mirror of https://github.com/python/cpython
410 lines
15 KiB
Python
410 lines
15 KiB
Python
#!/usr/bin/env python
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#
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#-----------------------------------------------------------------------
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# A test suite for the table interface built on bsddb.db
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#-----------------------------------------------------------------------
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#
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# Copyright (C) 2000, 2001 by Autonomous Zone Industries
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# Copyright (C) 2002 Gregory P. Smith
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#
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# March 20, 2000
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#
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# License: This is free software. You may use this software for any
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# purpose including modification/redistribution, so long as
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# this header remains intact and that you do not claim any
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# rights of ownership or authorship of this software. This
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# software has been tested, but no warranty is expressed or
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# implied.
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#
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# -- Gregory P. Smith <greg@krypto.org>
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#
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# $Id$
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import os, re, sys
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if sys.version_info[0] < 3 :
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try:
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import cPickle
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pickle = cPickle
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except ImportError:
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import pickle
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else :
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import pickle
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import unittest
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from test_all import db, dbtables, test_support, verbose, \
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get_new_environment_path, get_new_database_path
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#----------------------------------------------------------------------
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class TableDBTestCase(unittest.TestCase):
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db_name = 'test-table.db'
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def setUp(self):
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import sys
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if sys.version_info[0] >= 3 :
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from test_all import do_proxy_db_py3k
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self._flag_proxy_db_py3k = do_proxy_db_py3k(False)
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self.testHomeDir = get_new_environment_path()
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self.tdb = dbtables.bsdTableDB(
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filename='tabletest.db', dbhome=self.testHomeDir, create=1)
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def tearDown(self):
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self.tdb.close()
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import sys
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if sys.version_info[0] >= 3 :
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from test_all import do_proxy_db_py3k
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do_proxy_db_py3k(self._flag_proxy_db_py3k)
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test_support.rmtree(self.testHomeDir)
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def test01(self):
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tabname = "test01"
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colname = 'cool numbers'
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try:
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self.tdb.Drop(tabname)
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except dbtables.TableDBError:
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pass
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self.tdb.CreateTable(tabname, [colname])
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import sys
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if sys.version_info[0] < 3 :
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self.tdb.Insert(tabname, {colname: pickle.dumps(3.14159, 1)})
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else :
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self.tdb.Insert(tabname, {colname: pickle.dumps(3.14159,
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1).decode("iso8859-1")}) # 8 bits
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if verbose:
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self.tdb._db_print()
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values = self.tdb.Select(
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tabname, [colname], conditions={colname: None})
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import sys
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if sys.version_info[0] < 3 :
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colval = pickle.loads(values[0][colname])
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else :
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colval = pickle.loads(bytes(values[0][colname], "iso8859-1"))
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self.assert_(colval > 3.141)
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self.assert_(colval < 3.142)
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def test02(self):
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tabname = "test02"
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col0 = 'coolness factor'
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col1 = 'but can it fly?'
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col2 = 'Species'
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import sys
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if sys.version_info[0] < 3 :
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testinfo = [
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{col0: pickle.dumps(8, 1), col1: 'no', col2: 'Penguin'},
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{col0: pickle.dumps(-1, 1), col1: 'no', col2: 'Turkey'},
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{col0: pickle.dumps(9, 1), col1: 'yes', col2: 'SR-71A Blackbird'}
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]
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else :
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testinfo = [
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{col0: pickle.dumps(8, 1).decode("iso8859-1"),
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col1: 'no', col2: 'Penguin'},
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{col0: pickle.dumps(-1, 1).decode("iso8859-1"),
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col1: 'no', col2: 'Turkey'},
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{col0: pickle.dumps(9, 1).decode("iso8859-1"),
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col1: 'yes', col2: 'SR-71A Blackbird'}
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]
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try:
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self.tdb.Drop(tabname)
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except dbtables.TableDBError:
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pass
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self.tdb.CreateTable(tabname, [col0, col1, col2])
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for row in testinfo :
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self.tdb.Insert(tabname, row)
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import sys
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if sys.version_info[0] < 3 :
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values = self.tdb.Select(tabname, [col2],
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conditions={col0: lambda x: pickle.loads(x) >= 8})
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else :
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values = self.tdb.Select(tabname, [col2],
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conditions={col0: lambda x:
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pickle.loads(bytes(x, "iso8859-1")) >= 8})
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self.assertEqual(len(values), 2)
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if values[0]['Species'] == 'Penguin' :
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self.assertEqual(values[1]['Species'], 'SR-71A Blackbird')
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elif values[0]['Species'] == 'SR-71A Blackbird' :
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self.assertEqual(values[1]['Species'], 'Penguin')
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else :
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if verbose:
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print "values= %r" % (values,)
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raise RuntimeError("Wrong values returned!")
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def test03(self):
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tabname = "test03"
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try:
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self.tdb.Drop(tabname)
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except dbtables.TableDBError:
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pass
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if verbose:
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print '...before CreateTable...'
