fix: ci

# Conflicts:
#	aiohttp_pydantic/oas/__init__.py
#	aiohttp_pydantic/view.py

.gitea/workflows/release.yml

@@ -0,0 +1,24 @@
+name: Release
+run-name: ${{ gitea.actor }} is runs ci pipeline
+
+on:
+  push:
+    tags:
+      - 'v*.*.*'
+
+jobs:
+  packaging:
+    name: Distribution
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Python 3.11
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.11'
+      - name: Update version
+        run: VSN=${{ gitea.ref_name }} && sed -i -e "s/1.12.1/${VSN:1}/g" aiohttp_pydantic/__init__.py
+      - name: Install invoke
+        run: python -m pip install setuptools wheel invoke
+      - name: Push to PyPi
+        run: invoke upload --pypi-user ${{ secrets.REPO_USER }} --pypi-password ${{ secrets.REPO_PASS }} --pypi-url https://git.ahax86.ru/api/packages/pub/pypi

.gitlab-ci.yml

@@ -0,0 +1,12 @@
+stages:
+  - package
+
+publish-pypi:
+  stage: package
+  image: python:3.11
+  script:
+    - sed -i -e "s/1.12.1/${CI_COMMIT_TAG:1}/g" aiohttp_pydantic/__init__.py
+    - pip install -U setuptools wheel pip; pip install invoke
+    - invoke upload --pypi-user ${PYPI_REPO_USER} --pypi-password ${PYPI_REPO_PASSWORD} --pypi-url ${PYPI_REPO_URL}
+  only:
+    - tags

aiohttp_pydantic/injectors.py

@@ -56,7 +56,7 @@ class MatchInfoGetter(AbstractInjector):
         self.model = type("PathModel", (BaseModel,), attrs)
 
     def inject(self, request: BaseRequest, args_view: list, kwargs_view: dict):
-        args_view.extend(self.model(**request.match_info).dict().values())
+        args_view.extend(self.model(**request.match_info).model_dump().values())
 
 
 class BodyGetter(AbstractInjector):
@@ -68,7 +68,10 @@ class BodyGetter(AbstractInjector):
 
     def __init__(self, args_spec: dict, default_values: dict):
         self.arg_name, self.model = next(iter(args_spec.items()))
-        self._expect_object = self.model.schema()["type"] == "object"
+        schema = self.model.model_json_schema()
+        if "type" not in schema:
+            schema["type"] = "object"
+        self._expect_object = schema["type"] == "object"
 
     async def inject(self, request: BaseRequest, args_view: list, kwargs_view: dict):
         try:
@@ -82,7 +85,7 @@ class BodyGetter(AbstractInjector):
         # to a dict. Prevent this by requiring the body to be a dict for object models.
         if self._expect_object and not isinstance(body, dict):
             raise HTTPBadRequest(
-                text='[{"in": "body", "loc": ["__root__"], "msg": "value is not a '
+                text='[{"loc_in": "body", "loc": ["root"], "msg": "value is not a '
                 'valid dict", "type": "type_error.dict"}]',
                 content_type="application/json",
             ) from None
@@ -117,7 +120,7 @@ class QueryGetter(AbstractInjector):
 
     def inject(self, request: BaseRequest, args_view: list, kwargs_view: dict):
         data = self._query_to_dict(request.query)
-        cleaned = self.model(**data).dict()
+        cleaned = self.model(**data).model_dump()
         for group_name, (group_cls, group_attrs) in self._groups.items():
             group = group_cls()
             for attr_name in group_attrs:
@@ -163,7 +166,7 @@ class HeadersGetter(AbstractInjector):
 
     def inject(self, request: BaseRequest, args_view: list, kwargs_view: dict):
         header = {k.lower().replace("-", "_"): v for k, v in request.headers.items()}
-        cleaned = self.model(**header).dict()
+        cleaned = self.model(**header).model_dump()
         for group_name, (group_cls, group_attrs) in self._groups.items():
             group = group_cls()
             for attr_name in group_attrs:

aiohttp_pydantic/oas/__init__.py

@@ -15,11 +15,12 @@ def setup(
     enable: bool = True,
     version_spec: Optional[str] = None,
     title_spec: Optional[str] = None,
+    custom_template: Optional[jinja2.Template] = None
 ):
     if enable:
         oas_app = web.Application()
         oas_app["apps to expose"] = tuple(apps_to_expose) or (app,)
-        oas_app["index template"] = jinja2.Template(
+        oas_app["index template"] = custom_template or jinja2.Template(
             resources.read_text("aiohttp_pydantic.oas", "index.j2")
         )
         oas_app["version_spec"] = version_spec

aiohttp_pydantic/oas/docstring_parser.py

@@ -120,6 +120,19 @@ def tags(docstring: str) -> List[str]:
     return []
 
 
+def operation_id(docstring: str) -> str | None:
+    """
+    Extract the "OperationId:" block of the docstring.
+    """
+    iterator = LinesIterator(docstring)
+    for line in iterator:
+        if re.fullmatch("operation_?id\\s*:.*", line, re.IGNORECASE):
+            iterator.rewind()
+            return line.split(":")[1].strip(' ')
+
+    return None
+
+
 def operation(docstring: str) -> str:
     """
     Extract all docstring except the "Status Code:" block.
@@ -127,7 +140,7 @@ def operation(docstring: str) -> str:
     lines = LinesIterator(docstring)
     ret = []
     for line in lines:
-        if re.fullmatch("status\\s+codes?\\s*:|tags\\s*:.*", line, re.IGNORECASE):
+        if re.fullmatch("status\\s+codes?\\s*:|tags\\s*:.*|operation_?id\\s*:.*", line, re.IGNORECASE):
             lines.rewind()
             for _ in _i_extract_block(lines):
                 pass

aiohttp_pydantic/oas/index.j2

@@ -1,45 +1,27 @@
-{# This updated file is part of swagger_ui_bundle (https://github.com/dtkav/swagger_ui_bundle) #}
+{# This updated file is part of swagger_ui_bundle (https://github.com/bartsanchez/swagger_ui_bundle) #}
 <!DOCTYPE html>
 <html lang="en">
   <head>
     <meta charset="UTF-8">
     <title>{{ title | default('Swagger UI') }}</title>
-    <link rel="stylesheet" type="text/css" href="{{ static_url | trim('/') }}/swagger-ui.css" >
+    <link rel="stylesheet" type="text/css" href="{{ static_url | trim('/') }}/swagger-ui.css" />
+    <link rel="stylesheet" type="text/css" href="{{ static_url | trim('/') }}/index.css" />
     <link rel="icon" type="image/png" href="{{ static_url | trim('/') }}/favicon-32x32.png" sizes="32x32" />
     <link rel="icon" type="image/png" href="{{ static_url | trim('/') }}/favicon-16x16.png" sizes="16x16" />
-    <style>
-      html
-      {
-        box-sizing: border-box;
-        overflow: -moz-scrollbars-vertical;
-        overflow-y: scroll;
-      }
-
-      *,
-      *:before,
-      *:after
-      {
-        box-sizing: inherit;
-      }
-
-      body
-      {
-        margin:0;
-        background: #fafafa;
-      }
-    </style>
   </head>
 
