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850 lines
24 KiB
Python
850 lines
24 KiB
Python
"""
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Basic TestCases for BTree and hash DBs, with and without a DBEnv, with
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various DB flags, etc.
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"""
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import os
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import sys
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import errno
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import shutil
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import string
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import tempfile
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from pprint import pprint
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import unittest
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from bsddb import db
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from test_all import verbose
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DASH = '-'
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#----------------------------------------------------------------------
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class VersionTestCase(unittest.TestCase):
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def test00_version(self):
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info = db.version()
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if verbose:
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print '\n', '-=' * 20
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print 'bsddb.db.version(): %s' % (info, )
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print db.DB_VERSION_STRING
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print '-=' * 20
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assert info == (db.DB_VERSION_MAJOR, db.DB_VERSION_MINOR,
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db.DB_VERSION_PATCH)
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#----------------------------------------------------------------------
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class BasicTestCase(unittest.TestCase):
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dbtype = db.DB_UNKNOWN # must be set in derived class
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dbopenflags = 0
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dbsetflags = 0
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dbmode = 0660
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dbname = None
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useEnv = 0
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envflags = 0
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envsetflags = 0
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def setUp(self):
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if self.useEnv:
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homeDir = os.path.join(os.path.dirname(sys.argv[0]), 'db_home')
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self.homeDir = homeDir
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try:
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shutil.rmtree(homeDir)
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except OSError, e:
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# unix returns ENOENT, windows returns ESRCH
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if e.errno not in (errno.ENOENT, errno.ESRCH): raise
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os.mkdir(homeDir)
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try:
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self.env = db.DBEnv()
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self.env.set_lg_max(1024*1024)
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self.env.set_flags(self.envsetflags, 1)
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self.env.open(homeDir, self.envflags | db.DB_CREATE)
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tempfile.tempdir = homeDir
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self.filename = os.path.split(tempfile.mktemp())[1]
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tempfile.tempdir = None
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# Yes, a bare except is intended, since we're re-raising the exc.
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except:
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shutil.rmtree(homeDir)
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raise
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else:
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self.env = None
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self.filename = tempfile.mktemp()
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# create and open the DB
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self.d = db.DB(self.env)
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self.d.set_flags(self.dbsetflags)
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if self.dbname:
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self.d.open(self.filename, self.dbname, self.dbtype,
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self.dbopenflags|db.DB_CREATE, self.dbmode)
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else:
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self.d.open(self.filename, # try out keyword args
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mode = self.dbmode,
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dbtype = self.dbtype,
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flags = self.dbopenflags|db.DB_CREATE)
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self.populateDB()
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def tearDown(self):
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self.d.close()
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if self.env is not None:
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self.env.close()
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shutil.rmtree(self.homeDir)
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## Make a new DBEnv to remove the env files from the home dir.
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## (It can't be done while the env is open, nor after it has been
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## closed, so we make a new one to do it.)
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#e = db.DBEnv()
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#e.remove(self.homeDir)
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#os.remove(os.path.join(self.homeDir, self.filename))
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else:
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os.remove(self.filename)
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def populateDB(self):
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d = self.d
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for x in range(500):
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key = '%04d' % (1000 - x) # insert keys in reverse order
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data = self.makeData(key)
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d.put(key, data)
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for x in range(500):
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key = '%04d' % x # and now some in forward order
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data = self.makeData(key)
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d.put(key, data)
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num = len(d)
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if verbose:
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print "created %d records" % num
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def makeData(self, key):
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return DASH.join([key] * 5)
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#----------------------------------------
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def test01_GetsAndPuts(self):
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d = self.d
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if verbose:
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print '\n', '-=' * 30
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print "Running %s.test01_GetsAndPuts..." % self.__class__.__name__
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for key in ['0001', '0100', '0400', '0700', '0999']:
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data = d.get(key)
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if verbose:
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print data
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assert d.get('0321') == '0321-0321-0321-0321-0321'
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# By default non-existant keys return None...
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assert d.get('abcd') == None
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# ...but they raise exceptions in other situations. Call
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# set_get_returns_none() to change it.
