mirror of
https://github.com/sqlalchemy/sqlalchemy.git
synced 2026-06-02 13:59:02 -04:00
Mike Bayer
168 lines
7.9 KiB
Python
168 lines
7.9 KiB
Python
from sqlalchemy.test.testing import eq_
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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, bindparam
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from sqlalchemy.test.schema import Table
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from sqlalchemy.test.schema import Column
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import sqlalchemy as tsa
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from sqlalchemy.test import TestBase, testing, engines
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users, metadata = None, None
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class ExecuteTest(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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Column('user_name', VARCHAR(20)),
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)
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metadata.create_all()
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def teardown(self):
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testing.db.connect().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', 'sqlite')
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def test_raw_qmark(self):
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for conn in (testing.db, testing.db.connect()):
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conn.execute("insert into users (user_id, user_name) values (?, ?)", (1,"jack"))
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conn.execute("insert into users (user_id, user_name) values (?, ?)", [2,"fred"])
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conn.execute("insert into users (user_id, user_name) values (?, ?)", [3,"ed"], [4,"horse"])
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conn.execute("insert into users (user_id, user_name) values (?, ?)", (5,"barney"), (6,"donkey"))
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conn.execute("insert into users (user_id, user_name) values (?, ?)", 7, '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, "fred"), (3, "ed"), (4, "horse"), (5, "barney"), (6, "donkey"), (7, 'sally')]
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conn.execute("delete from users")
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@testing.fails_on_everything_except('mysql', 'postgres')
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# some psycopg2 versions bomb this.
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def test_raw_sprintf(self):
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for conn in (testing.db, testing.db.connect()):
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conn.execute("insert into users (user_id, user_name) values (%s, %s)", [1,"jack"])
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conn.execute("insert into users (user_id, user_name) values (%s, %s)", [2,"ed"], [3,"horse"])
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conn.execute("insert into users (user_id, user_name) 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, "horse"), (4, 'sally'), (5, None)]
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conn.execute("delete from users")
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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, 1.2.2c1, 1.2.2)
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@testing.skip_if(lambda: testing.against('mysql'), 'db-api flaky')
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@testing.fails_on_everything_except('postgres')
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def test_raw_python(self):
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for conn in (testing.db, testing.db.connect()):
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conn.execute("insert into users (user_id, user_name) values (%(id)s, %(name)s)", {'id':1, 'name':'jack'})
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conn.execute("insert into users (user_id, user_name) values (%(id)s, %(name)s)", {'id':2, 'name':'ed'}, {'id':3, 'name':'horse'})
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conn.execute("insert into users (user_id, user_name) values (%(id)s, %(name)s)", 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, "horse"), (4, 'sally')]
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conn.execute("delete from users")
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@testing.fails_on_everything_except('sqlite', 'oracle')
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def test_raw_named(self):
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for conn in (testing.db, testing.db.connect()):
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conn.execute("insert into users (user_id, user_name) values (:id, :name)", {'id':1, 'name':'jack'})
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conn.execute("insert into users (user_id, user_name) values (:id, :name)", {'id':2, 'name':'ed'}, {'id':3, 'name':'horse'})
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conn.execute("insert into users (user_id, user_name) 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, "horse"), (4, 'sally')]
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conn.execute("delete from users")
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def test_exception_wrapping(self):
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for conn in (testing.db, testing.db.connect()):
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try:
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conn.execute("osdjafioajwoejoasfjdoifjowejfoawejqoijwef")
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assert False
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except tsa.exc.DBAPIError:
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assert True
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@testing.fails_on('mssql', 'rowcount returns -1')
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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 = testing.db.execute(users.insert().values(user_name=bindparam('name')), [])
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eq_(result.rowcount, 1)
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class ProxyConnectionTest(TestBase):
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@testing.fails_on('firebird', 'Data type unknown')
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def test_proxy(self):
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stmts = []
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cursor_stmts = []
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class MyProxy(ConnectionProxy):
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def execute(self, conn, execute, clauseelement, *multiparams, **params):
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stmts.append(
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(str(clauseelement), params,multiparams)
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)
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return execute(clauseelement, *multiparams, **params)
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def cursor_execute(self, execute, cursor, statement, parameters, context, executemany):
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cursor_stmts.append(
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(statement, parameters, None)
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)
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return execute(cursor, statement, parameters, context)
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def assert_stmts(expected, received):
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for stmt, params, posn in expected:
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if not received:
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assert False
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while received:
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teststmt, testparams, testmultiparams = received.pop(0)
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teststmt = re.compile(r'[\n\t ]+', re.M).sub(' ', teststmt).strip()
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if teststmt.startswith(stmt) and (testparams==params or testparams==posn):
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break
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for engine in (
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engines.testing_engine(options=dict(proxy=MyProxy())),
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engines.testing_engine(options=dict(proxy=MyProxy(), strategy='threadlocal'))
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):
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m = MetaData(engine)
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t1 = Table('t1', m, Column('c1', Integer, primary_key=True), Column('c2', String(50), default=func.lower('Foo'), primary_key=True))
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m.create_all()
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try:
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t1.insert().execute(c1=5, c2='some data')
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t1.insert().execute(c1=6)
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assert engine.execute("select * from t1").fetchall() == [(5, 'some data'), (6, 'foo')]
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finally:
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m.drop_all()
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engine.dispose()
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compiled = [
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("CREATE TABLE t1", {}, None),
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("INSERT INTO t1 (c1, c2)", {'c2': 'some data', 'c1': 5}, None),
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("INSERT INTO t1 (c1, c2)", {'c1': 6}, None),
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("select * from t1", {}, None),
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("DROP TABLE t1", {}, None)
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]
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if engine.dialect.preexecute_pk_sequences:
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cursor = [
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("CREATE TABLE t1", {}, None),
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("INSERT INTO t1 (c1, c2)", {'c2': 'some data', 'c1': 5}, [5, 'some data']),
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("SELECT lower", {'lower_2':'Foo'}, ['Foo']),
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("INSERT INTO t1 (c1, c2)", {'c2': 'foo', 'c1': 6}, [6, 'foo']),
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("select * from t1", {}, None),
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("DROP TABLE t1", {}, None)
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]
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else:
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cursor = [
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("CREATE TABLE t1", {}, ()),
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("INSERT INTO t1 (c1, c2)", {'c2': 'some data', 'c1': 5}, [5, 'some data']),
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("INSERT INTO t1 (c1, c2)", {'c1': 6, "lower_2":"Foo"}, [6, "Foo"]), # bind param name 'lower_2' might be incorrect
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("select * from t1", {}, ()),
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("DROP TABLE t1", {}, ())
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]
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assert_stmts(compiled, stmts)
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assert_stmts(cursor, cursor_stmts)
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