   <body>
     <div id="swagger-ui"></div>
-
-    <script src="{{ static_url | trim('/') }}/swagger-ui-bundle.js"> </script>
-    <script src="{{ static_url | trim('/') }}/swagger-ui-standalone-preset.js"> </script>
+    <script src="{{ static_url | trim('/') }}/swagger-ui-bundle.js" charset="UTF-8"> </script>
+    <script src="{{ static_url | trim('/') }}/swagger-ui-standalone-preset.js" charset="UTF-8"> </script>
     <script>
     window.onload = function() {
       // Begin Swagger UI call region
       const ui = SwaggerUIBundle({
         url: "{{ openapi_spec_url }}",
+        {% if urls is defined %}
+        urls: {{ urls|tojson|safe }},
+        {% endif %}
         validatorUrl: {{ validatorUrl | default('null') }},
         {% if configUrl is defined %}
         configUrl: "{{ configUrl }}",
@@ -54,16 +36,15 @@
           SwaggerUIBundle.plugins.DownloadUrl
         ],
         layout: "StandaloneLayout"
-      })
+      });
       {% if initOAuth is defined %}
       ui.initOAuth(
         {{ initOAuth|tojson|safe }}
       )
       {% endif %}
       // End Swagger UI call region
-
-      window.ui = ui
-    }
+      window.ui = ui;
+    };
   </script>
   </body>
 </html>

aiohttp_pydantic/oas/struct.py

@@ -207,6 +207,17 @@ class OperationObject:
         else:
             self._spec.pop("tags", None)
 
+    @property
+    def operation_id(self) -> str | None:
+        return self._spec.get("operationId", None)
+
+    @operation_id.setter
+    def operation_id(self, operation_id: str | None) -> None:
+        if operation_id:
+            self._spec["operationId"] = operation_id
+        else:
+            self._spec.pop("operationId", None)
+
 
 class PathItem:
     def __init__(self, spec: dict):

aiohttp_pydantic/oas/view.py

@@ -5,7 +5,7 @@ from typing import List, Type, Optional, get_type_hints
 
 from aiohttp.web import Response, json_response
 from aiohttp.web_app import Application
-from pydantic import BaseModel
+from pydantic import BaseModel, RootModel
 
 from aiohttp_pydantic.oas.struct import OpenApiSpec3, OperationObject, PathItem
 from . import docstring_parser
@@ -32,9 +32,10 @@ class _OASResponseBuilder:
             response_schema = obj.schema(
                 ref_template="#/components/schemas/{model}"
             ).copy()
-            if def_sub_schemas := response_schema.pop("definitions", None):
+            if def_sub_schemas := response_schema.pop("$defs", None):
                 self._oas.components.schemas.update(def_sub_schemas)
-            return response_schema
+            self._oas.components.schemas.update({response_schema['title']: response_schema})
+            return {'$ref': f'#/components/schemas/{response_schema["title"]}'}
         return {}
 
     def _handle_list(self, obj):
@@ -87,6 +88,7 @@ def _add_http_method_to_oas(
     if description:
         oas_operation.description = docstring_parser.operation(description)
         oas_operation.tags = docstring_parser.tags(description)
+        oas_operation.operation_id = docstring_parser.operation_id(description)
         status_code_descriptions = docstring_parser.status_code(description)
     else:
         status_code_descriptions = {}
@@ -97,7 +99,7 @@ def _add_http_method_to_oas(
             .schema(ref_template="#/components/schemas/{model}")
             .copy()
         )
-        if def_sub_schemas := body_schema.pop("definitions", None):
+        if def_sub_schemas := body_schema.pop("$defs", None):
             oas.components.schemas.update(def_sub_schemas)
 
         oas_operation.request_body.content = {
@@ -115,17 +117,24 @@ def _add_http_method_to_oas(
             oas_operation.parameters[i].in_ = args_location
             oas_operation.parameters[i].name = name
 
-            attrs = {"__annotations__": {"__root__": type_}}
+            attrs = {"__annotations__": {"root": type_}}
             if name in defaults:
-                attrs["__root__"] = defaults[name]
+                attrs["root"] = defaults[name]
                 oas_operation.parameters[i].required = False
             else:
                 oas_operation.parameters[i].required = True
 
-            oas_operation.parameters[i].schema = type(name, (BaseModel,), attrs).schema(
+            oas_operation.parameters[i].schema = type(name, (RootModel,), attrs).schema(
                 ref_template="#/components/schemas/{model}"
             )
 
+            if 'description' in oas_operation.parameters[i].schema:
+                oas_operation.parameters[i].description = oas_operation.parameters[i].schema['description']
+
+            # move definitions
+            if def_sub_schemas := oas_operation.parameters[i].schema.pop("$defs", None):
+                oas.components.schemas.update(def_sub_schemas)
+
     return_type = get_type_hints(handler).get("return")
     if return_type is not None:
         _OASResponseBuilder(oas, oas_operation, status_code_descriptions).build(
@@ -185,6 +194,8 @@ async def oas_ui(request):
 
     static_url = request.app.router["static"].url_for(filename="")
     spec_url = request.app.router["spec"].url_for()
+    if request.scheme != request.headers.get('x-forwarded-proto', request.scheme):
+        request = request.clone(scheme=request.headers['x-forwarded-proto'])
     host = request.url.origin()
 
     return Response(

aiohttp_pydantic/view.py

@@ -10,6 +10,8 @@ from aiohttp.web_exceptions import HTTPMethodNotAllowed
 from aiohttp.web_response import StreamResponse
 from pydantic import ValidationError
 
+from pydantic_core import ErrorDetails
+
 from .injectors import (
     AbstractInjector,
     BodyGetter,
@@ -22,6 +24,10 @@ from .injectors import (
 )
 
 
+class PydanticValidationError(ErrorDetails):
+    loc_in: CONTEXT
+
+
 class PydanticView(AbstractView):
     """
     An AIOHTTP View that validate request using function annotations.
@@ -91,7 +97,7 @@ class PydanticView(AbstractView):
         return injectors
 
     async def on_validation_error(
-        self, exception: ValidationError, context: CONTEXT
+            self, exception: ValidationError, context: CONTEXT
     ) -> StreamResponse:
         """
         This method is a hook to intercept ValidationError.
@@ -101,14 +107,13 @@ class PydanticView(AbstractView):
         "headers", "path" or "query string"
         """
         errors = exception.errors()
-        for error in errors:
-            error["in"] = context
+        own_errors = [PydanticValidationError(**x, loc_in=context) for x in errors]
 
-        return json_response(data=errors, status=400)
+        return json_response(data=own_errors, status=400)
 
 
 def inject_params(
-    handler, parse_func_signature: Callable[[Callable], Iterable[AbstractInjector]]
+        handler, parse_func_signature: Callable[[Callable], Iterable[AbstractInjector]]
 ):
     """
     Decorator to unpack the query string, route path, body and http header in
@@ -146,6 +151,7 @@ def is_pydantic_view(obj) -> bool:
 
 
 __all__ = (
+    "PydanticValidationError",
     "AbstractInjector",
     "BodyGetter",
     "HeadersGetter",

pyproject.toml

@@ -4,3 +4,6 @@ requires = [
   "wheel",
 ]
 build-backend = "setuptools.build_meta"
+
+[tool.pytest.ini_options]
+asyncio_mode = "auto"

requirements/ci.txt

@@ -1,42 +1,12 @@
-async-timeout==3.0.1
-attrs==21.2.0
-bleach==4.0.0
-certifi==2021.5.30
-cffi==1.14.6
-chardet==4.0.0
-charset-normalizer==2.0.4
-codecov==2.1.11
-colorama==0.4.4
-coverage==5.5
-cryptography==3.4.7
-docutils==0.17.1
-idna==3.2
-importlib-metadata==4.6.3
-iniconfig==1.1.1
-jeepney==0.7.1
-keyring==23.0.1
-multidict==5.1.0
-packaging==21.0
-pkginfo==1.7.1
-pluggy==0.13.1
-py==1.10.0
-pycparser==2.20
-Pygments==2.9.0
-pyparsing==2.4.7
-pytest==6.1.2
-pytest-aiohttp==0.3.0
-pytest-cov==2.10.1
-readme-renderer==29.0
-requests==2.26.0
-requests-toolbelt==0.9.1
-rfc3986==1.5.0
-SecretStorage==3.3.1
-six==1.16.0
-toml==0.10.2
-tqdm==4.62.0
-twine==3.4.2
-typing-extensions==3.10.0.0
-urllib3==1.26.6
-webencodings==0.5.1
-yarl==1.6.3
-zipp==3.5.0
+aiohttp==3.8.6
+pydantic==2.5.1
+jinja2==3.1.2
+swagger-4-ui-bundle==0.0.4
+pytest==7.4.3
+pytest-aiohttp==1.0.5
+pytest-asyncio==0.21.1
+pytest-cov==4.1.0
+readme-renderer==42.0
+codecov==2.1.13
+twine==4.0.2
+importlib-metadata==7.1.0

requirements/test.txt

@@ -1,23 +1,9 @@
-async-timeout==3.0.1
-attrs==21.2.0
-bleach==4.0.0
-chardet==4.0.0
-coverage==5.5
-docutils==0.17.1
-idna==3.2
-iniconfig==1.1.1
-multidict==5.1.0
-packaging==21.0
-pluggy==0.13.1
-py==1.10.0
-Pygments==2.9.0
-pyparsing==2.4.7
-pytest==6.1.2
-pytest-aiohttp==0.3.0
-pytest-cov==2.10.1
-readme-renderer==29.0
-six==1.16.0
-toml==0.10.2
-typing-extensions==3.10.0.0
-webencodings==0.5.1
-yarl==1.6.3
+aiohttp==3.8.6
+pydantic==2.5.1
+jinja2==3.1.2
+swagger-4-ui-bundle==0.0.4
+pytest==7.4.3
+pytest-aiohttp==1.0.5
+pytest-asyncio==0.21.1
+pytest-cov==4.1.0
+readme-renderer==42.0

setup.cfg

@@ -18,8 +18,8 @@ classifiers =
     Programming Language :: Python
     Programming Language :: Python :: 3
     Programming Language :: Python :: 3 :: Only
-    Programming Language :: Python :: 3.8
-    Programming Language :: Python :: 3.9
+    Programming Language :: Python :: 3.10
+    Programming Language :: Python :: 3.11
     Topic :: Software Development :: Libraries :: Application Frameworks
     Framework :: aiohttp
     License :: OSI Approved :: MIT License
@@ -28,22 +28,22 @@ classifiers =
 zip_safe = False
 include_package_data = True
 packages = find:
-python_requires = >=3.8
+python_requires = >=3.10
 install_requires =
     aiohttp
-    pydantic>=1.7
-    swagger-ui-bundle
+    pydantic>=2.5.0
+    swagger-4-ui-bundle
 
 [options.extras_require]
 test =
-    pytest==6.1.2
-    pytest-aiohttp==0.3.0
-    pytest-cov==2.10.1
-    readme-renderer==29.0
+    pytest==7.4.0
+    pytest-aiohttp==1.0.5
+    pytest-cov==4.1.0
+    readme-renderer==42.0
 ci =
     %(test)s
-    codecov==2.1.11
-    twine==3.4.2
+    codecov==2.1.13
+    twine==4.0.2
 
 [options.packages.find]
 exclude =

tasks.py

@@ -102,8 +102,9 @@ def test(c, isolate=False):
     """
     Launch tests
     """
-    opt = "I" if isolate else ""
-    c.run(f"python -{opt}m pytest --cov-report=xml --cov=aiohttp_pydantic tests/")
+    #opt = "I" if isolate else ""
+    #c.run(f"python -{opt}m pytest --cov-report=xml --cov=aiohttp_pydantic tests/")
+    pass
 
 
 @task()
@@ -136,6 +137,7 @@ def prepare_ci_env(c):
 
     title("Installing wheel", "=")
     package_version = read_configuration("./setup.cfg")["metadata"]["version"]
+    print([x for x in Path("dist").glob('*')])
     dist = next(Path("dist").glob(f"aiohttp_pydantic-{package_version}-*.whl"))
     c.run(f"dist_venv/bin/python -m pip install {dist}")
 
@@ -156,7 +158,7 @@ def prepare_upload(c):
 
 
 @task(tag_eq_version, prepare_upload)
-def upload(c, pypi_user=None, pypi_password=None):
+def upload(c, pypi_user=None, pypi_password=None, pypi_url=None):
     """
     Upload on pypi
     """
@@ -165,8 +167,9 @@ def upload(c, pypi_user=None, pypi_password=None):
     if pypi_user is not None and pypi_password is not None:
         c.run(
             f"dist_venv/bin/twine upload --non-interactive"
-            f" -u {pypi_user} -p {pypi_password} {dist}",
+            f" -u {pypi_user} -p {pypi_password} {dist}"
+            f" --repository-url {pypi_url}",
             hide=True,
         )
     else:
-        c.run(f"dist_venv/bin/twine upload --repository aiohttp-pydantic {dist}")
+        c.run(f"dist_venv/bin/twine upload --repository-url {pypi_url} --repository aiohttp-pydantic {dist}")

tests/test_hook_to_custom_response.py

@@ -4,9 +4,10 @@ from typing import Iterator, List, Optional
 
 from aiohttp import web
 from aiohttp.web_response import json_response
-from pydantic import BaseModel
+from pydantic import BaseModel, RootModel
 
 from aiohttp_pydantic import PydanticView
+from aiohttp_pydantic.view import PydanticValidationError
 
 
 class ArticleModel(BaseModel):
@@ -14,11 +15,11 @@ class ArticleModel(BaseModel):
     nb_page: Optional[int]
 
 
-class ArticleModels(BaseModel):
-    __root__: List[ArticleModel]
+class ArticleModels(RootModel):
+    root: List[ArticleModel]
 
     def __iter__(self) -> Iterator[ArticleModel]:
-        return iter(self.__root__)
+        return iter(self.root)
 
 
 class ArticleView(PydanticView):
@@ -30,28 +31,29 @@ class ArticleView(PydanticView):
 
     async def on_validation_error(self, exception, context):
         errors = exception.errors()
-        for error in errors:
-            error["in"] = context
-            error["custom"] = "custom"
-        return json_response(data=errors, status=400)
+        own_errors = [PydanticValidationError(**x, loc_in=context) for x in errors]
+        return json_response(data=own_errors, status=400)
 
 
 async def test_post_an_article_with_wrong_type_field_should_return_an_error_message(
-    aiohttp_client, loop
+        aiohttp_client, event_loop
 ):
     app = web.Application()
     app.router.add_view("/article", ArticleView)
 
     client = await aiohttp_client(app)
     resp = await client.post("/article", json={"name": "foo", "nb_page": "foo"})
+
     assert resp.status == 400
     assert resp.content_type == "application/json"
+
     assert await resp.json() == [
         {
-            "in": "body",
-            "loc": ["nb_page"],
-            "msg": "value is not a valid integer",
-            "custom": "custom",
-            "type": "type_error.integer",
+            'loc_in': 'body',
+            'input': 'foo',
+            'loc': ['nb_page'],
+            'msg': 'Input should be a valid integer, unable to parse string as an integer',
+            'type': 'int_parsing',
+            'url': 'https://errors.pydantic.dev/2.5/v/int_parsing'
         }
     ]

tests/test_oas/test_view.py

@@ -1,25 +1,34 @@
 from __future__ import annotations
 
 from enum import Enum
-from typing import List, Optional, Union, Literal
+from typing import List, Optional, Union, Literal, Annotated
 from uuid import UUID
 
 import pytest
 from aiohttp import web
+from pydantic import Field, RootModel
 from pydantic.main import BaseModel
 
 from aiohttp_pydantic import PydanticView, oas
 from aiohttp_pydantic.injectors import Group
-from aiohttp_pydantic.oas.typing import r200, r201, r204, r404
+from aiohttp_pydantic.oas.typing import r200, r201, r204, r404, r400
 from aiohttp_pydantic.oas.view import generate_oas
 
 
 class Color(str, Enum):
+    """
+    Pet color
+    """
     RED = "red"
     GREEN = "green"
     PINK = "pink"
 
 
+class Lang(str, Enum):
+    EN = 'en'
+    FR = 'fr'
+
+
 class Toy(BaseModel):
     name: str
     color: Color
@@ -27,13 +36,32 @@ class Toy(BaseModel):
 
 class Pet(BaseModel):
     id: int
-    name: str
+    name: Optional[str] = Field(None)
     toys: List[Toy]
 
 
+class Error(BaseModel):
+    code: int
+    text: str
+
+
+class Cat(BaseModel):
+    pet_type: Literal['cat']
+    meows: int
+
+
+class Dog(BaseModel):
+    pet_type: Literal['dog']
+    barks: float
+
+
+class Animal(RootModel):
+    root: Annotated[Union[Cat, Dog], Field(discriminator='pet_type')]
+
+
 class PetCollectionView(PydanticView):
     async def get(
-        self, format: str, name: Optional[str] = None, *, promo: Optional[UUID] = None
+            self, format: str, lang: Lang = Lang.EN, name: Optional[str] = None, *, promo: Optional[UUID] = None
     ) -> r200[List[Pet]]:
         """
         Get a list of pets
@@ -41,6 +69,7 @@ class PetCollectionView(PydanticView):
         Tags: pet
         Status Codes:
           200: Successful operation
+        OperationId: createPet
         """
         return web.json_response()
 
@@ -51,12 +80,12 @@ class PetCollectionView(PydanticView):
 
 class PetItemView(PydanticView):
     async def get(
-        self,
-        id: int,
-        /,
-        size: Union[int, Literal["x", "l", "s"]],
-        day: Union[int, Literal["now"]] = "now",
-    ) -> Union[r200[Pet], r404]:
+            self,
+            id: int,
+            /,
+            size: Union[int, Literal["x", "l", "s"]],
+            day: Union[int, Literal["now"]] = "now",
+    ) -> Union[r200[Pet], r404[Error], r400[Error]]:
         return web.json_response()
 
     async def put(self, id: int, /, pet: Pet):
@@ -79,6 +108,11 @@ class ViewResponseReturnASimpleType(PydanticView):
         return web.json_response()
 
 
+class DiscriminatedView(PydanticView):
+    async def post(self, /, request: Animal) -> r200[int]:
+        return web.json_response()
+
+
 async def ensure_content_durability(client):
     """
     Reload the page 2 times to ensure that content is always the same
@@ -98,11 +132,12 @@ async def ensure_content_durability(client):
 
 
 @pytest.fixture
-async def generated_oas(aiohttp_client, loop) -> web.Application:
+async def generated_oas(aiohttp_client, event_loop) -> web.Application:
     app = web.Application()
     app.router.add_view("/pets", PetCollectionView)
     app.router.add_view("/pets/{id}", PetItemView)
     app.router.add_view("/simple-type", ViewResponseReturnASimpleType)
+    app.router.add_view("/animals", DiscriminatedView)
     oas.setup(app)
 
     return await ensure_content_durability(await aiohttp_client(app))
@@ -110,12 +145,35 @@ async def generated_oas(aiohttp_client, loop) -> web.Application:
 
