320 lines
9.4 KiB
Python
320 lines
9.4 KiB
Python
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from .. import fixtures, config
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from ..config import requirements
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from .. import exclusions
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from ..assertions import eq_
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from .. import engines
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from sqlalchemy import Integer, String, select, literal_column, literal
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from ..schema import Table, Column
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class LastrowidTest(fixtures.TablesTest):
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run_deletes = 'each'
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__backend__ = True
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__requires__ = 'implements_get_lastrowid', 'autoincrement_insert'
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__engine_options__ = {"implicit_returning": False}
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@classmethod
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def define_tables(cls, metadata):
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Table('autoinc_pk', metadata,
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Column('id', Integer, primary_key=True,
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test_needs_autoincrement=True),
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Column('data', String(50))
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)
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Table('manual_pk', metadata,
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Column('id', Integer, primary_key=True, autoincrement=False),
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Column('data', String(50))
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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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(config.db.dialect.default_sequence_base, "some data")
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)
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def test_autoincrement_on_insert(self):
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config.db.execute(
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self.tables.autoinc_pk.insert(),
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data="some data"
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)
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self._assert_round_trip(self.tables.autoinc_pk, config.db)
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def test_last_inserted_id(self):
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r = config.db.execute(
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self.tables.autoinc_pk.insert(),
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data="some data"
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)
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pk = config.db.scalar(select([self.tables.autoinc_pk.c.id]))
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eq_(
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r.inserted_primary_key,
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[pk]
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)
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# failed on pypy1.9 but seems to be OK on pypy 2.1
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# @exclusions.fails_if(lambda: util.pypy,
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# "lastrowid not maintained after "
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# "connection close")
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@requirements.dbapi_lastrowid
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def test_native_lastrowid_autoinc(self):
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r = config.db.execute(
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self.tables.autoinc_pk.insert(),
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data="some data"
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)
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lastrowid = r.lastrowid
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pk = config.db.scalar(select([self.tables.autoinc_pk.c.id]))
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eq_(
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lastrowid, pk
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)
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class InsertBehaviorTest(fixtures.TablesTest):
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run_deletes = 'each'
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__backend__ = True
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@classmethod
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def define_tables(cls, metadata):
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Table('autoinc_pk', metadata,
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Column('id', Integer, primary_key=True,
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test_needs_autoincrement=True),
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Column('data', String(50))
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)
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Table('manual_pk', metadata,
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Column('id', Integer, primary_key=True, autoincrement=False),
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Column('data', String(50))
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)
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Table('includes_defaults', metadata,
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Column('id', Integer, primary_key=True,
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test_needs_autoincrement=True),
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Column('data', String(50)),
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Column('x', Integer, default=5),
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Column('y', Integer,
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default=literal_column("2", type_=Integer) + literal(2)))
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def test_autoclose_on_insert(self):
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if requirements.returning.enabled:
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engine = engines.testing_engine(
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options={'implicit_returning': False})
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else:
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engine = config.db
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r = engine.execute(
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self.tables.autoinc_pk.insert(),
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data="some data"
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)
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assert r._soft_closed
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assert not r.closed
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assert r.is_insert
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assert not r.returns_rows
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@requirements.returning
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def test_autoclose_on_insert_implicit_returning(self):
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r = config.db.execute(
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self.tables.autoinc_pk.insert(),
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data="some data"
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)
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assert r._soft_closed
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assert not r.closed
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assert r.is_insert
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assert not r.returns_rows
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@requirements.empty_inserts
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def test_empty_insert(self):
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r = config.db.execute(
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self.tables.autoinc_pk.insert(),
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)
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assert r._soft_closed
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assert not r.closed
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r = config.db.execute(
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self.tables.autoinc_pk.select().
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where(self.tables.autoinc_pk.c.id != None)
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)
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assert len(r.fetchall())
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@requirements.insert_from_select
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def test_insert_from_select_autoinc(self):
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src_table = self.tables.manual_pk
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dest_table = self.tables.autoinc_pk
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config.db.execute(
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src_table.insert(),
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[
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dict(id=1, data="data1"),
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dict(id=2, data="data2"),
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dict(id=3, data="data3"),
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]
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)
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result = config.db.execute(
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dest_table.insert().
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from_select(
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("data",),
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select([src_table.c.data]).
