283 lines
8.2 KiB
Python
283 lines
8.2 KiB
Python
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from .. import config
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from .. import fixtures
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from ..assertions import eq_
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from ..assertions import is_true
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from ..config import requirements
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from ..schema import Column
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from ..schema import Table
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from ... import inspect
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from ... import Integer
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from ... import MetaData
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from ... import Sequence
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from ... import String
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from ... import testing
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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(
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"seq_pk",
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metadata,
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Column(
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"id",
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Integer,
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Sequence("tab_id_seq"),
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primary_key=True,
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),
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Column("data", String(50)),
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)
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Table(
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"seq_opt_pk",
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metadata,
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Column(
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"id",
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Integer,
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Sequence("tab_id_seq", data_type=Integer, optional=True),
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primary_key=True,
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),
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Column("data", String(50)),
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)
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Table(
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"seq_no_returning",
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metadata,
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Column(
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"id",
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Integer,
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Sequence("noret_id_seq"),
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primary_key=True,
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),
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Column("data", String(50)),
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implicit_returning=False,
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)
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if testing.requires.schemas.enabled:
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Table(
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"seq_no_returning_sch",
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metadata,
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Column(
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"id",
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Integer,
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Sequence("noret_sch_id_seq", schema=config.test_schema),
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primary_key=True,
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),
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Column("data", String(50)),
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implicit_returning=False,
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schema=config.test_schema,
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)
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def test_insert_roundtrip(self, connection):
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connection.execute(self.tables.seq_pk.insert(), dict(data="some data"))
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self._assert_round_trip(self.tables.seq_pk, connection)
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def test_insert_lastrowid(self, connection):
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r = connection.execute(
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self.tables.seq_pk.insert(), dict(data="some data")
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)
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eq_(
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r.inserted_primary_key, (testing.db.dialect.default_sequence_base,)
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)
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def test_nextval_direct(self, connection):
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r = connection.execute(self.tables.seq_pk.c.id.default)
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eq_(r, testing.db.dialect.default_sequence_base)
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@requirements.sequences_optional
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def test_optional_seq(self, connection):
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r = connection.execute(
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self.tables.seq_opt_pk.insert(), dict(data="some data")
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)
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eq_(r.inserted_primary_key, (1,))
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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_(row, (testing.db.dialect.default_sequence_base, "some data"))
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def test_insert_roundtrip_no_implicit_returning(self, connection):
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connection.execute(
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self.tables.seq_no_returning.insert(), dict(data="some data")
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)
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self._assert_round_trip(self.tables.seq_no_returning, connection)
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@testing.combinations((True,), (False,), argnames="implicit_returning")
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@testing.requires.schemas
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def test_insert_roundtrip_translate(self, connection, implicit_returning):
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seq_no_returning = Table(
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"seq_no_returning_sch",
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MetaData(),
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Column(
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"id",
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Integer,
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Sequence("noret_sch_id_seq", schema="alt_schema"),
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primary_key=True,
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),
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Column("data", String(50)),
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implicit_returning=implicit_returning,
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schema="alt_schema",
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)
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connection = connection.execution_options(
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schema_translate_map={"alt_schema": config.test_schema}
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)
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connection.execute(seq_no_returning.insert(), dict(data="some data"))
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self._assert_round_trip(seq_no_returning, connection)
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@testing.requires.schemas
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def test_nextval_direct_schema_translate(self, connection):
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seq = Sequence("noret_sch_id_seq", schema="alt_schema")
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connection = connection.execution_options(
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schema_translate_map={"alt_schema": config.test_schema}
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)
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r = connection.execute(seq)
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eq_(r, testing.db.dialect.default_sequence_base)
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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, connection):
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table = Table(
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"x",
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MetaData(),
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Column("y", Integer, Sequence("y_seq")),
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Column("q", Integer),
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)
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stmt = table.insert().values(q=5)
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seq_nextval = connection.dialect.statement_compiler(
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statement=None, dialect=connection.dialect
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).visit_sequence(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=connection.dialect,
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)
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class HasSequenceTest(fixtures.TablesTest):
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run_deletes = None
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__requires__ = ("sequences",)
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__backend__ = True
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@classmethod
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def define_tables(cls, metadata):
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Sequence("user_id_seq", metadata=metadata)
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Sequence(
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"other_seq", metadata=metadata, nomaxvalue=True, nominvalue=True
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)
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if testing.requires.schemas.enabled:
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Sequence(
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"user_id_seq", schema=config.test_schema, metadata=metadata
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)
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Sequence(
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"schema_seq", schema=config.test_schema, metadata=metadata
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)
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Table(
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"user_id_table",
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metadata,
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Column("id", Integer, primary_key=True),
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)
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def test_has_sequence(self, connection):
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eq_(
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inspect(connection).has_sequence("user_id_seq"),
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True,
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)
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def test_has_sequence_other_object(self, connection):
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eq_(
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inspect(connection).has_sequence("user_id_table"),
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False,
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)
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@testing.requires.schemas
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def test_has_sequence_schema(self, connection):
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eq_(
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inspect(connection).has_sequence(
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"user_id_seq", schema=config.test_schema
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),
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True,
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)
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def test_has_sequence_neg(self, connection):
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eq_(
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inspect(connection).has_sequence("some_sequence"),
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False,
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)
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@testing.requires.schemas
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def test_has_sequence_schemas_neg(self, connection):
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eq_(
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inspect(connection).has_sequence(
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"some_sequence", schema=config.test_schema
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),
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False,
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)
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@testing.requires.schemas
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def test_has_sequence_default_not_in_remote(self, connection):
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eq_(
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inspect(connection).has_sequence(
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"other_sequence", schema=config.test_schema
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),
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False,
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)
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@testing.requires.schemas
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def test_has_sequence_remote_not_in_default(self, connection):
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eq_(
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inspect(connection).has_sequence("schema_seq"),
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False,
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)
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def test_get_sequence_names(self, connection):
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exp = {"other_seq", "user_id_seq"}
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res = set(inspect(connection).get_sequence_names())
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is_true(res.intersection(exp) == exp)
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is_true("schema_seq" not in res)
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@testing.requires.schemas
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def test_get_sequence_names_no_sequence_schema(self, connection):
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eq_(
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inspect(connection).get_sequence_names(
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schema=config.test_schema_2
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),
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[],
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)
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@testing.requires.schemas
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def test_get_sequence_names_sequences_schema(self, connection):
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eq_(
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sorted(
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inspect(connection).get_sequence_names(
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schema=config.test_schema
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)
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),
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["schema_seq", "user_id_seq"],
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)
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class HasSequenceTestEmpty(fixtures.TestBase):
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__requires__ = ("sequences",)
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__backend__ = True
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def test_get_sequence_names_no_sequence(self, connection):
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eq_(
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inspect(connection).get_sequence_names(),
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[],
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)
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