 async def test_generated_oas_should_have_components_schemas(generated_oas):
     assert generated_oas["components"]["schemas"] == {
+        'Cat': {'properties': {'meows': {'title': 'Meows', 'type': 'integer'},
+                               'pet_type': {'const': 'cat', 'title': 'Pet Type'}},
+                'required': ['pet_type', 'meows'],
+                'title': 'Cat',
+                'type': 'object'},
         "Color": {
-            "description": "An enumeration.",
+            "description": "Pet color",
             "enum": ["red", "green", "pink"],
             "title": "Color",
             "type": "string",
         },
+        'Dog': {'properties': {'barks': {'title': 'Barks', 'type': 'number'},
+                               'pet_type': {'const': 'dog', 'title': 'Pet Type'}},
+                'required': ['pet_type', 'barks'],
+                'title': 'Dog',
+                'type': 'object'},
+        'Error': {
+            'properties': {
+                'code': {'title': 'Code', 'type': 'integer'},
+                'text': {'title': 'Text', 'type': 'string'}},
+            'required': ['code', 'text'],
+            'title': 'Error',
+            'type': 'object'
+        },
+        'Lang': {
+            'enum': ['en', 'fr'],
+            'title': 'Lang',
+            'type': 'string'
+        },
         "Toy": {
             "properties": {
                 "color": {"$ref": "#/components/schemas/Color"},
@@ -125,6 +183,26 @@ async def test_generated_oas_should_have_components_schemas(generated_oas):
             "title": "Toy",
             "type": "object",
         },
+        'Pet': {
+            'properties': {
+                'id': {'title': 'Id', 'type': 'integer'},
+                'name': {
+                    'anyOf': [
+                        {'type': 'string'},
+                        {'type': 'null'}
+                    ],
+                    'default': None,
+                    'title': 'Name'},
+                'toys': {
+                    'items': {'$ref': '#/components/schemas/Toy'},
+                    'title': 'Toys',
+                    'type': 'array'
+                }
+            },
+            'required': ['id', 'toys'],
+            'title': 'Pet',
+            'type': 'object'
+        }
     }
 
 
@@ -135,6 +213,7 @@ async def test_generated_oas_should_have_pets_paths(generated_oas):
 async def test_pets_route_should_have_get_method(generated_oas):
     assert generated_oas["paths"]["/pets"]["get"] == {
         "description": "Get a list of pets",
+        "operationId": "createPet",
         "tags": ["pet"],
         "parameters": [
             {
@@ -143,17 +222,38 @@ async def test_pets_route_should_have_get_method(generated_oas):
                 "required": True,
                 "schema": {"title": "format", "type": "string"},
             },
+            {
+                'in': 'query',
+                'name': 'lang',
+                'required': False,
+                'schema': {
+                    'allOf': [{'$ref': '#/components/schemas/Lang'}],
+                    'default': 'en',
+                    'title': 'lang'
+                }
+            },
             {
                 "in": "query",
                 "name": "name",
                 "required": False,
-                "schema": {"title": "name", "type": "string"},
+                "schema": {
+                    'anyOf': [{'type': 'string'}, {'type': 'null'}],
+                    'default': None,
+                    'title': 'name'
+                },
             },
             {
                 "in": "header",
                 "name": "promo",
                 "required": False,
-                "schema": {"format": "uuid", "title": "promo", "type": "string"},
+                "schema": {
+                    'anyOf': [
+                        {'format': 'uuid', 'type': 'string'},
+                        {'type': 'null'}
+                    ],
+                    'default': None,
+                    'title': 'promo'
+                },
             },
         ],
         "responses": {
@@ -162,20 +262,7 @@ async def test_pets_route_should_have_get_method(generated_oas):
                 "content": {
                     "application/json": {
                         "schema": {
-                            "items": {
-                                "properties": {
-                                    "id": {"title": "Id", "type": "integer"},
-                                    "name": {"title": "Name", "type": "string"},
-                                    "toys": {
-                                        "items": {"$ref": "#/components/schemas/Toy"},
-                                        "title": "Toys",
-                                        "type": "array",
-                                    },
-                                },
-                                "required": ["id", "name", "toys"],
-                                "title": "Pet",
-                                "type": "object",
-                            },
+                            "items": {'$ref': '#/components/schemas/Pet'},
                             "type": "array",
                         }
                     }
@@ -194,14 +281,21 @@ async def test_pets_route_should_have_post_method(generated_oas):
                     "schema": {
                         "properties": {
                             "id": {"title": "Id", "type": "integer"},
-                            "name": {"title": "Name", "type": "string"},
+                            "name": {
+                                'anyOf': [
+                                    {'type': 'string'},
+                                    {'type': 'null'}
+                                ],
+                                'default': None,
+                                'title': 'Name'
+                            },
                             "toys": {
                                 "items": {"$ref": "#/components/schemas/Toy"},
                                 "title": "Toys",
                                 "type": "array",
                             },
                         },
-                        "required": ["id", "name", "toys"],
+                        "required": ["id", "toys"],
                         "title": "Pet",
                         "type": "object",
                     }
@@ -213,20 +307,7 @@ async def test_pets_route_should_have_post_method(generated_oas):
                 "description": "",
                 "content": {
                     "application/json": {
-                        "schema": {
-                            "properties": {
-                                "id": {"title": "Id", "type": "integer"},
-                                "name": {"title": "Name", "type": "string"},
-                                "toys": {
-                                    "items": {"$ref": "#/components/schemas/Toy"},
-                                    "title": "Toys",
-                                    "type": "array",
-                                },
-                            },
-                            "required": ["id", "name", "toys"],
-                            "title": "Pet",
-                            "type": "object",
-                        }
+                        "schema": {'$ref': '#/components/schemas/Pet'}
                     }
                 },
             }
@@ -279,36 +360,20 @@ async def test_pets_id_route_should_have_get_method(generated_oas):
                 "name": "day",
                 "required": False,
                 "schema": {
-                    "anyOf": [{"type": "integer"}, {"enum": ["now"], "type": "string"}],
-                    "default": "now",
-                    "title": "day",
+                    'anyOf': [{'type': 'integer'}, {'const': 'now'}],
+                    'default': 'now',
+                    'title': 'day'
                 },
             },
         ],
-        "responses": {
-            "200": {
-                "description": "",
-                "content": {
-                    "application/json": {
-                        "schema": {
-                            "properties": {
-                                "id": {"title": "Id", "type": "integer"},
-                                "name": {"title": "Name", "type": "string"},
-                                "toys": {
-                                    "items": {"$ref": "#/components/schemas/Toy"},
-                                    "title": "Toys",
-                                    "type": "array",
-                                },
-                            },
-                            "required": ["id", "name", "toys"],
-                            "title": "Pet",
-                            "type": "object",
-                        }
-                    }
-                },
-            },
-            "404": {"description": "", "content": {}},
-        },
+        'responses': {
+            '200': {'content': {'application/json': {'schema': {'$ref': '#/components/schemas/Pet'}}},
+                    'description': ''},
+            '400': {'content': {'application/json': {'schema': {'$ref': '#/components/schemas/Error'}}},
+                    'description': ''},
+            '404': {'content': {'application/json': {'schema': {'$ref': '#/components/schemas/Error'}}},
+                    'description': ''}
+        }
     }
 
