diff --git a/pyproject.toml b/pyproject.toml
index 6d57724..9b1b077 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -33,7 +33,7 @@ classifiers = [
 license = {text = "GNU General Public License v3+"}
 requires-python = ">= 3.8"
 dependencies = [
-        "Sideshow>=0.6.0",
+        "Sideshow>=0.7.1",
         "Wutta-COREPOS[web]>=0.3.0",
 ]
 
diff --git a/src/sideshow_corepos/web/app.py b/src/sideshow_corepos/web/app.py
index 6f4e327..e249760 100644
--- a/src/sideshow_corepos/web/app.py
+++ b/src/sideshow_corepos/web/app.py
@@ -44,7 +44,8 @@ def main(global_config, **settings):
     pyramid_config = base.make_pyramid_config(settings)
 
     # configure DB sessions
-    CoreOpSession.configure(bind=wutta_config.core_office_op_engine)
+    if hasattr(wutta_config, 'core_office_op_engine'):
+        CoreOpSession.configure(bind=wutta_config.core_office_op_engine)
 
     # bring in the rest of Sideshow
     pyramid_config.include('sideshow.web')
@@ -53,15 +54,15 @@ def main(global_config, **settings):
     return pyramid_config.make_wsgi_app()
 
 
-def make_wsgi_app():
+def make_wsgi_app(config=None):
     """
     Make and return the WSGI app (generic entry point).
     """
-    return base.make_wsgi_app(main)
+    return base.make_wsgi_app(main, config=config)
 
 
-def make_asgi_app():
+def make_asgi_app(config=None):
     """
     Make and return the ASGI app (generic entry point).
     """
-    return base.make_asgi_app(main)
+    return base.make_asgi_app(main, config=config)
diff --git a/tests/test_config.py b/tests/test_config.py
new file mode 100644
index 0000000..5ad7a3b
--- /dev/null
+++ b/tests/test_config.py
@@ -0,0 +1,18 @@
+# -*- coding: utf-8; -*-
+
+from wuttjamaican.testing import ConfigTestCase
+
+from sideshow_corepos import config as mod
+
+
+class TestSideshowCoreposConfig(ConfigTestCase):
+
+    def test_basic(self):
+
+        self.assertIsNone(self.config.get('wutta.batch.neworder.handler.spec'))
+
+        ext = mod.SideshowCoreposConfig()
+        ext.configure(self.config)
+
+        self.assertEqual(self.config.get('wutta.batch.neworder.handler.spec'),
+                         'sideshow_corepos.batch.neworder:NewOrderBatchHandler')
diff --git a/tests/web/test_app.py b/tests/web/test_app.py
index 1b4790e..d7f900c 100644
--- a/tests/web/test_app.py
+++ b/tests/web/test_app.py
@@ -1,32 +1,44 @@
 # -*- coding: utf-8; -*-
 
-from wuttjamaican.testing import FileTestCase, ConfigTestCase
+import sqlalchemy as sa
+
+from wuttjamaican.testing import DataTestCase
 
 from asgiref.wsgi import WsgiToAsgi
 from pyramid.router import Router
 
+from wutta_corepos.web.db import CoreOpSession
+
 from sideshow_corepos.web import app as mod
 
 
-class TestMain(FileTestCase):
+class TestMain(DataTestCase):
 
     def test_basic(self):
         global_config = None
-        myconf = self.write_file('my.conf', '')
-        settings = {'wutta.config': myconf}
+        settings = {'wutta_config': self.config}
         app = mod.main(global_config, **settings)
         self.assertIsInstance(app, Router)
+        self.assertIsNone(CoreOpSession.session_factory.kw['bind'])
+
+    def test_corepos_engine(self):
+        engine = sa.create_engine('sqlite://')
+        self.config.core_office_op_engine = engine
+        settings = {'wutta_config': self.config}
+        app = mod.main(None, **settings)
+        self.assertIsInstance(app, Router)
+        self.assertIs(CoreOpSession.session_factory.kw['bind'], engine)
 
 
-class TestMakeWsgiApp(ConfigTestCase):
+class TestMakeWsgiApp(DataTestCase):
 
     def test_basic(self):
-        wsgi = mod.make_wsgi_app()
+        wsgi = mod.make_wsgi_app(config=self.config)
         self.assertIsInstance(wsgi, Router)
 
 
-class TestMakeAsgiApp(ConfigTestCase):
+class TestMakeAsgiApp(DataTestCase):
 
     def test_basic(self):
-        asgi = mod.make_asgi_app()
+        asgi = mod.make_asgi_app(config=self.config)
         self.assertIsInstance(asgi, WsgiToAsgi)