mirror of
https://github.com/sqlalchemy/sqlalchemy.git
synced 2026-05-15 21:27:23 -04:00
Mike Bayer
1005 lines
36 KiB
Python
1005 lines
36 KiB
Python
from test.lib.testing import eq_, assert_raises, assert_raises_message, config
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import re
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from sqlalchemy.interfaces import ConnectionProxy
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from sqlalchemy import MetaData, Integer, String, INT, VARCHAR, func, \
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bindparam, select, event, TypeDecorator, create_engine
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from sqlalchemy.sql import column, literal
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from test.lib.schema import Table, Column
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import sqlalchemy as tsa
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from test.lib import testing, engines
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import logging
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from sqlalchemy.dialects.oracle.zxjdbc import ReturningParam
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from sqlalchemy.engine import base, default
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from sqlalchemy.engine.base import Connection, Engine
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from test.lib import fixtures
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users, metadata = None, None
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class ExecuteTest(fixtures.TestBase):
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@classmethod
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def setup_class(cls):
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global users, users_autoinc, metadata
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metadata = MetaData(testing.db)
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users = Table('users', metadata,
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Column('user_id', INT, primary_key = True, autoincrement=False),
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Column('user_name', VARCHAR(20)),
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)
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users_autoinc = Table('users_autoinc', metadata,
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Column('user_id', INT, primary_key = True,
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test_needs_autoincrement=True),
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Column('user_name', VARCHAR(20)),
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)
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metadata.create_all()
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@engines.close_first
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def teardown(self):
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testing.db.execute(users.delete())
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@classmethod
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def teardown_class(cls):
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metadata.drop_all()
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@testing.fails_on_everything_except('firebird', 'maxdb',
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'sqlite', '+pyodbc',
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'+mxodbc', '+zxjdbc', 'mysql+oursql',
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'informix+informixdb')
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def test_raw_qmark(self):
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def go(conn):
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conn.execute('insert into users (user_id, user_name) '
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'values (?, ?)', (1, 'jack'))
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conn.execute('insert into users (user_id, user_name) '
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'values (?, ?)', [2, 'fred'])
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conn.execute('insert into users (user_id, user_name) '
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'values (?, ?)', [3, 'ed'], [4, 'horse'])
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conn.execute('insert into users (user_id, user_name) '
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'values (?, ?)', (5, 'barney'), (6, 'donkey'))
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conn.execute('insert into users (user_id, user_name) '
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'values (?, ?)', 7, 'sally')
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res = conn.execute('select * from users order by user_id')
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assert res.fetchall() == [
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(1, 'jack'),
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(2, 'fred'),
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(3, 'ed'),
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(4, 'horse'),
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(5, 'barney'),
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(6, 'donkey'),
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(7, 'sally'),
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]
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conn.execute('delete from users')
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go(testing.db)
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conn = testing.db.connect()
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try:
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go(conn)
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finally:
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conn.close()
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# some psycopg2 versions bomb this.
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@testing.fails_on_everything_except('mysql+mysqldb', 'mysql+pymysql',
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'mysql+mysqlconnector', 'postgresql')
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@testing.fails_on('postgresql+zxjdbc', 'sprintf not supported')
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def test_raw_sprintf(self):
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def go(conn):
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conn.execute('insert into users (user_id, user_name) '
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'values (%s, %s)', [1, 'jack'])
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conn.execute('insert into users (user_id, user_name) '
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'values (%s, %s)', [2, 'ed'], [3, 'horse'])
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conn.execute('insert into users (user_id, user_name) '
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'values (%s, %s)', 4, 'sally')
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conn.execute('insert into users (user_id) values (%s)', 5)
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res = conn.execute('select * from users order by user_id')
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assert res.fetchall() == [(1, 'jack'), (2, 'ed'), (3,
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'horse'), (4, 'sally'), (5, None)]
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conn.execute('delete from users')
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go(testing.db)
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conn = testing.db.connect()
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try:
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go(conn)
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finally:
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conn.close()
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# pyformat is supported for mysql, but skipping because a few driver
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# versions have a bug that bombs out on this test. (1.2.2b3,
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# 1.2.2c1, 1.2.2)
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@testing.skip_if(lambda : testing.against('mysql+mysqldb'),
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'db-api flaky')
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@testing.fails_on_everything_except('postgresql+psycopg2',
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'postgresql+pypostgresql', 'mysql+mysqlconnector',
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'mysql+pymysql')
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def test_raw_python(self):
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def go(conn):
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conn.execute('insert into users (user_id, user_name) '
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'values (%(id)s, %(name)s)', {'id': 1, 'name'
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: 'jack'})
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conn.execute('insert into users (user_id, user_name) '
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'values (%(id)s, %(name)s)', {'id': 2, 'name'
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: 'ed'}, {'id': 3, 'name': 'horse'})
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conn.execute('insert into users (user_id, user_name) '
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'values (%(id)s, %(name)s)', id=4, name='sally'
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)
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res = conn.execute('select * from users order by user_id')
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assert res.fetchall() == [(1, 'jack'), (2, 'ed'), (3,
