from .. import fixtures, config from ..config import requirements from ..assertions import eq_ from ... import testing from ... import Integer, String, Sequence, schema from ..schema import Table, Column class SequenceTest(fixtures.TablesTest): __requires__ = ('sequences',) __backend__ = True run_create_tables = 'each' @classmethod def define_tables(cls, metadata): Table('seq_pk', metadata, Column('id', Integer, Sequence('tab_id_seq'), primary_key=True), Column('data', String(50)) ) Table('seq_opt_pk', metadata, Column('id', Integer, Sequence('tab_id_seq', optional=True), primary_key=True), Column('data', String(50)) ) def test_insert_roundtrip(self): config.db.execute( self.tables.seq_pk.insert(), data="some data" ) self._assert_round_trip(self.tables.seq_pk, config.db) def test_insert_lastrowid(self): r = config.db.execute( self.tables.seq_pk.insert(), data="some data" ) eq_( r.inserted_primary_key, [1] ) def test_nextval_direct(self): r = config.db.execute( self.tables.seq_pk.c.id.default ) eq_( r, 1 ) @requirements.sequences_optional def test_optional_seq(self): r = config.db.execute( self.tables.seq_opt_pk.insert(), data="some data" ) eq_( r.inserted_primary_key, [1] ) def _assert_round_trip(self, table, conn): row = conn.execute(table.select()).first() eq_( row, (1, "some data") ) class HasSequenceTest(fixtures.TestBase): __requires__ = 'sequences', __backend__ = True def test_has_sequence(self): s1 = Sequence('user_id_seq') testing.db.execute(schema.CreateSequence(s1)) try: eq_(testing.db.dialect.has_sequence(testing.db, 'user_id_seq'), True) finally: testing.db.execute(schema.DropSequence(s1)) @testing.requires.schemas def test_has_sequence_schema(self): s1 = Sequence('user_id_seq', schema="test_schema") testing.db.execute(schema.CreateSequence(s1)) try: eq_(testing.db.dialect.has_sequence(testing.db, 'user_id_seq', schema="test_schema"), True) finally: testing.db.execute(schema.DropSequence(s1)) def test_has_sequence_neg(self): eq_(testing.db.dialect.has_sequence(testing.db, 'user_id_seq'), False) @testing.requires.schemas def test_has_sequence_schemas_neg(self): eq_(testing.db.dialect.has_sequence(testing.db, 'user_id_seq', schema="test_schema"), False) @testing.requires.schemas def test_has_sequence_default_not_in_remote(self): s1 = Sequence('user_id_seq') testing.db.execute(schema.CreateSequence(s1)) try: eq_(testing.db.dialect.has_sequence(testing.db, 'user_id_seq', schema="test_schema"), False) finally: testing.db.execute(schema.DropSequence(s1)) @testing.requires.schemas def test_has_sequence_remote_not_in_default(self): s1 = Sequence('user_id_seq', schema="test_schema") testing.db.execute(schema.CreateSequence(s1)) try: eq_(testing.db.dialect.has_sequence(testing.db, 'user_id_seq'), False) finally: testing.db.execute(schema.DropSequence(s1))