156 lines
4.6 KiB
Python
156 lines
4.6 KiB
Python
from .. import config
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from .. import fixtures
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from ..assertions import eq_
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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 Integer
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from ... import MetaData
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from ... import schema
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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("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(
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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", 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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def test_insert_roundtrip(self):
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config.db.execute(self.tables.seq_pk.insert(), data="some data")
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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(self.tables.seq_pk.insert(), data="some data")
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eq_(r.inserted_primary_key, [1])
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def test_nextval_direct(self):
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r = config.db.execute(self.tables.seq_pk.c.id.default)
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eq_(r, 1)
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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(), 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, (1, "some data"))
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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",
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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 = testing.db.dialect.statement_compiler(
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statement=None, dialect=testing.db.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=testing.db.dialect,
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)
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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_(
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testing.db.dialect.has_sequence(testing.db, "user_id_seq"),
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True,
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)
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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_(
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testing.db.dialect.has_sequence(
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testing.db, "user_id_seq", schema=config.test_schema
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),
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True,
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)
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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"), False)
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@testing.requires.schemas
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def test_has_sequence_schemas_neg(self):
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eq_(
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testing.db.dialect.has_sequence(
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testing.db, "user_id_seq", 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):
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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_(
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testing.db.dialect.has_sequence(
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testing.db, "user_id_seq", schema=config.test_schema
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),
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False,
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)
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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_(
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testing.db.dialect.has_sequence(testing.db, "user_id_seq"),
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False,
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)
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finally:
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testing.db.execute(schema.DropSequence(s1))
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