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rocksdb/tools/ldb_test.py

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#!/usr/bin/env python3
# Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
from __future__ import absolute_import, division, print_function, unicode_literals
import glob
import os
import os.path
import re
import shutil
import subprocess
import tempfile
import time
import unittest
def my_check_output(*popenargs, **kwargs):
"""
If we had python 2.7, we should simply use subprocess.check_output.
This is a stop-gap solution for python 2.6
"""
if "stdout" in kwargs:
raise ValueError("stdout argument not allowed, it will be overridden.")
process = subprocess.Popen(
stderr=subprocess.PIPE, stdout=subprocess.PIPE, *popenargs, **kwargs
)
output, unused_err = process.communicate()
retcode = process.poll()
if retcode:
cmd = kwargs.get("args")
if cmd is None:
cmd = popenargs[0]
raise Exception("Exit code is not 0. It is %d. Command: %s" % (retcode, cmd))
return output.decode("utf-8")
def run_err_null(cmd):
return os.system(cmd + " 2>/dev/null ")
class LDBTestCase(unittest.TestCase):
def setUp(self):
self.TMP_DIR = tempfile.mkdtemp(prefix="ldb_test_")
self.DB_NAME = "testdb"
def tearDown(self):
assert (
self.TMP_DIR.strip() != "/"
and self.TMP_DIR.strip() != "/tmp"
and self.TMP_DIR.strip() != "/tmp/"
) # Just some paranoia
shutil.rmtree(self.TMP_DIR)
def dbParam(self, dbName):
return "--db=%s" % os.path.join(self.TMP_DIR, dbName)
def assertRunOKFull(
self, params, expectedOutput, unexpected=False, isPattern=False
):
"""
All command-line params must be specified.
Allows full flexibility in testing; for example: missing db param.
"""
output = my_check_output(
'./ldb %s |grep -v "Created bg thread"' % params, shell=True
)
if not unexpected:
if isPattern:
self.assertNotEqual(expectedOutput.search(output.strip()), None)
else:
self.assertEqual(output.strip(), expectedOutput.strip())
else:
if isPattern:
self.assertEqual(expectedOutput.search(output.strip()), None)
else:
self.assertNotEqual(output.strip(), expectedOutput.strip())
def assertRunFAILFull(self, params):
"""
All command-line params must be specified.
Allows full flexibility in testing; for example: missing db param.
"""
try:
my_check_output(
'./ldb %s >/dev/null 2>&1 |grep -v "Created bg \
thread"'
% params,
shell=True,
)
except Exception:
return
self.fail(
"Exception should have been raised for command with params: %s" % params
)
def assertRunOK(self, params, expectedOutput, unexpected=False):
"""
Uses the default test db.
"""
self.assertRunOKFull(
"%s %s" % (self.dbParam(self.DB_NAME), params), expectedOutput, unexpected
)
def assertRunFAIL(self, params):
"""
Uses the default test db.
"""
self.assertRunFAILFull("%s %s" % (self.dbParam(self.DB_NAME), params))
def testSimpleStringPutGet(self):
print("Running testSimpleStringPutGet...")
self.assertRunFAIL("put x1 y1")
self.assertRunOK("put --create_if_missing x1 y1", "OK")
self.assertRunOK("get x1", "y1")
self.assertRunFAIL("get x2")
self.assertRunOK("put x2 y2", "OK")
self.assertRunOK("get x1", "y1")
self.assertRunOK("get x2", "y2")
self.assertRunFAIL("get x3")
self.assertRunOK("scan --from=x1 --to=z", "x1 : y1\nx2 : y2")
self.assertRunOK("put x3 y3", "OK")
self.assertRunOK("scan --from=x1 --to=z", "x1 : y1\nx2 : y2\nx3 : y3")
self.assertRunOK("scan", "x1 : y1\nx2 : y2\nx3 : y3")
self.assertRunOK("scan --from=x", "x1 : y1\nx2 : y2\nx3 : y3")
self.assertRunOK("scan --to=x2", "x1 : y1")
self.assertRunOK("scan --from=x1 --to=z --max_keys=1", "x1 : y1")
self.assertRunOK("scan --from=x1 --to=z --max_keys=2", "x1 : y1\nx2 : y2")
self.assertRunOK(
"scan --from=x1 --to=z --max_keys=3", "x1 : y1\nx2 : y2\nx3 : y3"
)
self.assertRunOK(
"scan --from=x1 --to=z --max_keys=4", "x1 : y1\nx2 : y2\nx3 : y3"
)
self.assertRunOK("scan --from=x1 --to=x2", "x1 : y1")
self.assertRunOK("scan --from=x2 --to=x4", "x2 : y2\nx3 : y3")
self.assertRunFAIL("scan --from=x4 --to=z") # No results => FAIL
self.assertRunFAIL("scan --from=x1 --to=z --max_keys=foo")
self.assertRunOK("scan", "x1 : y1\nx2 : y2\nx3 : y3")
self.assertRunOK("delete x1", "OK")
self.assertRunOK("scan", "x2 : y2\nx3 : y3")
self.assertRunOK("delete NonExistentKey", "OK")
# It is weird that GET and SCAN raise exception for
# non-existent key, while delete does not
self.assertRunOK("checkconsistency", "OK")
def dumpDb(self, params, dumpFile):
return 0 == run_err_null("./ldb dump %s > %s" % (params, dumpFile))
def loadDb(self, params, dumpFile):
return 0 == run_err_null("cat %s | ./ldb load %s" % (dumpFile, params))
def writeExternSst(self, params, inputDumpFile, outputSst):
return 0 == run_err_null(
"cat %s | ./ldb write_extern_sst %s %s" % (inputDumpFile, outputSst, params)
)
def ingestExternSst(self, params, inputSst):
return 0 == run_err_null("./ldb ingest_extern_sst %s %s" % (inputSst, params))
def testStringBatchPut(self):
print("Running testStringBatchPut...")