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try:
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d.delete('abcd')
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except db.DBNotFoundError, val:
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assert val[0] == db.DB_NOTFOUND
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if verbose: print val
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else:
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self.fail("expected exception")
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d.put('abcd', 'a new record')
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assert d.get('abcd') == 'a new record'
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d.put('abcd', 'same key')
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if self.dbsetflags & db.DB_DUP:
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assert d.get('abcd') == 'a new record'
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else:
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assert d.get('abcd') == 'same key'
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try:
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d.put('abcd', 'this should fail', flags=db.DB_NOOVERWRITE)
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except db.DBKeyExistError, val:
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assert val[0] == db.DB_KEYEXIST
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if verbose: print val
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else:
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self.fail("expected exception")
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if self.dbsetflags & db.DB_DUP:
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assert d.get('abcd') == 'a new record'
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else:
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assert d.get('abcd') == 'same key'
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d.sync()
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d.close()
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del d
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self.d = db.DB(self.env)
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if self.dbname:
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self.d.open(self.filename, self.dbname)
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else:
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self.d.open(self.filename)
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d = self.d
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assert d.get('0321') == '0321-0321-0321-0321-0321'
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if self.dbsetflags & db.DB_DUP:
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assert d.get('abcd') == 'a new record'
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else:
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assert d.get('abcd') == 'same key'
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rec = d.get_both('0555', '0555-0555-0555-0555-0555')
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if verbose:
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print rec
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assert d.get_both('0555', 'bad data') == None
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# test default value
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data = d.get('bad key', 'bad data')
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assert data == 'bad data'
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# any object can pass through
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data = d.get('bad key', self)
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assert data == self
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s = d.stat()
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assert type(s) == type({})
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if verbose:
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print 'd.stat() returned this dictionary:'
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pprint(s)
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#----------------------------------------
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def test02_DictionaryMethods(self):
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d = self.d
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if verbose:
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print '\n', '-=' * 30
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print "Running %s.test02_DictionaryMethods..." % \
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self.__class__.__name__
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for key in ['0002', '0101', '0401', '0701', '0998']:
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data = d[key]
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assert data == self.makeData(key)
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if verbose:
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print data
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assert len(d) == 1000
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keys = d.keys()
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assert len(keys) == 1000
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assert type(keys) == type([])
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d['new record'] = 'a new record'
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assert len(d) == 1001
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keys = d.keys()
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assert len(keys) == 1001
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d['new record'] = 'a replacement record'
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assert len(d) == 1001
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keys = d.keys()
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assert len(keys) == 1001
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if verbose:
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print "the first 10 keys are:"
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pprint(keys[:10])
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assert d['new record'] == 'a replacement record'
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assert d.has_key('0001') == 1
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assert d.has_key('spam') == 0
