chore: adding benchmark for handle_request (#1886)

Co-authored-by: Tushar Mathur <[email protected]>

benches/handle_request_bench.rs

@@ -0,0 +1,40 @@
+use std::sync::Arc;
+
+use criterion::Criterion;
+use hyper::Request;
+use tailcall::cli::server::server_config::ServerConfig;
+use tailcall::{handle_request, Blueprint, Config, ConfigModule, GraphQLRequest, Validator};
+
+static QUERY: &str = r#"{"query":"query{posts{title}}"}"#;
+
+pub fn benchmark_handle_request(c: &mut Criterion) {
+    let tokio_runtime = tokio::runtime::Runtime::new().unwrap();
+    let sdl = std::fs::read_to_string("./ci-benchmark/benchmark.graphql").unwrap();
+    let config_module: ConfigModule = Config::from_sdl(sdl.as_str()).to_result().unwrap().into();
+
+    let blueprint = Blueprint::try_from(&config_module).unwrap();
+    let endpoints = config_module.extensions.endpoint_set;
+
+    let server_config = tokio_runtime
+        .block_on(ServerConfig::new(blueprint, endpoints))
+        .unwrap();
+    let server_config = Arc::new(server_config);
+
+    c.bench_function("test_handle_request", |b| {
+        let server_config = server_config.clone();
+        b.iter(|| {
+            let server_config = server_config.clone();
+            tokio_runtime.block_on(async move {
+                let req = Request::builder()
+                    .method("POST")
+                    .uri("http://localhost:8000/graphql")
+                    .body(hyper::Body::from(QUERY))
+                    .unwrap();
+
+                let _ = handle_request::<GraphQLRequest>(req, server_config.app_ctx.clone())
+                    .await
+                    .unwrap();
+            });
+        })
+    });
+}

benches/tailcall_benches.rs

@@ -1,6 +1,7 @@
 use criterion::{criterion_group, criterion_main, Criterion};
 
 mod data_loader_bench;
+mod handle_request_bench;
 mod impl_path_string_for_evaluation_context;
 mod json_like_bench;
 mod protobuf_convert_output;
@@ -13,6 +14,7 @@ fn all_benchmarks(c: &mut Criterion) {
     json_like_bench::benchmark_group_by(c);
     protobuf_convert_output::benchmark_convert_output(c);
     request_template_bench::benchmark_to_request(c);
+    handle_request_bench::benchmark_handle_request(c);
 }
 
 criterion_group! {