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'horse'), (4, 'sally')]
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conn.execute('delete from users')
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go(testing.db)
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conn = testing.db.connect()
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try:
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go(conn)
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finally:
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conn.close()
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@testing.fails_on_everything_except('sqlite', 'oracle+cx_oracle', 'informix+informixdb')
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def test_raw_named(self):
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def go(conn):
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conn.execute('insert into users (user_id, user_name) '
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'values (:id, :name)', {'id': 1, 'name': 'jack'
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})
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conn.execute('insert into users (user_id, user_name) '
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'values (:id, :name)', {'id': 2, 'name': 'ed'
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}, {'id': 3, 'name': 'horse'})
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conn.execute('insert into users (user_id, user_name) '
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'values (:id, :name)', id=4, name='sally')
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res = conn.execute('select * from users order by user_id')
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assert res.fetchall() == [(1, 'jack'), (2, 'ed'), (3,
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'horse'), (4, 'sally')]
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conn.execute('delete from users')
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go(testing.db)
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conn= testing.db.connect()
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try:
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go(conn)
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finally:
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conn.close()
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def test_exception_wrapping_dbapi(self):
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def go(conn):
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assert_raises_message(
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tsa.exc.DBAPIError,
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r"not_a_valid_statement",
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conn.execute, 'not_a_valid_statement'
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)
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go(testing.db)
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conn = testing.db.connect()
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try:
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go(conn)
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finally:
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conn.close()
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def test_exception_wrapping_non_dbapi_statement(self):
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class MyType(TypeDecorator):
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impl = Integer
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def process_bind_param(self, value, dialect):
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raise Exception("nope")
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def _go(conn):
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assert_raises_message(
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tsa.exc.StatementError,
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"nope 'SELECT 1 ",
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conn.execute,
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select([1]).\
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where(
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column('foo') == literal('bar', MyType())
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)
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)
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_go(testing.db)
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conn = testing.db.connect()
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try:
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_go(conn)
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finally:
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conn.close()
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def test_empty_insert(self):
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"""test that execute() interprets [] as a list with no params"""
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result = \
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testing.db.execute(users_autoinc.insert().
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values(user_name=bindparam('name')), [])
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eq_(testing.db.execute(users_autoinc.select()).fetchall(), [(1,
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None)])
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def test_engine_level_options(self):
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eng = engines.testing_engine(options={'execution_options'
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: {'foo': 'bar'}})
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conn = eng.contextual_connect()
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eq_(conn._execution_options['foo'], 'bar')
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eq_(conn.execution_options(bat='hoho')._execution_options['foo'
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], 'bar')
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eq_(conn.execution_options(bat='hoho')._execution_options['bat'
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], 'hoho')
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eq_(conn.execution_options(foo='hoho')._execution_options['foo'
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], 'hoho')
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eng.update_execution_options(foo='hoho')
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conn = eng.contextual_connect()
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eq_(conn._execution_options['foo'], 'hoho')
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class CompiledCacheTest(fixtures.TestBase):
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@classmethod
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def setup_class(cls):
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global users, metadata
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metadata = MetaData(testing.db)
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users = Table('users', metadata,
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Column('user_id', INT, primary_key=True,
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test_needs_autoincrement=True),
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Column('user_name', VARCHAR(20)),
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)
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metadata.create_all()
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@engines.close_first
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def teardown(self):
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testing.db.execute(users.delete())
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@classmethod
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def teardown_class(cls):
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metadata.drop_all()
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def test_cache(self):
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conn = testing.db.connect()
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cache = {}
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cached_conn = conn.execution_options(compiled_cache=cache)
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ins = users.insert()
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cached_conn.execute(ins, {'user_name':'u1'})
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cached_conn.execute(ins, {'user_name':'u2'})
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cached_conn.execute(ins, {'user_name':'u3'})
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assert len(cache) == 1
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eq_(conn.execute("select count(*) from users").scalar(), 3)
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class LoggingNameTest(fixtures.TestBase):
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def _assert_names_in_execute(self, eng, eng_name, pool_name):
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eng.execute(select([1]))
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for name in [b.name for b in self.buf.buffer]:
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assert name in (
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'sqlalchemy.engine.base.Engine.%s' % eng_name,
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'sqlalchemy.pool.%s.%s' %
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(eng.pool.__class__.__name__, pool_name)
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)
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def _assert_no_name_in_execute(self, eng):
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eng.execute(select([1]))
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for name in [b.name for b in self.buf.buffer]:
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assert name in (
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'sqlalchemy.engine.base.Engine',
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'sqlalchemy.pool.%s' % eng.pool.__class__.__name__
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)
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def _named_engine(self, **kw):
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options = {
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'logging_name':'myenginename',
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'pool_logging_name':'mypoolname'
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}
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options.update(kw)
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return engines.testing_engine(options=options)
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def _unnamed_engine(self, **kw):
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return engines.testing_engine(options=kw)
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def setup(self):
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self.buf = logging.handlers.BufferingHandler(100)
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for log in [
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logging.getLogger('sqlalchemy.engine'),
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logging.getLogger('sqlalchemy.pool')
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]:
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log.addHandler(self.buf)
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def teardown(self):
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for log in [
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logging.getLogger('sqlalchemy.engine'),
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logging.getLogger('sqlalchemy.pool')
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]:
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log.removeHandler(self.buf)
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def test_named_logger_names(self):
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eng = self._named_engine()
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eq_(eng.logging_name, "myenginename")
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eq_(eng.pool.logging_name, "mypoolname")
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def test_named_logger_names_after_dispose(self):
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eng = self._named_engine()
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eng.execute(select([1]))
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eng.dispose()
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eq_(eng.logging_name, "myenginename")
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eq_(eng.pool.logging_name, "mypoolname")
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def test_unnamed_logger_names(self):
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eng = self._unnamed_engine()
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eq_(eng.logging_name, None)
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eq_(eng.pool.logging_name, None)
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def test_named_logger_execute(self):
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eng = self._named_engine()
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self._assert_names_in_execute(eng, "myenginename", "mypoolname")
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def test_named_logger_echoflags_execute(self):
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eng = self._named_engine(echo='debug', echo_pool='debug')
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self._assert_names_in_execute(eng, "myenginename", "mypoolname")
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def test_named_logger_execute_after_dispose(self):
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eng = self._named_engine()
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eng.execute(select([1]))
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eng.dispose()
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self._assert_names_in_execute(eng, "myenginename", "mypoolname")
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def test_unnamed_logger_execute(self):
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eng = self._unnamed_engine()
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self._assert_no_name_in_execute(eng)
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def test_unnamed_logger_echoflags_execute(self):
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eng = self._unnamed_engine(echo='debug', echo_pool='debug')
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self._assert_no_name_in_execute(eng)
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class EchoTest(fixtures.TestBase):
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def setup(self):
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self.level = logging.getLogger('sqlalchemy.engine').level
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logging.getLogger('sqlalchemy.engine').setLevel(logging.WARN)
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self.buf = logging.handlers.BufferingHandler(100)
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logging.getLogger('sqlalchemy.engine').addHandler(self.buf)
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def teardown(self):
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logging.getLogger('sqlalchemy.engine').removeHandler(self.buf)
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logging.getLogger('sqlalchemy.engine').setLevel(self.level)
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def testing_engine(self):
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e = engines.testing_engine()
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# do an initial execute to clear out 'first connect'
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# messages
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e.execute(select([10])).close()
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self.buf.flush()
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return e
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def test_levels(self):
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e1 = engines.testing_engine()
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eq_(e1._should_log_info(), False)
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eq_(e1._should_log_debug(), False)
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eq_(e1.logger.isEnabledFor(logging.INFO), False)
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eq_(e1.logger.getEffectiveLevel(), logging.WARN)
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e1.echo = True
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eq_(e1._should_log_info(), True)
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eq_(e1._should_log_debug(), False)
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eq_(e1.logger.isEnabledFor(logging.INFO), True)
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eq_(e1.logger.getEffectiveLevel(), logging.INFO)
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e1.echo = 'debug'
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eq_(e1._should_log_info(), True)
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eq_(e1._should_log_debug(), True)
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eq_(e1.logger.isEnabledFor(logging.DEBUG), True)
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eq_(e1.logger.getEffectiveLevel(), logging.DEBUG)
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e1.echo = False
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eq_(e1._should_log_info(), False)
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eq_(e1._should_log_debug(), False)
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eq_(e1.logger.isEnabledFor(logging.INFO), False)
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eq_(e1.logger.getEffectiveLevel(), logging.WARN)
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def test_echo_flag_independence(self):
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"""test the echo flag's independence to a specific engine."""
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e1 = self.testing_engine()
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e2 = self.testing_engine()
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e1.echo = True
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e1.execute(select([1])).close()
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e2.execute(select([2])).close()
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e1.echo = False
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e1.execute(select([3])).close()
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e2.execute(select([4])).close()
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e2.echo = True
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e1.execute(select([5])).close()
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e2.execute(select([6])).close()
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assert self.buf.buffer[0].getMessage().startswith("SELECT 1")
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assert self.buf.buffer[2].getMessage().startswith("SELECT 6")
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assert len(self.buf.buffer) == 4
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class ResultProxyTest(fixtures.TestBase):
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def test_nontuple_row(self):
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"""ensure the C version of BaseRowProxy handles
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duck-type-dependent rows."""
