take items into account in stack

schema_tools/__init__.py

@@ -1 +1 @@
-__version__ = "0.0.15"
+__version__ = "0.0.16"

schema_tools/schema/json.py

@@ -208,7 +208,7 @@ def to_dict(self, deref=False, prefix=None, stack=None):
     if stack is None: stack = []
     out = super().to_dict(deref=deref, prefix=prefix, stack=stack)
     if isinstance(self.items, Schema):
-      out["items"] = self.items.to_dict(deref=deref, prefix=prefix, stack=stack)
+      out["items"] = self.items.to_dict(deref=deref, prefix=prefix, stack=stack+["items"])
     else:
       out["items"] = self.items
     return out

tests/schemas/product.json

@@ -12,6 +12,9 @@
     },
     "cost": {
       "$ref" : "file:tests/schemas/money.json"
+    },
+    "subproduct" : {
+      "$ref" : "#"
     }
   }
 }

tests/test_deref_to_dict.py

@@ -8,14 +8,14 @@ def test_deref_to_dict(asset):
   items = d["properties"]["lines"]["items"]
   assert items["properties"]["type"]["$ref"] == "#/definitions/type"
   assert items["properties"]["price"]["properties"]["taxed"]["$ref"] ==  \
-    "#/properties/lines/properties/price/definitions/taxed"
+    "#/properties/lines/items/properties/price/definitions/taxed"
 
 
   # simple included type and 2nd-level dereferenced definition
   product = items["properties"]["product"]
   assert product["properties"]["id"]["type"] == "string"
   assert product["properties"]["cost"]["properties"]["taxed"]["$ref"] == \
-    "#/properties/lines/properties/product/properties/cost/definitions/taxed"
+    "#/properties/lines/items/properties/product/properties/cost/definitions/taxed"
 
 def test_ensure_derereferenced_schemas_drop_local_ids(asset):
   original_file = asset("invoice.json")