def test_raise_on_unannotated_unmatched_column(self):
User = self.classes.User
compiler = evaluator.EvaluatorCompiler(User)
assert_raises_message(evaluator.UnevaluatableError,
"Cannot evaluate column: foo", compiler.process,
User.id == Column('foo', Integer))
def test_warn_on_unannotated_matched_column(self):
User = self.classes.User
compiler = evaluator.EvaluatorCompiler(User)
with expect_warnings(
r"Evaluating non-mapped column expression 'othername' "
"onto ORM instances; this is a deprecated use case."):
meth = compiler.process(User.name == Column("othername", String))
u1 = User(id=5)
meth(u1)
from sqlalchemy import not_
from sqlalchemy import or_
from sqlalchemy import String
from sqlalchemy import tuple_
from sqlalchemy.orm import evaluator
from sqlalchemy.orm import mapper
from sqlalchemy.orm import relationship
from sqlalchemy.orm import Session
from sqlalchemy.testing import assert_raises_message
from sqlalchemy.testing import expect_warnings
from sqlalchemy.testing import fixtures
from sqlalchemy.testing import is_
from sqlalchemy.testing.schema import Column
from sqlalchemy.testing.schema import Table
compiler = evaluator.EvaluatorCompiler()
def eval_eq(clause, testcases=None):
evaluator = compiler.process(clause)
def testeval(obj=None, expected_result=None):
assert evaluator(obj) == expected_result, "%s != %r for %s with %r" % (
evaluator(obj),
expected_result,
clause,
obj,
)
if testcases:
for an_obj, result in testcases:
