コード例 #1
0
def to_sql(env, table):
    """ Convenience function to get the to_sql for the active connector."""
    from trac.db.api import DatabaseManager
    dm = DatabaseManager(env)
    if hasattr(dm, 'get_connector'):  # Trac ~+1.3.2
        dc = dm.get_connector()[0]
    else:
        dc = dm._get_connector()[0]
    return dc.to_sql(table)
コード例 #2
0
    def upgrade_environment(self, db=None):
        """Each schema version should have its own upgrade module, named
        upgrades/dbN.py, where 'N' is the version number (int).
        """
        db_mgr = DatabaseManager(self.env)
        schema_ver = self.get_schema_version()

        with self.env.db_transaction as db:
            # Is this a new installation?
            if not schema_ver:
                # Perform a single-step install: Create plugin schema and
                # insert default data into the database.
                connector = db_mgr.get_connector()[0]
                for table in db_default.schema:
                    for stmt in connector.to_sql(table):
                        db(stmt)
                for table, cols, vals in db_default.get_data(db):
                    db.executemany(
                        "INSERT INTO %s (%s) VALUES (%s)" %
                        (table, ','.join(cols), ','.join(['%s'] * len(cols))),
                        vals)
            else:
                # Perform incremental upgrades.
                for i in range(schema_ver + 1, db_default.schema_version + 1):
                    name = 'db%i' % i
                    try:
                        upgrades = __import__('tractags.upgrades', globals(),
                                              locals(), [name])
                        script = getattr(upgrades, name)
                    except AttributeError:
                        raise TracError(
                            _(
                                "No upgrade module for version "
                                "%(num)i (%(version)s.py)",
                                num=i,
                                version=name))
                    cursor = db.cursor()
                    script.do_upgrade(self.env, i, cursor)
            db(
                """UPDATE `system` SET value=%s
                  WHERE name='tags_version'
                  """, (db_default.schema_version, ))
            self.log.info("Upgraded TracTags db schema from version %d to %d",
                          schema_ver, db_default.schema_version)

            TicketTagProvider(self.env)._fetch_tkt_tags()
            self.log.info("Synchronized ticket attributes to tags table")
コード例 #3
0
ファイル: api.py プロジェクト: aroth-arsoft/trac-announcer
class AnnouncementSystemSetupTestCase(unittest.TestCase):
    def setUp(self):
        self.env = EnvironmentStub(enable=['trac.*'])
        self.env.path = tempfile.mkdtemp()
        self.db_mgr = DatabaseManager(self.env)
        self.an_sys = AnnouncementSystem(self.env)

    def tearDown(self):
        self.env.shutdown()
        shutil.rmtree(self.env.path)

    # Helpers

    def _schema_init(self, schema=None):
        # Current announcer schema is setup with enabled component anyway.
        #   Revert these changes for clean install testing.
        with self.env.db_transaction as db:
            db("DROP TABLE IF EXISTS subscriptions")
            db("DROP TABLE IF EXISTS subscription")
            db("DROP TABLE IF EXISTS subscription_attribute")
            db("DELETE FROM system WHERE name='announcer_version'")

            if schema:
                connector = self.db_mgr.get_connector()[0]
                for table in schema:
                    for stmt in connector.to_sql(table):
                        db(stmt)

    def _verify_curr_schema(self):
        self.assertFalse(self.an_sys.environment_needs_upgrade())
        with self.env.db_query as db:
            cursor = db.cursor()
            cursor.execute("SELECT * FROM subscription_attribute")
            columns = [col[0] for col in cursor.cursor.description]
        self.assertTrue('name' not in columns)
        self.assertTrue('value' not in columns)
        self.assertEquals(
            ['id', 'sid', 'authenticated', 'class', 'realm', 'target'],
            columns
        )
        with self.env.db_query as db:
            cursor = db.cursor()
            cursor.execute("""
                SELECT value
                  FROM system
                 WHERE name='announcer_version'
            """)
            version = int(cursor.fetchone()[0])
        self.assertEquals(db_default.schema_version, version)

    def _verify_version_unregistered(self):
        with self.env.db_query as db:
            cursor = db.cursor()
            cursor.execute("""
                SELECT value
                  FROM system
                 WHERE name='announcer_version'
            """)
            self.assertFalse(cursor.fetchone())

    def test_new_install(self):
        # Just do db table clean-up.
        self._schema_init()

        self.assertEquals(0, self.an_sys.get_schema_version())
        self.assertTrue(self.an_sys.environment_needs_upgrade())

        self.an_sys.upgrade_environment()
        self._verify_curr_schema()

    def test_upgrade_v1_to_current(self):
        # The initial db schema from r3015 - 10-Jan-2008 by Stephen Hansen.
        schema = [
            Table('subscriptions', key='id')[
                Column('id', auto_increment=True),
                Column('sid'),
                Column('enabled', type='int'),
                Column('managed', type='int'),
                Column('realm'),
                Column('category'),
                Column('rule'),
                Column('destination'),
                Column('format'),
                Index(['id']),
                Index(['realm', 'category', 'enabled']),
            ]
        ]
        self._schema_init(schema)