self.assertRunOK("batchput x1 y1 --create_if_missing", "OK")
self.assertRunOK("scan", "x1 : y1")
self.assertRunOK('batchput x2 y2 x3 y3 "x4 abc" "y4 xyz"', "OK")
self.assertRunOK("scan", "x1 : y1\nx2 : y2\nx3 : y3\nx4 abc : y4 xyz")
self.assertRunFAIL("batchput")
self.assertRunFAIL("batchput k1")
self.assertRunFAIL("batchput k1 v1 k2")
def testBlobBatchPut(self):
print("Running testBlobBatchPut...")
dbPath = os.path.join(self.TMP_DIR, self.DB_NAME)
self.assertRunOK("batchput x1 y1 --create_if_missing --enable_blob_files", "OK")
self.assertRunOK("scan", "x1 : y1")
self.assertRunOK(
'batchput --enable_blob_files x2 y2 x3 y3 "x4 abc" "y4 xyz"', "OK"
)
self.assertRunOK("scan", "x1 : y1\nx2 : y2\nx3 : y3\nx4 abc : y4 xyz")
blob_files = self.getBlobFiles(dbPath)
self.assertTrue(len(blob_files) >= 1)
def testBlobPut(self):
print("Running testBlobPut...")
dbPath = os.path.join(self.TMP_DIR, self.DB_NAME)
self.assertRunOK("put --create_if_missing --enable_blob_files x1 y1", "OK")
self.assertRunOK("get x1", "y1")
self.assertRunOK("put --enable_blob_files x2 y2", "OK")
self.assertRunOK("get x1", "y1")
self.assertRunOK("get x2", "y2")
self.assertRunFAIL("get x3")
blob_files = self.getBlobFiles(dbPath)
self.assertTrue(len(blob_files) >= 1)
def testBlobStartingLevel(self):
print("Running testBlobStartingLevel...")
dbPath = os.path.join(self.TMP_DIR, self.DB_NAME)
self.assertRunOK(
"put --create_if_missing --enable_blob_files --blob_file_starting_level=10 x1 y1",
"OK",
)
self.assertRunOK("get x1", "y1")
blob_files = self.getBlobFiles(dbPath)
self.assertTrue(len(blob_files) == 0)
self.assertRunOK(
"put --enable_blob_files --blob_file_starting_level=0 x2 y2", "OK"
)
self.assertRunOK("get x1", "y1")
self.assertRunOK("get x2", "y2")
self.assertRunFAIL("get x3")
blob_files = self.getBlobFiles(dbPath)
self.assertTrue(len(blob_files) >= 1)
def testCountDelimDump(self):
print("Running testCountDelimDump...")
self.assertRunOK("batchput x.1 x1 --create_if_missing", "OK")
self.assertRunOK("batchput y.abc abc y.2 2 z.13c pqr", "OK")
self.assertRunOK(
"dump --count_delim",
"x => count:1\tsize:5\ny => count:2\tsize:12\nz => count:1\tsize:8",
)
self.assertRunOK(
'dump --count_delim="."',
"x => count:1\tsize:5\ny => count:2\tsize:12\nz => count:1\tsize:8",
)
self.assertRunOK("batchput x,2 x2 x,abc xabc", "OK")
self.assertRunOK(
'dump --count_delim=","',
"x => count:2\tsize:14\nx.1 => count:1\tsize:5\ny.2 => count:1\tsize:4\ny.abc => count:1\tsize:8\nz.13c => count:1\tsize:8",
)
def testCountDelimIDump(self):
print("Running testCountDelimIDump...")
self.assertRunOK("batchput x.1 x1 --create_if_missing", "OK")
self.assertRunOK("batchput y.abc abc y.2 2 z.13c pqr", "OK")
self.assertRunOK(
"idump --count_delim",
"x => count:1\tsize:5\ny => count:2\tsize:12\nz => count:1\tsize:8",
)
self.assertRunOK(
'idump --count_delim="."',
"x => count:1\tsize:5\ny => count:2\tsize:12\nz => count:1\tsize:8",
)
self.assertRunOK("batchput x,2 x2 x,abc xabc", "OK")
self.assertRunOK(
'idump --count_delim=","',
"x => count:2\tsize:14\nx.1 => count:1\tsize:5\ny.2 => count:1\tsize:4\ny.abc => count:1\tsize:8\nz.13c => count:1\tsize:8",
)
def testInvalidCmdLines(self):
print("Running testInvalidCmdLines...")
# db not specified
self.assertRunFAILFull("put 0x6133 0x6233 --hex --create_if_missing")
# No param called he
self.assertRunFAIL("put 0x6133 0x6233 --he --create_if_missing")
# max_keys is not applicable for put
self.assertRunFAIL("put 0x6133 0x6233 --max_keys=1 --create_if_missing")
# hex has invalid boolean value
def testHexPutGet(self):
print("Running testHexPutGet...")
self.assertRunOK("put a1 b1 --create_if_missing", "OK")
self.assertRunOK("scan", "a1 : b1")
self.assertRunOK("scan --hex", "0x6131 : 0x6231")
self.assertRunFAIL("put --hex 6132 6232")
self.assertRunOK("put --hex 0x6132 0x6232", "OK")
self.assertRunOK("scan --hex", "0x6131 : 0x6231\n0x6132 : 0x6232")
self.assertRunOK("scan", "a1 : b1\na2 : b2")
self.assertRunOK("get a1", "b1")
self.assertRunOK("get --hex 0x6131", "0x6231")
self.assertRunOK("get a2", "b2")
self.assertRunOK("get --hex 0x6132", "0x6232")
self.assertRunOK("get --key_hex 0x6132", "b2")
self.assertRunOK("get --key_hex --value_hex 0x6132", "0x6232")
self.assertRunOK("get --value_hex a2", "0x6232")
self.assertRunOK(
"scan --key_hex --value_hex", "0x6131 : 0x6231\n0x6132 : 0x6232"
)
self.assertRunOK(
"scan --hex --from=0x6131 --to=0x6133", "0x6131 : 0x6231\n0x6132 : 0x6232"
)
self.assertRunOK("scan --hex --from=0x6131 --to=0x6132", "0x6131 : 0x6231")
self.assertRunOK("scan --key_hex", "0x6131 : b1\n0x6132 : b2")
self.assertRunOK("scan --value_hex", "a1 : 0x6231\na2 : 0x6232")
self.assertRunOK("batchput --hex 0x6133 0x6233 0x6134 0x6234", "OK")
self.assertRunOK("scan", "a1 : b1\na2 : b2\na3 : b3\na4 : b4")
self.assertRunOK("delete --hex 0x6133", "OK")
self.assertRunOK("scan", "a1 : b1\na2 : b2\na4 : b4")
self.assertRunOK("checkconsistency", "OK")
def testTtlPutGet(self):
print("Running testTtlPutGet...")
self.assertRunOK("put a1 b1 --ttl --create_if_missing", "OK")
self.assertRunOK("scan --hex", "0x6131 : 0x6231", True)
self.assertRunOK("dump --ttl ", "a1 ==> b1", True)
self.assertRunOK("dump --hex --ttl ", "0x6131 ==> 0x6231\nKeys in range: 1")
self.assertRunOK("scan --hex --ttl", "0x6131 : 0x6231")
self.assertRunOK("get --value_hex a1", "0x6231", True)
self.assertRunOK("get --ttl a1", "b1")
self.assertRunOK("put a3 b3 --create_if_missing", "OK")
# fails because timstamp's length is greater than value's
self.assertRunFAIL("get --ttl a3")
self.assertRunOK("checkconsistency", "OK")
def testInvalidCmdLines(self): # noqa: F811 T25377293 Grandfathered in
print("Running testInvalidCmdLines...")
# db not specified
self.assertRunFAILFull("put 0x6133 0x6233 --hex --create_if_missing")
# No param called he
self.assertRunFAIL("put 0x6133 0x6233 --he --create_if_missing")
# max_keys is not applicable for put
self.assertRunFAIL("put 0x6133 0x6233 --max_keys=1 --create_if_missing")
# hex has invalid boolean value
self.assertRunFAIL("put 0x6133 0x6233 --hex=Boo --create_if_missing")
def testDumpLoad(self):
print("Running testDumpLoad...")
