Importing test suite from bsddb3 3.4.0 (with modifications).

1 files changed, 265 insertions, 0 deletions

diff --git a/Lib/bsddb/test/test_dbtables.py b/Lib/bsddb/test/test_dbtables.py
new file mode 100644
index 0000000..9809945
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+++ b/Lib/bsddb/test/test_dbtables.py
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+#!/usr/bin/env python
+#
+#-----------------------------------------------------------------------
+# A test suite for the table interface built on bsddb.db
+#-----------------------------------------------------------------------
+#
+# Copyright (C) 2000, 2001 by Autonomous Zone Industries
+#
+# March 20, 2000
+#
+# License:      This is free software.  You may use this software for any
+#               purpose including modification/redistribution, so long as
+#               this header remains intact and that you do not claim any
+#               rights of ownership or authorship of this software.  This
+#               software has been tested, but no warranty is expressed or
+#               implied.
+#
+#   --  Gregory P. Smith <greg@electricrain.com>
+#
+# $Id$
+
+import sys, os, re
+try:
+    import cPickle
+    pickle = cPickle
+except ImportError:
+    import pickle
+
+import unittest
+from test.test_support import verbose
+
+from bsddb import db, dbtables
+
+
+
+#----------------------------------------------------------------------
+
+class TableDBTestCase(unittest.TestCase):
+    db_home = 'db_home'
+    db_name = 'test-table.db'
+
+    def setUp(self):
+        homeDir = os.path.join(os.path.dirname(sys.argv[0]), 'db_home')
+        self.homeDir = homeDir
+        try: os.mkdir(homeDir)
+        except os.error: pass
+        self.tdb = dbtables.bsdTableDB(filename='tabletest.db', dbhome='db_home', create=1)
+
+    def tearDown(self):
+        self.tdb.close()
+        import glob
+        files = glob.glob(os.path.join(self.homeDir, '*'))
+        for file in files:
+            os.remove(file)
+
+    def test01(self):
+        tabname = "test01"
+        colname = 'cool numbers'
+        try:
+            self.tdb.Drop(tabname)
+        except dbtables.TableDBError:
+            pass
+        self.tdb.CreateTable(tabname, [colname])
+        self.tdb.Insert(tabname, {colname: pickle.dumps(3.14159, 1)})
+
+        if verbose:
+            self.tdb._db_print()
+
+        values = self.tdb.Select(tabname, [colname], conditions={colname: None})
+
+        colval = pickle.loads(values[0][colname])
+        assert(colval > 3.141 and colval < 3.142)
+
+
+    def test02(self):
+        tabname = "test02"
+        col0 = 'coolness factor'
+        col1 = 'but can it fly?'
+        col2 = 'Species'
+        testinfo = [
+            {col0: pickle.dumps(8, 1), col1: 'no', col2: 'Penguin'},
+            {col0: pickle.dumps(-1, 1), col1: 'no', col2: 'Turkey'},
+            {col0: pickle.dumps(9, 1), col1: 'yes', col2: 'SR-71A Blackbird'}
+        ]
+
+        try:
+            self.tdb.Drop(tabname)
+        except dbtables.TableDBError:
+            pass
+        self.tdb.CreateTable(tabname, [col0, col1, col2])
+        for row in testinfo :
+            self.tdb.Insert(tabname, row)
+
+        values = self.tdb.Select(tabname, [col2],
+            conditions={col0: lambda x: pickle.loads(x) >= 8})
+
+        assert len(values) == 2
+        if values[0]['Species'] == 'Penguin' :
+            assert values[1]['Species'] == 'SR-71A Blackbird'
+        elif values[0]['Species'] == 'SR-71A Blackbird' :
+            assert values[1]['Species'] == 'Penguin'
+        else :
+            if verbose:
+                print "values=", `values`
+            raise "Wrong values returned!"
+
+    def test03(self):
+        tabname = "test03"
+        try:
+            self.tdb.Drop(tabname)
+        except dbtables.TableDBError:
+            pass
+        if verbose:
+            print '...before CreateTable...'