        # Populate tables with test data.
        with self.env.db_transaction as db:
            cursor = db.cursor()
            cursor.executemany("""
                INSERT INTO session
                       (sid,authenticated,last_visit)
                VALUES (%s,%s,%s)
            """, (('somebody', '0', '0'), ('user', '1', '0')))
            cursor.executemany("""
                INSERT INTO session_attribute
                       (sid,authenticated,name,value)
                VALUES (%s,1,%s,%s)
            """, (('user', 'announcer_email_format_ticket', 'text/html'),
                  ('user', 'announcer_specified_email', '')))
            cursor.executemany("""
                INSERT INTO subscriptions
                       (sid,enabled,managed,
                        realm,category,rule,destination,format)
                VALUES (%s,%s,0,%s,%s,%s,%s,%s)
            """, (('somebody', 1, 'ticket', 'changed', '1', '1', 'email'),
                  ('user', 1, 'ticket', 'attachment added', '1', '1', 'email')))

        self.assertEquals(1, self.an_sys.get_schema_version())
        target = 6
        db_default.schema_version = target
        self.assertTrue(self.an_sys.environment_needs_upgrade())

        self.an_sys.upgrade_environment()
        self._verify_curr_schema()

    def test_upgrade_to_schema_v2(self):
        # The initial db schema from r3015 - 10-Jan-2008 by Stephen Hansen.
        schema = [
            Table('subscriptions', key='id')[
                Column('id', auto_increment=True),
                Column('sid'),
                Column('enabled', type='int'),
                Column('managed', type='int'),
                Column('realm'),
                Column('category'),
                Column('rule'),
                Column('destination'),
                Column('format'),
                Index(['id']),
                Index(['realm', 'category', 'enabled']),
            ]
        ]
        self._schema_init(schema)

        # Populate tables with test data.
        with self.env.db_transaction as db:
            cursor = db.cursor()
            cursor.executemany("""
                INSERT INTO session
                       (sid,authenticated,last_visit)
                VALUES (%s,%s,%s)
            """, (('somebody', '0', '0'), ('user', '1', '0')))
            cursor.executemany("""
                INSERT INTO session_attribute
                       (sid,authenticated,name,value)
                VALUES (%s,1,%s,%s)
            """, (('user', 'announcer_email_format_ticket', 'text/html'),
                  ('user', 'announcer_specified_email', '')))
            cursor.executemany("""
                INSERT INTO subscriptions
                       (sid,enabled,managed,
                        realm,category,rule,destination,format)
                VALUES (%s,%s,0,%s,%s,%s,%s,%s)
            """, (('somebody', 1, 'ticket', 'changed', '1', '1', 'email'),
                  ('user', 1, 'ticket', 'attachment added', '1', '1', 'email')))

        self.assertEquals(1, self.an_sys.get_schema_version())
        target = 2
        db_default.schema_version = target
        self.assertTrue(self.an_sys.environment_needs_upgrade())

        # Change from r3047 - 13-Jan-2008 for announcer-0.2 by Stephen Hansen.
        # - 'subscriptions.destination', 'subscriptions.format'
        # + 'subscriptions.authenticated', 'subscriptions.transport'
        # 'subscriptions.managed' type='int' --> (default == char)
        self.an_sys.upgrade_environment()

        self.assertEquals(target, self.an_sys.get_schema_version())
        self._verify_version_unregistered()
        with self.env.db_query as db:
            cursor = db.cursor()
            cursor.execute("SELECT * FROM subscriptions")
            columns = [col[0] for col in cursor.cursor.description]
        self.assertEquals(['id', 'sid', 'authenticated', 'enabled', 'managed',
                           'realm', 'category', 'rule', 'transport'],
                          columns
                          )

    def test_upgrade_to_schema_v3(self):
        # Schema from r3047 - 13-Jan-2008 for announcer-0.2 by Stephen Hansen.
        schema = [
            Table('subscriptions', key='id')[
                Column('id', auto_increment=True),
                Column('sid'),
                Column('authenticated', type='int'),
                Column('enabled', type='int'),
                Column('managed'),
                Column('realm'),
                Column('category'),
                Column('rule'),
                Column('transport'),
                Index(['id']),
                Index(['realm', 'category', 'enabled']),
            ]
        ]
        self._schema_init(schema)

        # Populate tables with test data.
        with self.env.db_transaction as db:
            cursor = db.cursor()
            cursor.executemany("""
                INSERT INTO session_attribute
                       (sid,authenticated,name,value)
                VALUES (%s,1,%s,%s)
            """, (('user', 'announcer_email_format_ticket', 'text/html'),
                  ('user', 'announcer_email_format_wiki', 'text/plain'),
                  ('user', 'announcer_specified_email', '')))
            cursor.executemany("""
                INSERT INTO subscriptions
                       (sid,authenticated,enabled,managed,
                        realm,category,rule,transport)
                VALUES (%s,%s,1,%s,%s,%s,%s,%s)
            """, (('user', 1, 'watcher', 'ticket', 'changed', '1', 'email'),
                  ('user', 1, 'watcher', 'wiki', '*', 'WikiStart', 'email')))

        self.assertEquals(2, self.an_sys.get_schema_version())
        target = 3
        db_default.schema_version = target
        self.assertTrue(self.an_sys.environment_needs_upgrade())