self.assertRunOK("batchput --create_if_missing x1 y1 x2 y2 x3 y3 x4 y4", "OK")
self.assertRunOK("scan", "x1 : y1\nx2 : y2\nx3 : y3\nx4 : y4")
origDbPath = os.path.join(self.TMP_DIR, self.DB_NAME)
# Dump and load without any additional params specified
dumpFilePath = os.path.join(self.TMP_DIR, "dump1")
loadedDbPath = os.path.join(self.TMP_DIR, "loaded_from_dump1")
self.assertTrue(self.dumpDb("--db=%s" % origDbPath, dumpFilePath))
self.assertTrue(
self.loadDb("--db=%s --create_if_missing" % loadedDbPath, dumpFilePath)
)
self.assertRunOKFull(
"scan --db=%s" % loadedDbPath, "x1 : y1\nx2 : y2\nx3 : y3\nx4 : y4"
)
# Dump and load in hex
dumpFilePath = os.path.join(self.TMP_DIR, "dump2")
loadedDbPath = os.path.join(self.TMP_DIR, "loaded_from_dump2")
self.assertTrue(self.dumpDb("--db=%s --hex" % origDbPath, dumpFilePath))
self.assertTrue(
self.loadDb(
"--db=%s --hex --create_if_missing" % loadedDbPath, dumpFilePath
)
)
self.assertRunOKFull(
"scan --db=%s" % loadedDbPath, "x1 : y1\nx2 : y2\nx3 : y3\nx4 : y4"
)
# Dump only a portion of the key range
dumpFilePath = os.path.join(self.TMP_DIR, "dump3")
loadedDbPath = os.path.join(self.TMP_DIR, "loaded_from_dump3")
self.assertTrue(
self.dumpDb("--db=%s --from=x1 --to=x3" % origDbPath, dumpFilePath)
)
self.assertTrue(
self.loadDb("--db=%s --create_if_missing" % loadedDbPath, dumpFilePath)
)
self.assertRunOKFull("scan --db=%s" % loadedDbPath, "x1 : y1\nx2 : y2")
# Dump upto max_keys rows
dumpFilePath = os.path.join(self.TMP_DIR, "dump4")
loadedDbPath = os.path.join(self.TMP_DIR, "loaded_from_dump4")
self.assertTrue(self.dumpDb("--db=%s --max_keys=3" % origDbPath, dumpFilePath))
self.assertTrue(
self.loadDb("--db=%s --create_if_missing" % loadedDbPath, dumpFilePath)
)
self.assertRunOKFull("scan --db=%s" % loadedDbPath, "x1 : y1\nx2 : y2\nx3 : y3")
# Load into an existing db, create_if_missing is not specified
self.assertTrue(self.dumpDb("--db=%s" % origDbPath, dumpFilePath))
self.assertTrue(self.loadDb("--db=%s" % loadedDbPath, dumpFilePath))
self.assertRunOKFull(
"scan --db=%s" % loadedDbPath, "x1 : y1\nx2 : y2\nx3 : y3\nx4 : y4"
)
# Dump and load with WAL disabled
dumpFilePath = os.path.join(self.TMP_DIR, "dump5")
loadedDbPath = os.path.join(self.TMP_DIR, "loaded_from_dump5")
self.assertTrue(self.dumpDb("--db=%s" % origDbPath, dumpFilePath))
self.assertTrue(
self.loadDb(
"--db=%s --disable_wal --create_if_missing" % loadedDbPath, dumpFilePath
)
)
self.assertRunOKFull(
"scan --db=%s" % loadedDbPath, "x1 : y1\nx2 : y2\nx3 : y3\nx4 : y4"
)
# Dump and load with lots of extra params specified
extraParams = " ".join(
[
"--bloom_bits=14",
"--block_size=1024",
"--auto_compaction=true",
"--write_buffer_size=4194304",
"--file_size=2097152",
]
)
dumpFilePath = os.path.join(self.TMP_DIR, "dump6")
loadedDbPath = os.path.join(self.TMP_DIR, "loaded_from_dump6")
self.assertTrue(
self.dumpDb("--db=%s %s" % (origDbPath, extraParams), dumpFilePath)
)
self.assertTrue(
self.loadDb(
"--db=%s %s --create_if_missing" % (loadedDbPath, extraParams),
dumpFilePath,
)
)
self.assertRunOKFull(
"scan --db=%s" % loadedDbPath, "x1 : y1\nx2 : y2\nx3 : y3\nx4 : y4"
)
# Dump with count_only
dumpFilePath = os.path.join(self.TMP_DIR, "dump7")
loadedDbPath = os.path.join(self.TMP_DIR, "loaded_from_dump7")
self.assertTrue(self.dumpDb("--db=%s --count_only" % origDbPath, dumpFilePath))
self.assertTrue(
self.loadDb("--db=%s --create_if_missing" % loadedDbPath, dumpFilePath)
)
# DB should have atleast one value for scan to work
self.assertRunOKFull("put --db=%s k1 v1" % loadedDbPath, "OK")
self.assertRunOKFull("scan --db=%s" % loadedDbPath, "k1 : v1")
# Dump command fails because of typo in params
dumpFilePath = os.path.join(self.TMP_DIR, "dump8")
self.assertFalse(
self.dumpDb("--db=%s --create_if_missing" % origDbPath, dumpFilePath)
)
# Dump and load with BlobDB enabled
blobParams = " ".join(
["--enable_blob_files", "--min_blob_size=1", "--blob_file_size=2097152"]
)
dumpFilePath = os.path.join(self.TMP_DIR, "dump9")
loadedDbPath = os.path.join(self.TMP_DIR, "loaded_from_dump9")
self.assertTrue(self.dumpDb("--db=%s" % (origDbPath), dumpFilePath))
self.assertTrue(
self.loadDb(
"--db=%s %s --create_if_missing --disable_wal"
% (loadedDbPath, blobParams),
dumpFilePath,
)
)
self.assertRunOKFull(
"scan --db=%s" % loadedDbPath, "x1 : y1\nx2 : y2\nx3 : y3\nx4 : y4"
)
blob_files = self.getBlobFiles(loadedDbPath)
self.assertTrue(len(blob_files) >= 1)
def testIDumpBasics(self):
print("Running testIDumpBasics...")
self.assertRunOK("put a val --create_if_missing", "OK")
self.assertRunOK("put b val", "OK")
self.assertRunOK(
"idump",
"'a' seq:1, type:1 => val\n"
"'b' seq:2, type:1 => val\nInternal keys in range: 2",
)
self.assertRunOK(
"idump --input_key_hex --from=%s --to=%s" % (hex(ord("a")), hex(ord("b"))),
"'a' seq:1, type:1 => val\nInternal keys in range: 1",
)
def testIDumpDecodeBlobIndex(self):
print("Running testIDumpDecodeBlobIndex...")
self.assertRunOK("put a val --create_if_missing", "OK")
self.assertRunOK("put b val --enable_blob_files", "OK")
# Pattern to expect from dump with decode_blob_index flag enabled.
regex = ".*\[blob ref\].*"
expected_pattern = re.compile(regex)
cmd = "idump %s --decode_blob_index"
self.assertRunOKFull(
(cmd) % (self.dbParam(self.DB_NAME)),
expected_pattern,
unexpected=False,
isPattern=True,
)
def testMiscAdminTask(self):
print("Running testMiscAdminTask...")
