Fix resolver for jsonschema validator test

Author: p1c2u

tests/integration/data/v3.0/parent-reference/openapi.yaml

@@ -0,0 +1,7 @@
+openapi: "3.0.0"
+info:
+  title: sample
+  version: "0.1"
+paths:
+  /books:
+    $ref: "./paths/books.yaml"

tests/integration/data/v3.0/parent-reference/paths/books.yaml

@@ -0,0 +1,10 @@
+get:
+  responses:
+    "200":
+      description: OK
+      content:
+        application/json:
+          schema:
+            type: array
+            items:
+              $ref: "../schemas/book.yaml#/Book"

tests/integration/data/v3.0/parent-reference/schemas/book.yaml

@@ -0,0 +1,9 @@
+Book:
+  type: object
+  properties:
+    id:
+      $ref: "#/BookId"
+    title:
+      type: string
+BookId:
+  type: string

tests/integration/validation/test_parent_reference.py

@@ -0,0 +1,29 @@
+import json
+
+import pytest
+from jsonschema_path import SchemaPath
+
+from openapi_core import Config
+from openapi_core import OpenAPI
+from openapi_core.testing import MockRequest
+from openapi_core.testing import MockResponse
+
+
+class TestParentReference:
+
+    spec_path = "data/v3.0/parent-reference/openapi.yaml"
+
+    @pytest.fixture
+    def openapi(self, content_factory):
+        content, base_uri = content_factory.from_file(self.spec_path)
+        spec = SchemaPath.from_dict(content, base_uri=base_uri)
+        config = Config(spec_base_uri=base_uri)
+        return OpenAPI(spec, config=config)
+
+    def test_valid(self, openapi):
+        request = MockRequest(host_url="", method="GET", path="/books")
+        response = MockResponse(
+            data=json.dumps([{"id": "BOOK:01", "title": "Test Book"}]).encode()
+        )
+
+        openapi.validate_response(request, response)