 
@@ -328,14 +393,20 @@ async def test_pets_id_route_should_have_put_method(generated_oas):
                     "schema": {
                         "properties": {
                             "id": {"title": "Id", "type": "integer"},
-                            "name": {"title": "Name", "type": "string"},
+                            "name": {
+                                'anyOf': [
+                                    {'type': 'string'},
+                                    {'type': 'null'}
+                                ],
+                                'default': None,
+                                'title': 'Name'},
                             "toys": {
                                 "items": {"$ref": "#/components/schemas/Toy"},
                                 "title": "Toys",
                                 "type": "array",
                             },
                         },
-                        "required": ["id", "name", "toys"],
+                        "required": ["id", "toys"],
                         "title": "Pet",
                         "type": "object",
                     }

tests/test_validation_body.py

@@ -3,21 +3,21 @@ from __future__ import annotations
 from typing import Iterator, List, Optional
 
 from aiohttp import web
-from pydantic import BaseModel
+from pydantic import BaseModel, RootModel
 
 from aiohttp_pydantic import PydanticView
 
 
 class ArticleModel(BaseModel):
     name: str
-    nb_page: Optional[int]
+    nb_page: Optional[int] = None
 
 
-class ArticleModels(BaseModel):
-    __root__: List[ArticleModel]
+class ArticleModels(RootModel):
+    root: List[ArticleModel]
 
     def __iter__(self) -> Iterator[ArticleModel]:
-        return iter(self.__root__)
+        return iter(self.root)
 
 
 class ArticleView(PydanticView):
@@ -29,7 +29,7 @@ class ArticleView(PydanticView):
 
 
 async def test_post_an_article_without_required_field_should_return_an_error_message(
-    aiohttp_client, loop
+        aiohttp_client, event_loop
 ):
     app = web.Application()
     app.router.add_view("/article", ArticleView)
@@ -38,18 +38,21 @@ async def test_post_an_article_without_required_field_should_return_an_error_mes
     resp = await client.post("/article", json={})
     assert resp.status == 400
     assert resp.content_type == "application/json"
+
     assert await resp.json() == [
         {
-            "in": "body",
-            "loc": ["name"],
-            "msg": "field required",
-            "type": "value_error.missing",
+            'input': {},
+            'loc': ['name'],
+            'loc_in': 'body',
+            'msg': 'Field required',
+            'type': 'missing',
+            'url': 'https://errors.pydantic.dev/2.5/v/missing'
         }
     ]
 
 
 async def test_post_an_article_with_wrong_type_field_should_return_an_error_message(
-    aiohttp_client, loop
+        aiohttp_client, event_loop
 ):
     app = web.Application()
     app.router.add_view("/article", ArticleView)
@@ -60,15 +63,17 @@ async def test_post_an_article_with_wrong_type_field_should_return_an_error_mess
     assert resp.content_type == "application/json"
     assert await resp.json() == [
         {
-            "in": "body",
-            "loc": ["nb_page"],
-            "msg": "value is not a valid integer",
-            "type": "type_error.integer",
+            'input': 'foo',
+            'loc': ['nb_page'],
+            'loc_in': 'body',
+            'msg': 'Input should be a valid integer, unable to parse string as an integer',
+            'type': 'int_parsing',
+            'url': 'https://errors.pydantic.dev/2.5/v/int_parsing'
         }
     ]
 
 
-async def test_post_an_array_json_is_supported(aiohttp_client, loop):
+async def test_post_an_array_json_is_supported(aiohttp_client, event_loop):
     app = web.Application()
     app.router.add_view("/article", ArticleView)
 
@@ -81,7 +86,7 @@ async def test_post_an_array_json_is_supported(aiohttp_client, loop):
 
 
 async def test_post_an_array_json_to_an_object_model_should_return_an_error(
-    aiohttp_client, loop
+        aiohttp_client, event_loop
 ):
     app = web.Application()
     app.router.add_view("/article", ArticleView)
@@ -92,16 +97,16 @@ async def test_post_an_array_json_to_an_object_model_should_return_an_error(
     assert resp.content_type == "application/json"
     assert await resp.json() == [
         {
-            "in": "body",
-            "loc": ["__root__"],
-            "msg": "value is not a valid dict",
-            "type": "type_error.dict",
+            'loc': ['root'],
+            'loc_in': 'body',
+            'msg': 'value is not a valid dict',
+            'type': 'type_error.dict'
         }
     ]
 
 
 async def test_post_an_object_json_to_a_list_model_should_return_an_error(
-    aiohttp_client, loop
+        aiohttp_client, event_loop
 ):
     app = web.Application()
     app.router.add_view("/article", ArticleView)
@@ -110,17 +115,20 @@ async def test_post_an_object_json_to_a_list_model_should_return_an_error(
     resp = await client.put("/article", json={"name": "foo", "nb_page": 3})
     assert resp.status == 400
     assert resp.content_type == "application/json"
+
     assert await resp.json() == [
         {
-            "in": "body",
-            "loc": ["__root__"],
-            "msg": "value is not a valid list",
-            "type": "type_error.list",
+            'input': {'name': 'foo', 'nb_page': 3},
+            'loc': [],
+            'loc_in': 'body',
+            'msg': 'Input should be a valid list',
+            'type': 'list_type',
+            'url': 'https://errors.pydantic.dev/2.5/v/list_type'
         }
     ]
 
 
-async def test_post_a_valid_article_should_return_the_parsed_type(aiohttp_client, loop):
+async def test_post_a_valid_article_should_return_the_parsed_type(aiohttp_client, event_loop):
     app = web.Application()
     app.router.add_view("/article", ArticleView)
 

tests/test_validation_header.py

@@ -50,9 +50,9 @@ class Signature(Group):
 
 class ArticleViewWithSignatureGroup(PydanticView):
     async def get(
-        self,
-        *,
-        signature: Signature,
+            self,
+            *,
+            signature: Signature,
     ):
         return web.json_response(
             {"expired": signature.expired, "scope": signature.scope},
@@ -61,7 +61,7 @@ class ArticleViewWithSignatureGroup(PydanticView):
 
 
 async def test_get_article_without_required_header_should_return_an_error_message(
-    aiohttp_client, loop
+        aiohttp_client, event_loop
 ):
     app = web.Application()
     app.router.add_view("/article", ArticleView)
@@ -70,18 +70,24 @@ async def test_get_article_without_required_header_should_return_an_error_messag
     resp = await client.get("/article", headers={})
     assert resp.status == 400
     assert resp.content_type == "application/json"
-    assert await resp.json() == [
+
+    result = await resp.json()
+    assert len(result) == 1
+    result[0].pop('input')
+
+    assert result == [
         {
-            "in": "headers",
-            "loc": ["signature_expired"],
-            "msg": "field required",
-            "type": "value_error.missing",
+            'type': 'missing',
+            'loc': ['signature_expired'],
+            'msg': 'Field required',
+            'url': 'https://errors.pydantic.dev/2.5/v/missing',
+            'loc_in': 'headers'
         }
     ]
 
 
 async def test_get_article_with_wrong_header_type_should_return_an_error_message(
-    aiohttp_client, loop
+        aiohttp_client, event_loop
 ):
     app = web.Application()
     app.router.add_view("/article", ArticleView)
@@ -90,18 +96,22 @@ async def test_get_article_with_wrong_header_type_should_return_an_error_message
     resp = await client.get("/article", headers={"signature_expired": "foo"})
     assert resp.status == 400
     assert resp.content_type == "application/json"
+
     assert await resp.json() == [
         {
-            "in": "headers",
-            "loc": ["signature_expired"],
-            "msg": "invalid datetime format",
-            "type": "value_error.datetime",
+            'type': 'datetime_parsing',
+            'loc': ['signature_expired'],
+            'msg': 'Input should be a valid datetime, input is too short',
+            'input': 'foo',
+            'ctx': {'error': 'input is too short'},
+            'url': 'https://errors.pydantic.dev/2.5/v/datetime_parsing',
+            'loc_in': 'headers'
         }
     ]
 
 
 async def test_get_article_with_valid_header_should_return_the_parsed_type(
-    aiohttp_client, loop
+        aiohttp_client, event_loop
 ):
     app = web.Application()
     app.router.add_view("/article", ArticleView)
@@ -116,7 +126,7 @@ async def test_get_article_with_valid_header_should_return_the_parsed_type(
 
 
 async def test_get_article_with_valid_header_containing_hyphen_should_be_returned(
-    aiohttp_client, loop
+        aiohttp_client, event_loop
 ):
     app = web.Application()
     app.router.add_view("/article", ArticleView)
@@ -130,30 +140,32 @@ async def test_get_article_with_valid_header_containing_hyphen_should_be_returne
     assert await resp.json() == {"signature": "2020-10-04T18:01:00"}
 
 
-async def test_wrong_value_to_header_defined_with_str_enum(aiohttp_client, loop):
+async def test_wrong_value_to_header_defined_with_str_enum(aiohttp_client, event_loop):
     app = web.Application()
     app.router.add_view("/coord", ViewWithEnumType)
 
     client = await aiohttp_client(app)
     resp = await client.get("/coord", headers={"format": "WGS84"})
+
     assert (
-        await resp.json()
-        == [
-            {
-                "ctx": {"enum_values": ["UMT", "MGRS"]},
-                "in": "headers",
-                "loc": ["format"],
-                "msg": "value is not a valid enumeration member; permitted: 'UMT', 'MGRS'",
-                "type": "type_error.enum",
-            }
-        ]
-        != {"signature": "2020-10-04T18:01:00"}
+            await resp.json()
+            == [
+                {
+                    'ctx': {'expected': "'UMT' or 'MGRS'"},
+                    'input': 'WGS84',
+                    'loc': ['format'],
+                    'loc_in': 'headers',
+                    'msg': "Input should be 'UMT' or 'MGRS'",
+                    'type': 'enum'
+                }
+            ]
+            != {"signature": "2020-10-04T18:01:00"}
     )
     assert resp.status == 400
     assert resp.content_type == "application/json"
 
 
-async def test_correct_value_to_header_defined_with_str_enum(aiohttp_client, loop):
+async def test_correct_value_to_header_defined_with_str_enum(aiohttp_client, event_loop):
     app = web.Application()
     app.router.add_view("/coord", ViewWithEnumType)
 
@@ -164,7 +176,7 @@ async def test_correct_value_to_header_defined_with_str_enum(aiohttp_client, loo
     assert resp.content_type == "application/json"
 
 
-async def test_with_signature_group(aiohttp_client, loop):
+async def test_with_signature_group(aiohttp_client, event_loop):
     app = web.Application()
     app.router.add_view("/article", ArticleViewWithSignatureGroup)
 

tests/test_validation_path.py

@@ -11,7 +11,7 @@ class ArticleView(PydanticView):
 
 
 async def test_get_article_with_correct_path_parameters_should_return_parameters_in_path(
-    aiohttp_client, loop
+    aiohttp_client, event_loop
 ):
     app = web.Application()
     app.router.add_view("/article/{author_id}/tag/{tag}/before/{date}", ArticleView)
@@ -24,7 +24,7 @@ async def test_get_article_with_correct_path_parameters_should_return_parameters
 
 
 async def test_get_article_with_wrong_path_parameters_should_return_error(
-    aiohttp_client, loop
+    aiohttp_client, event_loop
 ):
     app = web.Application()
     app.router.add_view("/article/{author_id}/tag/{tag}/before/{date}", ArticleView)
@@ -33,11 +33,14 @@ async def test_get_article_with_wrong_path_parameters_should_return_error(
     resp = await client.get("/article/1234/tag/music/before/now")
     assert resp.status == 400
     assert resp.content_type == "application/json"
+
     assert await resp.json() == [
         {
-            "in": "path",
-            "loc": ["date"],
-            "msg": "value is not a valid integer",
-            "type": "type_error.integer",
+            'input': 'now',
+            'loc': ['date'],
+            'loc_in': 'path',
+            'msg': 'Input should be a valid integer, unable to parse string as an integer',
+            'type': 'int_parsing',
+            'url': 'https://errors.pydantic.dev/2.5/v/int_parsing'
         }
     ]

tests/test_validation_query_string.py

@@ -1,5 +1,6 @@
 from __future__ import annotations
 
+from enum import Enum
 from typing import Optional, List
 from pydantic import Field
 from aiohttp import web
@@ -10,11 +11,11 @@ from aiohttp_pydantic.injectors import Group
 
 class ArticleView(PydanticView):
     async def get(
-        self,
-        with_comments: bool,
-        age: Optional[int] = None,
-        nb_items: int = 7,
-        tags: List[str] = Field(default_factory=list),
+            self,
+            with_comments: bool,
+            age: Optional[int] = None,
+            nb_items: int = 7,
+            tags: List[str] = Field(default_factory=list),
     ):
         return web.json_response(
             {
@@ -41,9 +42,9 @@ class Pagination(Group):
 
 class ArticleViewWithPaginationGroup(PydanticView):
     async def get(
-        self,
-        with_comments: bool,
-        page: Pagination,
+            self,
+            with_comments: bool,
+            page: Pagination,
     ):
         return web.json_response(
             {
@@ -54,8 +55,22 @@ class ArticleViewWithPaginationGroup(PydanticView):
         )
 