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where(src_table.c.data.in_(["data2", "data3"]))
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)
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)
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eq_(result.inserted_primary_key, [None])
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result = config.db.execute(
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select([dest_table.c.data]).order_by(dest_table.c.data)
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)
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eq_(result.fetchall(), [("data2", ), ("data3", )])
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@requirements.insert_from_select
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def test_insert_from_select_autoinc_no_rows(self):
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src_table = self.tables.manual_pk
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dest_table = self.tables.autoinc_pk
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result = config.db.execute(
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dest_table.insert().
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from_select(
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("data",),
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select([src_table.c.data]).
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where(src_table.c.data.in_(["data2", "data3"]))
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)
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)
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eq_(result.inserted_primary_key, [None])
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result = config.db.execute(
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select([dest_table.c.data]).order_by(dest_table.c.data)
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)
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eq_(result.fetchall(), [])
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@requirements.insert_from_select
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def test_insert_from_select(self):
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table = self.tables.manual_pk
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config.db.execute(
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table.insert(),
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[
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dict(id=1, data="data1"),
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dict(id=2, data="data2"),
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dict(id=3, data="data3"),
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]
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)
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config.db.execute(
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table.insert(inline=True).
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from_select(("id", "data",),
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select([table.c.id + 5, table.c.data]).
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where(table.c.data.in_(["data2", "data3"]))
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),
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)
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eq_(
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config.db.execute(
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select([table.c.data]).order_by(table.c.data)
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).fetchall(),
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[("data1", ), ("data2", ), ("data2", ),
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("data3", ), ("data3", )]
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)
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@requirements.insert_from_select
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def test_insert_from_select_with_defaults(self):
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table = self.tables.includes_defaults
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config.db.execute(
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table.insert(),
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[
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dict(id=1, data="data1"),
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dict(id=2, data="data2"),
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dict(id=3, data="data3"),
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]
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)
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config.db.execute(
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table.insert(inline=True).
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from_select(("id", "data",),
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select([table.c.id + 5, table.c.data]).
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where(table.c.data.in_(["data2", "data3"]))
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),
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)
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eq_(
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config.db.execute(
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select([table]).order_by(table.c.data, table.c.id)
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).fetchall(),
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[(1, 'data1', 5, 4), (2, 'data2', 5, 4),
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(7, 'data2', 5, 4), (3, 'data3', 5, 4), (8, 'data3', 5, 4)]
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)
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class ReturningTest(fixtures.TablesTest):
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run_create_tables = 'each'
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__requires__ = 'returning', 'autoincrement_insert'
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__backend__ = True
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__engine_options__ = {"implicit_returning": True}
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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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(config.db.dialect.default_sequence_base, "some data")
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)
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@classmethod
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def define_tables(cls, metadata):
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Table('autoinc_pk', metadata,
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Column('id', Integer, primary_key=True,
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test_needs_autoincrement=True),
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Column('data', String(50))
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)
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@requirements.fetch_rows_post_commit
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def test_explicit_returning_pk_autocommit(self):
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engine = config.db
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table = self.tables.autoinc_pk
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r = engine.execute(
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table.insert().returning(
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table.c.id),
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data="some data"
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)
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pk = r.first()[0]
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fetched_pk = config.db.scalar(select([table.c.id]))
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eq_(fetched_pk, pk)
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def test_explicit_returning_pk_no_autocommit(self):
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engine = config.db
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table = self.tables.autoinc_pk
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with engine.begin() as conn:
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r = conn.execute(
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table.insert().returning(
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table.c.id),
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data="some data"
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)
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pk = r.first()[0]
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fetched_pk = config.db.scalar(select([table.c.id]))
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eq_(fetched_pk, pk)
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def test_autoincrement_on_insert_implcit_returning(self):
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config.db.execute(
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self.tables.autoinc_pk.insert(),
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data="some data"
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)
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self._assert_round_trip(self.tables.autoinc_pk, config.db)
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def test_last_inserted_id_implicit_returning(self):
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r = config.db.execute(
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self.tables.autoinc_pk.insert(),
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data="some data"
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)
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pk = config.db.scalar(select([self.tables.autoinc_pk.c.id]))
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eq_(
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r.inserted_primary_key,
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[pk]
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)
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__all__ = ('LastrowidTest', 'InsertBehaviorTest', 'ReturningTest')
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