endpoints_webapp2: fix parsing params in GET request

appengine/components/components/endpoints_webapp2_test.py

Index: appengine/components/components/endpoints_webapp2_test.py
diff --git a/appengine/components/components/endpoints_webapp2_test.py b/appengine/components/components/endpoints_webapp2_test.py
index a307ab442dee9122d560e79fcb892cffc0f2e1cc..a73872db3b75a80ab00da711c16096a1a71695b2 100755
--- a/appengine/components/components/endpoints_webapp2_test.py
+++ b/appengine/components/components/endpoints_webapp2_test.py
@@ -23,6 +23,9 @@ class Msg(messages.Message):
   s2 = messages.StringField(2)
 
 
+CONTAINER = endpoints.ResourceContainer(Msg, x=messages.StringField(3))
+
+
 @endpoints.api('Service', 'v1')
 class EndpointsService(remote.Service):
 
@@ -34,6 +37,10 @@ class EndpointsService(remote.Service):
   def get(self, _request):
     return Msg()
 
+  @endpoints.method(CONTAINER, Msg, http_method='GET')
+  def get_container(self, _request):
+    return Msg()
+
 
 class EndpointsWebapp2TestCase(test_case.TestCase):
   def test_decode_message_post(self):
@@ -61,6 +68,20 @@ class EndpointsWebapp2TestCase(test_case.TestCase):
     self.assertEqual(msg.s, 'a')
     self.assertEqual(msg.s2, 'b')
 
+  def test_decode_message_get_resource_container(self):
+    request = webapp2.Request(
+        {
+          'QUERY_STRING': 's=a',
+        },
+        method='GET',
+        route_kwargs={'s2': 'b', 'x': 'c'},
+    )
+    rc = endpoints_webapp2.decode_message(
+        EndpointsService.get_container.remote, request)
+    self.assertEqual(rc.s, 'a')
+    self.assertEqual(rc.s2, 'b')
+    self.assertEqual(rc.x, 'c')
+
 
 if __name__ == '__main__':
   if '-v' in sys.argv: