149 lines
4.5 KiB
Python
149 lines
4.5 KiB
Python
from .. import fixtures, config
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from ..config import requirements
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from ..assertions import eq_
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from ... import testing
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from ... import Integer, String, Sequence, schema, MetaData
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from ..schema import Table, Column
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class SequenceTest(fixtures.TablesTest):
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__requires__ = ('sequences',)
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__backend__ = True
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run_create_tables = 'each'
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@classmethod
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def define_tables(cls, metadata):
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Table('seq_pk', metadata,
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Column('id', Integer, Sequence('tab_id_seq'), primary_key=True),
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Column('data', String(50))
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)
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Table('seq_opt_pk', metadata,
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Column('id', Integer, Sequence('tab_id_seq', optional=True),
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primary_key=True),
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Column('data', String(50))
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)
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def test_insert_roundtrip(self):
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config.db.execute(
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self.tables.seq_pk.insert(),
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data="some data"
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)
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self._assert_round_trip(self.tables.seq_pk, config.db)
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def test_insert_lastrowid(self):
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r = config.db.execute(
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self.tables.seq_pk.insert(),
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data="some data"
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)
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eq_(
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r.inserted_primary_key,
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[1]
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)
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def test_nextval_direct(self):
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r = config.db.execute(
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self.tables.seq_pk.c.id.default
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)
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eq_(
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r, 1
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)
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@requirements.sequences_optional
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def test_optional_seq(self):
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r = config.db.execute(
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self.tables.seq_opt_pk.insert(),
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data="some data"
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)
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eq_(
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r.inserted_primary_key,
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[1]
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)
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def _assert_round_trip(self, table, conn):
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row = conn.execute(table.select()).first()
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eq_(
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row,
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(1, "some data")
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)
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class SequenceCompilerTest(testing.AssertsCompiledSQL, fixtures.TestBase):
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__requires__ = ('sequences',)
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__backend__ = True
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def test_literal_binds_inline_compile(self):
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table = Table(
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'x', MetaData(),
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Column('y', Integer, Sequence('y_seq')),
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Column('q', Integer))
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stmt = table.insert().values(q=5)
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seq_nextval = testing.db.dialect.statement_compiler(
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statement=None, dialect=testing.db.dialect).visit_sequence(
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Sequence("y_seq"))
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self.assert_compile(
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stmt,
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"INSERT INTO x (y, q) VALUES (%s, 5)" % (seq_nextval, ),
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literal_binds=True,
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dialect=testing.db.dialect)
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class HasSequenceTest(fixtures.TestBase):
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__requires__ = 'sequences',
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__backend__ = True
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def test_has_sequence(self):
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s1 = Sequence('user_id_seq')
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testing.db.execute(schema.CreateSequence(s1))
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try:
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eq_(testing.db.dialect.has_sequence(testing.db,
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'user_id_seq'), True)
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finally:
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testing.db.execute(schema.DropSequence(s1))
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@testing.requires.schemas
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def test_has_sequence_schema(self):
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s1 = Sequence('user_id_seq', schema=config.test_schema)
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testing.db.execute(schema.CreateSequence(s1))
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try:
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eq_(testing.db.dialect.has_sequence(
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testing.db, 'user_id_seq', schema=config.test_schema), True)
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finally:
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testing.db.execute(schema.DropSequence(s1))
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def test_has_sequence_neg(self):
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eq_(testing.db.dialect.has_sequence(testing.db, 'user_id_seq'),
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False)
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@testing.requires.schemas
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def test_has_sequence_schemas_neg(self):
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eq_(testing.db.dialect.has_sequence(testing.db, 'user_id_seq',
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schema=config.test_schema),
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False)
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@testing.requires.schemas
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def test_has_sequence_default_not_in_remote(self):
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s1 = Sequence('user_id_seq')
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testing.db.execute(schema.CreateSequence(s1))
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try:
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eq_(testing.db.dialect.has_sequence(testing.db, 'user_id_seq',
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schema=config.test_schema),
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False)
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finally:
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testing.db.execute(schema.DropSequence(s1))
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@testing.requires.schemas
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def test_has_sequence_remote_not_in_default(self):
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s1 = Sequence('user_id_seq', schema=config.test_schema)
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testing.db.execute(schema.CreateSequence(s1))
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try:
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eq_(testing.db.dialect.has_sequence(testing.db, 'user_id_seq'),
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False)
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finally:
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testing.db.execute(schema.DropSequence(s1))
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