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items = d.items()
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assert len(items) == 1001
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assert type(items) == type([])
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assert type(items[0]) == type(())
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assert len(items[0]) == 2
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if verbose:
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print "the first 10 items are:"
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pprint(items[:10])
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values = d.values()
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assert len(values) == 1001
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assert type(values) == type([])
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if verbose:
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print "the first 10 values are:"
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pprint(values[:10])
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#----------------------------------------
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def test03_SimpleCursorStuff(self):
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if verbose:
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print '\n', '-=' * 30
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print "Running %s.test03_SimpleCursorStuff..." % \
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self.__class__.__name__
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if self.env and self.dbopenflags & db.DB_AUTO_COMMIT:
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txn = self.env.txn_begin()
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else:
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txn = None
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c = self.d.cursor(txn=txn)
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rec = c.first()
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count = 0
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while rec is not None:
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count = count + 1
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if verbose and count % 100 == 0:
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print rec
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rec = c.next()
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assert count == 1000
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rec = c.last()
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count = 0
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while rec is not None:
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count = count + 1
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if verbose and count % 100 == 0:
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print rec
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rec = c.prev()
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assert count == 1000
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rec = c.set('0505')
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rec2 = c.current()
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assert rec == rec2
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assert rec[0] == '0505'
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assert rec[1] == self.makeData('0505')
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try:
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c.set('bad key')
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except db.DBNotFoundError, val:
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assert val[0] == db.DB_NOTFOUND
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if verbose: print val
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else:
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self.fail("expected exception")
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rec = c.get_both('0404', self.makeData('0404'))
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assert rec == ('0404', self.makeData('0404'))
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try:
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c.get_both('0404', 'bad data')
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except db.DBNotFoundError, val:
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assert val[0] == db.DB_NOTFOUND
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if verbose: print val
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else:
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self.fail("expected exception")
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if self.d.get_type() == db.DB_BTREE:
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rec = c.set_range('011')
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if verbose:
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print "searched for '011', found: ", rec
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rec = c.set_range('011',dlen=0,doff=0)
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if verbose:
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print "searched (partial) for '011', found: ", rec
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if rec[1] != '': set.fail('expected empty data portion')
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c.set('0499')
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c.delete()
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try:
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rec = c.current()
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except db.DBKeyEmptyError, val:
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assert val[0] == db.DB_KEYEMPTY
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if verbose: print val
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else:
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self.fail('exception expected')
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c.next()
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c2 = c.dup(db.DB_POSITION)
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assert c.current() == c2.current()
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c2.put('', 'a new value', db.DB_CURRENT)
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assert c.current() == c2.current()
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assert c.current()[1] == 'a new value'