        # From r9116 - 25-Sep-2010 for announcer-0.12.1 by Robert Corsaro.
        # + table 'subscription', 'subscription_attribute'
        self.an_sys.upgrade_environment()

        self.assertEquals(target, self.an_sys.get_schema_version())

    def test_upgrade_to_schema_v4(self):
        # Schema from r9116 - 25-Sep-2010 for announcer-0.12.1 by R. Corsaro.
        schema = [
            Table('subscriptions', key='id')[
                Column('id', auto_increment=True),
                Column('sid'),
                Column('authenticated', type='int'),
                Column('enabled', type='int'),
                Column('managed'),
                Column('realm'),
                Column('category'),
                Column('rule'),
                Column('transport'),
                Index(['id']),
                Index(['realm', 'category', 'enabled']),
            ],
            Table('subscription', key='id')[
                Column('id', auto_increment=True),
                Column('time', type='int64'),
                Column('changetime', type='int64'),
                Column('class'),
                Column('sid'),
                Column('authenticated', type='int'),
                Column('distributor'),
                Column('format'),
                Column('priority'),
                Column('adverb')
            ],
            Table('subscription_attribute', key='id')[
                Column('id', auto_increment=True),
                Column('sid'),
                Column('class'),
                Column('name'),
                Column('value')
            ]
        ]
        self._schema_init(schema)

        # Populate tables with test data.
        with self.env.db_transaction as db:
            cursor = db.cursor()
            cursor.execute("""
                INSERT INTO subscription
                       (time,changetime,class,sid,authenticated,
                        distributor,format,priority,adverb)
                VALUES ('0','0','GeneralWikiSubscriber','user','1',
                        'email','text/plain','1','always')
            """)
            cursor.executemany("""
                INSERT INTO subscription_attribute
                       (sid,class,name,value)
                VALUES (%s,%s,%s,%s)
            """, (('somebody', 'GeneralWikiSubscriber', 'wiki', '*'),
                  ('somebody', 'UserChangeSubscriber', 'wiki', 'created'),
                  ('user', 'GeneralWikiSubscriber', 'wiki', 'TracWiki')))

        self.assertEquals(3, self.an_sys.get_schema_version())
        target = 4
        db_default.schema_version = target
        self.assertTrue(self.an_sys.environment_needs_upgrade())

        # From r9210 - 29-Sep-2010 for announcer-0.12.1 by Robert Corsaro.
        # - table 'subscriptions'
        # 'subscription.priority' type=(default == char) --> 'int'
        # 'subscription_attribute.name --> 'subscription_attribute.realm'
        # 'subscription_attribute.value --> 'subscription_attribute.target'
        self.an_sys.upgrade_environment()

        self.assertEquals(target, self.an_sys.get_schema_version())
        # Check type of priority value.
        with self.env.db_query as db:
            cursor = db.cursor()
            cursor.execute("SELECT priority FROM subscription")
            for priority in cursor:
                # Shouldn't raise an TypeError with appropriate column type.
                result = priority[0] + 0

    def test_upgrade_to_schema_v5(self):
        # Schema from r9210 - 29-Sep-2010 for announcer-0.12.1 by R. Corsaro.
        schema = [
            Table('subscription', key='id')[
                Column('id', auto_increment=True),
                Column('time', type='int64'),
                Column('changetime', type='int64'),
                Column('class'),
                Column('sid'),
                Column('authenticated', type='int'),
                Column('distributor'),
                Column('format'),
                Column('priority', type='int'),
                Column('adverb')
            ],
            Table('subscription_attribute', key='id')[
                Column('id', auto_increment=True),
                Column('sid'),
                Column('class'),
                Column('realm'),
                Column('target')
            ]
        ]
        self._schema_init(schema)

        # Populate tables with test data.
        with self.env.db_transaction as db:
            cursor = db.cursor()
            cursor.executemany("""
                INSERT INTO session
                       (sid,authenticated,last_visit)
                VALUES (%s,%s,%s)
            """, (('somebody', '0', '0'), ('user', '1', '0')))
            cursor.executemany("""
                INSERT INTO subscription_attribute
                       (sid,class,realm,target)
                VALUES (%s,%s,%s,%s)
            """, (('somebody', 'GeneralWikiSubscriber', 'wiki', '*'),
                  ('somebody', 'UserChangeSubscriber', 'wiki', 'created'),
                  ('user', 'GeneralWikiSubscriber', 'wiki', 'TracWiki')))

        self.assertEquals(4, self.an_sys.get_schema_version())
        target = 5
        db_default.schema_version = target
        self.assertTrue(self.an_sys.environment_needs_upgrade())

