Pass arbitrary keyword args to load_test_app

Applications can be written with arbitrary keyword arguments
in `setup_app`. The test app builder should support this by
allowing arbitrary keyword args to be passed to `load_test_app`,
and pass those along to `load_app`.

Change-Id: Icb3d5c39d0bf147c1e58732be3199a30a7539f6f

pecan/core.py

@@ -142,7 +142,7 @@ def render(template, namespace):
     return state.app.render(template, namespace)
 
 
-def load_app(config):
+def load_app(config, **kwargs):
     '''
     Used to load a ``Pecan`` application and its environment based on passed
     configuration.
@@ -158,7 +158,7 @@ def load_app(config):
     for package_name in getattr(_runtime_conf.app, 'modules', []):
         module = __import__(package_name, fromlist=['app'])
         if hasattr(module, 'app') and hasattr(module.app, 'setup_app'):
-            app = module.app.setup_app(_runtime_conf)
+            app = module.app.setup_app(_runtime_conf, **kwargs)
             app.config = _runtime_conf
             return app
     raise RuntimeError(

pecan/testing.py

@@ -2,7 +2,7 @@ from pecan import load_app
 from webtest import TestApp
 
 
-def load_test_app(config=None):
+def load_test_app(config=None, **kwargs):
     """
     Used for functional tests where you need to test your
     literal application and its integration with the framework.
@@ -32,4 +32,4 @@ def load_test_app(config=None):
         resp = app.get('/path/to/some/resource').status_int
         assert resp.status_int == 200
     """
-    return TestApp(load_app(config))
+    return TestApp(load_app(config, **kwargs))