# These tests need to be improved; for example with asserts about
# whether compaction or level reduction actually took place.
self.assertRunOK("batchput --create_if_missing x1 y1 x2 y2 x3 y3 x4 y4", "OK")
self.assertRunOK("scan", "x1 : y1\nx2 : y2\nx3 : y3\nx4 : y4")
origDbPath = os.path.join(self.TMP_DIR, self.DB_NAME)
self.assertTrue(0 == run_err_null("./ldb compact --db=%s" % origDbPath))
self.assertRunOK("scan", "x1 : y1\nx2 : y2\nx3 : y3\nx4 : y4")
self.assertTrue(
0 == run_err_null("./ldb reduce_levels --db=%s --new_levels=2" % origDbPath)
)
self.assertRunOK("scan", "x1 : y1\nx2 : y2\nx3 : y3\nx4 : y4")
self.assertTrue(
0 == run_err_null("./ldb reduce_levels --db=%s --new_levels=3" % origDbPath)
)
self.assertRunOK("scan", "x1 : y1\nx2 : y2\nx3 : y3\nx4 : y4")
self.assertTrue(
0 == run_err_null("./ldb compact --db=%s --from=x1 --to=x3" % origDbPath)
)
self.assertRunOK("scan", "x1 : y1\nx2 : y2\nx3 : y3\nx4 : y4")
self.assertTrue(
0
== run_err_null(
"./ldb compact --db=%s --hex --from=0x6131 --to=0x6134" % origDbPath
)
)
self.assertRunOK("scan", "x1 : y1\nx2 : y2\nx3 : y3\nx4 : y4")
# TODO(dilip): Not sure what should be passed to WAL.Currently corrupted.
self.assertTrue(
0
== run_err_null(
"./ldb dump_wal --db=%s --walfile=%s --header"
% (origDbPath, os.path.join(origDbPath, "LOG"))
)
)
self.assertRunOK("scan", "x1 : y1\nx2 : y2\nx3 : y3\nx4 : y4")
def testCheckConsistency(self):
print("Running testCheckConsistency...")
dbPath = os.path.join(self.TMP_DIR, self.DB_NAME)
self.assertRunOK("put x1 y1 --create_if_missing", "OK")
self.assertRunOK("put x2 y2", "OK")
self.assertRunOK("get x1", "y1")
self.assertRunOK("checkconsistency", "OK")
sstFilePath = my_check_output(
"ls %s" % os.path.join(dbPath, "*.sst"), shell=True
)
# Modify the file
my_check_output("echo 'evil' > %s" % sstFilePath, shell=True)
self.assertRunFAIL("checkconsistency")
# Delete the file
my_check_output("rm -f %s" % sstFilePath, shell=True)
self.assertRunFAIL("checkconsistency")
def dumpLiveFiles(self, params, dumpFile):
return 0 == run_err_null("./ldb dump_live_files %s > %s" % (params, dumpFile))
def testDumpLiveFiles(self):
print("Running testDumpLiveFiles...")
dbPath = os.path.join(self.TMP_DIR, self.DB_NAME)
self.assertRunOK("put x1 y1 --create_if_missing", "OK")
self.assertRunOK("put x2 y2 --enable_blob_files", "OK")
dumpFilePath = os.path.join(self.TMP_DIR, "dump1")
self.assertTrue(self.dumpLiveFiles("--db=%s" % dbPath, dumpFilePath))
self.assertRunOK("delete x1", "OK")
self.assertRunOK("put x3 y3", "OK")
dumpFilePath = os.path.join(self.TMP_DIR, "dump2")
# Test that if the user provides a db path that ends with
# a slash '/', there is no double (or more!) slashes in the
# SST and manifest file names.
# Add a '/' at the end of dbPath (which normally shouldnt contain any)
if dbPath[-1] != "/":
dbPath += "/"
# Call the dump_live_files function with the edited dbPath name.
self.assertTrue(
self.dumpLiveFiles(
"--db=%s --decode_blob_index --dump_uncompressed_blobs" % dbPath,
dumpFilePath,
)
)
# Investigate the output
with open(dumpFilePath, "r") as tmp:
data = tmp.read()
# Check that all the SST filenames have a correct full path (no multiple '/').
sstFileList = re.findall(r"%s.*\d+.sst" % dbPath, data)
self.assertTrue(len(sstFileList) >= 1)
for sstFilename in sstFileList:
filenumber = re.findall(r"\d+.sst", sstFilename)[0]
self.assertEqual(sstFilename, dbPath + filenumber)
