mirror of
https://github.com/python/cpython.git
synced 2025-10-31 13:41:24 +00:00
168 lines
3.8 KiB
Python
168 lines
3.8 KiB
Python
"""
|
|
TestCases for exercising a Queue DB.
|
|
"""
|
|
|
|
import sys, os, string
|
|
import tempfile
|
|
from pprint import pprint
|
|
import unittest
|
|
|
|
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
|
|
|
|
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)
|
|
#d.set_get_returns_none(true)
|
|
|
|
if verbose:
|
|
print "after open" + '-' * 30
|
|
pprint(d.stat())
|
|
|
|
d.append("one more")
|
|
|
|
if verbose:
|
|
print "after append" + '-' * 30
|
|
pprint(d.stat())
|
|
|
|
rec = d.consume()
|
|
while rec:
|
|
if verbose:
|
|
print rec
|
|
rec = d.consume()
|
|
|
|
if verbose:
|
|
print "after consume loop" + '-' * 30
|
|
pprint(d.stat())
|
|
|
|
d.close()
|
|
|
|
|
|
|
|
#----------------------------------------------------------------------
|
|
|
|
def test_suite():
|
|
return unittest.makeSuite(SimpleQueueTestCase)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
unittest.main(defaultTest='test_suite')
|