| Viewing file:  test_insert.py (7.94 KB)      -rw-r--r-- Select action/file-type:
 
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from .. import fixtures, configfrom ..config import requirements
 from .. import exclusions
 from ..assertions import eq_
 from .. import engines
 
 from sqlalchemy import Integer, String, select, literal_column, literal
 
 from ..schema import Table, Column
 
 
 class LastrowidTest(fixtures.TablesTest):
 run_deletes = 'each'
 
 __backend__ = True
 
 __requires__ = 'implements_get_lastrowid', 'autoincrement_insert'
 
 __engine_options__ = {"implicit_returning": False}
 
 @classmethod
 def define_tables(cls, metadata):
 Table('autoinc_pk', metadata,
 Column('id', Integer, primary_key=True,
 test_needs_autoincrement=True),
 Column('data', String(50))
 )
 
 Table('manual_pk', metadata,
 Column('id', Integer, primary_key=True, autoincrement=False),
 Column('data', String(50))
 )
 
 def _assert_round_trip(self, table, conn):
 row = conn.execute(table.select()).first()
 eq_(
 row,
 (config.db.dialect.default_sequence_base, "some data")
 )
 
 def test_autoincrement_on_insert(self):
 
 config.db.execute(
 self.tables.autoinc_pk.insert(),
 data="some data"
 )
 self._assert_round_trip(self.tables.autoinc_pk, config.db)
 
 def test_last_inserted_id(self):
 
 r = config.db.execute(
 self.tables.autoinc_pk.insert(),
 data="some data"
 )
 pk = config.db.scalar(select([self.tables.autoinc_pk.c.id]))
 eq_(
 r.inserted_primary_key,
 [pk]
 )
 
 # failed on pypy1.9 but seems to be OK on pypy 2.1
 # @exclusions.fails_if(lambda: util.pypy,
 #                      "lastrowid not maintained after "
 #                      "connection close")
 @requirements.dbapi_lastrowid
 def test_native_lastrowid_autoinc(self):
 r = config.db.execute(
 self.tables.autoinc_pk.insert(),
 data="some data"
 )
 lastrowid = r.lastrowid
 pk = config.db.scalar(select([self.tables.autoinc_pk.c.id]))
 eq_(
 lastrowid, pk
 )
 
 
 class InsertBehaviorTest(fixtures.TablesTest):
 run_deletes = 'each'
 __backend__ = True
 
 @classmethod
 def define_tables(cls, metadata):
 Table('autoinc_pk', metadata,
 Column('id', Integer, primary_key=True,
 test_needs_autoincrement=True),
 Column('data', String(50))
 )
 Table('manual_pk', metadata,
 Column('id', Integer, primary_key=True, autoincrement=False),
 Column('data', String(50))
 )
 Table('includes_defaults', metadata,
 Column('id', Integer, primary_key=True,
 test_needs_autoincrement=True),
 Column('data', String(50)),
 Column('x', Integer, default=5),
 Column('y', Integer,
 default=literal_column("2", type_=Integer) + literal(2)))
 
 def test_autoclose_on_insert(self):
 if requirements.returning.enabled:
 engine = engines.testing_engine(
 options={'implicit_returning': False})
 else:
 engine = config.db
 
 r = engine.execute(
 self.tables.autoinc_pk.insert(),
 data="some data"
 )
 assert r._soft_closed
 assert not r.closed
 assert r.is_insert
 assert not r.returns_rows
 
 @requirements.returning
 def test_autoclose_on_insert_implicit_returning(self):
 r = config.db.execute(
 self.tables.autoinc_pk.insert(),
 data="some data"
 )
 assert r._soft_closed
 assert not r.closed
 assert r.is_insert
 assert not r.returns_rows
 
