aiohttp request host_url include scheme fix

Author: p1c2u

Diff for: openapi_core/contrib/aiohttp/requests.py

@@ -34,7 +34,7 @@ def __init__(self, request: web.Request, *, body: str | None):
 
     @property
     def host_url(self) -> str:
-        return self.request.url.host or ""
+        return f"{self.request.url.scheme}://{self.request.url.host}"
 
     @property
     def path(self) -> str:

Diff for: tests/integration/contrib/aiohttp/data/v3.0/aiohttp_factory.yaml

@@ -3,7 +3,7 @@ info:
   title: Basic OpenAPI specification used with starlette integration tests
   version: "0.1"
 servers:
-  - url: '/'
+  - url: 'http://localhost'
     description: 'testing'
 paths:
   '/browse/{id}/':

Diff for: tests/integration/contrib/aiohttp/test_aiohttp_validation.py

@@ -14,7 +14,10 @@ async def test_aiohttp_integration_valid_input(client: TestClient):
     given_query_string = {
         "q": "string",
     }
-    given_headers = {"content-type": "application/json"}
+    given_headers = {
+        "content-type": "application/json",
+        "Host": "localhost",
+    }
     given_data = {"param1": 1}
     expected_status_code = 200
     expected_response_data = {"data": "data"}
@@ -31,6 +34,42 @@ async def test_aiohttp_integration_valid_input(client: TestClient):
     assert response_data == expected_response_data
 
 
+async def test_aiohttp_integration_invalid_server(client: TestClient, request):
+    if "no_validation" in request.node.name:
+        pytest.skip("No validation for given handler.")
+    # Given
+    given_query_string = {
+        "q": "string",
+    }
+    given_headers = {
+        "content-type": "application/json",
+        "Host": "petstore.swagger.io",
+    }
+    given_data = {"param1": 1}
+    expected_status_code = 400
+    expected_response_data = {
+            "errors": [
+                {
+                    "message": (
+                        "Server not found for "
+                        "http://petstore.swagger.io/browse/12/"
+                    ),
+                }
+            ]
+        }
+    # When
+    response = await client.post(
+        "/browse/12/",
+        params=given_query_string,
+        json=given_data,
+        headers=given_headers,
+    )
+    response_data = await response.json()
+    # Then
+    assert response.status == expected_status_code
+    assert response_data == expected_response_data
+
+
 async def test_aiohttp_integration_invalid_input(
     client: TestClient, response_getter, request
 ):
@@ -40,7 +79,10 @@ async def test_aiohttp_integration_invalid_input(
     given_query_string = {
         "q": "string",
     }
-    given_headers = {"content-type": "application/json"}
+    given_headers = {
+        "content-type": "application/json",
+        "Host": "localhost",
+    }
     given_data = {"param1": "string"}
     response_getter.return_value = {"data": 1}
     expected_status_code = 400