def test_bp_set_attribute_warning():
bp = Blueprint("bp")
message = (
"Setting variables on Blueprint instances is not allowed. You should "
"change your Blueprint instance to use instance.ctx.foo instead.")
with pytest.raises(AttributeError, match=message):
bp.foo = 1
def test_bp_set_attribute_warning():
bp = Blueprint("bp")
with pytest.warns(UserWarning) as record:
bp.foo = 1
assert len(record) == 1
assert record[0].message.args[0] == (
"Setting variables on Blueprint instances is deprecated "
"and will be removed in version 21.9. You should change your "
"Blueprint instance to use instance.ctx.foo instead.")