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c2.put('', 'er', db.DB_CURRENT, dlen=0, doff=5)
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assert c2.current()[1] == 'a newer value'
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c.close()
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c2.close()
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if txn:
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txn.commit()
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# time to abuse the closed cursors and hope we don't crash
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methods_to_test = {
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'current': (),
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'delete': (),
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'dup': (db.DB_POSITION,),
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'first': (),
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'get': (0,),
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'next': (),
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'prev': (),
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'last': (),
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'put':('', 'spam', db.DB_CURRENT),
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'set': ("0505",),
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}
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for method, args in methods_to_test.items():
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try:
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if verbose:
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print "attempting to use a closed cursor's %s method" % \
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method
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# a bug may cause a NULL pointer dereference...
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apply(getattr(c, method), args)
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except db.DBError, val:
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assert val[0] == 0
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if verbose: print val
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else:
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self.fail("no exception raised when using a buggy cursor's"
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"%s method" % method)
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#----------------------------------------
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def test04_PartialGetAndPut(self):
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d = self.d
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if verbose:
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print '\n', '-=' * 30
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print "Running %s.test04_PartialGetAndPut..." % \
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self.__class__.__name__
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key = "partialTest"
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data = "1" * 1000 + "2" * 1000
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d.put(key, data)
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assert d.get(key) == data
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assert d.get(key, dlen=20, doff=990) == ("1" * 10) + ("2" * 10)
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d.put("partialtest2", ("1" * 30000) + "robin" )
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assert d.get("partialtest2", dlen=5, doff=30000) == "robin"
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# There seems to be a bug in DB here... Commented out the test for
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# now.
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##assert d.get("partialtest2", dlen=5, doff=30010) == ""
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if self.dbsetflags != db.DB_DUP:
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# Partial put with duplicate records requires a cursor
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d.put(key, "0000", dlen=2000, doff=0)
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assert d.get(key) == "0000"
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d.put(key, "1111", dlen=1, doff=2)
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assert d.get(key) == "0011110"
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#----------------------------------------
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def test05_GetSize(self):
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d = self.d
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if verbose:
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print '\n', '-=' * 30
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print "Running %s.test05_GetSize..." % self.__class__.__name__
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for i in range(1, 50000, 500):
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key = "size%s" % i
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#print "before ", i,
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d.put(key, "1" * i)
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#print "after",
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assert d.get_size(key) == i
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#print "done"
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#----------------------------------------
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def test06_Truncate(self):
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if db.version() < (3,3):
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# truncate is a feature of BerkeleyDB 3.3 and above
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return
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d = self.d
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if verbose:
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print '\n', '-=' * 30
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print "Running %s.test99_Truncate..." % self.__class__.__name__
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d.put("abcde", "ABCDE");
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num = d.truncate()
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assert num >= 1, "truncate returned <= 0 on non-empty database"
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num = d.truncate()
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assert num == 0, "truncate on empty DB returned nonzero (%s)" % `num`
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#----------------------------------------------------------------------
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class BasicBTreeTestCase(BasicTestCase):
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dbtype = db.DB_BTREE
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class BasicHashTestCase(BasicTestCase):
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dbtype = db.DB_HASH
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class BasicBTreeWithThreadFlagTestCase(BasicTestCase):
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dbtype = db.DB_BTREE
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dbopenflags = db.DB_THREAD
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class BasicHashWithThreadFlagTestCase(BasicTestCase):
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dbtype = db.DB_HASH
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dbopenflags = db.DB_THREAD
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class BasicBTreeWithEnvTestCase(BasicTestCase):
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dbtype = db.DB_BTREE
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dbopenflags = db.DB_THREAD
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useEnv = 1
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envflags = db.DB_THREAD | db.DB_INIT_MPOOL | db.DB_INIT_LOCK
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class BasicHashWithEnvTestCase(BasicTestCase):
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dbtype = db.DB_HASH
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dbopenflags = db.DB_THREAD
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useEnv = 1
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envflags = db.DB_THREAD | db.DB_INIT_MPOOL | db.DB_INIT_LOCK
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#----------------------------------------------------------------------
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class BasicTransactionTestCase(BasicTestCase):
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dbopenflags = db.DB_THREAD | db.DB_AUTO_COMMIT
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useEnv = 1
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envflags = (db.DB_THREAD | db.DB_INIT_MPOOL | db.DB_INIT_LOCK |
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db.DB_INIT_TXN)
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envsetflags = db.DB_AUTO_COMMIT
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def tearDown(self):
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self.txn.commit()
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BasicTestCase.tearDown(self)
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def populateDB(self):
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d = self.d
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txn = self.env.txn_begin()
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for x in range(500):
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key = '%04d' % (1000 - x) # insert keys in reverse order
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data = self.makeData(key)
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d.put(key, data, txn)
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for x in range(500):
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key = '%04d' % x # and now some in forward order
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data = self.makeData(key)
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d.put(key, data, txn)
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txn.commit()
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num = len(d)
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if verbose:
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print "created %d records" % num
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self.txn = self.env.txn_begin()
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def test06_Transactions(self):
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d = self.d
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if verbose:
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print '\n', '-=' * 30
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print "Running %s.test06_Transactions..." % self.__class__.__name__
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assert d.get('new rec', txn=self.txn) == None
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d.put('new rec', 'this is a new record', self.txn)
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assert d.get('new rec', txn=self.txn) == 'this is a new record'
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self.txn.abort()
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assert d.get('new rec') == None
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self.txn = self.env.txn_begin()
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assert d.get('new rec', txn=self.txn) == None
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d.put('new rec', 'this is a new record', self.txn)
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assert d.get('new rec', txn=self.txn) == 'this is a new record'
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self.txn.commit()
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assert d.get('new rec') == 'this is a new record'
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self.txn = self.env.txn_begin()
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c = d.cursor(self.txn)
|
|
rec = c.first()
|
|
count = 0
|
|
while rec is not None:
|
|
count = count + 1
|
|
if verbose and count % 100 == 0:
|
|
print rec
|
|
rec = c.next()
|
|
assert count == 1001
|
|
|
|
c.close() # Cursors *MUST* be closed before commit!
|
|
self.txn.commit()
|
|
|
|
# flush pending updates
|
|
try:
|
|
self.env.txn_checkpoint (0, 0, 0)
|
|
except db.DBIncompleteError:
|
|
pass
|
|
|
|
# must have at least one log file present:
|
|
logs = self.env.log_archive(db.DB_ARCH_ABS | db.DB_ARCH_LOG)
|
|
assert logs != None
|
|
for log in logs:
|
|
if verbose:
|
|
print 'log file: ' + log
|
|
|
|
self.txn = self.env.txn_begin()
|
|
|
|
#----------------------------------------
|
|
|
|
def test07_TxnTruncate(self):
|
|
if db.version() < (3,3):
|
|
# truncate is a feature of BerkeleyDB 3.3 and above
|
|
return
|
|
|
|
d = self.d
|
|
if verbose:
|
|
print '\n', '-=' * 30
|
|
