 = self.dataset(self, uri2, self.nentries, key_format=self.keyfmt)
ds2.check()
# Reload into the original uri, and dump into another file.
self.session.drop(uri, None)
self.session.drop(uri2, None)
self.runWt(['load', '-jf', 'jsondump.out'])
self.runWt(['dump', '-j', uri], outfilename='jsondump2.out')
# Compare the two outputs, and check the content again.
compare_files(self, 'jsondump.out', 'jsondump2.out')
ds.check()
if __name__ == '__main__':
wttest.run()
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