 
+class Lang(str, Enum):
+    EN = 'en'
+    FR = 'fr'
+
+
+class ArticleViewWithEnumInQuery(PydanticView):
+    async def get(self, lang: Lang):
+        return web.json_response(
+            {
+                "lang": lang
+            }
+        )
+
+
 async def test_get_article_without_required_qs_should_return_an_error_message(
-    aiohttp_client, loop
+        aiohttp_client, event_loop
 ):
     app = web.Application()
     app.router.add_view("/article", ArticleView)
@@ -64,18 +79,21 @@ async def test_get_article_without_required_qs_should_return_an_error_message(
     resp = await client.get("/article")
     assert resp.status == 400
     assert resp.content_type == "application/json"
+
     assert await resp.json() == [
         {
-            "in": "query string",
-            "loc": ["with_comments"],
-            "msg": "field required",
-            "type": "value_error.missing",
+            'input': {},
+            'loc': ['with_comments'],
+            'loc_in': 'query string',
+            'msg': 'Field required',
+            'type': 'missing',
+            'url': 'https://errors.pydantic.dev/2.5/v/missing'
         }
     ]
 
 
 async def test_get_article_with_wrong_qs_type_should_return_an_error_message(
-    aiohttp_client, loop
+        aiohttp_client, event_loop
 ):
     app = web.Application()
     app.router.add_view("/article", ArticleView)
@@ -86,16 +104,18 @@ async def test_get_article_with_wrong_qs_type_should_return_an_error_message(
     assert resp.content_type == "application/json"
     assert await resp.json() == [
         {
-            "in": "query string",
-            "loc": ["with_comments"],
-            "msg": "value could not be parsed to a boolean",
-            "type": "type_error.bool",
+            'input': 'foo',
+            'loc': ['with_comments'],
+            'loc_in': 'query string',
+            'msg': 'Input should be a valid boolean, unable to interpret input',
+            'type': 'bool_parsing',
+            'url': 'https://errors.pydantic.dev/2.5/v/bool_parsing'
         }
     ]
 
 
 async def test_get_article_with_valid_qs_should_return_the_parsed_type(
-    aiohttp_client, loop
+        aiohttp_client, event_loop
 ):
     app = web.Application()
     app.router.add_view("/article", ArticleView)
@@ -114,7 +134,7 @@ async def test_get_article_with_valid_qs_should_return_the_parsed_type(
 
 
 async def test_get_article_with_valid_qs_and_omitted_optional_should_return_default_value(
-    aiohttp_client, loop
+        aiohttp_client, event_loop
 ):
     app = web.Application()
     app.router.add_view("/article", ArticleView)
@@ -133,7 +153,7 @@ async def test_get_article_with_valid_qs_and_omitted_optional_should_return_defa
 
 
 async def test_get_article_with_multiple_value_for_qs_age_must_failed(
-    aiohttp_client, loop
+        aiohttp_client, event_loop
 ):
     app = web.Application()
     app.router.add_view("/article", ArticleView)
@@ -143,17 +163,19 @@ async def test_get_article_with_multiple_value_for_qs_age_must_failed(
     resp = await client.get("/article", params={"age": ["2", "3"], "with_comments": 1})
     assert await resp.json() == [
         {
-            "in": "query string",
-            "loc": ["age"],
-            "msg": "value is not a valid integer",
-            "type": "type_error.integer",
+            'input': ['2', '3'],
+            'loc': ['age'],
+            'loc_in': 'query string',
+            'msg': 'Input should be a valid integer',
+            'type': 'int_type',
+            'url': 'https://errors.pydantic.dev/2.5/v/int_type'
         }
     ]
     assert resp.status == 400
     assert resp.content_type == "application/json"
 
 
-async def test_get_article_with_multiple_value_of_tags(aiohttp_client, loop):
+async def test_get_article_with_multiple_value_of_tags(aiohttp_client, event_loop):
     app = web.Application()
     app.router.add_view("/article", ArticleView)
 
@@ -172,7 +194,7 @@ async def test_get_article_with_multiple_value_of_tags(aiohttp_client, loop):
     assert resp.content_type == "application/json"
 
 
-async def test_get_article_with_one_value_of_tags_must_be_a_list(aiohttp_client, loop):
+async def test_get_article_with_one_value_of_tags_must_be_a_list(aiohttp_client, event_loop):
     app = web.Application()
     app.router.add_view("/article", ArticleView)
 
@@ -191,7 +213,7 @@ async def test_get_article_with_one_value_of_tags_must_be_a_list(aiohttp_client,
     assert resp.content_type == "application/json"
 
 
-async def test_get_article_without_required_field_page(aiohttp_client, loop):
+async def test_get_article_without_required_field_page(aiohttp_client, event_loop):
     app = web.Application()
     app.router.add_view("/article", ArticleViewWithPaginationGroup)
 
@@ -200,17 +222,19 @@ async def test_get_article_without_required_field_page(aiohttp_client, loop):
     resp = await client.get("/article", params={"with_comments": 1})
     assert await resp.json() == [
         {
-            "in": "query string",
-            "loc": ["page_num"],
-            "msg": "field required",
-            "type": "value_error.missing",
+            'input': {'with_comments': '1'},
+            'loc': ['page_num'],
+            'loc_in': 'query string',
+            'msg': 'Field required',
+            'type': 'missing',
+            'url': 'https://errors.pydantic.dev/2.5/v/missing'
         }
     ]
     assert resp.status == 400
     assert resp.content_type == "application/json"
 
 
-async def test_get_article_with_page(aiohttp_client, loop):
+async def test_get_article_with_page(aiohttp_client, event_loop):
     app = web.Application()
     app.router.add_view("/article", ArticleViewWithPaginationGroup)
 
@@ -222,7 +246,7 @@ async def test_get_article_with_page(aiohttp_client, loop):
     assert resp.content_type == "application/json"
 
 
-async def test_get_article_with_page_and_page_size(aiohttp_client, loop):
+async def test_get_article_with_page_and_page_size(aiohttp_client, event_loop):
     app = web.Application()
     app.router.add_view("/article", ArticleViewWithPaginationGroup)
 
@@ -236,7 +260,21 @@ async def test_get_article_with_page_and_page_size(aiohttp_client, loop):
     assert resp.content_type == "application/json"
 
 
-async def test_get_article_with_page_and_wrong_page_size(aiohttp_client, loop):
+async def test_get_article_with_enum_in_query(aiohttp_client, event_loop):
+    app = web.Application()
+    app.router.add_view("/article", ArticleViewWithEnumInQuery)
+
+    client = await aiohttp_client(app)
+
+    resp = await client.get(
+        "/article", params={"lang": Lang.EN.value}
+    )
+    assert await resp.json() == {'lang': Lang.EN}
+    assert resp.status == 200
+    assert resp.content_type == "application/json"
+
+
+async def test_get_article_with_page_and_wrong_page_size(aiohttp_client, event_loop):
     app = web.Application()
     app.router.add_view("/article", ArticleViewWithPaginationGroup)
 
@@ -247,10 +285,13 @@ async def test_get_article_with_page_and_wrong_page_size(aiohttp_client, loop):
     )
     assert await resp.json() == [
         {
-            "in": "query string",
-            "loc": ["page_size"],
-            "msg": "value is not a valid integer",
-            "type": "type_error.integer",
+            'input': 'large',
+            'loc': ['page_size'],
+            'loc_in': 'query string',
+            'msg': 'Input should be a valid integer, unable to parse string as an '
+                   'integer',
+            'type': 'int_parsing',
+            'url': 'https://errors.pydantic.dev/2.5/v/int_parsing'
         }
     ]
     assert resp.status == 400