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368 lines
11 KiB
368 lines
11 KiB
from .. import config
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from .. import engines
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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 literal
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from ... import literal_column
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from ... import select
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from ... import String
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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(
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"autoinc_pk",
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metadata,
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Column(
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"id", Integer, primary_key=True, test_needs_autoincrement=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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"manual_pk",
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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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(
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conn.dialect.default_sequence_base,
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"some data",
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),
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)
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def test_autoincrement_on_insert(self, connection):
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connection.execute(
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self.tables.autoinc_pk.insert(), dict(data="some data")
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)
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self._assert_round_trip(self.tables.autoinc_pk, connection)
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def test_last_inserted_id(self, connection):
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r = connection.execute(
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self.tables.autoinc_pk.insert(), dict(data="some data")
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)
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pk = connection.scalar(select(self.tables.autoinc_pk.c.id))
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eq_(r.inserted_primary_key, (pk,))
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@requirements.dbapi_lastrowid
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def test_native_lastrowid_autoinc(self, connection):
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r = connection.execute(
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self.tables.autoinc_pk.insert(), dict(data="some data")
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)
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lastrowid = r.lastrowid
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pk = connection.scalar(select(self.tables.autoinc_pk.c.id))
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eq_(lastrowid, pk)
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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(
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"autoinc_pk",
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metadata,
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Column(
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"id", Integer, primary_key=True, test_needs_autoincrement=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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"manual_pk",
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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(
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"includes_defaults",
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metadata,
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Column(
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"id", Integer, primary_key=True, test_needs_autoincrement=True
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),
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Column("data", String(50)),
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Column("x", Integer, default=5),
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Column(
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"y",
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Integer,
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default=literal_column("2", type_=Integer) + literal(2),
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),
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)
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@requirements.autoincrement_insert
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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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)
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else:
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engine = config.db
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with engine.begin() as conn:
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r = conn.execute(
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self.tables.autoinc_pk.insert(), dict(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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# new as of I8091919d45421e3f53029b8660427f844fee0228; for the moment
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# an insert where the PK was taken from a row that the dialect
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# selected, as is the case for mssql/pyodbc, will still report
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# returns_rows as true because there's a cursor description. in that
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# case, the row had to have been consumed at least.
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assert not r.returns_rows or r.fetchone() is None
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@requirements.returning
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def test_autoclose_on_insert_implicit_returning(self, connection):
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r = connection.execute(
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self.tables.autoinc_pk.insert(), dict(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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# note we are experimenting with having this be True
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# as of I8091919d45421e3f53029b8660427f844fee0228 .
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# implicit returning has fetched the row, but it still is a
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# "returns rows"
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assert r.returns_rows
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# and we should be able to fetchone() on it, we just get no row
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eq_(r.fetchone(), None)
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# and the keys, etc.
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eq_(r.keys(), ["id"])
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# but the dialect took in the row already. not really sure
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# what the best behavior is.
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@requirements.empty_inserts
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def test_empty_insert(self, connection):
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r = connection.execute(self.tables.autoinc_pk.insert())
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assert r._soft_closed
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assert not r.closed
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r = connection.execute(
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self.tables.autoinc_pk.select().where(
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self.tables.autoinc_pk.c.id != None
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)
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)
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eq_(len(r.all()), 1)
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@requirements.empty_inserts_executemany
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def test_empty_insert_multiple(self, connection):
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r = connection.execute(self.tables.autoinc_pk.insert(), [{}, {}, {}])
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assert r._soft_closed
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assert not r.closed
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r = connection.execute(
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self.tables.autoinc_pk.select().where(
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self.tables.autoinc_pk.c.id != None
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)
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)
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eq_(len(r.all()), 3)
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@requirements.insert_from_select
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def test_insert_from_select_autoinc(self, connection):
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src_table = self.tables.manual_pk
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dest_table = self.tables.autoinc_pk
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connection.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 = connection.execute(
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dest_table.insert().from_select(
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("data",),
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select(src_table.c.data).where(
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src_table.c.data.in_(["data2", "data3"])
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),
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)
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)
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eq_(result.inserted_primary_key, (None,))
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result = connection.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, connection):
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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 = connection.execute(
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dest_table.insert().from_select(
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("data",),
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select(src_table.c.data).where(
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src_table.c.data.in_(["data2", "data3"])
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),
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)
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)
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eq_(result.inserted_primary_key, (None,))
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result = connection.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, connection):
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table = self.tables.manual_pk
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connection.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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connection.execute(
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table.insert()
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.inline()
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.from_select(
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("id", "data"),
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select(table.c.id + 5, table.c.data).where(
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table.c.data.in_(["data2", "data3"])
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),
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)
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)
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eq_(
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connection.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",), ("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, connection):
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table = self.tables.includes_defaults
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connection.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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connection.execute(
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table.insert()
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.inline()
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.from_select(
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("id", "data"),
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select(table.c.id + 5, table.c.data).where(
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table.c.data.in_(["data2", "data3"])
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),
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)
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)
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eq_(
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connection.execute(
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select(table).order_by(table.c.data, table.c.id)
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).fetchall(),
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[
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(1, "data1", 5, 4),
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(2, "data2", 5, 4),
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(7, "data2", 5, 4),
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(3, "data3", 5, 4),
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(8, "data3", 5, 4),
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],
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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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(
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conn.dialect.default_sequence_base,
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"some data",
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),
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)
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@classmethod
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def define_tables(cls, metadata):
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Table(
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"autoinc_pk",
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metadata,
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Column(
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"id", Integer, primary_key=True, test_needs_autoincrement=True
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),
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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, connection):
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table = self.tables.autoinc_pk
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r = connection.execute(
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table.insert().returning(table.c.id), dict(data="some data")
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)
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pk = r.first()[0]
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fetched_pk = connection.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, connection):
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table = self.tables.autoinc_pk
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r = connection.execute(
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table.insert().returning(table.c.id), dict(data="some data")
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)
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pk = r.first()[0]
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fetched_pk = connection.scalar(select(table.c.id))
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eq_(fetched_pk, pk)
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def test_autoincrement_on_insert_implicit_returning(self, connection):
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connection.execute(
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self.tables.autoinc_pk.insert(), dict(data="some data")
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)
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self._assert_round_trip(self.tables.autoinc_pk, connection)
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def test_last_inserted_id_implicit_returning(self, connection):
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r = connection.execute(
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self.tables.autoinc_pk.insert(), dict(data="some data")
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)
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pk = connection.scalar(select(self.tables.autoinc_pk.c.id))
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eq_(r.inserted_primary_key, (pk,))
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__all__ = ("LastrowidTest", "InsertBehaviorTest", "ReturningTest")
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