Method test_mapper_config_sequence

test/orm/test_events.py:2039–2124

(self, decl_base, listen_type)

        [class="st">"listen_on_mapper", class="st">"listen_on_base", class="st">"listen_on_mixin"],
    )
    def test_mapper_config_sequence(self, decl_base, listen_type):
        canary = Mock()

        if listen_type.listen_on_mapper:
            event.listen(Mapper, class="st">"instrument_class", canary.instrument_class)
            event.listen(
                Mapper,
                class="st">"after_mapper_constructed",
                canary.after_mapper_constructed,
            )
        elif listen_type.listen_on_base:
            event.listen(
                decl_base,
                class="st">"instrument_class",
                canary.instrument_class,
                propagate=True,
            )
            event.listen(
                decl_base,
                class="st">"after_mapper_constructed",
                canary.after_mapper_constructed,
                propagate=True,
            )
        elif listen_type.listen_on_mixin:

            class Mixin:
                pass

            event.listen(
                Mixin,
                class="st">"instrument_class",
                canary.instrument_class,
                propagate=True,
            )
            event.listen(
                Mixin,
                class="st">"after_mapper_constructed",
                canary.after_mapper_constructed,
                propagate=True,
            )
        else:
            listen_type.fail()

        event.listen(object, class="st">"class_instrument", canary.class_instrument)
        event.listen(Mapper, class="st">"before_configured", canary.before_configured)
        event.listen(
            Mapper, class="st">"before_mapper_configured", canary.before_mapper_configured
        )
        event.listen(Mapper, class="st">"after_configured", canary.after_configured)

        if listen_type.listen_on_mixin:

            class Thing(Mixin, decl_base):
                __tablename__ = class="st">"thing"

                id = Column(Integer, primary_key=True)

        else: