Readonly handling

* Change test for image existance in cleanup.

* Make sure AwsManaged.async_ready always runs find.

Author: hartmans

carthage_aws/connection.py

@@ -363,9 +363,17 @@ async def find(self):
                 self.id = resource_id
                 await run_in_executor(self.find_from_id)
                 if self.mob:
-                    return
+                    return self.mob
             self.id = None
 
+    async def async_ready(self):
+        '''Always run find, even for readonly objects.
+        '''
+        res = await super().async_ready()
+        if self.readonly:
+            await self.find()
+        return res
+
     async def possible_ids_for_name(self):
         resource_type = self.resource_type
         try:

tests/conftest.py

@@ -36,6 +36,8 @@ async def cleanup(ainjector):
     try:
         while True:
             aws_image = await ainjector(AwsImage, name='test-ami*')
+            if not aws_image.mob:
+                break
             await aws_image.delete()
     except (LookupError, NotImplementedError):
         pass