Tryag File Manager

//usr/lib/python2.4/bsddb/test/test_queue.py

"""
TestCases for exercising a Queue DB.
"""

import sys, os, string
import tempfile
from pprint import pprint
import unittest

try:
    # For Pythons w/distutils pybsddb
    from bsddb3 import db
except ImportError:
    # For Python 2.3
    from bsddb import db

from test_all import verbose

#----------------------------------------------------------------------

class SimpleQueueTestCase(unittest.TestCase):
    def setUp(self):
        self.filename = tempfile.mktemp()

def tearDown(self):
        try:
            os.remove(self.filename)
        except os.error:
            pass

def test01_basic(self):
        # Basic Queue tests using the deprecated DBCursor.consume method.

if verbose:
            print '\n', '-=' * 30
            print "Running %s.test01_basic..." % self.__class__.__name__

d = db.DB()
        d.set_re_len(40)  # Queues must be fixed length
        d.open(self.filename, db.DB_QUEUE, db.DB_CREATE)

if verbose:
            print "before appends" + '-' * 30
            pprint(d.stat())

for x in string.letters:
            d.append(x * 40)

assert len(d) == 52

d.put(100, "some more data")
        d.put(101, "and some more ")
        d.put(75,  "out of order")
        d.put(1,   "replacement data")

assert len(d) == 55

if verbose:
            print "before close" + '-' * 30
            pprint(d.stat())

d.close()
        del d
        d = db.DB()
        d.open(self.filename)

if verbose:
            print "after open" + '-' * 30
            pprint(d.stat())

d.append("one more")
        c = d.cursor()

if verbose:
            print "after append" + '-' * 30
            pprint(d.stat())

rec = c.consume()
        while rec:
            if verbose:
                print rec
            rec = c.consume()
        c.close()

if verbose:
            print "after consume loop" + '-' * 30
            pprint(d.stat())

assert len(d) == 0, \
               "if you see this message then you need to rebuild " \
               "BerkeleyDB 3.1.17 with the patch in patches/qam_stat.diff"

d.close()

def test02_basicPost32(self):
        # Basic Queue tests using the new DB.consume method in DB 3.2+
        # (No cursor needed)

if verbose:
            print '\n', '-=' * 30
            print "Running %s.test02_basicPost32..." % self.__class__.__name__

if db.version() < (3, 2, 0):
            if verbose:
                print "Test not run, DB not new enough..."
            return