--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/test_db.py	Thu Jan 09 22:59:22 2003 +0000
@@ -0,0 +1,814 @@
+#
+# Copyright (c) 2001 Bizar Software Pty Ltd (http://www.bizarsoftware.com.au/)
+# This module is free software, and you may redistribute it and/or modify
+# under the same terms as Python, so long as this copyright message and
+# disclaimer are retained in their original form.
+#
+# IN NO EVENT SHALL BIZAR SOFTWARE PTY LTD BE LIABLE TO ANY PARTY FOR
+# DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING
+# OUT OF THE USE OF THIS CODE, EVEN IF THE AUTHOR HAS BEEN ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+# BIZAR SOFTWARE PTY LTD SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+# BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+# FOR A PARTICULAR PURPOSE.  THE CODE PROVIDED HEREUNDER IS ON AN "AS IS"
+# BASIS, AND THERE IS NO OBLIGATION WHATSOEVER TO PROVIDE MAINTENANCE,
+# SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+# 
+# $Id: test_db.py,v 1.63 2002-12-12 09:31:04 richard Exp $ 
+
+import unittest, os, shutil, time
+
+from roundup.hyperdb import String, Password, Link, Multilink, Date, \
+    Interval, DatabaseError, Boolean, Number
+from roundup import date, password
+from roundup.indexer import Indexer
+
+def setupSchema(db, create, module):
+    status = module.Class(db, "status", name=String())
+    status.setkey("name")
+    user = module.Class(db, "user", username=String(), password=Password(),
+        assignable=Boolean(), age=Number(), roles=String())
+    user.setkey("username")
+    file = module.FileClass(db, "file", name=String(), type=String(),
+        comment=String(indexme="yes"), fooz=Password())
+    issue = module.IssueClass(db, "issue", title=String(indexme="yes"),
+        status=Link("status"), nosy=Multilink("user"), deadline=Date(),
+        foo=Interval(), files=Multilink("file"), assignedto=Link('user'))
+    session = module.Class(db, 'session', title=String())
+    session.disableJournalling()
+    db.post_init()
+    if create:
+        user.create(username="admin", roles='Admin')
+        status.create(name="unread")
+        status.create(name="in-progress")
+        status.create(name="testing")
+        status.create(name="resolved")
+    db.commit()
+
+class MyTestCase(unittest.TestCase):
+    def tearDown(self):
+        self.db.close()
+        if os.path.exists('_test_dir'):
+            shutil.rmtree('_test_dir')
+
+class config:
+    DATABASE='_test_dir'
+    MAILHOST = 'localhost'
+    MAIL_DOMAIN = 'fill.me.in.'
+    TRACKER_NAME = 'Roundup issue tracker'
+    TRACKER_EMAIL = 'issue_tracker@%s'%MAIL_DOMAIN
+    TRACKER_WEB = 'http://some.useful.url/'
+    ADMIN_EMAIL = 'roundup-admin@%s'%MAIL_DOMAIN
+    FILTER_POSITION = 'bottom'      # one of 'top', 'bottom', 'top and bottom'
+    ANONYMOUS_ACCESS = 'deny'       # either 'deny' or 'allow'
+    ANONYMOUS_REGISTER = 'deny'     # either 'deny' or 'allow'
+    MESSAGES_TO_AUTHOR = 'no'       # either 'yes' or 'no'
+    EMAIL_SIGNATURE_POSITION = 'bottom'
+
+class anydbmDBTestCase(MyTestCase):
+    def setUp(self):
+        from roundup.backends import anydbm
+        # remove previous test, ignore errors
+        if os.path.exists(config.DATABASE):
+            shutil.rmtree(config.DATABASE)
+        os.makedirs(config.DATABASE + '/files')
+        self.db = anydbm.Database(config, 'admin')
+        setupSchema(self.db, 1, anydbm)
+
+    def testIDGeneration(self):
+        id1 = self.db.issue.create(title="spam", status='1')
+        id2 = self.db.issue.create(title="eggs", status='2')
+        self.assertNotEqual(id1, id2)
+
+    def testStringChange(self):
+        for commit in (0,1):
+            # test set & retrieve
+            nid = self.db.issue.create(title="spam", status='1')
+            self.assertEqual(self.db.issue.get(nid, 'title'), 'spam')
+
+            # change and make sure we retrieve the correct value
+            self.db.issue.set(nid, title='eggs')
+            if commit: self.db.commit()
+            self.assertEqual(self.db.issue.get(nid, 'title'), 'eggs')
+
+    def testStringUnset(self):
+        for commit in (0,1):
+            nid = self.db.issue.create(title="spam", status='1')
+            if commit: self.db.commit()
+            self.assertEqual(self.db.issue.get(nid, 'title'), 'spam')
+            # make sure we can unset
+            self.db.issue.set(nid, title=None)
+            if commit: self.db.commit()
+            self.assertEqual(self.db.issue.get(nid, "title"), None)
+
+    def testLinkChange(self):
+        for commit in (0,1):
+            nid = self.db.issue.create(title="spam", status='1')
+            if commit: self.db.commit()
+            self.assertEqual(self.db.issue.get(nid, "status"), '1')
+            self.db.issue.set(nid, status='2')
+            if commit: self.db.commit()
+            self.assertEqual(self.db.issue.get(nid, "status"), '2')
+
+    def testLinkUnset(self):
+        for commit in (0,1):
+            nid = self.db.issue.create(title="spam", status='1')
+            if commit: self.db.commit()
+            self.db.issue.set(nid, status=None)
+            if commit: self.db.commit()
+            self.assertEqual(self.db.issue.get(nid, "status"), None)
+
+    def testMultilinkChange(self):
+        for commit in (0,1):
+            u1 = self.db.user.create(username='foo%s'%commit)
+            u2 = self.db.user.create(username='bar%s'%commit)
+            nid = self.db.issue.create(title="spam", nosy=[u1])
+            if commit: self.db.commit()
+            self.assertEqual(self.db.issue.get(nid, "nosy"), [u1])
+            self.db.issue.set(nid, nosy=[])
+            if commit: self.db.commit()
+            self.assertEqual(self.db.issue.get(nid, "nosy"), [])
+            self.db.issue.set(nid, nosy=[u1,u2])
+            if commit: self.db.commit()
+            self.assertEqual(self.db.issue.get(nid, "nosy"), [u1,u2])
+
+    def testDateChange(self):
+        for commit in (0,1):
+            nid = self.db.issue.create(title="spam", status='1')
+            a = self.db.issue.get(nid, "deadline")
+            if commit: self.db.commit()
+            self.db.issue.set(nid, deadline=date.Date())
+            b = self.db.issue.get(nid, "deadline")
+            if commit: self.db.commit()
+            self.assertNotEqual(a, b)
+            self.assertNotEqual(b, date.Date('1970-1-1 00:00:00'))
+
+    def testDateUnset(self):
+        for commit in (0,1):
+            nid = self.db.issue.create(title="spam", status='1')
+            self.db.issue.set(nid, deadline=date.Date())
+            if commit: self.db.commit()
+            self.assertNotEqual(self.db.issue.get(nid, "deadline"), None)
+            self.db.issue.set(nid, deadline=None)
+            if commit: self.db.commit()
+            self.assertEqual(self.db.issue.get(nid, "deadline"), None)
+
+    def testIntervalChange(self):
+        for commit in (0,1):
+            nid = self.db.issue.create(title="spam", status='1')
+            if commit: self.db.commit()
+            a = self.db.issue.get(nid, "foo")
+            i = date.Interval('-1d')
+            self.db.issue.set(nid, foo=i)
+            if commit: self.db.commit()
+            self.assertNotEqual(self.db.issue.get(nid, "foo"), a)
+            self.assertEqual(i, self.db.issue.get(nid, "foo"))
+            j = date.Interval('1y')
+            self.db.issue.set(nid, foo=j)
+            if commit: self.db.commit()
+            self.assertNotEqual(self.db.issue.get(nid, "foo"), i)
+            self.assertEqual(j, self.db.issue.get(nid, "foo"))
+
+    def testIntervalUnset(self):
+        for commit in (0,1):
+            nid = self.db.issue.create(title="spam", status='1')
+            self.db.issue.set(nid, foo=date.Interval('-1d'))
+            if commit: self.db.commit()
+            self.assertNotEqual(self.db.issue.get(nid, "foo"), None)
+            self.db.issue.set(nid, foo=None)
+            if commit: self.db.commit()
+            self.assertEqual(self.db.issue.get(nid, "foo"), None)
+
+    def testBooleanChange(self):
+        userid = self.db.user.create(username='foo', assignable=1)
+        self.assertEqual(1, self.db.user.get(userid, 'assignable'))
+        self.db.user.set(userid, assignable=0)
+        self.assertEqual(self.db.user.get(userid, 'assignable'), 0)
