import testenv; testenv.configure_for_tests() import ConfigParser, StringIO from sqlalchemy import * from sqlalchemy import exceptions, pool, engine import sqlalchemy.engine.url as url from testlib import * class ParseConnectTest(TestBase): def test_rfc1738(self): for text in ( 'dbtype://username:password@hostspec:110//usr/db_file.db', 'dbtype://username:password@hostspec/database', 'dbtype://username:password@hostspec', 'dbtype://username:password@/database', 'dbtype://username@hostspec', 'dbtype://username:password@127.0.0.1:1521', 'dbtype://hostspec/database', 'dbtype://hostspec', 'dbtype://hostspec/?arg1=val1&arg2=val2', 'dbtype:///database', 'dbtype:///:memory:', 'dbtype:///foo/bar/im/a/file', 'dbtype:///E:/work/src/LEM/db/hello.db', 'dbtype:///E:/work/src/LEM/db/hello.db?foo=bar&hoho=lala', 'dbtype://', 'dbtype://username:password@/db', 'dbtype:////usr/local/mailman/lists/_xtest@example.com/members.db', 'dbtype://username:apples%2Foranges@hostspec/mydatabase', ): u = url.make_url(text) print u, text print "username=", u.username, "password=", u.password, "database=", u.database, "host=", u.host assert u.drivername == 'dbtype' assert u.username == 'username' or u.username is None assert u.password == 'password' or u.password == 'apples/oranges' or u.password is None assert u.host == 'hostspec' or u.host == '127.0.0.1' or (not u.host) assert str(u) == text class CreateEngineTest(TestBase): """test that create_engine arguments of different types get propigated properly""" def test_connect_query(self): dbapi = MockDBAPI(foober='12', lala='18', fooz='somevalue') # start the postgres dialect, but put our mock DBAPI as the module instead of psycopg e = create_engine('postgres://scott:tiger@somehost/test?foober=12&lala=18&fooz=somevalue', module=dbapi) c = e.connect() def test_kwargs(self): dbapi = MockDBAPI(foober=12, lala=18, hoho={'this':'dict'}, fooz='somevalue') # start the postgres dialect, but put our mock DBAPI as the module instead of psycopg e = create_engine('postgres://scott:tiger@somehost/test?fooz=somevalue', connect_args={'foober':12, 'lala':18, 'hoho':{'this':'dict'}}, module=dbapi) c = e.connect() def test_coerce_config(self): raw = r""" [prefixed] sqlalchemy.url=postgres://scott:tiger@somehost/test?fooz=somevalue sqlalchemy.convert_unicode=0 sqlalchemy.echo=false sqlalchemy.echo_pool=1 sqlalchemy.max_overflow=2 sqlalchemy.pool_recycle=50 sqlalchemy.pool_size=2 sqlalchemy.pool_threadlocal=1 sqlalchemy.pool_timeout=10 [plain] url=postgres://scott:tiger@somehost/test?fooz=somevalue convert_unicode=0 echo=0 echo_pool=1 max_overflow=2 pool_recycle=50 pool_size=2 pool_threadlocal=1 pool_timeout=10 """ ini = ConfigParser.ConfigParser() ini.readfp(StringIO.StringIO(raw)) expected = { 'url': 'postgres://scott:tiger@somehost/test?fooz=somevalue', 'convert_unicode': 0, 'echo': False, 'echo_pool': True, 'max_overflow': 2, 'pool_recycle': 50, 'pool_size': 2, 'pool_threadlocal': True, 'pool_timeout': 10, } prefixed = dict(ini.items('prefixed')) self.assert_(engine._coerce_config(prefixed, 'sqlalchemy.') == expected) plain = dict(ini.items('plain')) self.assert_(engine._coerce_config(plain, '') == expected) def test_engine_from_config(self): dbapi = MockDBAPI() config = { 'sqlalchemy.url':'postgres://scott:tiger@somehost/test?fooz=somevalue', 'sqlalchemy.pool_recycle':'50', 'sqlalchemy.echo':'true' } e = engine_from_config(config, module=dbapi) assert e.pool._recycle == 50 assert e.url == url.make_url('postgres://scott:tiger@somehost/test?fooz=somevalue') assert e.echo is True def test_custom(self): dbapi = MockDBAPI(foober=12, lala=18, hoho={'this':'dict'}, fooz='somevalue') def connect(): return dbapi.connect(foober=12, lala=18, fooz='somevalue', hoho={'this':'dict'}) # start the postgres dialect, but put our mock DBAPI as the module instead of psycopg e = create_engine('postgres://', creator=connect, module=dbapi) c = e.connect() def test_recycle(self): dbapi = MockDBAPI(foober=12, lala=18, hoho={'this':'dict'}, fooz='somevalue') e = create_engine('postgres://', pool_recycle=472, module=dbapi) assert e.pool._recycle == 472 def test_badargs(self): # good arg, use MockDBAPI to prevent oracle import errors e = create_engine('oracle://', use_ansi=True, module=MockDBAPI()) try: e = create_engine("foobar://", module=MockDBAPI()) assert False except ImportError: assert True # bad arg try: e = create_engine('postgres://', use_ansi=True, module=MockDBAPI()) assert False except TypeError: assert True # bad arg try: e = create_engine('oracle://', lala=5, use_ansi=True, module=MockDBAPI()) assert False except TypeError: assert True try: e = create_engine('postgres://', lala=5, module=MockDBAPI()) assert False except TypeError: assert True try: e = create_engine('sqlite://', lala=5) assert False except TypeError: assert True try: e = create_engine('mysql://', use_unicode=True, module=MockDBAPI()) assert False except TypeError: assert True try: # sqlite uses SingletonThreadPool which doesnt have max_overflow e = create_engine('sqlite://', max_overflow=5) assert False except TypeError: assert True e = create_engine('mysql://', module=MockDBAPI(), connect_args={'use_unicode':True}, convert_unicode=True) e = create_engine('sqlite://', connect_args={'use_unicode':True}, convert_unicode=True) try: c = e.connect() assert False except exceptions.DBAPIError: assert True def test_urlattr(self): """test the url attribute on ``Engine``.""" e = create_engine('mysql://scott:tiger@localhost/test', module=MockDBAPI()) u = url.make_url('mysql://scott:tiger@localhost/test') e2 = create_engine(u, module=MockDBAPI()) assert e.url.drivername == e2.url.drivername == 'mysql' assert e.url.username == e2.url.username == 'scott' assert e2.url is u def test_poolargs(self): """test that connection pool args make it thru""" e = create_engine('postgres://', creator=None, pool_recycle=50, echo_pool=None, module=MockDBAPI()) assert e.pool._recycle == 50 # these args work for QueuePool e = create_engine('postgres://', max_overflow=8, pool_timeout=60, poolclass=pool.QueuePool, module=MockDBAPI()) try: # but not SingletonThreadPool e = create_engine('sqlite://', max_overflow=8, pool_timeout=60, poolclass=pool.SingletonThreadPool) assert False except TypeError: assert True class MockDBAPI(object): def __init__(self, **kwargs): self.kwargs = kwargs self.paramstyle = 'named' def connect(self, **kwargs): print kwargs, self.kwargs for k in self.kwargs: assert k in kwargs, "key %s not present in dictionary" % k assert kwargs[k]==self.kwargs[k], "value %s does not match %s" % (kwargs[k], self.kwargs[k]) return MockConnection() class MockConnection(object): def close(self): pass def cursor(self): return MockCursor() class MockCursor(object): def close(self): pass mock_dbapi = MockDBAPI() if __name__ == "__main__": testenv.main()