+            self.tdb._db_print()
+        self.tdb.CreateTable(tabname, ['a', 'b', 'c', 'd', 'e'])
+        if verbose:
+            print '...after CreateTable...'
+            self.tdb._db_print()
+        self.tdb.Drop(tabname)
+        if verbose:
+            print '...after Drop...'
+            self.tdb._db_print()
+        self.tdb.CreateTable(tabname, ['a', 'b', 'c', 'd', 'e'])
+
+        try:
+            self.tdb.Insert(tabname, {'a': "", 'e': pickle.dumps([{4:5, 6:7}, 'foo'], 1), 'f': "Zero"})
+            assert 0
+        except dbtables.TableDBError:
+            pass
+
+        try:
+            self.tdb.Select(tabname, [], conditions={'foo': '123'})
+            assert 0
+        except dbtables.TableDBError:
+            pass
+
+        self.tdb.Insert(tabname, {'a': '42', 'b': "bad", 'c': "meep", 'e': 'Fuzzy wuzzy was a bear'})
+        self.tdb.Insert(tabname, {'a': '581750', 'b': "good", 'd': "bla", 'c': "black", 'e': 'fuzzy was here'})
+        self.tdb.Insert(tabname, {'a': '800000', 'b': "good", 'd': "bla", 'c': "black", 'e': 'Fuzzy wuzzy is a bear'})
+
+        if verbose:
+            self.tdb._db_print()
+
+        # this should return two rows
+        values = self.tdb.Select(tabname, ['b', 'a', 'd'],
+            conditions={'e': re.compile('wuzzy').search, 'a': re.compile('^[0-9]+$').match})
+        assert len(values) == 2
+
+        # now lets delete one of them and try again
+        self.tdb.Delete(tabname, conditions={'b': dbtables.ExactCond('good')})
+        values = self.tdb.Select(tabname, ['a', 'd', 'b'], conditions={'e': dbtables.PrefixCond('Fuzzy')})
+        assert len(values) == 1
+        assert values[0]['d'] == None
+
+        values = self.tdb.Select(tabname, ['b'],
+            conditions={'c': lambda c: c == 'meep'})
+        assert len(values) == 1
+        assert values[0]['b'] == "bad"
+
+
+    def test_CreateOrExtend(self):
+        tabname = "test_CreateOrExtend"
+
+        self.tdb.CreateOrExtendTable(tabname, ['name', 'taste', 'filling', 'alcohol content', 'price'])
+        try:
+            self.tdb.Insert(tabname, {'taste': 'crap', 'filling': 'no', 'is it Guinness?': 'no'})
+            assert 0, "Insert should've failed due to bad column name"
+        except:
+            pass
+        self.tdb.CreateOrExtendTable(tabname, ['name', 'taste', 'is it Guinness?'])
+
+        # these should both succeed as the table should contain the union of both sets of columns.
+        self.tdb.Insert(tabname, {'taste': 'crap', 'filling': 'no', 'is it Guinness?': 'no'})
+        self.tdb.Insert(tabname, {'taste': 'great', 'filling': 'yes', 'is it Guinness?': 'yes', 'name': 'Guinness'})
+
+
+    def test_CondObjs(self):
+        tabname = "test_CondObjs"
+
+        self.tdb.CreateTable(tabname, ['a', 'b', 'c', 'd', 'e', 'p'])
+
+        self.tdb.Insert(tabname, {'a': "the letter A", 'b': "the letter B", 'c': "is for cookie"})
+        self.tdb.Insert(tabname, {'a': "is for aardvark", 'e': "the letter E", 'c': "is for cookie", 'd': "is for dog"})
+        self.tdb.Insert(tabname, {'a': "the letter A", 'e': "the letter E", 'c': "is for cookie", 'p': "is for Python"})
+
+        values = self.tdb.Select(tabname, ['p', 'e'], conditions={'e': dbtables.PrefixCond('the l')})
+        assert len(values) == 2, values
+        assert values[0]['e'] == values[1]['e'], values
+        assert values[0]['p'] != values[1]['p'], values
+
+        values = self.tdb.Select(tabname, ['d', 'a'], conditions={'a': dbtables.LikeCond('%aardvark%')})
+        assert len(values) == 1, values
+        assert values[0]['d'] == "is for dog", values
+        assert values[0]['a'] == "is for aardvark", values
+
+        values = self.tdb.Select(tabname, None, {'b': dbtables.Cond(), 'e':dbtables.LikeCond('%letter%'), 'a':dbtables.PrefixCond('is'), 'd':dbtables.ExactCond('is for dog'), 'c':dbtables.PrefixCond('is for'), 'p':lambda s: not s})
+        assert len(values) == 1, values
+        assert values[0]['d'] == "is for dog", values
+        assert values[0]['a'] == "is for aardvark", values
+    
+    def test_Delete(self):
+        tabname = "test_Delete"
+        self.tdb.CreateTable(tabname, ['x', 'y', 'z'])
+
+        # prior to 2001-05-09 there was a bug where Delete() would
+        # fail if it encountered any rows that did not have values in
+        # every column.
+        # Hunted and Squashed by <Donwulff> (Jukka Santala - donwulff@nic.fi)
+        self.tdb.Insert(tabname, {'x': 'X1', 'y':'Y1'})
+        self.tdb.Insert(tabname, {'x': 'X2', 'y':'Y2', 'z': 'Z2'})
+
+        self.tdb.Delete(tabname, conditions={'x': dbtables.PrefixCond('X')})
+        values = self.tdb.Select(tabname, ['y'], conditions={'x': dbtables.PrefixCond('X')})
+        assert len(values) == 0
+
+    def test_Modify(self):
+        tabname = "test_Modify"
+        self.tdb.CreateTable(tabname, ['Name', 'Type', 'Access'])
+
+        self.tdb.Insert(tabname, {'Name': 'Index to MP3 files.doc', 'Type': 'Word', 'Access': '8'})
+        self.tdb.Insert(tabname, {'Name': 'Nifty.MP3', 'Access': '1'})
+        self.tdb.Insert(tabname, {'Type': 'Unknown', 'Access': '0'})
+
+        def set_type(type):
+            if type == None:
+                return 'MP3'
+            return type
+
+        def increment_access(count):
+            return str(int(count)+1)
+
+        def remove_value(value):
+            return None
+
+        self.tdb.Modify(tabname, conditions={'Access': dbtables.ExactCond('0')}, mappings={'Access': remove_value})
+        self.tdb.Modify(tabname, conditions={'Name': dbtables.LikeCond('%MP3%')}, mappings={'Type': set_type})
+        self.tdb.Modify(tabname, conditions={'Name': dbtables.LikeCond('%')}, mappings={'Access': increment_access})
+
+        # Delete key in select conditions
+        values = self.tdb.Select(tabname, None, conditions={'Type': dbtables.ExactCond('Unknown')})
+        assert len(values) == 1, values
+        assert values[0]['Name'] == None, values
+        assert values[0]['Access'] == None, values
+
+        # Modify value by select conditions
+        values = self.tdb.Select(tabname, None, conditions={'Name': dbtables.ExactCond('Nifty.MP3')})
+        assert len(values) == 1, values
+        assert values[0]['Type'] == "MP3", values
+        assert values[0]['Access'] == "2", values
+
+        # Make sure change applied only to select conditions
+        values = self.tdb.Select(tabname, None, conditions={'Name': dbtables.LikeCond('%doc%')})
+        assert len(values) == 1, values
+        assert values[0]['Type'] == "Word", values
+        assert values[0]['Access'] == "9", values
+
+def suite():
+    theSuite = unittest.TestSuite()
+    theSuite.addTest(unittest.makeSuite(TableDBTestCase))
+    return theSuite
+
+
+if __name__ == '__main__':
+    unittest.main( defaultTest='suite' )