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from sqlalchemy.engine import RowProxy
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class MyList(object):
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def __init__(self, l):
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self.l = l
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def __len__(self):
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return len(self.l)
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def __getitem__(self, i):
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return list.__getitem__(self.l, i)
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proxy = RowProxy(object(), MyList(['value']), [None], {'key'
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: (None, 0), 0: (None, 0)})
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eq_(list(proxy), ['value'])
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eq_(proxy[0], 'value')
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eq_(proxy['key'], 'value')
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@testing.provide_metadata
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def test_no_rowcount_on_selects_inserts(self):
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"""assert that rowcount is only called on deletes and updates.
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This because cursor.rowcount can be expensive on some dialects
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such as Firebird.
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"""
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metadata = self.metadata
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engine = engines.testing_engine()
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metadata.bind = engine
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t = Table('t1', metadata,
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Column('data', String(10))
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)
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metadata.create_all()
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class BreakRowcountMixin(object):
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@property
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def rowcount(self):
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assert False
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execution_ctx_cls = engine.dialect.execution_ctx_cls
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engine.dialect.execution_ctx_cls = type("FakeCtx",
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(BreakRowcountMixin,
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execution_ctx_cls),
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{})
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try:
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r = t.insert().execute({'data': 'd1'}, {'data': 'd2'},
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{'data': 'd3'})
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eq_(t.select().execute().fetchall(), [('d1', ), ('d2', ),
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('d3', )])
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assert_raises(AssertionError, t.update().execute, {'data'
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: 'd4'})
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assert_raises(AssertionError, t.delete().execute)
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finally:
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engine.dialect.execution_ctx_cls = execution_ctx_cls
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@testing.requires.python26
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def test_rowproxy_is_sequence(self):
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import collections
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from sqlalchemy.engine import RowProxy
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row = RowProxy(object(), ['value'], [None], {'key'
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: (None, 0), 0: (None, 0)})
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assert isinstance(row, collections.Sequence)
