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164 lines
3.9 KiB
164 lines
3.9 KiB
"""
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TestCases for exercising a Queue DB.
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"""
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import os, string
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from pprint import pprint
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import unittest
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from test_all import db, verbose, get_new_database_path
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#----------------------------------------------------------------------
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class SimpleQueueTestCase(unittest.TestCase):
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def setUp(self):
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self.filename = get_new_database_path()
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def tearDown(self):
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try:
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os.remove(self.filename)
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except os.error:
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pass
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def test01_basic(self):
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# Basic Queue tests using the deprecated DBCursor.consume method.
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if verbose:
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print '\n', '-=' * 30
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print "Running %s.test01_basic..." % self.__class__.__name__
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d = db.DB()
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d.set_re_len(40) # Queues must be fixed length
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d.open(self.filename, db.DB_QUEUE, db.DB_CREATE)
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if verbose:
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print "before appends" + '-' * 30
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pprint(d.stat())
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for x in string.ascii_letters:
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d.append(x * 40)
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self.assertEqual(len(d), len(string.ascii_letters))
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d.put(100, "some more data")
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d.put(101, "and some more ")
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d.put(75, "out of order")
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d.put(1, "replacement data")
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self.assertEqual(len(d), len(string.ascii_letters)+3)
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if verbose:
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print "before close" + '-' * 30
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pprint(d.stat())
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d.close()
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del d
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d = db.DB()
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d.open(self.filename)
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if verbose:
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print "after open" + '-' * 30
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pprint(d.stat())
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# Test "txn" as a positional parameter
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d.append("one more", None)
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# Test "txn" as a keyword parameter
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d.append("another one", txn=None)
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c = d.cursor()
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if verbose:
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print "after append" + '-' * 30
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pprint(d.stat())
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rec = c.consume()
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while rec:
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if verbose:
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print rec
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rec = c.consume()
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c.close()
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if verbose:
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print "after consume loop" + '-' * 30
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pprint(d.stat())
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self.assertEqual(len(d), 0, \
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"if you see this message then you need to rebuild " \
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"Berkeley DB 3.1.17 with the patch in patches/qam_stat.diff")
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d.close()
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def test02_basicPost32(self):
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# Basic Queue tests using the new DB.consume method in DB 3.2+
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# (No cursor needed)
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if verbose:
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print '\n', '-=' * 30
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print "Running %s.test02_basicPost32..." % self.__class__.__name__
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d = db.DB()
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d.set_re_len(40) # Queues must be fixed length
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d.open(self.filename, db.DB_QUEUE, db.DB_CREATE)
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if verbose:
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print "before appends" + '-' * 30
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pprint(d.stat())
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for x in string.ascii_letters:
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d.append(x * 40)
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self.assertEqual(len(d), len(string.ascii_letters))
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d.put(100, "some more data")
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d.put(101, "and some more ")
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d.put(75, "out of order")
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d.put(1, "replacement data")
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self.assertEqual(len(d), len(string.ascii_letters)+3)
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if verbose:
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print "before close" + '-' * 30
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pprint(d.stat())
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d.close()
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del d
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d = db.DB()
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d.open(self.filename)
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#d.set_get_returns_none(true)
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if verbose:
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print "after open" + '-' * 30
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pprint(d.stat())
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d.append("one more")
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if verbose:
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print "after append" + '-' * 30
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pprint(d.stat())
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rec = d.consume()
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while rec:
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if verbose:
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print rec
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rec = d.consume()
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if verbose:
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print "after consume loop" + '-' * 30
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pprint(d.stat())
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d.close()
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#----------------------------------------------------------------------
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def test_suite():
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return unittest.makeSuite(SimpleQueueTestCase)
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if __name__ == '__main__':
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unittest.main(defaultTest='test_suite')
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