        # From r9235 - 01-Oct-2010 for announcer-0.12.1 by Robert Corsaro.
        # + 'subscription_attribute.authenticated'
        self.an_sys.upgrade_environment()

        self.assertEquals(target, self.an_sys.get_schema_version())
        self._verify_version_unregistered()
        with self.env.db_query as db:
            cursor = db.cursor()
            cursor.execute("SELECT * FROM subscription_attribute")
            columns = [col[0] for col in cursor.cursor.description]
        self.assertTrue('name' not in columns)
        self.assertTrue('value' not in columns)
        self.assertEquals(
            ['id', 'sid', 'authenticated', 'class', 'realm', 'target'],
            columns
        )
        # Check authenticated attribute for session IDs.
        subscriptions = [(row[1], (row[2])) for row in cursor]
        for sub in subscriptions:
            self.assertTrue((sub[0] == 'user' and sub[1] == 1) or sub[1] == 0)

    def test_upgrade_to_schema_v6(self):
        # Check data migration and registration of unversioned schema.

        # Table definitions are identical to current schema here, see
        # schema from r9235 - 01-Oct-2010 for announcer-0.12.1 by R. Corsaro.
        self._schema_init(db_default.schema)

        # Populate table with test data.
        with self.env.db_transaction as db:
            cursor = db.cursor()
            if self.env.config.get('trac', 'database').startswith('sqlite'):
                # Add dataset with CURRENT_TIMESTAMP strings.
                cursor.execute("""
                    INSERT INTO subscription
                           (time,changetime,
                            class,sid,authenticated,
                            distributor,format,priority,adverb)
                    VALUES ('1970-01-01 00:00:00','2012-10-31 23:59:59',
                            'GeneralWikiSubscriber','user','1',
                            'email','text/plain','1','always')
                """)
            else:
                cursor.execute("""
                    INSERT INTO subscription
                           (time,changetime,
                            class,sid,authenticated,
                            distributor,format,priority,adverb)
                    VALUES ('0','1351724399',
                            'GeneralWikiSubscriber','user','1',
                            'email','text/plain','1','always')
                """)
            cursor.execute("""
                INSERT INTO subscription_attribute
                       (sid,authenticated,class,realm,target)
                VALUES ('user','1','GeneralWikiSubscriber','wiki', 'TracWiki')
            """)
            self.assertEquals(5, self.an_sys.get_schema_version())
            target = 6
            db_default.schema_version = target
            self.assertTrue(self.an_sys.environment_needs_upgrade())

            # Data migration and registration of unversioned schema.
            self.an_sys.upgrade_environment()

            self._verify_curr_schema()
            cursor.execute("SELECT time,changetime FROM subscription")
            for time in cursor:
                # Shouldn't raise an TypeError with proper int/long values.
                check = time[1] - time[0]
コード例 #4
0
class TagSetupTestCase(unittest.TestCase):

    def setUp(self):
        self.env = EnvironmentStub(enable=['trac.*'])
        self.env.path = tempfile.mkdtemp()
        self.db_mgr = DatabaseManager(self.env)

    def tearDown(self):
        self.env.shutdown()
        shutil.rmtree(self.env.path)

    # Helpers

    def _get_cursor_description(self, cursor):
        return cursor.cursor.description

    def _revert_tractags_schema_init(self):
        with self.env.db_transaction as db:
            db("DROP TABLE IF EXISTS tags")
            db("DROP TABLE IF EXISTS tags_change")
            db("DELETE FROM system WHERE name='tags_version'")
            db("DELETE FROM permission WHERE action %s" % db.like(),
               ('TAGS_%',))

    def get_db_version(self):
        for version, in self.env.db_query("""
                SELECT value FROM system
                WHERE name='tags_version'
                """):
            return int(version)

    # Tests

    def test_new_install(self):
        setup = TagSetup(self.env)
        # Current tractags schema is setup with enabled component anyway.
        #   Revert these changes for clean install testing.
        self._revert_tractags_schema_init()
        self.assertEquals(0, setup.get_schema_version())
        self.assertTrue(setup.environment_needs_upgrade())

        setup.upgrade_environment()
        self.assertFalse(setup.environment_needs_upgrade())
        with self.env.db_query as db:
            cursor = db.cursor()
            cursor.execute("SELECT * FROM tags")
            cols = [col[0] for col in self._get_cursor_description(cursor)]
            self.assertEquals([], cursor.fetchall())
            self.assertEquals(['tagspace', 'name', 'tag'], cols)
        self.assertEquals(db_default.schema_version, self.get_db_version())

    def test_upgrade_schema_v1(self):
        # Ancient, unversioned schema - wiki only.
        schema = [
            Table('wiki_namespace')[
                Column('name'),
                Column('namespace'),
                Index(['name', 'namespace']),
            ]
        ]
        setup = TagSetup(self.env)
        # Current tractags schema is setup with enabled component anyway.
        #   Revert these changes for clean install testing.
        self._revert_tractags_schema_init()