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@testing.requires.cextensions
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def test_row_c_sequence_check(self):
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import csv
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import collections
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from StringIO import StringIO
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metadata = MetaData()
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metadata.bind = 'sqlite://'
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users = Table('users', metadata,
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Column('id', Integer, primary_key=True),
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Column('name', String(40)),
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)
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users.create()
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users.insert().execute(name='Test')
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row = users.select().execute().fetchone()
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s = StringIO()
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writer = csv.writer(s)
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# csv performs PySequenceCheck call
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writer.writerow(row)
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assert s.getvalue().strip() == '1,Test'
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class AlternateResultProxyTest(fixtures.TestBase):
|
|
__requires__ = ('sqlite', )
|
|
|
|
@classmethod
|
|
def setup_class(cls):
|
|
from sqlalchemy.engine import base, create_engine, default
|
|
cls.engine = engine = create_engine('sqlite://')
|
|
m = MetaData()
|
|
cls.table = t = Table('test', m,
|
|
Column('x', Integer, primary_key=True),
|
|
Column('y', String(50, convert_unicode='force'))
|
|
)
|
|
m.create_all(engine)
|
|
engine.execute(t.insert(), [
|
|
{'x':i, 'y':"t_%d" % i} for i in xrange(1, 12)
|
|
])
|
|
|
|
def _test_proxy(self, cls):
|
|
class ExcCtx(default.DefaultExecutionContext):
|
|
def get_result_proxy(self):
|
|
return cls(self)
|
|
self.engine.dialect.execution_ctx_cls = ExcCtx
|
|
rows = []
|
|
r = self.engine.execute(select([self.table]))
|
|
assert isinstance(r, cls)
|
|
for i in range(5):
|
|
rows.append(r.fetchone())
|
|
eq_(rows, [(i, "t_%d" % i) for i in xrange(1, 6)])
|
|
|
|
rows = r.fetchmany(3)
|
|
eq_(rows, [(i, "t_%d" % i) for i in xrange(6, 9)])
|
|
|
|
rows = r.fetchall()
|
|
eq_(rows, [(i, "t_%d" % i) for i in xrange(9, 12)])
|
|
|
|
r = self.engine.execute(select([self.table]))
|
|
rows = r.fetchmany(None)
|
|
eq_(rows[0], (1, "t_1"))
|
|
# number of rows here could be one, or the whole thing
|
|
assert len(rows) == 1 or len(rows) == 11
|
|
|
|
r = self.engine.execute(select([self.table]).limit(1))
|
|
r.fetchone()
|
|
eq_(r.fetchone(), None)
|
|
|
|
r = self.engine.execute(select([self.table]).limit(5))
|
|
rows = r.fetchmany(6)
|
|
eq_(rows, [(i, "t_%d" % i) for i in xrange(1, 6)])
|
|
|
|
def test_plain(self):
|
|
self._test_proxy(base.ResultProxy)
|
|
|
|
def test_buffered_row_result_proxy(self):
|
|
self._test_proxy(base.BufferedRowResultProxy)
|
|
|
|
def test_fully_buffered_result_proxy(self):
|
|
self._test_proxy(base.FullyBufferedResultProxy)
|
|
|
|
def test_buffered_column_result_proxy(self):
|
|
self._test_proxy(base.BufferedColumnResultProxy)
|
|
|
|
class EngineEventsTest(fixtures.TestBase):
|
|
def tearDown(self):
|
|
Engine.dispatch._clear()
|
|
|
|
def _assert_stmts(self, expected, received):
|
|
for stmt, params, posn in expected:
|
|
if not received:
|
|
assert False
|
|
while received:
|
|
teststmt, testparams, testmultiparams = \
|
|
received.pop(0)
|
|
teststmt = re.compile(r'[\n\t ]+', re.M).sub(' ',
|
|
teststmt).strip()
|
|
if teststmt.startswith(stmt) and (testparams
|
|
== params or testparams == posn):
|
|
break
|
|
|
|
def test_per_engine_independence(self):
|
|
e1 = create_engine(config.db_url)
|
|
e2 = create_engine(config.db_url)
|
|
|
|
canary = []
|
|
def before_exec(conn, stmt, *arg):
|
|
canary.append(stmt)
|
|
event.listen(e1, "before_execute", before_exec)
|
|
s1 = select([1])
|
|
s2 = select([2])
|
|
e1.execute(s1)
|
|
e2.execute(s2)
|
|
eq_(canary, [s1])
|
|
event.listen(e2, "before_execute", before_exec)
|
|
e1.execute(s1)
|
|
e2.execute(s2)
|
|
eq_(canary, [s1, s1, s2])
|
|
|
|
def test_per_engine_plus_global(self):
|
|
canary = []
|
|
def be1(conn, stmt, *arg):
|
|
canary.append('be1')
|
|
def be2(conn, stmt, *arg):
|
|
canary.append('be2')
|
|
def be3(conn, stmt, *arg):
|
|
canary.append('be3')
|
|
|
|
event.listen(Engine, "before_execute", be1)
|
|
e1 = create_engine(config.db_url)
|
|
e2 = create_engine(config.db_url)
|
|
|
|
event.listen(e1, "before_execute", be2)
|
|
|
|
event.listen(Engine, "before_execute", be3)
|
|
e1.connect()
|
|
e2.connect()
|
|
canary[:] = []
|
|
e1.execute(select([1]))
|
|
e2.execute(select([1]))
|
|
|
|
eq_(canary, ['be1', 'be3', 'be2', 'be1', 'be3'])
|
|
|
|
def test_argument_format_execute(self):
|
|
def before_execute(conn, clauseelement, multiparams, params):
|
|
assert isinstance(multiparams, (list, tuple))
|
|
assert isinstance(params, dict)
|
|
def after_execute(conn, clauseelement, multiparams, params, result):
|
|
assert isinstance(multiparams, (list, tuple))
|
|
assert isinstance(params, dict)
|
|
e1 = create_engine(config.db_url)
|
|
event.listen(e1, 'before_execute', before_execute)
|
|
event.listen(e1, 'after_execute', after_execute)
|
|
|
|
e1.execute(select([1]))
|
|
e1.execute(select([1]).compile(dialect=e1.dialect).statement)
|
|
e1.execute(select([1]).compile(dialect=e1.dialect))
|
|
e1._execute_compiled(select([1]).compile(dialect=e1.dialect), [], {})
|
|
|
|
@testing.fails_on('firebird', 'Data type unknown')
|
|
def test_execute_events(self):
|
|
|
|
stmts = []
|
|
cursor_stmts = []
|
|
|
|
def execute(conn, clauseelement, multiparams,
|
|
params ):
|
|
stmts.append((str(clauseelement), params, multiparams))
|
|
|
|
def cursor_execute(conn, cursor, statement, parameters,
|
|
context, executemany):
|
|
cursor_stmts.append((str(statement), parameters, None))
|
|
|
|
|
|
for engine in [
|
|
engines.testing_engine(options=dict(implicit_returning=False)),
|
|
engines.testing_engine(options=dict(implicit_returning=False,
|
|
strategy='threadlocal'))
|
|
]:
|
|
event.listen(engine, 'before_execute', execute)
|
|
event.listen(engine, 'before_cursor_execute', cursor_execute)
|
|
|
|
m = MetaData(engine)
|
|
t1 = Table('t1', m,
|
|
Column('c1', Integer, primary_key=True),
|
|
Column('c2', String(50), default=func.lower('Foo'),
|
|
primary_key=True)
|
|
)
|
|
m.create_all()
|
|
try:
|
|
t1.insert().execute(c1=5, c2='some data')
|
|
t1.insert().execute(c1=6)
|
|
eq_(engine.execute('select * from t1').fetchall(), [(5,
|
|
'some data'), (6, 'foo')])
|
|
finally:
|
|
m.drop_all()
|
|
engine.dispose()
|
|
compiled = [('CREATE TABLE t1', {}, None),
|
|
('INSERT INTO t1 (c1, c2)', {'c2': 'some data',
|
|
'c1': 5}, None), ('INSERT INTO t1 (c1, c2)',
|
|
{'c1': 6}, None), ('select * from t1', {},
|
|
None), ('DROP TABLE t1', {}, None)]
|
|
if not testing.against('oracle+zxjdbc'): # or engine.dialect.pr
|
|
# eexecute_pk_sequence
|
|
# s:
|
|
cursor = [
|
|
('CREATE TABLE t1', {}, ()),
|
|
('INSERT INTO t1 (c1, c2)', {'c2': 'some data', 'c1'
|
|
: 5}, (5, 'some data')),
|
|
('SELECT lower', {'lower_2': 'Foo'}, ('Foo', )),
|
|
('INSERT INTO t1 (c1, c2)', {'c2': 'foo', 'c1': 6},
|
|
(6, 'foo')),
|
|
('select * from t1', {}, ()),
|
|
('DROP TABLE t1', {}, ()),
|
|
]
|
|
else:
|
|
insert2_params = 6, 'Foo'
|
|
if testing.against('oracle+zxjdbc'):
|
|
insert2_params += (ReturningParam(12), )
|
|
cursor = [('CREATE TABLE t1', {}, ()),
|
|
('INSERT INTO t1 (c1, c2)', {'c2': 'some data'
|
|
, 'c1': 5}, (5, 'some data')),
|
|
('INSERT INTO t1 (c1, c2)', {'c1': 6,
|
|
'lower_2': 'Foo'}, insert2_params),
|
|
('select * from t1', {}, ()), ('DROP TABLE t1'
|
|
, {}, ())] # bind param name 'lower_2' might
|
|
# be incorrect
|
|
self._assert_stmts(compiled, stmts)
|
|
self._assert_stmts(cursor, cursor_stmts)
|
|
|
|
def test_options(self):
|
|
canary = []
|
|
def execute(conn, *args, **kw):
|
|
canary.append('execute')
|
|
|
|
def cursor_execute(conn, *args, **kw):
|
|
canary.append('cursor_execute')
|
|
|
|
engine = engines.testing_engine()
|
|
event.listen(engine, 'before_execute', execute)
|
|
event.listen(engine, 'before_cursor_execute', cursor_execute)
|
