Allow overriding of spec as a dictionary

docs/conf.py

@@ -29,10 +29,15 @@ author = "Correl Roush"
 # ones.
 extensions = [
     "sphinx.ext.autodoc",
+    "sphinx.ext.intersphinx",
     "sphinx_rtd_theme",
 ]
 
-autodoc_member_order = "groupwise"
+autodoc_member_order = "bysource"
+intersphinx_mapping = {
+    "python": ("https://docs.python.org/3", None),
+    "tornado": ("https://tornado.readthedocs.org/", None),
+}
 
 # Add any paths that contain templates here, relative to this directory.
 templates_path = ["_templates"]

docs/handler.rst

@@ -1,9 +1,5 @@
 Handling Incoming Requests
 ==========================
 
-OpenAPIRequestHandler extends Tornado's RequestHandler class, providing
-validation of incoming requests and translating errors into appropriate HTTP
-responses.
-
 .. automodule:: tornado_openapi3.handler
    :members:

docs/testing.rst

@@ -1,8 +1,5 @@
 Testing API Responses
 =====================
 
-AsyncOpenAPITestCase extends Tornado's AsyncHTTPTestCase class, providing
-validation of the responses from your application and raising errors in tests.
-
 .. automodule:: tornado_openapi3.testing
    :members:

tests/test_handler.py

@@ -1,7 +1,6 @@
 import json
 import unittest.mock
 
-from openapi_core import create_spec  # type: ignore
 from openapi_core.exceptions import OpenAPIError  # type: ignore
 import tornado.httpclient  # type: ignore
 import tornado.web  # type: ignore
@@ -11,8 +10,7 @@ from tornado_openapi3.handler import OpenAPIRequestHandler
 
 
 class ResourceHandler(OpenAPIRequestHandler):
-    spec = create_spec(
-        {
+    spec_dict = {
         "openapi": "3.0.0",
         "info": {
             "title": "Test API",
@@ -50,9 +48,7 @@ class ResourceHandler(OpenAPIRequestHandler):
                             "description": "Success",
                             "content": {
                                 "application/vnd.example.resource+json": {
-                                        "schema": {
-                                            "$ref": "#/components/schemas/resource"
-                                        },
+                                    "schema": {"$ref": "#/components/schemas/resource"},
                                 }
                             },
                         },
@@ -64,7 +60,6 @@ class ResourceHandler(OpenAPIRequestHandler):
             }
         },
     }
-    )
     custom_media_type_deserializers = {
         "application/vnd.example.resource+json": json.loads,
     }

tests/test_testing.py

@@ -1,6 +1,5 @@
 import json
 
-from openapi_core import create_spec  # type: ignore
 from openapi_core.schema.responses.exceptions import InvalidResponse  # type: ignore
 import tornado.web  # type: ignore
 
@@ -11,8 +10,7 @@ from tornado_openapi3.testing import AsyncOpenAPITestCase
 def spec(responses: dict = dict()) -> dict:
     if not responses:
         responses = {"200": {"description": "Success"}}
-    return create_spec(
-        {
+    return {
         "openapi": "3.0.0",
         "info": {
             "title": "Test API",
@@ -35,7 +33,6 @@ def spec(responses: dict = dict()) -> dict:
             }
         },
     }
-    )
 
 
 class TestTestCase(AsyncOpenAPITestCase):
@@ -54,7 +51,7 @@ class TestTestCase(AsyncOpenAPITestCase):
 
 
 class BaseTestCase(AsyncOpenAPITestCase):
-    spec = spec()
+    spec_dict = spec()
     custom_media_type_deserializers = {
         "application/vnd.example.resource+json": json.loads,
     }
@@ -76,7 +73,7 @@ class BaseTestCase(AsyncOpenAPITestCase):
 
 
 class SuccessTests(BaseTestCase):
-    spec = spec(
+    spec_dict = spec(
         responses={
             "200": {
                 "description": "Success",
@@ -99,7 +96,7 @@ class SuccessTests(BaseTestCase):
 
 
 class IncorrectResponseTests(BaseTestCase):
-    spec = spec(responses={"200": {"description": "Success"}})
+    spec_dict = spec(responses={"200": {"description": "Success"}})
 
     async def get(self, handler: tornado.web.RequestHandler) -> None:
         handler.set_status(400)
@@ -111,7 +108,7 @@ class IncorrectResponseTests(BaseTestCase):
 
 
 class RaiseErrorTests(BaseTestCase):
-    spec = spec(
+    spec_dict = spec(
         responses={
             "500": {
                 "description": "An error has occurred.",

tornado_openapi3/handler.py

@@ -1,6 +1,7 @@
 import asyncio
 import logging
 
+from openapi_core import create_spec  # type: ignore
 from openapi_core.exceptions import OpenAPIError  # type: ignore
 from openapi_core.deserializing.exceptions import DeserializeError  # type: ignore
 from openapi_core.schema.specs.models import Spec  # type: ignore
@@ -21,16 +22,38 @@ logger = logging.getLogger(__name__)
 
 
 class OpenAPIRequestHandler(tornado.web.RequestHandler):
+    """Base class for HTTP request handlers.
+
+    A request handler extending :py:class:`tornado.web.RequestHandler` providing
+    OpenAPI spec validation on incoming requests and translating errors into
+    appropriate HTTP responses.
+
+    """
+
     @property
-    def spec(self) -> Spec:
-        """The OpenAPI 3 specification.
+    def spec_dict(self) -> dict:
+        """The OpenAPI 3 specification
 
         Override this in your request handlers to load or define your OpenAPI 3
         spec.
 
+        :rtype: dict
+
         """
         raise NotImplementedError()
 
+    @property
+    def spec(self) -> Spec:
+        """The OpenAPI 3 specification.
+
+        Override this in your request handlers to customize how your OpenAPI 3
+        spec is loaded and validated.
+
+        :rtype: :py:class:`openapi_core.schema.specs.model.Spec`
+
+        """
+        return create_spec(self.spec_dict, validate_spec=False)
+
     @property
     def custom_media_type_deserializers(self) -> dict:
         """A dictionary mapping media types to deserializing functions.

tornado_openapi3/testing.py

@@ -3,20 +3,42 @@ from typing import Any
 import tornado.httpclient  # type: ignore
 import tornado.testing  # type: ignore
 
+from openapi_core import create_spec  # type: ignore
 from openapi_core.schema.specs.models import Spec  # type: ignore
 from tornado_openapi3.responses import ResponseValidator
 
 
 class AsyncOpenAPITestCase(tornado.testing.AsyncHTTPTestCase):
+    """A test case that starts up an HTTP server.
+
+    An async test case extending :py:class:`tornado.testing.AsyncHTTPTestCase`,
+    providing OpenAPI spec validation on the responses from your application and
+    raising errors in tests.
+
+    """
+
+    @property
+    def spec_dict(self) -> dict:
+        """The OpenAPI 3 specification
+
+        Override this in your test cases to load or define your OpenAPI 3 spec.
+
+        :rtype: dict
+
+        """
+        raise NotImplementedError()
+
     @property
     def spec(self) -> Spec:
         """The OpenAPI 3 specification.
 
-        Override this in your request handlers to load or define your OpenAPI 3
-        spec.
+        Override this in your test cases to customize how your OpenAPI 3 spec is
+        loaded and validated.
+
+        :rtype: :py:class:`openapi_core.schema.specs.model.Spec`
 
         """
-        raise NotImplementedError()
+        return create_spec(self.spec_dict)
 
     @property
     def custom_media_type_deserializers(self) -> dict: