--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cubicweb/test/data/cubicweb_comment/schema.py	Fri Mar 15 18:07:18 2019 +0100
@@ -0,0 +1,26 @@
+from yams.buildobjs import (EntityType, RelationType, SubjectRelation,
+                            RichString)
+from cubicweb.schema import RRQLExpression
+
+
+class Comment(EntityType):
+    """a comment is a reply about another entity"""
+    __permissions__ = {
+        'read':   ('managers', 'users', 'guests',),
+        'add':    ('managers', 'users',),
+        'delete': ('managers', 'owners',),
+        'update': ('managers', 'owners',),
+        }
+    content = RichString(required=True, fulltextindexed=True)
+    comments = SubjectRelation('Comment', cardinality='1*', composite='object')
+
+
+class comments(RelationType):
+    __permissions__ = {
+        'read':   ('managers', 'users', 'guests'),
+        'add':    ('managers', 'users',),
+        'delete': ('managers', RRQLExpression('S owned_by U'),),
+        }
+    inlined = True
+    composite = 'object'
+    cardinality = '1*'