+        self.db.user.set(userid, assignable=None)
+        self.assertEqual(self.db.user.get('1', "assignable"), None)
+
+    def testNumberChange(self):
+        nid = self.db.user.create(username='foo', age=1)
+        self.assertEqual(1, self.db.user.get(nid, 'age'))
+        self.db.user.set('1', age=3)
+        self.assertNotEqual(self.db.user.get('1', 'age'), 1)
+        self.db.user.set('1', age=1.0)
+        self.db.user.set('1', age=None)
+        self.assertEqual(self.db.user.get('1', "age"), None)
+
+    def testKeyValue(self):
+        newid = self.db.user.create(username="spam")
+        self.assertEqual(self.db.user.lookup('spam'), newid)
+        self.db.commit()
+        self.assertEqual(self.db.user.lookup('spam'), newid)
+        self.db.user.retire(newid)
+        self.assertRaises(KeyError, self.db.user.lookup, 'spam')
+
+    def testNewProperty(self):
+        self.db.issue.create(title="spam", status='1')
+        self.db.issue.addprop(fixer=Link("user"))
+        # force any post-init stuff to happen
+        self.db.post_init()
+        props = self.db.issue.getprops()
+        keys = props.keys()
+        keys.sort()
+        self.assertEqual(keys, ['activity', 'assignedto', 'creation',
+            'creator', 'deadline', 'files', 'fixer', 'foo', 'id', 'messages',
+            'nosy', 'status', 'superseder', 'title'])
+        self.assertEqual(self.db.issue.get('1', "fixer"), None)
+
+    def testRetire(self):
+        self.db.issue.create(title="spam", status='1')
+        b = self.db.status.get('1', 'name')
+        a = self.db.status.list()
+        self.db.status.retire('1')
+        # make sure the list is different 
+        self.assertNotEqual(a, self.db.status.list())
+        # can still access the node if necessary
+        self.assertEqual(self.db.status.get('1', 'name'), b)
+        self.db.commit()
+        self.assertEqual(self.db.status.get('1', 'name'), b)
+        self.assertNotEqual(a, self.db.status.list())
+
+    def testSerialisation(self):
+        nid = self.db.issue.create(title="spam", status='1',
+            deadline=date.Date(), foo=date.Interval('-1d'))
+        self.db.commit()
+        assert isinstance(self.db.issue.get(nid, 'deadline'), date.Date)
+        assert isinstance(self.db.issue.get(nid, 'foo'), date.Interval)
+        uid = self.db.user.create(username="fozzy",
+            password=password.Password('t. bear'))
+        self.db.commit()
+        assert isinstance(self.db.user.get(uid, 'password'), password.Password)
+
+    def testTransactions(self):
+        # remember the number of items we started
+        num_issues = len(self.db.issue.list())
+        num_files = self.db.numfiles()
+        self.db.issue.create(title="don't commit me!", status='1')
+        self.assertNotEqual(num_issues, len(self.db.issue.list()))
+        self.db.rollback()
+        self.assertEqual(num_issues, len(self.db.issue.list()))
+        self.db.issue.create(title="please commit me!", status='1')
+        self.assertNotEqual(num_issues, len(self.db.issue.list()))
+        self.db.commit()
+        self.assertNotEqual(num_issues, len(self.db.issue.list()))
+        self.db.rollback()
+        self.assertNotEqual(num_issues, len(self.db.issue.list()))
+        self.db.file.create(name="test", type="text/plain", content="hi")
+        self.db.rollback()
+        self.assertEqual(num_files, self.db.numfiles())
+        for i in range(10):
+            self.db.file.create(name="test", type="text/plain", 
+                    content="hi %d"%(i))
+            self.db.commit()
+        num_files2 = self.db.numfiles()
+        self.assertNotEqual(num_files, num_files2)
+        self.db.file.create(name="test", type="text/plain", content="hi")
+        self.db.rollback()
+        self.assertNotEqual(num_files, self.db.numfiles())
+        self.assertEqual(num_files2, self.db.numfiles())
+
+    def testDestroyNoJournalling(self):
+        self.innerTestDestroy(klass=self.db.session)
+
+    def testDestroyJournalling(self):
+        self.innerTestDestroy(klass=self.db.issue)
+
+    def innerTestDestroy(self, klass):
+        newid = klass.create(title='Mr Friendly')
+        n = len(klass.list())
+        self.assertEqual(klass.get(newid, 'title'), 'Mr Friendly')
+        klass.destroy(newid)
+        self.assertRaises(IndexError, klass.get, newid, 'title')
+        self.assertNotEqual(len(klass.list()), n)
+        if klass.do_journal:
+            self.assertRaises(IndexError, klass.history, newid)
+
+        # now with a commit
+        newid = klass.create(title='Mr Friendly')
+        n = len(klass.list())
+        self.assertEqual(klass.get(newid, 'title'), 'Mr Friendly')
+        self.db.commit()
+        klass.destroy(newid)
+        self.assertRaises(IndexError, klass.get, newid, 'title')
+        self.db.commit()
+        self.assertRaises(IndexError, klass.get, newid, 'title')
+        self.assertNotEqual(len(klass.list()), n)
+        if klass.do_journal:
+            self.assertRaises(IndexError, klass.history, newid)
+
+        # now with a rollback
+        newid = klass.create(title='Mr Friendly')
+        n = len(klass.list())
+        self.assertEqual(klass.get(newid, 'title'), 'Mr Friendly')
+        self.db.commit()
+        klass.destroy(newid)
+        self.assertNotEqual(len(klass.list()), n)
+        self.assertRaises(IndexError, klass.get, newid, 'title')
+        self.db.rollback()
+        self.assertEqual(klass.get(newid, 'title'), 'Mr Friendly')
+        self.assertEqual(len(klass.list()), n)
+        if klass.do_journal:
+            self.assertNotEqual(klass.history(newid), [])
+
+    def testExceptions(self):
+        # this tests the exceptions that should be raised
+        ar = self.assertRaises
+
+        #
+        # class create
+        #
+        # string property
+        ar(TypeError, self.db.status.create, name=1)
+        # invalid property name
+        ar(KeyError, self.db.status.create, foo='foo')
+        # key name clash
+        ar(ValueError, self.db.status.create, name='unread')
+        # invalid link index
+        ar(IndexError, self.db.issue.create, title='foo', status='bar')
+        # invalid link value
+        ar(ValueError, self.db.issue.create, title='foo', status=1)
+        # invalid multilink type
+        ar(TypeError, self.db.issue.create, title='foo', status='1',
+            nosy='hello')
+        # invalid multilink index type
+        ar(ValueError, self.db.issue.create, title='foo', status='1',
+            nosy=[1])
+        # invalid multilink index
+        ar(IndexError, self.db.issue.create, title='foo', status='1',
+            nosy=['10'])
+
+        #
+        # key property
+        # 
+        # key must be a String
+        ar(TypeError, self.db.file.setkey, 'fooz')
+        # key must exist
+        ar(KeyError, self.db.file.setkey, 'fubar')
+
+        #
+        # class get
+        #
+        # invalid node id
+        ar(IndexError, self.db.issue.get, '99', 'title')
+        # invalid property name
+        ar(KeyError, self.db.status.get, '2', 'foo')
+
+        #
+        # class set
+        #
+        # invalid node id
+        ar(IndexError, self.db.issue.set, '99', title='foo')
+        # invalid property name
+        ar(KeyError, self.db.status.set, '1', foo='foo')
+        # string property
+        ar(TypeError, self.db.status.set, '1', name=1)
+        # key name clash
+        ar(ValueError, self.db.status.set, '2', name='unread')
+        # set up a valid issue for me to work on
+        id = self.db.issue.create(title="spam", status='1')
+        # invalid link index
+        ar(IndexError, self.db.issue.set, id, title='foo', status='bar')
+        # invalid link value
+        ar(ValueError, self.db.issue.set, id, title='foo', status=1)
+        # invalid multilink type
+        ar(TypeError, self.db.issue.set, id, title='foo', status='1',
+            nosy='hello')
+        # invalid multilink index type
+        ar(ValueError, self.db.issue.set, id, title='foo', status='1',
+            nosy=[1])
+        # invalid multilink index
+        ar(IndexError, self.db.issue.set, id, title='foo', status='1',
+            nosy=['10'])
+        # invalid number value
+        ar(TypeError, self.db.user.create, username='foo', age='a')
+        # invalid boolean value
