Add benchmark for a route that supports multiple methods (#9900)

(cherry picked from commit 7180ea8)

tests/test_benchmarks_client.py

@@ -33,6 +33,34 @@ def _run() -> None:
         loop.run_until_complete(run_client_benchmark())
 
 
+def test_one_hundred_simple_get_requests_multiple_methods_route(
+    loop: asyncio.AbstractEventLoop,
+    aiohttp_client: AiohttpClient,
+    benchmark: BenchmarkFixture,
+) -> None:
+    """Benchmark 100 simple GET requests on a route with multiple methods."""
+    message_count = 100
+
+    async def handler(request: web.Request) -> web.Response:
+        return web.Response()
+
+    app = web.Application()
+    # GET intentionally registered last to ensure time complexity
+    # of the route lookup is benchmarked
+    for method in ("DELETE", "HEAD", "OPTIONS", "PATCH", "POST", "PUT", "GET"):
+        app.router.add_route(method, "/", handler)
+
+    async def run_client_benchmark() -> None:
+        client = await aiohttp_client(app)
+        for _ in range(message_count):
+            await client.get("/")
+        await client.close()
+
+    @benchmark
+    def _run() -> None:
+        loop.run_until_complete(run_client_benchmark())
+
+
 def test_one_hundred_get_requests_with_1024_chunked_payload(
     loop: asyncio.AbstractEventLoop,
     aiohttp_client: AiohttpClient,