def test_lazy_backrefs_throw_exception(self, hook: RegisterModelsHook):
with pytest.raises(Exception) as e:
hook.run_hook(None, [BackrefBundle()])
error = 'Discovered a lazy-mapped backref `backrefs` on ' \
'`tests.bundles.sqlalchemy._bundles.backref.models.OneRelationship`. Currently ' \
'this is unsupported; please use `db.relationship` with '\
'the `back_populates` kwarg on both sides instead.'
assert error in str(e)
def test_app_bundle_overrides_others(self, db, hook: RegisterModelsHook):
hook.run_hook(None,
[VendorOneBundle(),
VendorTwoBundle(),
MyAppBundle()])
expected = get_app_models()
assert hook.bundle.models == expected
assert db.metadata.tables == _to_metadata_tables(expected)
def test_type_check_materialized_view(self, db, hook: RegisterModelsHook):
class MVT(db.Model):
id = db.Column(db.Integer, primary_key=True)
class MV(db.MaterializedView):
@classmethod
def selectable(cls):
return db.select([MVT.id])
assert hook.type_check(db.MaterializedView) is False
assert hook.type_check(MV)
def test_type_check_on_garbage(self, hook: RegisterModelsHook):
assert hook.type_check('foo') is False
assert hook.type_check(42) is False
assert hook.type_check(42.0) is False
assert hook.type_check(None) is False
assert hook.type_check(lambda x: x) is False
assert hook.type_check(unchained) is False
assert hook.type_check(VendorOneBundle) is False
def test_type_check_model(self, db, hook: RegisterModelsHook):
class M(db.Model):
pass
assert hook.type_check(db.Model) is False
assert hook.type_check(M)
def hook():
return RegisterModelsHook(unchained, SQLAlchemyBundle())
def test_it_works_with_polymorphic(self, db, hook: RegisterModelsHook):
hook.run_hook(None, [PolymorphicBundle()])
expected = get_polymorphic_models()
assert hook.bundle.models == expected
assert db.metadata.tables == _to_metadata_tables(expected)
def test_vendor_bundle_subsubclassing(self, db, hook: RegisterModelsHook):
hook.run_hook(None, [ExtExtVendorOneBundle()])
expected_ext_ext_one = get_ext_ext_vendor_one_models()
assert hook.bundle.models == expected_ext_ext_one
assert db.metadata.tables == _to_metadata_tables(expected_ext_ext_one)
def test_it_works_vendor_one_and_two(self, db, hook: RegisterModelsHook):
hook.run_hook(None, [VendorOneBundle(), VendorTwoBundle()])
expected_both = {**get_vendor_one_models(), **get_vendor_two_models()}
assert hook.bundle.models == expected_both
assert db.metadata.tables == _to_metadata_tables(expected_both)
def test_it_works_vendor_two(self, db, hook: RegisterModelsHook):
hook.run_hook(None, [VendorTwoBundle()])
expected_two = get_vendor_two_models()
assert hook.bundle.models == expected_two
assert db.metadata.tables == _to_metadata_tables(expected_two)