+        ar(TypeError, self.db.user.create, username='foo', assignable='true')
+        nid = self.db.user.create(username='foo')
+        # invalid number value
+        ar(TypeError, self.db.user.set, nid, username='foo', age='a')
+        # invalid boolean value
+        ar(TypeError, self.db.user.set, nid, username='foo', assignable='true')
+
+    def testJournals(self):
+        self.db.user.create(username="mary")
+        self.db.user.create(username="pete")
+        self.db.issue.create(title="spam", status='1')
+        self.db.commit()
+
+        # journal entry for issue create
+        journal = self.db.getjournal('issue', '1')
+        self.assertEqual(1, len(journal))
+        (nodeid, date_stamp, journaltag, action, params) = journal[0]
+        self.assertEqual(nodeid, '1')
+        self.assertEqual(journaltag, self.db.user.lookup('admin'))
+        self.assertEqual(action, 'create')
+        keys = params.keys()
+        keys.sort()
+        self.assertEqual(keys, [])
+
+        # journal entry for link
+        journal = self.db.getjournal('user', '1')
+        self.assertEqual(1, len(journal))
+        self.db.issue.set('1', assignedto='1')
+        self.db.commit()
+        journal = self.db.getjournal('user', '1')
+        self.assertEqual(2, len(journal))
+        (nodeid, date_stamp, journaltag, action, params) = journal[1]
+        self.assertEqual('1', nodeid)
+        self.assertEqual('1', journaltag)
+        self.assertEqual('link', action)
+        self.assertEqual(('issue', '1', 'assignedto'), params)
+
+        # journal entry for unlink
+        self.db.issue.set('1', assignedto='2')
+        self.db.commit()
+        journal = self.db.getjournal('user', '1')
+        self.assertEqual(3, len(journal))
+        (nodeid, date_stamp, journaltag, action, params) = journal[2]
+        self.assertEqual('1', nodeid)
+        self.assertEqual('1', journaltag)
+        self.assertEqual('unlink', action)
+        self.assertEqual(('issue', '1', 'assignedto'), params)
+
+        # test disabling journalling
+        # ... get the last entry
+        time.sleep(1)
+        entry = self.db.getjournal('issue', '1')[-1]
+        (x, date_stamp, x, x, x) = entry
+        self.db.issue.disableJournalling()
+        self.db.issue.set('1', title='hello world')
+        self.db.commit()
+        entry = self.db.getjournal('issue', '1')[-1]
+        (x, date_stamp2, x, x, x) = entry
+        # see if the change was journalled when it shouldn't have been
+        self.assertEqual(date_stamp, date_stamp2)
+        time.sleep(1)
+        self.db.issue.enableJournalling()
+        self.db.issue.set('1', title='hello world 2')
+        self.db.commit()
+        entry = self.db.getjournal('issue', '1')[-1]
+        (x, date_stamp2, x, x, x) = entry
+        # see if the change was journalled
+        self.assertNotEqual(date_stamp, date_stamp2)
+
+    def testPack(self):
+        id = self.db.issue.create(title="spam", status='1')
+        self.db.commit()
+        self.db.issue.set(id, status='2')
+        self.db.commit()
+
+        # sleep for at least a second, then get a date to pack at
+        time.sleep(1)
+        pack_before = date.Date('.')
+
+        # wait another second and add one more entry
+        time.sleep(1)
+        self.db.issue.set(id, status='3')
+        self.db.commit()
+        jlen = len(self.db.getjournal('issue', id))
+
+        # pack
+        self.db.pack(pack_before)
+
+        # we should have the create and last set entries now
+        self.assertEqual(jlen-1, len(self.db.getjournal('issue', id)))
+
+    def testSearching(self):
+        self.db.file.create(content='hello', type="text/plain")
+        self.db.file.create(content='world', type="text/frozz",
+            comment='blah blah')
+        self.db.issue.create(files=['1', '2'], title="flebble plop")
+        self.db.issue.create(title="flebble frooz")
+        self.db.commit()
+        self.assertEquals(self.db.indexer.search(['hello'], self.db.issue),
+            {'1': {'files': ['1']}})
+        self.assertEquals(self.db.indexer.search(['world'], self.db.issue), {})
+        self.assertEquals(self.db.indexer.search(['frooz'], self.db.issue),