# Check that all the Blob filenames have a correct full path (no multiple '/').
blobFileList = re.findall(r"%s.*\d+.blob" % dbPath, data)
self.assertTrue(len(blobFileList) >= 1)
for blobFilename in blobFileList:
filenumber = re.findall(r"\d+.blob", blobFilename)[0]
self.assertEqual(blobFilename, dbPath + filenumber)
# Check that all the manifest filenames
# have a correct full path (no multiple '/').
manifestFileList = re.findall(r"%s.*MANIFEST-\d+" % dbPath, data)
self.assertTrue(len(manifestFileList) >= 1)
for manifestFilename in manifestFileList:
filenumber = re.findall(r"(?<=MANIFEST-)\d+", manifestFilename)[0]
self.assertEqual(manifestFilename, dbPath + "MANIFEST-" + filenumber)
# Check that the blob file index is decoded.
decodedBlobIndex = re.findall(r"\[blob ref\]", data)
self.assertTrue(len(decodedBlobIndex) >= 1)
def listLiveFilesMetadata(self, params, dumpFile):
return 0 == run_err_null(
"./ldb list_live_files_metadata %s > %s" % (params, dumpFile)
)
def testListLiveFilesMetadata(self):
print("Running testListLiveFilesMetadata...")
dbPath = os.path.join(self.TMP_DIR, self.DB_NAME)
self.assertRunOK("put x1 y1 --create_if_missing", "OK")
self.assertRunOK("put x2 y2", "OK")
# Compare the SST filename and the level of list_live_files_metadata
# with the data collected from dump_live_files.
dumpFilePath1 = os.path.join(self.TMP_DIR, "dump1")
self.assertTrue(self.dumpLiveFiles("--db=%s" % dbPath, dumpFilePath1))
dumpFilePath2 = os.path.join(self.TMP_DIR, "dump2")
self.assertTrue(
self.listLiveFilesMetadata(
"--sort_by_filename --db=%s" % dbPath, dumpFilePath2
)
)
# Collect SST filename and level from dump_live_files
with open(dumpFilePath1, "r") as tmp:
data = tmp.read()
filename1 = re.findall(r".*\d+\.sst", data)[0]
level1 = re.findall(r"level:\d+", data)[0].split(":")[1]
# Collect SST filename and level from list_live_files_metadata
with open(dumpFilePath2, "r") as tmp:
data = tmp.read()
filename2 = re.findall(r".*\d+\.sst", data)[0]
level2 = re.findall(r"level \d+", data)[0].split(" ")[1]
# Assert equality between filenames and levels.
self.assertEqual(filename1, filename2)
self.assertEqual(level1, level2)
# Create multiple column families and compare the output
# of list_live_files_metadata with dump_live_files once again.
# Create new CF, and insert data:
self.assertRunOK("create_column_family mycol1", "OK")
self.assertRunOK("put --column_family=mycol1 v1 v2", "OK")
self.assertRunOK("create_column_family mycol2", "OK")
self.assertRunOK("put --column_family=mycol2 h1 h2", "OK")
self.assertRunOK("put --column_family=mycol2 h3 h4", "OK")
# Call dump_live_files and list_live_files_metadata
# and pipe the output to compare them later.
dumpFilePath3 = os.path.join(self.TMP_DIR, "dump3")
self.assertTrue(self.dumpLiveFiles("--db=%s" % dbPath, dumpFilePath3))
dumpFilePath4 = os.path.join(self.TMP_DIR, "dump4")
self.assertTrue(
self.listLiveFilesMetadata(
"--sort_by_filename --db=%s" % dbPath, dumpFilePath4
)
)
# dump_live_files:
# parse the output and create a map:
# [key: sstFilename]->[value:[LSM level, Column Family Name]]
referenceMap = {}
with open(dumpFilePath3, "r") as tmp:
data = tmp.read()
# Note: the following regex are contingent on what the
# dump_live_files outputs.
namesAndLevels = re.findall(r"\d+.sst level:\d+", data)
cfs = re.findall(r"(?<=column family name=)\w+", data)
# re.findall should not reorder the data.
# Therefore namesAndLevels[i] matches the data from cfs[i].
for count, nameAndLevel in enumerate(namesAndLevels):
sstFilename = re.findall(r"\d+.sst", nameAndLevel)[0]
sstLevel = re.findall(r"(?<=level:)\d+", nameAndLevel)[0]
cf = cfs[count]
referenceMap[sstFilename] = [sstLevel, cf]
# list_live_files_metadata:
# parse the output and create a map:
# [key: sstFilename]->[value:[LSM level, Column Family Name]]
testMap = {}
with open(dumpFilePath4, "r") as tmp:
data = tmp.read()
# Since for each SST file, all the information is contained
# on one line, the parsing is easy to perform and relies on
# the appearance of an "00xxx.sst" pattern.
sstLines = re.findall(r".*\d+.sst.*", data)
for line in sstLines:
sstFilename = re.findall(r"\d+.sst", line)[0]
sstLevel = re.findall(r"(?<=level )\d+", line)[0]
cf = re.findall(r"(?<=column family \')\w+(?=\')", line)[0]
testMap[sstFilename] = [sstLevel, cf]
# Compare the map obtained from dump_live_files and the map
# obtained from list_live_files_metadata. Everything should match.
self.assertEqual(referenceMap, testMap)
def getManifests(self, directory):
return glob.glob(directory + "/MANIFEST-*")
def getSSTFiles(self, directory):
return glob.glob(directory + "/*.sst")
def getWALFiles(self, directory):
return glob.glob(directory + "/*.log")
def getBlobFiles(self, directory):
return glob.glob(directory + "/*.blob")
def copyManifests(self, src, dest):
return 0 == run_err_null("cp " + src + " " + dest)
def testManifestDump(self):
print("Running testManifestDump...")
dbPath = os.path.join(self.TMP_DIR, self.DB_NAME)
self.assertRunOK("put 1 1 --create_if_missing", "OK")
self.assertRunOK("put 2 2", "OK")
self.assertRunOK("put 3 3", "OK")
# Pattern to expect from manifest_dump.
num = "[0-9]+"
st = ".*"
subpat = st + " seq:" + num + ", type:" + num
regex = num + ":" + num + "\[" + subpat + ".." + subpat + "\]"
expected_pattern = re.compile(regex)
cmd = "manifest_dump --db=%s"
manifest_files = self.getManifests(dbPath)
self.assertTrue(len(manifest_files) == 1)
# Test with the default manifest file in dbPath.
self.assertRunOKFull(
cmd % dbPath, expected_pattern, unexpected=False, isPattern=True
)
self.copyManifests(manifest_files[0], manifest_files[0] + "1")
manifest_files = self.getManifests(dbPath)
self.assertTrue(len(manifest_files) == 2)
# Test with multiple manifest files in dbPath.
self.assertRunFAILFull(cmd % dbPath)
# Running it with the copy we just created should pass.
self.assertRunOKFull(
(cmd + " --path=%s") % (dbPath, manifest_files[1]),
expected_pattern,
unexpected=False,
isPattern=True,
)
# Make sure that using the dump with --path will result in identical
# output as just using manifest_dump.
cmd = "dump --path=%s"
self.assertRunOKFull(
(cmd) % (manifest_files[1]),
expected_pattern,
unexpected=False,
isPattern=True,
)
# Check if null characters doesn't infer with output format.
self.assertRunOK("put a1 b1", "OK")
self.assertRunOK("put a2 b2", "OK")
self.assertRunOK("put --hex 0x12000DA0 0x80C0000B", "OK")
self.assertRunOK("put --hex 0x7200004f 0x80000004", "OK")
self.assertRunOK("put --hex 0xa000000a 0xf000000f", "OK")
self.assertRunOK("put a3 b3", "OK")
self.assertRunOK("put a4 b4", "OK")
# Verifies that all "levels" are printed out.
# There should be 66 mentions of levels.
expected_verbose_output = re.compile("matched")
# Test manifest_dump verbose and verify that key 0x7200004f
# is present. Note that we are forced to use grep here because
# an output with a non-terminating null character in it isn't piped
# correctly through the Python subprocess object.
# Also note that 0x72=r and 0x4f=O, hence the regex \'r.{2}O\'
# (we cannot use null character in the subprocess input either,
# so we have to use '.{2}')
cmd_verbose = (
"manifest_dump --verbose --db=%s | grep -aq $''r.{2}O'' && echo 'matched' || echo 'not matched'"
% dbPath
)
self.assertRunOKFull(
cmd_verbose, expected_verbose_output, unexpected=False, isPattern=True
)
def testGetProperty(self):
print("Running testGetProperty...")
dbPath = os.path.join(self.TMP_DIR, self.DB_NAME)
self.assertRunOK("put 1 1 --create_if_missing", "OK")
self.assertRunOK("put 2 2", "OK")
# A "string" property
cmd = "--db=%s get_property rocksdb.estimate-num-keys"
self.assertRunOKFull(cmd % dbPath, "rocksdb.estimate-num-keys: 2")
# A "map" property
# FIXME: why doesn't this pick up two entries?
cmd = "--db=%s get_property rocksdb.aggregated-table-properties"
part = "rocksdb.aggregated-table-properties.num_entries: "
expected_pattern = re.compile(part)
self.assertRunOKFull(
cmd % dbPath, expected_pattern, unexpected=False, isPattern=True
)
# An invalid property
cmd = "--db=%s get_property rocksdb.this-property-does-not-exist"
self.assertRunFAILFull(cmd % dbPath)
def testSSTDump(self):
print("Running testSSTDump...")