print "Running %s.test07_TxnTruncate..." % self.__class__.__name__
|
|
|
|
d.put("abcde", "ABCDE");
|
|
txn = self.env.txn_begin()
|
|
num = d.truncate(txn)
|
|
assert num >= 1, "truncate returned <= 0 on non-empty database"
|
|
num = d.truncate(txn)
|
|
assert num == 0, "truncate on empty DB returned nonzero (%s)" % `num`
|
|
txn.commit()
|
|
|
|
|
|
|
|
class BTreeTransactionTestCase(BasicTransactionTestCase):
|
|
dbtype = db.DB_BTREE
|
|
|
|
class HashTransactionTestCase(BasicTransactionTestCase):
|
|
dbtype = db.DB_HASH
|
|
|
|
|
|
|
|
#----------------------------------------------------------------------
|
|
|
|
class BTreeRecnoTestCase(BasicTestCase):
|
|
dbtype = db.DB_BTREE
|
|
dbsetflags = db.DB_RECNUM
|
|
|
|
def test07_RecnoInBTree(self):
|
|
d = self.d
|
|
if verbose:
|
|
print '\n', '-=' * 30
|
|
print "Running %s.test07_RecnoInBTree..." % self.__class__.__name__
|
|
|
|
rec = d.get(200)
|
|
assert type(rec) == type(())
|
|
assert len(rec) == 2
|
|
if verbose:
|
|
print "Record #200 is ", rec
|
|
|
|
c = d.cursor()
|
|
c.set('0200')
|
|
num = c.get_recno()
|
|
assert type(num) == type(1)
|
|
if verbose:
|
|
print "recno of d['0200'] is ", num
|
|
|
|
rec = c.current()
|
|
assert c.set_recno(num) == rec
|
|
|
|
c.close()
|
|
|
|
|
|
|
|
class BTreeRecnoWithThreadFlagTestCase(BTreeRecnoTestCase):
|
|
dbopenflags = db.DB_THREAD
|
|
|
|
#----------------------------------------------------------------------
|
|
|
|
class BasicDUPTestCase(BasicTestCase):
|
|
dbsetflags = db.DB_DUP
|
|
|
|
def test08_DuplicateKeys(self):
|
|
d = self.d
|
|
if verbose:
|
|
print '\n', '-=' * 30
|
|
print "Running %s.test08_DuplicateKeys..." % \
|
|
self.__class__.__name__
|
|
|
|
d.put("dup0", "before")
|
|
for x in "The quick brown fox jumped over the lazy dog.".split():
|
|
d.put("dup1", x)
|
|
d.put("dup2", "after")
|
|
|
|
data = d.get("dup1")
|
|
assert data == "The"
|
|
if verbose:
|
|
print data
|
|
|
|
c = d.cursor()
|
|
rec = c.set("dup1")
|
|
assert rec == ('dup1', 'The')
|
|
|
|
next = c.next()
|
|
assert next == ('dup1', 'quick')
|
|
|
|
rec = c.set("dup1")
|
|
count = c.count()
|
|
assert count == 9
|
|
|
|
next_dup = c.next_dup()
|
|
assert next_dup == ('dup1', 'quick')
|
|
|
|
rec = c.set('dup1')
|
|
while rec is not None:
|
|
if verbose:
|
|
print rec
|
|
rec = c.next_dup()
|
|
|
|
c.set('dup1')
|
|
rec = c.next_nodup()
|
|
assert rec[0] != 'dup1'
|
|
if verbose:
|
|
print rec
|
|
|
|
c.close()
|
|
|
|
|
|
|
|
class BTreeDUPTestCase(BasicDUPTestCase):
|
|
dbtype = db.DB_BTREE
|
|
|
|
class HashDUPTestCase(BasicDUPTestCase):
|
|
dbtype = db.DB_HASH
|
|
|
|
class BTreeDUPWithThreadTestCase(BasicDUPTestCase):
|
|
dbtype = db.DB_BTREE
|
|
dbopenflags = db.DB_THREAD
|
|
|
|
class HashDUPWithThreadTestCase(BasicDUPTestCase):
|
|
dbtype = db.DB_HASH
|
|
dbopenflags = db.DB_THREAD
|
|
|
|
|
|
#----------------------------------------------------------------------
|
|
|
|
class BasicMultiDBTestCase(BasicTestCase):
|
|
dbname = 'first'
|
|
|
|
def otherType(self):
|
|
if self.dbtype == db.DB_BTREE:
|
|
return db.DB_HASH
|
|
else:
|
|
return db.DB_BTREE
|
|
|
|
def test09_MultiDB(self):
|
|
d1 = self.d
|
|
if verbose:
|
|
print '\n', '-=' * 30
|
|
print "Running %s.test09_MultiDB..." % self.__class__.__name__
|
|
|
|
d2 = db.DB(self.env)
|
|
d2.open(self.filename, "second", self.dbtype,
|
|
self.dbopenflags|db.DB_CREATE)
|
|
d3 = db.DB(self.env)
|
|
d3.open(self.filename, "third", self.otherType(),
|
|
self.dbopenflags|db.DB_CREATE)
|
|
|
|
for x in "The quick brown fox jumped over the lazy dog".split():
|
|
d2.put(x, self.makeData(x))
|
|
|
|
for x in string.letters:
|
|
d3.put(x, x*70)
|
|
|
|
d1.sync()
|
|
d2.sync()
|
|
d3.sync()
|
|
d1.close()
|
|
d2.close()
|
|
d3.close()
|
|
|
|
self.d = d1 = d2 = d3 = None
|
|
|
|
self.d = d1 = db.DB(self.env)
|
|
d1.open(self.filename, self.dbname, flags = self.dbopenflags)
|
|
d2 = db.DB(self.env)
|
|
d2.open(self.filename, "second", flags = self.dbopenflags)
|
|
d3 = db.DB(self.env)
|
|
d3.open(self.filename, "third", flags = self.dbopenflags)
|
|
|
|
c1 = d1.cursor()
|
|
c2 = d2.cursor()
|
|
c3 = d3.cursor()
|
|
|
|
count = 0
|
|
rec = c1.first()
|
|
while rec is not None:
|
|
count = count + 1
|
|
if verbose and (count % 50) == 0:
|
|
print rec
|
|
rec = c1.next()
|
|
assert count == 1000
|
|
|
|
count = 0
|
|
rec = c2.first()
|
|
while rec is not None:
|
|
count = count + 1
|
|
if verbose:
|
|
print rec
|
|
rec = c2.next()
|
|
assert count == 9
|
|
|
|
count = 0
|
|
rec = c3.first()
|
|
while rec is not None:
|
|
count = count + 1
|
|
if verbose:
|
|
print rec
|
|
rec = c3.next()
|
|
assert count == 52
|
|
|
|
|
|
c1.close()
|
|
c2.close()
|
|
c3.close()
|
|
|
|
d2.close()
|
|
d3.close()
|
|
|
|
|
|
|
|
# Strange things happen if you try to use Multiple DBs per file without a
|
|
# DBEnv with MPOOL and LOCKing...
|
|
|
|
class BTreeMultiDBTestCase(BasicMultiDBTestCase):
|
|
dbtype = db.DB_BTREE
|
|
dbopenflags = db.DB_THREAD
|
|
useEnv = 1
|
|
envflags = db.DB_THREAD | db.DB_INIT_MPOOL | db.DB_INIT_LOCK
|
|
|
|
class HashMultiDBTestCase(BasicMultiDBTestCase):
|
|
dbtype = db.DB_HASH
|
|
dbopenflags = db.DB_THREAD
|
|
useEnv = 1
|
|
envflags = db.DB_THREAD | db.DB_INIT_MPOOL | db.DB_INIT_LOCK
|
|
|
|
|
|
#----------------------------------------------------------------------
|
|
#----------------------------------------------------------------------
|
|
|
|
def test_suite():
|
|
suite = unittest.TestSuite()
|
|
|
|
suite.addTest(unittest.makeSuite(VersionTestCase))
|
|
suite.addTest(unittest.makeSuite(BasicBTreeTestCase))
|
|
suite.addTest(unittest.makeSuite(BasicHashTestCase))
|
|
suite.addTest(unittest.makeSuite(BasicBTreeWithThreadFlagTestCase))
|
|
suite.addTest(unittest.makeSuite(BasicHashWithThreadFlagTestCase))
|
|
suite.addTest(unittest.makeSuite(BasicBTreeWithEnvTestCase))
|
|
suite.addTest(unittest.makeSuite(BasicHashWithEnvTestCase))
|
|
suite.addTest(unittest.makeSuite(BTreeTransactionTestCase))
|
|
suite.addTest(unittest.makeSuite(HashTransactionTestCase))
|
|
suite.addTest(unittest.makeSuite(BTreeRecnoTestCase))
|
|
suite.addTest(unittest.makeSuite(BTreeRecnoWithThreadFlagTestCase))
|
|
suite.addTest(unittest.makeSuite(BTreeDUPTestCase))
|
|
suite.addTest(unittest.makeSuite(HashDUPTestCase))
|
|
suite.addTest(unittest.makeSuite(BTreeDUPWithThreadTestCase))
|
|
suite.addTest(unittest.makeSuite(HashDUPWithThreadTestCase))
|
|
suite.addTest(unittest.makeSuite(BTreeMultiDBTestCase))
|
|
suite.addTest(unittest.makeSuite(HashMultiDBTestCase))
|
|
|
|
return suite
|
|
|
|
|
|
if __name__ == '__main__':
|
|
unittest.main(defaultTest='test_suite')
|