+            {'2': {}})
+        self.assertEquals(self.db.indexer.search(['flebble'], self.db.issue),
+            {'2': {}, '1': {}})
+
+    def testReindexing(self):
+        self.db.issue.create(title="frooz")
+        self.db.commit()
+        self.assertEquals(self.db.indexer.search(['frooz'], self.db.issue),
+            {'1': {}})
+        self.db.issue.set('1', title="dooble")
+        self.db.commit()
+        self.assertEquals(self.db.indexer.search(['dooble'], self.db.issue),
+            {'1': {}})
+        self.assertEquals(self.db.indexer.search(['frooz'], self.db.issue), {})
+
+    def testForcedReindexing(self):
+        self.db.issue.create(title="flebble frooz")
+        self.db.commit()
+        self.assertEquals(self.db.indexer.search(['flebble'], self.db.issue),
+            {'1': {}})
+        self.db.indexer.quiet = 1
+        self.db.indexer.force_reindex()
+        self.db.post_init()
+        self.db.indexer.quiet = 9
+        self.assertEquals(self.db.indexer.search(['flebble'], self.db.issue),
+            {'1': {}})
+
+    #
+    # searching tests follow
+    #
+    def testFind(self):
+        self.db.user.create(username='test')
+        ids = []
+        ids.append(self.db.issue.create(status="1", nosy=['1']))
+        oddid = self.db.issue.create(status="2", nosy=['2'])
+        ids.append(self.db.issue.create(status="1", nosy=['1','2']))
+        self.db.issue.create(status="3", nosy=['1'])
+        ids.sort()
+
+        # should match first and third
+        got = self.db.issue.find(status='1')
+        got.sort()
+        self.assertEqual(got, ids)
+
+        # none
+        self.assertEqual(self.db.issue.find(status='4'), [])
+
+        # should match first three
+        got = self.db.issue.find(status='1', nosy='2')
+        got.sort()
+        ids.append(oddid)
+        ids.sort()
+        self.assertEqual(got, ids)
+
+        # none
+        self.assertEqual(self.db.issue.find(status='4', nosy='3'), [])
+
+    def testStringFind(self):
+        ids = []
+        ids.append(self.db.issue.create(title="spam"))
+        self.db.issue.create(title="not spam")
+        ids.append(self.db.issue.create(title="spam"))
+        ids.sort()
+        got = self.db.issue.stringFind(title='spam')
+        got.sort()
+        self.assertEqual(got, ids)
+        self.assertEqual(self.db.issue.stringFind(title='fubar'), [])
+
+    def filteringSetup(self):
+        for user in (
+                {'username': 'bleep'},
+                {'username': 'blop'},
+                {'username': 'blorp'}):
+            self.db.user.create(**user)
+        iss = self.db.issue
+        for issue in (
+                {'title': 'issue one', 'status': '2'},
+                {'title': 'issue two', 'status': '1'},
+                {'title': 'issue three', 'status': '1', 'nosy': ['1','2']}):
+            self.db.issue.create(**issue)
+        self.db.commit()
+        return self.assertEqual, self.db.issue.filter
+
+    def testFilteringString(self):
+        ae, filt = self.filteringSetup()
+        ae(filt(None, {'title': 'issue one'}, ('+','id'), (None,None)), ['1'])
+        ae(filt(None, {'title': 'issue'}, ('+','id'), (None,None)),
+            ['1','2','3'])
+
+    def testFilteringLink(self):
+        ae, filt = self.filteringSetup()
+        ae(filt(None, {'status': '1'}, ('+','id'), (None,None)), ['2','3'])
+
+    def testFilteringMultilink(self):
+        ae, filt = self.filteringSetup()
+        ae(filt(None, {'nosy': '2'}, ('+','id'), (None,None)), ['3'])
+
+    def testFilteringMany(self):
+        ae, filt = self.filteringSetup()
+        ae(filt(None, {'nosy': '2', 'status': '1'}, ('+','id'), (None,None)),
+            ['3'])
+
+class anydbmReadOnlyDBTestCase(MyTestCase):
+    def setUp(self):
+        from roundup.backends import anydbm
+        # remove previous test, ignore errors
+        if os.path.exists(config.DATABASE):
+            shutil.rmtree(config.DATABASE)
+        os.makedirs(config.DATABASE + '/files')
+        db = anydbm.Database(config, 'admin')
+        setupSchema(db, 1, anydbm)
+        db.close()
+        self.db = anydbm.Database(config)
+        setupSchema(self.db, 0, anydbm)
+
+    def testExceptions(self):
+        # this tests the exceptions that should be raised
+        ar = self.assertRaises
+
+        # this tests the exceptions that should be raised
+        ar(DatabaseError, self.db.status.create, name="foo")
+        ar(DatabaseError, self.db.status.set, '1', name="foo")
+        ar(DatabaseError, self.db.status.retire, '1')
+
+
+class bsddbDBTestCase(anydbmDBTestCase):
+    def setUp(self):
+        from roundup.backends import bsddb
+        # remove previous test, ignore errors
+        if os.path.exists(config.DATABASE):
+            shutil.rmtree(config.DATABASE)
+        os.makedirs(config.DATABASE + '/files')
+        self.db = bsddb.Database(config, 'admin')
+        setupSchema(self.db, 1, bsddb)
+
+class bsddbReadOnlyDBTestCase(anydbmReadOnlyDBTestCase):
+    def setUp(self):
+        from roundup.backends import bsddb
+        # remove previous test, ignore errors
+        if os.path.exists(config.DATABASE):
+            shutil.rmtree(config.DATABASE)
+        os.makedirs(config.DATABASE + '/files')
+        db = bsddb.Database(config, 'admin')
+        setupSchema(db, 1, bsddb)
+        db.close()
+        self.db = bsddb.Database(config)
+        setupSchema(self.db, 0, bsddb)
+
+
+class bsddb3DBTestCase(anydbmDBTestCase):
+    def setUp(self):
+        from roundup.backends import bsddb3
+        # remove previous test, ignore errors
+        if os.path.exists(config.DATABASE):
+            shutil.rmtree(config.DATABASE)
+        os.makedirs(config.DATABASE + '/files')
+        self.db = bsddb3.Database(config, 'admin')
+        setupSchema(self.db, 1, bsddb3)
+
+class bsddb3ReadOnlyDBTestCase(anydbmReadOnlyDBTestCase):
+    def setUp(self):
+        from roundup.backends import bsddb3
+        # remove previous test, ignore errors
+        if os.path.exists(config.DATABASE):
+            shutil.rmtree(config.DATABASE)
+        os.makedirs(config.DATABASE + '/files')
+        db = bsddb3.Database(config, 'admin')
+        setupSchema(db, 1, bsddb3)
+        db.close()
+        self.db = bsddb3.Database(config)
+        setupSchema(self.db, 0, bsddb3)
+
+
+class gadflyDBTestCase(anydbmDBTestCase):
+    ''' Gadfly doesn't support multiple connections to the one local
+        database
+    '''
+    def setUp(self):
+        from roundup.backends import gadfly
+        # remove previous test, ignore errors
+        if os.path.exists(config.DATABASE):
+            shutil.rmtree(config.DATABASE)
+        config.GADFLY_DATABASE = ('test', config.DATABASE)
+        os.makedirs(config.DATABASE + '/files')
+        self.db = gadfly.Database(config, 'admin')
+        setupSchema(self.db, 1, gadfly)
+
+    def testFilteringString(self):
+        ae, filt = self.filteringSetup()
+        ae(filt(None, {'title': 'issue one'}, ('+','id'), (None,None)), ['1'])
+        # XXX gadfly can't do substring LIKE searches
+        #ae(filt(None, {'title': 'issue'}, ('+','id'), (None,None)),
+        #    ['1','2','3'])
+
+class gadflyReadOnlyDBTestCase(anydbmReadOnlyDBTestCase):
+    def setUp(self):
+        from roundup.backends import gadfly
+        # remove previous test, ignore errors
+        if os.path.exists(config.DATABASE):
+            shutil.rmtree(config.DATABASE)
+        config.GADFLY_DATABASE = ('test', config.DATABASE)
+        os.makedirs(config.DATABASE + '/files')
+        db = gadfly.Database(config, 'admin')
+        setupSchema(db, 1, gadfly)
+        db.close()
+        self.db = gadfly.Database(config)
+        setupSchema(self.db, 0, gadfly)
+
+
+class sqliteDBTestCase(anydbmDBTestCase):
+    def setUp(self):
+        from roundup.backends import sqlite
+        # remove previous test, ignore errors
+        if os.path.exists(config.DATABASE):
+            shutil.rmtree(config.DATABASE)
+        os.makedirs(config.DATABASE + '/files')
+        self.db = sqlite.Database(config, 'admin')
+        setupSchema(self.db, 1, sqlite)
+
+    def testIDGeneration(self):
+        pass
+
+class sqliteReadOnlyDBTestCase(anydbmReadOnlyDBTestCase):
+    def setUp(self):
+        from roundup.backends import sqlite
+        # remove previous test, ignore errors
+        if os.path.exists(config.DATABASE):
+            shutil.rmtree(config.DATABASE)
+        os.makedirs(config.DATABASE + '/files')
+        db = sqlite.Database(config, 'admin')
+        setupSchema(db, 1, sqlite)
+        db.close()
+        self.db = sqlite.Database(config)
+        setupSchema(self.db, 0, sqlite)
+
+
+class metakitDBTestCase(anydbmDBTestCase):
+    def setUp(self):
+        from roundup.backends import metakit
+        import weakref
+        metakit._instances = weakref.WeakValueDictionary()
+        # remove previous test, ignore errors
+        if os.path.exists(config.DATABASE):
+            shutil.rmtree(config.DATABASE)
+        os.makedirs(config.DATABASE + '/files')
+        self.db = metakit.Database(config, 'admin')
+        setupSchema(self.db, 1, metakit)
+
+    def testTransactions(self):
+        # remember the number of items we started
+        num_issues = len(self.db.issue.list())
+        self.db.issue.create(title="don't commit me!", status='1')
+        self.assertNotEqual(num_issues, len(self.db.issue.list()))
+        self.db.rollback()
+        self.assertEqual(num_issues, len(self.db.issue.list()))
+        self.db.issue.create(title="please commit me!", status='1')
+        self.assertNotEqual(num_issues, len(self.db.issue.list()))
+        self.db.commit()
+        self.assertNotEqual(num_issues, len(self.db.issue.list()))
+        self.db.rollback()
+        self.assertNotEqual(num_issues, len(self.db.issue.list()))
+        self.db.file.create(name="test", type="text/plain", content="hi")
+        self.db.rollback()
+        num_files = len(self.db.file.list())
+        for i in range(10):
+            self.db.file.create(name="test", type="text/plain", 
+                    content="hi %d"%(i))
+            self.db.commit()
+        # TODO: would be good to be able to ensure the file is not on disk after
+        # a rollback...
+        num_files2 = len(self.db.file.list())
+        self.assertNotEqual(num_files, num_files2)
+        self.db.file.create(name="test", type="text/plain", content="hi")
+        num_rfiles = len(os.listdir(self.db.config.DATABASE + '/files/file/0'))
+        self.db.rollback()
+        num_rfiles2 = len(os.listdir(self.db.config.DATABASE + '/files/file/0'))
+        self.assertEqual(num_files2, len(self.db.file.list()))
+        self.assertEqual(num_rfiles2, num_rfiles-1)
+
+class metakitReadOnlyDBTestCase(anydbmReadOnlyDBTestCase):
+    def setUp(self):
+        from roundup.backends import metakit
+        import weakref
+        metakit._instances = weakref.WeakValueDictionary()
+        # remove previous test, ignore errors
+        if os.path.exists(config.DATABASE):
+            shutil.rmtree(config.DATABASE)
+        os.makedirs(config.DATABASE + '/files')
+        db = metakit.Database(config, 'admin')
+        setupSchema(db, 1, metakit)
+        db.close()
+        self.db = metakit.Database(config)
+        setupSchema(self.db, 0, metakit)
+
+def suite():
+    l = [
+         unittest.makeSuite(anydbmDBTestCase, 'test'),
+         unittest.makeSuite(anydbmReadOnlyDBTestCase, 'test')
+    ]
+#    return unittest.TestSuite(l)
+
+    from roundup import backends
+    if hasattr(backends, 'gadfly'):
+        l.append(unittest.makeSuite(gadflyDBTestCase, 'test'))
+        l.append(unittest.makeSuite(gadflyReadOnlyDBTestCase, 'test'))
+
+    if hasattr(backends, 'sqlite'):
+        l.append(unittest.makeSuite(sqliteDBTestCase, 'test'))
+        l.append(unittest.makeSuite(sqliteReadOnlyDBTestCase, 'test'))
+
+    if hasattr(backends, 'bsddb'):
+        l.append(unittest.makeSuite(bsddbDBTestCase, 'test'))
+        l.append(unittest.makeSuite(bsddbReadOnlyDBTestCase, 'test'))
+
+    if hasattr(backends, 'bsddb3'):
+        l.append(unittest.makeSuite(bsddb3DBTestCase, 'test'))
+        l.append(unittest.makeSuite(bsddb3ReadOnlyDBTestCase, 'test'))
+
+    if hasattr(backends, 'metakit'):
+        l.append(unittest.makeSuite(metakitDBTestCase, 'test'))
+        l.append(unittest.makeSuite(metakitReadOnlyDBTestCase, 'test'))
+
+    return unittest.TestSuite(l)
+
+# vim: set filetype=python ts=4 sw=4 et si