cpython/Lib/test/test_bsddb.py

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#! /usr/bin/env python
"""Test script for the bsddb C module
Roger E. Masse
"""
1999-03-24 15:03:01 -04:00
import os
import bsddb
import dbhash # Just so we know it's imported
import tempfile
from test_support import verbose, verify
def test(openmethod, what, ondisk=1):
if verbose:
print '\nTesting: ', what, (ondisk and "on disk" or "in memory")
if ondisk:
fname = tempfile.mktemp()
else:
fname = None
f = openmethod(fname, 'c')
verify(f.keys() == [])
if verbose:
print 'creation...'
f['0'] = ''
f['a'] = 'Guido'
f['b'] = 'van'
f['c'] = 'Rossum'
f['d'] = 'invented'
f['f'] = 'Python'
if verbose:
print '%s %s %s' % (f['a'], f['b'], f['c'])
if what == 'BTree' :
if verbose:
print 'key ordering...'
f.set_location(f.first()[0])
while 1:
try:
rec = f.next()
except KeyError:
if rec != f.last():
print 'Error, last != last!'
f.previous()
break
if verbose:
print rec
if not f.has_key('a'):
print 'Error, missing key!'
f.sync()
f.close()
if ondisk:
# if we're using an in-memory only db, we can't reopen it
# so finish here.
if verbose:
print 'modification...'
f = openmethod(fname, 'w')
f['d'] = 'discovered'
if verbose:
print 'access...'
for key in f.keys():
word = f[key]
if verbose:
print word
f.close()
try:
os.remove(fname)
except os.error:
pass
types = [(bsddb.btopen, 'BTree'),
(bsddb.hashopen, 'Hash Table'),
(bsddb.btopen, 'BTree', 0),
(bsddb.hashopen, 'Hash Table', 0),
# (bsddb.rnopen,'Record Numbers'), 'put' for RECNO for bsddb 1.85
# appears broken... at least on
# Solaris Intel - rmasse 1/97
]
for type in types:
test(*type)