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self.tdb._db_print()
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self.tdb.CreateTable(tabname, ['a', 'b', 'c', 'd', 'e'])
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if verbose:
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print '...after CreateTable...'
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self.tdb._db_print()
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self.tdb.Drop(tabname)
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if verbose:
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print '...after Drop...'
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self.tdb._db_print()
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self.tdb.CreateTable(tabname, ['a', 'b', 'c', 'd', 'e'])
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try:
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self.tdb.Insert(tabname,
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{'a': "",
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'e': pickle.dumps([{4:5, 6:7}, 'foo'], 1),
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'f': "Zero"})
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self.fail('Expected an exception')
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except dbtables.TableDBError:
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pass
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try:
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self.tdb.Select(tabname, [], conditions={'foo': '123'})
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self.fail('Expected an exception')
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except dbtables.TableDBError:
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pass
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self.tdb.Insert(tabname,
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{'a': '42',
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'b': "bad",
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'c': "meep",
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'e': 'Fuzzy wuzzy was a bear'})
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self.tdb.Insert(tabname,
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{'a': '581750',
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'b': "good",
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'd': "bla",
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'c': "black",
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'e': 'fuzzy was here'})
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self.tdb.Insert(tabname,
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{'a': '800000',
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'b': "good",
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'd': "bla",
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'c': "black",
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'e': 'Fuzzy wuzzy is a bear'})
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if verbose:
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self.tdb._db_print()
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# this should return two rows
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values = self.tdb.Select(tabname, ['b', 'a', 'd'],
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conditions={'e': re.compile('wuzzy').search,
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'a': re.compile('^[0-9]+$').match})
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self.assertEqual(len(values), 2)
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# now lets delete one of them and try again
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self.tdb.Delete(tabname, conditions={'b': dbtables.ExactCond('good')})
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values = self.tdb.Select(
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tabname, ['a', 'd', 'b'],
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conditions={'e': dbtables.PrefixCond('Fuzzy')})
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self.assertEqual(len(values), 1)
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self.assertEqual(values[0]['d'], None)
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values = self.tdb.Select(tabname, ['b'],
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conditions={'c': lambda c: c == 'meep'})
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self.assertEqual(len(values), 1)
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self.assertEqual(values[0]['b'], "bad")
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def test04_MultiCondSelect(self):
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tabname = "test04_MultiCondSelect"
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try:
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self.tdb.Drop(tabname)
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except dbtables.TableDBError:
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pass
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self.tdb.CreateTable(tabname, ['a', 'b', 'c', 'd', 'e'])
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try:
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self.tdb.Insert(tabname,
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{'a': "",
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'e': pickle.dumps([{4:5, 6:7}, 'foo'], 1),
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'f': "Zero"})
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self.fail('Expected an exception')
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except dbtables.TableDBError:
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pass
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self.tdb.Insert(tabname, {'a': "A", 'b': "B", 'c': "C", 'd': "D",
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'e': "E"})
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self.tdb.Insert(tabname, {'a': "-A", 'b': "-B", 'c': "-C", 'd': "-D",
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'e': "-E"})
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self.tdb.Insert(tabname, {'a': "A-", 'b': "B-", 'c': "C-", 'd': "D-",
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'e': "E-"})
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if verbose:
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self.tdb._db_print()
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# This select should return 0 rows. it is designed to test
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# the bug identified and fixed in sourceforge bug # 590449
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# (Big Thanks to "Rob Tillotson (n9mtb)" for tracking this down
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# and supplying a fix!! This one caused many headaches to say
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# the least...)
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values = self.tdb.Select(tabname, ['b', 'a', 'd'],
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conditions={'e': dbtables.ExactCond('E'),
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'a': dbtables.ExactCond('A'),
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'd': dbtables.PrefixCond('-')
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} )
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self.assertEqual(len(values), 0, values)
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def test_CreateOrExtend(self):
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tabname = "test_CreateOrExtend"
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self.tdb.CreateOrExtendTable(
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tabname, ['name', 'taste', 'filling', 'alcohol content', 'price'])
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try:
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self.tdb.Insert(tabname,
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{'taste': 'crap',
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'filling': 'no',
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'is it Guinness?': 'no'})
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self.fail("Insert should've failed due to bad column name")
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except:
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pass
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self.tdb.CreateOrExtendTable(tabname,
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['name', 'taste', 'is it Guinness?'])
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# these should both succeed as the table should contain the union of both sets of columns.
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self.tdb.Insert(tabname, {'taste': 'crap', 'filling': 'no',
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'is it Guinness?': 'no'})
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self.tdb.Insert(tabname, {'taste': 'great', 'filling': 'yes',
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'is it Guinness?': 'yes',
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'name': 'Guinness'})
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def test_CondObjs(self):
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tabname = "test_CondObjs"
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self.tdb.CreateTable(tabname, ['a', 'b', 'c', 'd', 'e', 'p'])
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self.tdb.Insert(tabname, {'a': "the letter A",
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'b': "the letter B",
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'c': "is for cookie"})
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self.tdb.Insert(tabname, {'a': "is for aardvark",
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'e': "the letter E",
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'c': "is for cookie",
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'd': "is for dog"})
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self.tdb.Insert(tabname, {'a': "the letter A",
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'e': "the letter E",
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'c': "is for cookie",
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'p': "is for Python"})
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values = self.tdb.Select(
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tabname, ['p', 'e'],
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conditions={'e': dbtables.PrefixCond('the l')})
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self.assertEqual(len(values), 2, values)
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self.assertEqual(values[0]['e'], values[1]['e'], values)
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self.assertNotEqual(values[0]['p'], values[1]['p'], values)
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values = self.tdb.Select(
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tabname, ['d', 'a'],
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conditions={'a': dbtables.LikeCond('%aardvark%')})
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self.assertEqual(len(values), 1, values)
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self.assertEqual(values[0]['d'], "is for dog", values)
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self.assertEqual(values[0]['a'], "is for aardvark", values)
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values = self.tdb.Select(tabname, None,
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{'b': dbtables.Cond(),
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'e':dbtables.LikeCond('%letter%'),
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'a':dbtables.PrefixCond('is'),
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'd':dbtables.ExactCond('is for dog'),
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'c':dbtables.PrefixCond('is for'),
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'p':lambda s: not s})
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self.assertEqual(len(values), 1, values)
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self.assertEqual(values[0]['d'], "is for dog", values)
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self.assertEqual(values[0]['a'], "is for aardvark", values)
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def test_Delete(self):
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tabname = "test_Delete"
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self.tdb.CreateTable(tabname, ['x', 'y', 'z'])
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# prior to 2001-05-09 there was a bug where Delete() would
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# fail if it encountered any rows that did not have values in
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# every column.
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# Hunted and Squashed by <Donwulff> (Jukka Santala - donwulff@nic.fi)
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self.tdb.Insert(tabname, {'x': 'X1', 'y':'Y1'})
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self.tdb.Insert(tabname, {'x': 'X2', 'y':'Y2', 'z': 'Z2'})
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self.tdb.Delete(tabname, conditions={'x': dbtables.PrefixCond('X')})
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values = self.tdb.Select(tabname, ['y'],
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conditions={'x': dbtables.PrefixCond('X')})
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self.assertEqual(len(values), 0)
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def test_Modify(self):
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tabname = "test_Modify"
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self.tdb.CreateTable(tabname, ['Name', 'Type', 'Access'])
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self.tdb.Insert(tabname, {'Name': 'Index to MP3 files.doc',
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'Type': 'Word', 'Access': '8'})
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self.tdb.Insert(tabname, {'Name': 'Nifty.MP3', 'Access': '1'})
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self.tdb.Insert(tabname, {'Type': 'Unknown', 'Access': '0'})
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def set_type(type):
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if type is None:
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return 'MP3'
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return type
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def increment_access(count):
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return str(int(count)+1)
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def remove_value(value):
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return None
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self.tdb.Modify(tabname,
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conditions={'Access': dbtables.ExactCond('0')},
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mappings={'Access': remove_value})
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self.tdb.Modify(tabname,
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conditions={'Name': dbtables.LikeCond('%MP3%')},
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mappings={'Type': set_type})
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self.tdb.Modify(tabname,
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conditions={'Name': dbtables.LikeCond('%')},
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mappings={'Access': increment_access})
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try:
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self.tdb.Modify(tabname,
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conditions={'Name': dbtables.LikeCond('%')},
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mappings={'Access': 'What is your quest?'})
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except TypeError:
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# success, the string value in mappings isn't callable
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pass
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else:
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raise RuntimeError, "why was TypeError not raised for bad callable?"
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# Delete key in select conditions
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values = self.tdb.Select(
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tabname, None,
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conditions={'Type': dbtables.ExactCond('Unknown')})
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self.assertEqual(len(values), 1, values)
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self.assertEqual(values[0]['Name'], None, values)
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self.assertEqual(values[0]['Access'], None, values)
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# Modify value by select conditions
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values = self.tdb.Select(
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tabname, None,
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conditions={'Name': dbtables.ExactCond('Nifty.MP3')})
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self.assertEqual(len(values), 1, values)
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self.assertEqual(values[0]['Type'], "MP3", values)
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self.assertEqual(values[0]['Access'], "2", values)
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# Make sure change applied only to select conditions
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values = self.tdb.Select(
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tabname, None, conditions={'Name': dbtables.LikeCond('%doc%')})
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self.assertEqual(len(values), 1, values)
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self.assertEqual(values[0]['Type'], "Word", values)
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self.assertEqual(values[0]['Access'], "9", values)
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def test_suite():
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suite = unittest.TestSuite()
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suite.addTest(unittest.makeSuite(TableDBTestCase))
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return suite
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if __name__ == '__main__':
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unittest.main(defaultTest='test_suite')
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