        connector = self.db_mgr.get_connector()[0]
        with self.env.db_transaction as db:
            for table in schema:
                for stmt in connector.to_sql(table):
                    db(stmt)
            # Populate table with migration test data.
            db("""INSERT INTO wiki_namespace (name, namespace)
                  VALUES ('WikiStart', 'tag')""")

        tags = self.env.db_query("SELECT * FROM wiki_namespace")
        self.assertEquals([('WikiStart', 'tag')], tags)
        self.assertEquals(1, setup.get_schema_version())
        self.assertTrue(setup.environment_needs_upgrade())

        setup.upgrade_environment()
        self.assertFalse(setup.environment_needs_upgrade())
        with self.env.db_query as db:
            cursor = db.cursor()
            cursor.execute("SELECT * FROM tags")
            tags = cursor.fetchall()
            cols = [col[0] for col in self._get_cursor_description(cursor)]
            # Db content should be migrated.
            self.assertEquals([('wiki', 'WikiStart', 'tag')], tags)
            self.assertEquals(['tagspace', 'name', 'tag'], cols)
            self.assertEquals(db_default.schema_version, self.get_db_version())

    def test_upgrade_schema_v2(self):
        # Just register a current, but unversioned schema.
        schema = [
            Table('tags', key=('tagspace', 'name', 'tag'))[
                Column('tagspace'),
                Column('name'),
                Column('tag'),
                Index(['tagspace', 'name']),
                Index(['tagspace', 'tag']),
            ]
        ]
        setup = TagSetup(self.env)
        # Current tractags schema is setup with enabled component anyway.
        #   Revert these changes for clean install testing.
        self._revert_tractags_schema_init()

        connector = self.db_mgr.get_connector()[0]
        with self.env.db_transaction as db:
            for table in schema:
                for stmt in connector.to_sql(table):
                    db(stmt)
            # Populate table with test data.
            db("""INSERT INTO tags (tagspace, name, tag)
                  VALUES ('wiki', 'WikiStart', 'tag')""")

        tags = self.env.db_query("SELECT * FROM tags")
        self.assertEquals([('wiki', 'WikiStart', 'tag')], tags)
        self.assertEquals(2, setup.get_schema_version())
        self.assertTrue(setup.environment_needs_upgrade())

        setup.upgrade_environment()
        self.assertFalse(setup.environment_needs_upgrade())
        with self.env.db_query as db:
            cursor = db.cursor()
            cursor.execute("SELECT * FROM tags")
            tags = cursor.fetchall()
            cols = [col[0] for col in self._get_cursor_description(cursor)]
            # Db should be unchanged.
            self.assertEquals([('wiki', 'WikiStart', 'tag')], tags)
            self.assertEquals(['tagspace', 'name', 'tag'], cols)
            self.assertEquals(db_default.schema_version, self.get_db_version())

    def test_upgrade_schema_v3(self):
        # Add table for tag change records to the schema.
        schema = [
            Table('tags', key=('tagspace', 'name', 'tag'))[
                Column('tagspace'),
                Column('name'),
                Column('tag'),
                Index(['tagspace', 'name']),
                Index(['tagspace', 'tag']),
            ]
        ]
        setup = TagSetup(self.env)
        # Current tractags schema is setup with enabled component anyway.
        #   Revert these changes for clean install testing.
        self._revert_tractags_schema_init()

        connector = self.db_mgr.get_connector()[0]
        with self.env.db_transaction as db:
            for table in schema:
                for stmt in connector.to_sql(table):
                    db(stmt)
            # Preset system db table with old version.
            db("""INSERT INTO system (name, value)
                  VALUES ('tags_version', '3')""")

        self.assertEquals(3, setup.get_schema_version())
        self.assertTrue(setup.environment_needs_upgrade())

        setup.upgrade_environment()
        self.assertFalse(setup.environment_needs_upgrade())
        with self.env.db_query as db:
            cursor = db.cursor()
            cursor.execute("SELECT * FROM tags_change")
            cols = [col[0] for col in self._get_cursor_description(cursor)]
            self.assertEquals(['tagspace', 'name', 'time', 'author',
                               'oldtags', 'newtags'], cols)
        self.assertEquals(db_default.schema_version, self.get_db_version())
コード例 #5
0
class AnnouncementSystemSetupTestCase(unittest.TestCase):
    def setUp(self):
        self.env = EnvironmentStub(enable=['trac.*'])
        self.env.path = tempfile.mkdtemp()
        self.db_mgr = DatabaseManager(self.env)
        self.an_sys = AnnouncementSystem(self.env)

    def tearDown(self):
        self.env.shutdown()
        shutil.rmtree(self.env.path)

    # Helpers

    def _schema_init(self, schema=None):
        # Current announcer schema is setup with enabled component anyway.
        #   Revert these changes for clean install testing.
        with self.env.db_transaction as db:
            db("DROP TABLE IF EXISTS subscriptions")
            db("DROP TABLE IF EXISTS subscription")
            db("DROP TABLE IF EXISTS subscription_attribute")
            db("DELETE FROM system WHERE name='announcer_version'")

            if schema:
                connector = self.db_mgr.get_connector()[0]
                for table in schema:
                    for stmt in connector.to_sql(table):
                        db(stmt)

    def _verify_curr_schema(self):
        self.assertFalse(self.an_sys.environment_needs_upgrade())
        with self.env.db_query as db:
            cursor = db.cursor()
            cursor.execute("SELECT * FROM subscription_attribute")
            columns = [col[0] for col in cursor.cursor.description]
        self.assertTrue('name' not in columns)
        self.assertTrue('value' not in columns)
        self.assertEquals(
            ['id', 'sid', 'authenticated', 'class', 'realm', 'target'],
            columns)
        with self.env.db_query as db:
            cursor = db.cursor()
            cursor.execute("""
                SELECT value
                  FROM system
                 WHERE name='announcer_version'
            """)
            version = int(cursor.fetchone()[0])
        self.assertEquals(db_default.schema_version, version)

    def _verify_version_unregistered(self):
        with self.env.db_query as db:
            cursor = db.cursor()
            cursor.execute("""
                SELECT value
                  FROM system
                 WHERE name='announcer_version'
            """)
            self.assertFalse(cursor.fetchone())

    def test_new_install(self):
        # Just do db table clean-up.
        self._schema_init()

        self.assertEquals(0, self.an_sys.get_schema_version())
        self.assertTrue(self.an_sys.environment_needs_upgrade())

        self.an_sys.upgrade_environment()
        self._verify_curr_schema()

    def test_upgrade_v1_to_current(self):
        # The initial db schema from r3015 - 10-Jan-2008 by Stephen Hansen.
        schema = [
            Table('subscriptions',
                  key='id')[Column('id', auto_increment=True),
                            Column('sid'),
                            Column('enabled', type='int'),
                            Column('managed', type='int'),
                            Column('realm'),
                            Column('category'),
                            Column('rule'),
                            Column('destination'),
                            Column('format'),
                            Index(['id']),
                            Index(['realm', 'category', 'enabled']), ]
        ]
        self._schema_init(schema)

        # Populate tables with test data.
        with self.env.db_transaction as db:
            cursor = db.cursor()
            cursor.executemany(
                """
                INSERT INTO session
                       (sid,authenticated,last_visit)
                VALUES (%s,%s,%s)
            """, (('somebody', '0', '0'), ('user', '1', '0')))
            cursor.executemany(
                """
                INSERT INTO session_attribute
                       (sid,authenticated,name,value)
                VALUES (%s,1,%s,%s)
            """, (('user', 'announcer_email_format_ticket', 'text/html'),
                  ('user', 'announcer_specified_email', '')))
            cursor.executemany(
                """
                INSERT INTO subscriptions
                       (sid,enabled,managed,
                        realm,category,rule,destination,format)
                VALUES (%s,%s,0,%s,%s,%s,%s,%s)
            """,
                (('somebody', 1, 'ticket', 'changed', '1', '1', 'email'),
                 ('user', 1, 'ticket', 'attachment added', '1', '1', 'email')))

        self.assertEquals(1, self.an_sys.get_schema_version())
        target = 6
        db_default.schema_version = target
        self.assertTrue(self.an_sys.environment_needs_upgrade())

        self.an_sys.upgrade_environment()
        self._verify_curr_schema()

    def test_upgrade_to_schema_v2(self):
        # The initial db schema from r3015 - 10-Jan-2008 by Stephen Hansen.
        schema = [
            Table('subscriptions',
                  key='id')[Column('id', auto_increment=True),
                            Column('sid'),
                            Column('enabled', type='int'),
                            Column('managed', type='int'),
                            Column('realm'),
                            Column('category'),
                            Column('rule'),
                            Column('destination'),
                            Column('format'),
                            Index(['id']),
                            Index(['realm', 'category', 'enabled']), ]
        ]
        self._schema_init(schema)

        # Populate tables with test data.
        with self.env.db_transaction as db:
            cursor = db.cursor()
            cursor.executemany(
                """
                INSERT INTO session
                       (sid,authenticated,last_visit)
                VALUES (%s,%s,%s)
            """, (('somebody', '0', '0'), ('user', '1', '0')))
            cursor.executemany(
                """
                INSERT INTO session_attribute
                       (sid,authenticated,name,value)
                VALUES (%s,1,%s,%s)
            """, (('user', 'announcer_email_format_ticket', 'text/html'),
                  ('user', 'announcer_specified_email', '')))
            cursor.executemany(
                """
                INSERT INTO subscriptions
                       (sid,enabled,managed,
                        realm,category,rule,destination,format)
                VALUES (%s,%s,0,%s,%s,%s,%s,%s)
            """,
                (('somebody', 1, 'ticket', 'changed', '1', '1', 'email'),
                 ('user', 1, 'ticket', 'attachment added', '1', '1', 'email')))

        self.assertEquals(1, self.an_sys.get_schema_version())
        target = 2
        db_default.schema_version = target
        self.assertTrue(self.an_sys.environment_needs_upgrade())