 @requirements.empty_inserts
 def test_empty_insert(self):
 r = config.db.execute(
 self.tables.autoinc_pk.insert(),
 )
 assert r._soft_closed
 assert not r.closed
 
 r = config.db.execute(
 self.tables.autoinc_pk.select().
 where(self.tables.autoinc_pk.c.id != None)
 )
 
 assert len(r.fetchall())
 
 @requirements.insert_from_select
 def test_insert_from_select(self):
 table = self.tables.manual_pk
 config.db.execute(
 table.insert(),
 [
 dict(id=1, data="data1"),
 dict(id=2, data="data2"),
 dict(id=3, data="data3"),
 ]
 )
 
 config.db.execute(
 table.insert(inline=True).
 from_select(("id", "data",),
 select([table.c.id + 5, table.c.data]).
 where(table.c.data.in_(["data2", "data3"]))
 ),
 )
 
 eq_(
 config.db.execute(
 select([table.c.data]).order_by(table.c.data)
 ).fetchall(),
 [("data1", ), ("data2", ), ("data2", ),
 ("data3", ), ("data3", )]
 )
 
 @requirements.insert_from_select
 def test_insert_from_select_with_defaults(self):
 table = self.tables.includes_defaults
 config.db.execute(
 table.insert(),
 [
 dict(id=1, data="data1"),
 dict(id=2, data="data2"),
 dict(id=3, data="data3"),
 ]
 )
 
 config.db.execute(
 table.insert(inline=True).
 from_select(("id", "data",),
 select([table.c.id + 5, table.c.data]).
 where(table.c.data.in_(["data2", "data3"]))
 ),
 )
 
 eq_(
 config.db.execute(
 select([table]).order_by(table.c.data, table.c.id)
 ).fetchall(),
 [(1, 'data1', 5, 4), (2, 'data2', 5, 4),
 (7, 'data2', 5, 4), (3, 'data3', 5, 4), (8, 'data3', 5, 4)]
 )
 
 
 class ReturningTest(fixtures.TablesTest):
 run_create_tables = 'each'
 __requires__ = 'returning', 'autoincrement_insert'
 __backend__ = True
 
 __engine_options__ = {"implicit_returning": True}
 
 def _assert_round_trip(self, table, conn):
 row = conn.execute(table.select()).first()
 eq_(
 row,
 (config.db.dialect.default_sequence_base, "some data")
 )
 
 @classmethod
 def define_tables(cls, metadata):
 Table('autoinc_pk', metadata,
 Column('id', Integer, primary_key=True,
 test_needs_autoincrement=True),
 Column('data', String(50))
 )
 
 @requirements.fetch_rows_post_commit
 def test_explicit_returning_pk_autocommit(self):
 engine = config.db
 table = self.tables.autoinc_pk
 r = engine.execute(
 table.insert().returning(
 table.c.id),
 data="some data"
 )
 pk = r.first()[0]
 fetched_pk = config.db.scalar(select([table.c.id]))
 eq_(fetched_pk, pk)
 
 def test_explicit_returning_pk_no_autocommit(self):
 engine = config.db
 table = self.tables.autoinc_pk
 with engine.begin() as conn:
 r = conn.execute(
 table.insert().returning(
 table.c.id),
 data="some data"
 )
 pk = r.first()[0]
 fetched_pk = config.db.scalar(select([table.c.id]))
 eq_(fetched_pk, pk)
 
 def test_autoincrement_on_insert_implcit_returning(self):
 
 config.db.execute(
 self.tables.autoinc_pk.insert(),
 data="some data"
 )
 self._assert_round_trip(self.tables.autoinc_pk, config.db)
 
 def test_last_inserted_id_implicit_returning(self):
 
 r = config.db.execute(
 self.tables.autoinc_pk.insert(),
 data="some data"
 )
 pk = config.db.scalar(select([self.tables.autoinc_pk.c.id]))
 eq_(
 r.inserted_primary_key,
 [pk]
 )
 
 
 __all__ = ('LastrowidTest', 'InsertBehaviorTest', 'ReturningTest')
 
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