|
conn = engine.connect()
|
|
c2 = conn.execution_options(foo='bar')
|
|
eq_(c2._execution_options, {'foo':'bar'})
|
|
c2.execute(select([1]))
|
|
c3 = c2.execution_options(bar='bat')
|
|
eq_(c3._execution_options, {'foo':'bar', 'bar':'bat'})
|
|
eq_(canary, ['execute', 'cursor_execute'])
|
|
|
|
def test_retval_flag(self):
|
|
canary = []
|
|
def tracker(name):
|
|
def go(conn, *args, **kw):
|
|
canary.append(name)
|
|
return go
|
|
|
|
def execute(conn, clauseelement, multiparams, params):
|
|
canary.append('execute')
|
|
return clauseelement, multiparams, params
|
|
|
|
def cursor_execute(conn, cursor, statement,
|
|
parameters, context, executemany):
|
|
canary.append('cursor_execute')
|
|
return statement, parameters
|
|
|
|
engine = engines.testing_engine()
|
|
|
|
assert_raises(
|
|
tsa.exc.ArgumentError,
|
|
event.listen, engine, "begin", tracker("begin"), retval=True
|
|
)
|
|
|
|
event.listen(engine, "before_execute", execute, retval=True)
|
|
event.listen(engine, "before_cursor_execute", cursor_execute, retval=True)
|
|
engine.execute(select([1]))
|
|
eq_(
|
|
canary, ['execute', 'cursor_execute']
|
|
)
|
|
|
|
def test_transactional(self):
|
|
canary = []
|
|
def tracker(name):
|
|
def go(conn, *args, **kw):
|
|
canary.append(name)
|
|
return go
|
|
|
|
engine = engines.testing_engine()
|
|
event.listen(engine, 'before_execute', tracker('execute'))
|
|
event.listen(engine, 'before_cursor_execute', tracker('cursor_execute'))
|
|
event.listen(engine, 'begin', tracker('begin'))
|
|
event.listen(engine, 'commit', tracker('commit'))
|
|
event.listen(engine, 'rollback', tracker('rollback'))
|
|
|
|
conn = engine.connect()
|
|
trans = conn.begin()
|
|
conn.execute(select([1]))
|
|
trans.rollback()
|
|
trans = conn.begin()
|
|
conn.execute(select([1]))
|
|
trans.commit()
|
|
|
|
eq_(canary, [
|
|
'begin', 'execute', 'cursor_execute', 'rollback',
|
|
'begin', 'execute', 'cursor_execute', 'commit',
|
|
])
|
|
|
|
@testing.requires.savepoints
|
|
@testing.requires.two_phase_transactions
|
|
def test_transactional_advanced(self):
|
|
canary = []
|
|
def tracker(name):
|
|
def go(*args, **kw):
|
|
canary.append(name)
|
|
return go
|
|
|
|
engine = engines.testing_engine()
|
|
for name in ['begin', 'savepoint',
|
|
'rollback_savepoint', 'release_savepoint',
|
|
'rollback', 'begin_twophase',
|
|
'prepare_twophase', 'commit_twophase']:
|
|
event.listen(engine, '%s' % name, tracker(name))
|
|
|
|
conn = engine.connect()
|
|
|
|
trans = conn.begin()
|
|
trans2 = conn.begin_nested()
|
|
conn.execute(select([1]))
|
|
trans2.rollback()
|
|
trans2 = conn.begin_nested()
|
|
conn.execute(select([1]))
|
|
trans2.commit()
|
|
trans.rollback()
|
|
|
|
trans = conn.begin_twophase()
|
|
conn.execute(select([1]))
|
|
trans.prepare()
|
|
trans.commit()
|
|
|
|
eq_(canary, ['begin', 'savepoint',
|
|
'rollback_savepoint', 'savepoint', 'release_savepoint',
|
|
'rollback', 'begin_twophase',
|
|
'prepare_twophase', 'commit_twophase']
|
|
)
|
|
|
|
|
|
class ProxyConnectionTest(fixtures.TestBase):
|
|
"""These are the same tests as EngineEventsTest, except using
|
|
the deprecated ConnectionProxy interface.
|
|
|
|
"""
|
|
|
|
@testing.uses_deprecated(r'.*Use event.listen')
|
|
@testing.fails_on('firebird', 'Data type unknown')
|
|
def test_proxy(self):
|
|
|
|
stmts = []
|
|
cursor_stmts = []
|
|
|
|
class MyProxy(ConnectionProxy):
|
|
def execute(
|
|
self,
|
|
conn,
|
|
execute,
|
|
clauseelement,
|
|
*multiparams,
|
|
**params
|
|
):
|
|
stmts.append((str(clauseelement), params, multiparams))
|
|
return execute(clauseelement, *multiparams, **params)
|
|
|
|
def cursor_execute(
|
|
self,
|
|
execute,
|
|
cursor,
|
|
statement,
|
|
parameters,
|
|
context,
|
|
executemany,
|
|
):
|
|
cursor_stmts.append((str(statement), parameters, None))
|
|
return execute(cursor, statement, parameters, context)
|
|
|
|
def assert_stmts(expected, received):
|
|
for stmt, params, posn in expected:
|
|
if not received:
|
|
assert False
|
|
while received:
|
|
teststmt, testparams, testmultiparams = \
|
|
received.pop(0)
|
|
teststmt = re.compile(r'[\n\t ]+', re.M).sub(' ',
|
|
teststmt).strip()
|
|
if teststmt.startswith(stmt) and (testparams
|
|
== params or testparams == posn):
|
|
break
|
|
|
|
for engine in \
|
|