        # Change from r3047 - 13-Jan-2008 for announcer-0.2 by Stephen Hansen.
        # - 'subscriptions.destination', 'subscriptions.format'
        # + 'subscriptions.authenticated', 'subscriptions.transport'
        # 'subscriptions.managed' type='int' --> (default == char)
        self.an_sys.upgrade_environment()

        self.assertEquals(target, self.an_sys.get_schema_version())
        self._verify_version_unregistered()
        with self.env.db_query as db:
            cursor = db.cursor()
            cursor.execute("SELECT * FROM subscriptions")
            columns = [col[0] for col in cursor.cursor.description]
        self.assertEquals([
            'id', 'sid', 'authenticated', 'enabled', 'managed', 'realm',
            'category', 'rule', 'transport'
        ], columns)

    def test_upgrade_to_schema_v3(self):
        # Schema from r3047 - 13-Jan-2008 for announcer-0.2 by Stephen Hansen.
        schema = [
            Table('subscriptions',
                  key='id')[Column('id', auto_increment=True),
                            Column('sid'),
                            Column('authenticated', type='int'),
                            Column('enabled', type='int'),
                            Column('managed'),
                            Column('realm'),
                            Column('category'),
                            Column('rule'),
                            Column('transport'),
                            Index(['id']),
                            Index(['realm', 'category', 'enabled']), ]
        ]
        self._schema_init(schema)

        # Populate tables with test data.
        with self.env.db_transaction as db:
            cursor = db.cursor()
            cursor.executemany(
                """
                INSERT INTO session_attribute
                       (sid,authenticated,name,value)
                VALUES (%s,1,%s,%s)
            """, (('user', 'announcer_email_format_ticket', 'text/html'),
                  ('user', 'announcer_email_format_wiki', 'text/plain'),
                  ('user', 'announcer_specified_email', '')))
            cursor.executemany(
                """
                INSERT INTO subscriptions
                       (sid,authenticated,enabled,managed,
                        realm,category,rule,transport)
                VALUES (%s,%s,1,%s,%s,%s,%s,%s)
            """, (('user', 1, 'watcher', 'ticket', 'changed', '1', 'email'),
                  ('user', 1, 'watcher', 'wiki', '*', 'WikiStart', 'email')))

        self.assertEquals(2, self.an_sys.get_schema_version())
        target = 3
        db_default.schema_version = target
        self.assertTrue(self.an_sys.environment_needs_upgrade())

        # From r9116 - 25-Sep-2010 for announcer-0.12.1 by Robert Corsaro.
        # + table 'subscription', 'subscription_attribute'
        self.an_sys.upgrade_environment()

        self.assertEquals(target, self.an_sys.get_schema_version())

    def test_upgrade_to_schema_v4(self):
        # Schema from r9116 - 25-Sep-2010 for announcer-0.12.1 by R. Corsaro.
        schema = [
            Table('subscriptions',
                  key='id')[Column('id', auto_increment=True),
                            Column('sid'),
                            Column('authenticated', type='int'),
                            Column('enabled', type='int'),
                            Column('managed'),
                            Column('realm'),
                            Column('category'),
                            Column('rule'),
                            Column('transport'),
                            Index(['id']),
                            Index(['realm', 'category', 'enabled']), ],
            Table('subscription',
                  key='id')[Column('id', auto_increment=True),
                            Column('time', type='int64'),
                            Column('changetime', type='int64'),
                            Column('class'),
                            Column('sid'),
                            Column('authenticated', type='int'),
                            Column('distributor'),
                            Column('format'),
                            Column('priority'),
                            Column('adverb')],
            Table('subscription_attribute',
                  key='id')[Column('id', auto_increment=True),
                            Column('sid'),
                            Column('class'),
                            Column('name'),
                            Column('value')]
        ]
        self._schema_init(schema)

        # Populate tables with test data.
        with self.env.db_transaction as db:
            cursor = db.cursor()
            cursor.execute("""
                INSERT INTO subscription
                       (time,changetime,class,sid,authenticated,
                        distributor,format,priority,adverb)
                VALUES ('0','0','GeneralWikiSubscriber','user','1',
                        'email','text/plain','1','always')
            """)
            cursor.executemany(
                """
                INSERT INTO subscription_attribute
                       (sid,class,name,value)
                VALUES (%s,%s,%s,%s)
            """, (('somebody', 'GeneralWikiSubscriber', 'wiki', '*'),
                  ('somebody', 'UserChangeSubscriber', 'wiki', 'created'),
                  ('user', 'GeneralWikiSubscriber', 'wiki', 'TracWiki')))

        self.assertEquals(3, self.an_sys.get_schema_version())
        target = 4
        db_default.schema_version = target
        self.assertTrue(self.an_sys.environment_needs_upgrade())

