parse path and header

tests/test_validation_path.py

@@ -0,0 +1,20 @@
+from aiohttp import web
+from aiohttp_pydantic import PydanticView
+
+
+class ArticleView(PydanticView):
+
+    async def get(self, author_id: str, tag: str,  date: int, /):
+        return web.json_response({'path': [author_id, tag, date]})
+
+
+async def test_get_article_without_required_qs_should_return_an_error_message(aiohttp_client, loop):
+    app = web.Application()
+    app.router.add_view('/article/{author_id}/tag/{tag}/before/{date}', ArticleView)
+
+    client = await aiohttp_client(app)
+    resp = await client.get('/article/1234/tag/music/before/1980')
+    assert resp.status == 200
+    assert resp.content_type == 'application/json'
+    assert await resp.json() == {'path': ['1234', 'music', 1980]}
+