engines.testing_engine(options=dict(implicit_returning=False,
|
|
proxy=MyProxy())), \
|
|
engines.testing_engine(options=dict(implicit_returning=False,
|
|
proxy=MyProxy(),
|
|
strategy='threadlocal')):
|
|
m = MetaData(engine)
|
|
t1 = Table('t1', m,
|
|
Column('c1', Integer, primary_key=True),
|
|
Column('c2', String(50), default=func.lower('Foo'),
|
|
primary_key=True)
|
|
)
|
|
m.create_all()
|
|
try:
|
|
t1.insert().execute(c1=5, c2='some data')
|
|
t1.insert().execute(c1=6)
|
|
eq_(engine.execute('select * from t1').fetchall(), [(5,
|
|
'some data'), (6, 'foo')])
|
|
finally:
|
|
m.drop_all()
|
|
engine.dispose()
|
|
compiled = [('CREATE TABLE t1', {}, None),
|
|
('INSERT INTO t1 (c1, c2)', {'c2': 'some data',
|
|
'c1': 5}, None), ('INSERT INTO t1 (c1, c2)',
|
|
{'c1': 6}, None), ('select * from t1', {},
|
|
None), ('DROP TABLE t1', {}, None)]
|
|
if not testing.against('oracle+zxjdbc'): # or engine.dialect.pr
|
|
# eexecute_pk_sequence
|
|
# s:
|
|
cursor = [
|
|
('CREATE TABLE t1', {}, ()),
|
|
('INSERT INTO t1 (c1, c2)', {'c2': 'some data', 'c1'
|
|
: 5}, (5, 'some data')),
|
|
('SELECT lower', {'lower_2': 'Foo'}, ('Foo', )),
|
|
('INSERT INTO t1 (c1, c2)', {'c2': 'foo', 'c1': 6},
|
|
(6, 'foo')),
|
|
('select * from t1', {}, ()),
|
|
('DROP TABLE t1', {}, ()),
|
|
]
|
|
else:
|
|
insert2_params = 6, 'Foo'
|
|
if testing.against('oracle+zxjdbc'):
|
|
insert2_params += (ReturningParam(12), )
|
|
cursor = [('CREATE TABLE t1', {}, ()),
|
|
('INSERT INTO t1 (c1, c2)', {'c2': 'some data'
|
|
, 'c1': 5}, (5, 'some data')),
|
|
('INSERT INTO t1 (c1, c2)', {'c1': 6,
|
|
'lower_2': 'Foo'}, insert2_params),
|
|
('select * from t1', {}, ()), ('DROP TABLE t1'
|
|
, {}, ())] # bind param name 'lower_2' might
|
|
# be incorrect
|
|
assert_stmts(compiled, stmts)
|
|
assert_stmts(cursor, cursor_stmts)
|
|
|
|
@testing.uses_deprecated(r'.*Use event.listen')
|
|
def test_options(self):
|
|
canary = []
|
|
class TrackProxy(ConnectionProxy):
|
|
def __getattribute__(self, key):
|
|
fn = object.__getattribute__(self, key)
|
|
def go(*arg, **kw):
|
|
canary.append(fn.__name__)
|
|
return fn(*arg, **kw)
|
|
return go
|
|
engine = engines.testing_engine(options={'proxy':TrackProxy()})
|
|
conn = engine.connect()
|
|
c2 = conn.execution_options(foo='bar')
|
|
eq_(c2._execution_options, {'foo':'bar'})
|
|
c2.execute(select([1]))
|
|
c3 = c2.execution_options(bar='bat')
|
|
eq_(c3._execution_options, {'foo':'bar', 'bar':'bat'})
|
|
eq_(canary, ['execute', 'cursor_execute'])
|
|
|
|
|
|
@testing.uses_deprecated(r'.*Use event.listen')
|
|
def test_transactional(self):
|
|
canary = []
|
|
class TrackProxy(ConnectionProxy):
|
|
def __getattribute__(self, key):
|
|
fn = object.__getattribute__(self, key)
|
|
def go(*arg, **kw):
|
|
canary.append(fn.__name__)
|
|
return fn(*arg, **kw)
|
|
return go
|
|
|
|
engine = engines.testing_engine(options={'proxy':TrackProxy()})
|
|
conn = engine.connect()
|
|
trans = conn.begin()
|
|
conn.execute(select([1]))
|
|
trans.rollback()
|
|
trans = conn.begin()
|
|
conn.execute(select([1]))
|
|
trans.commit()
|
|
|
|
eq_(canary, [
|
|
'begin', 'execute', 'cursor_execute', 'rollback',
|
|
'begin', 'execute', 'cursor_execute', 'commit',
|
|
])
|
|
|
|
@testing.uses_deprecated(r'.*Use event.listen')
|
|
@testing.requires.savepoints
|
|
@testing.requires.two_phase_transactions
|
|
def test_transactional_advanced(self):
|
|
canary = []
|
|
class TrackProxy(ConnectionProxy):
|
|
def __getattribute__(self, key):
|
|
fn = object.__getattribute__(self, key)
|
|
def go(*arg, **kw):
|
|
canary.append(fn.__name__)
|
|
return fn(*arg, **kw)
|
|
return go
|
|
|
|
engine = engines.testing_engine(options={'proxy':TrackProxy()})
|
|
conn = engine.connect()
|
|
|
|
trans = conn.begin()
|
|
trans2 = conn.begin_nested()
|
|
conn.execute(select([1]))
|
|
trans2.rollback()
|
|
trans2 = conn.begin_nested()
|
|
conn.execute(select([1]))
|
|
trans2.commit()
|
|
trans.rollback()
|
|
|
|
trans = conn.begin_twophase()
|
|
conn.execute(select([1]))
|
|
trans.prepare()
|
|
trans.commit()
|
|
|
|
canary = [t for t in canary if t not in ('cursor_execute', 'execute')]
|
|
eq_(canary, ['begin', 'savepoint',
|
|
'rollback_savepoint', 'savepoint', 'release_savepoint',
|
|
'rollback', 'begin_twophase',
|
|
'prepare_twophase', 'commit_twophase']
|
|
)
|
|
|