dbPath = os.path.join(self.TMP_DIR, self.DB_NAME)
self.assertRunOK("put sst1 sst1_val --create_if_missing", "OK")
self.assertRunOK("put sst2 sst2_val --enable_blob_files", "OK")
self.assertRunOK("get sst1", "sst1_val")
# Pattern to expect from SST dump.
regex = ".*Sst file format:.*\n.*\[blob ref\].*"
expected_pattern = re.compile(regex)
sst_files = self.getSSTFiles(dbPath)
self.assertTrue(len(sst_files) >= 1)
cmd = "dump --path=%s --decode_blob_index"
self.assertRunOKFull(
(cmd) % (sst_files[0]), expected_pattern, unexpected=False, isPattern=True
)
def testBlobDump(self):
print("Running testBlobDump")
dbPath = os.path.join(self.TMP_DIR, self.DB_NAME)
self.assertRunOK("batchput x1 y1 --create_if_missing --enable_blob_files", "OK")
self.assertRunOK(
'batchput --enable_blob_files x2 y2 x3 y3 "x4 abc" "y4 xyz"', "OK"
)
# Pattern to expect from blob file dump.
regex = ".*Blob log header[\s\S]*Blob log footer[\s\S]*Read record[\s\S]*Summary" # noqa
expected_pattern = re.compile(regex)
blob_files = self.getBlobFiles(dbPath)
self.assertTrue(len(blob_files) >= 1)
cmd = "dump --path=%s --dump_uncompressed_blobs"
self.assertRunOKFull(
(cmd) % (blob_files[0]), expected_pattern, unexpected=False, isPattern=True
)
def testWALDump(self):
print("Running testWALDump...")
dbPath = os.path.join(self.TMP_DIR, self.DB_NAME)
self.assertRunOK("put wal1 wal1_val --create_if_missing", "OK")
self.assertRunOK("put wal2 wal2_val", "OK")
self.assertRunOK("get wal1", "wal1_val")
# Pattern to expect from WAL dump.
regex = "^Sequence,Count,ByteSize,Physical Offset,Key\(s\).*"
expected_pattern = re.compile(regex)
wal_files = self.getWALFiles(dbPath)
self.assertTrue(len(wal_files) >= 1)
cmd = "dump --path=%s"
self.assertRunOKFull(
(cmd) % (wal_files[0]), expected_pattern, unexpected=False, isPattern=True
)
def testListColumnFamilies(self):
print("Running testListColumnFamilies...")
self.assertRunOK("put x1 y1 --create_if_missing", "OK")
cmd = 'list_column_families | grep -v "Column families"'
# Test on valid dbPath.
self.assertRunOK(cmd, "{default}")
# Test on empty path.
self.assertRunFAIL(cmd)
def testColumnFamilies(self):
print("Running testColumnFamilies...")
_ = os.path.join(self.TMP_DIR, self.DB_NAME)
self.assertRunOK("put cf1_1 1 --create_if_missing", "OK")
self.assertRunOK("put cf1_2 2 --create_if_missing", "OK")
self.assertRunOK("put cf1_3 3 --try_load_options", "OK")
# Given non-default column family to single CF DB.
self.assertRunFAIL("get cf1_1 --column_family=two")
self.assertRunOK("create_column_family two", "OK")
self.assertRunOK("put cf2_1 1 --create_if_missing --column_family=two", "OK")
self.assertRunOK("put cf2_2 2 --create_if_missing --column_family=two", "OK")
self.assertRunOK("delete cf1_2", "OK")
self.assertRunOK("create_column_family three", "OK")
self.assertRunOK("delete cf2_2 --column_family=two", "OK")
self.assertRunOK("put cf3_1 3 --create_if_missing --column_family=three", "OK")
self.assertRunOK("get cf1_1 --column_family=default", "1")
self.assertRunOK("dump --column_family=two", "cf2_1 ==> 1\nKeys in range: 1")
self.assertRunOK(
"dump --column_family=two --try_load_options",
"cf2_1 ==> 1\nKeys in range: 1",
)
self.assertRunOK("dump", "cf1_1 ==> 1\ncf1_3 ==> 3\nKeys in range: 2")
self.assertRunOK("get cf2_1 --column_family=two", "1")
self.assertRunOK("get cf3_1 --column_family=three", "3")
self.assertRunOK("drop_column_family three", "OK")
# non-existing column family.
self.assertRunFAIL("get cf3_1 --column_family=four")
self.assertRunFAIL("drop_column_family four")
def testIngestExternalSst(self):
print("Running testIngestExternalSst...")
# Dump, load, write external sst and ingest it in another db
dbPath = os.path.join(self.TMP_DIR, "db1")
self.assertRunOK(
"batchput --db=%s --create_if_missing x1 y1 x2 y2 x3 y3 x4 y4" % dbPath,
"OK",
)
self.assertRunOK("scan --db=%s" % dbPath, "x1 : y1\nx2 : y2\nx3 : y3\nx4 : y4")
dumpFilePath = os.path.join(self.TMP_DIR, "dump1")
with open(dumpFilePath, "w") as f:
f.write("x1 ==> y10\nx2 ==> y20\nx3 ==> y30\nx4 ==> y40")
externSstPath = os.path.join(self.TMP_DIR, "extern_data1.sst")
self.assertTrue(
self.writeExternSst(
"--create_if_missing --db=%s" % dbPath, dumpFilePath, externSstPath
)
)
# cannot ingest if allow_global_seqno is false
self.assertFalse(
self.ingestExternSst(
"--create_if_missing --allow_global_seqno=false --db=%s" % dbPath,
externSstPath,
)
)
self.assertTrue(
self.ingestExternSst(
"--create_if_missing --allow_global_seqno --db=%s" % dbPath,
externSstPath,
)
)
self.assertRunOKFull(
"scan --db=%s" % dbPath, "x1 : y10\nx2 : y20\nx3 : y30\nx4 : y40"
)
if __name__ == "__main__":
unittest.main()