        # From r9210 - 29-Sep-2010 for announcer-0.12.1 by Robert Corsaro.
        # - table 'subscriptions'
        # 'subscription.priority' type=(default == char) --> 'int'
        # 'subscription_attribute.name --> 'subscription_attribute.realm'
        # 'subscription_attribute.value --> 'subscription_attribute.target'
        self.an_sys.upgrade_environment()

        self.assertEquals(target, self.an_sys.get_schema_version())
        # Check type of priority value.
        with self.env.db_query as db:
            cursor = db.cursor()
            cursor.execute("SELECT priority FROM subscription")
            for priority in cursor:
                # Shouldn't raise an TypeError with appropriate column type.
                result = priority[0] + 0

    def test_upgrade_to_schema_v5(self):
        # Schema from r9210 - 29-Sep-2010 for announcer-0.12.1 by R. Corsaro.
        schema = [
            Table('subscription',
                  key='id')[Column('id', auto_increment=True),
                            Column('time', type='int64'),
                            Column('changetime', type='int64'),
                            Column('class'),
                            Column('sid'),
                            Column('authenticated', type='int'),
                            Column('distributor'),
                            Column('format'),
                            Column('priority', type='int'),
                            Column('adverb')],
            Table('subscription_attribute',
                  key='id')[Column('id', auto_increment=True),
                            Column('sid'),
                            Column('class'),
                            Column('realm'),
                            Column('target')]
        ]
        self._schema_init(schema)

        # Populate tables with test data.
        with self.env.db_transaction as db:
            cursor = db.cursor()
            cursor.executemany(
                """
                INSERT INTO session
                       (sid,authenticated,last_visit)
                VALUES (%s,%s,%s)
            """, (('somebody', '0', '0'), ('user', '1', '0')))
            cursor.executemany(
                """
                INSERT INTO subscription_attribute
                       (sid,class,realm,target)
                VALUES (%s,%s,%s,%s)
            """, (('somebody', 'GeneralWikiSubscriber', 'wiki', '*'),
                  ('somebody', 'UserChangeSubscriber', 'wiki', 'created'),
                  ('user', 'GeneralWikiSubscriber', 'wiki', 'TracWiki')))

        self.assertEquals(4, self.an_sys.get_schema_version())
        target = 5
        db_default.schema_version = target
        self.assertTrue(self.an_sys.environment_needs_upgrade())

        # From r9235 - 01-Oct-2010 for announcer-0.12.1 by Robert Corsaro.
        # + 'subscription_attribute.authenticated'
        self.an_sys.upgrade_environment()

        self.assertEquals(target, self.an_sys.get_schema_version())
        self._verify_version_unregistered()
        with self.env.db_query as db:
            cursor = db.cursor()
            cursor.execute("SELECT * FROM subscription_attribute")
            columns = [col[0] for col in cursor.cursor.description]
        self.assertTrue('name' not in columns)
        self.assertTrue('value' not in columns)
        self.assertEquals(
            ['id', 'sid', 'authenticated', 'class', 'realm', 'target'],
            columns)
        # Check authenticated attribute for session IDs.
        subscriptions = [(row[1], (row[2])) for row in cursor]
        for sub in subscriptions:
            self.assertTrue((sub[0] == 'user' and sub[1] == 1) or sub[1] == 0)

    def test_upgrade_to_schema_v6(self):
        # Check data migration and registration of unversioned schema.

        # Table definitions are identical to current schema here, see
        # schema from r9235 - 01-Oct-2010 for announcer-0.12.1 by R. Corsaro.
        self._schema_init(db_default.schema)

        # Populate table with test data.
        with self.env.db_transaction as db:
            cursor = db.cursor()
            if self.env.config.get('trac', 'database').startswith('sqlite'):
                # Add dataset with CURRENT_TIMESTAMP strings.
                cursor.execute("""
                    INSERT INTO subscription
                           (time,changetime,
                            class,sid,authenticated,
                            distributor,format,priority,adverb)
                    VALUES ('1970-01-01 00:00:00','2012-10-31 23:59:59',
                            'GeneralWikiSubscriber','user','1',
                            'email','text/plain','1','always')
                """)
            else:
                cursor.execute("""
                    INSERT INTO subscription
                           (time,changetime,
                            class,sid,authenticated,
                            distributor,format,priority,adverb)
                    VALUES ('0','1351724399',
                            'GeneralWikiSubscriber','user','1',
                            'email','text/plain','1','always')
                """)
            cursor.execute("""
                INSERT INTO subscription_attribute
                       (sid,authenticated,class,realm,target)
                VALUES ('user','1','GeneralWikiSubscriber','wiki', 'TracWiki')
            """)
            self.assertEquals(5, self.an_sys.get_schema_version())
            target = 6
            db_default.schema_version = target
            self.assertTrue(self.an_sys.environment_needs_upgrade())

            # Data migration and registration of unversioned schema.
            self.an_sys.upgrade_environment()

            self._verify_curr_schema()
            cursor.execute("SELECT time,changetime FROM subscription")
            for time in cursor:
                # Shouldn't raise an TypeError with proper int/long values.
                check = time[1] - time[0]