From 98ad27fda57f571856f9ca2d334fce59bd0aca20 Mon Sep 17 00:00:00 2001
From: Greg Johnston <greg.johnston@gmail.com>
Date: Wed, 19 Oct 2022 17:09:09 -0400
Subject: [PATCH] Add benchmarks against Yew and Sycamore for server-side
 rendering

---
 benchmarks/Cargo.toml |   5 +-
 benchmarks/src/lib.rs | 161 +++++++++++++++++++++++++++++++++++++++++-
 2 files changed, 162 insertions(+), 4 deletions(-)

diff --git a/benchmarks/Cargo.toml b/benchmarks/Cargo.toml
index eb877f857..15016ae7d 100644
--- a/benchmarks/Cargo.toml
+++ b/benchmarks/Cargo.toml
@@ -5,5 +5,6 @@ edition = "2021"
 
 [dev-dependencies]
 leptos = { path = "../leptos", default-features = false, features = ["ssr"] }
-sycamore = "0.8"
-yew = "0.19"
\ No newline at end of file
+sycamore = { version = "0.8", features = ["ssr"] }
+yew = { git = "https://github.com/yewstack/yew", features = ["ssr", "tokio"] }
+tokio-test = "0.4"
\ No newline at end of file
diff --git a/benchmarks/src/lib.rs b/benchmarks/src/lib.rs
index e0183aee9..cebbdf0e7 100644
--- a/benchmarks/src/lib.rs
+++ b/benchmarks/src/lib.rs
@@ -1,7 +1,7 @@
 #![feature(test)]
 
 extern crate test;
-
+/* 
 mod reactive {
     use test::Bencher;
 
@@ -162,4 +162,161 @@ mod reactive {
             }
         });
     }
-}
+} */
+
+mod ssr {
+    use test::Bencher;
+
+    #[bench]
+    fn leptos_ssr_bench(b: &mut Bencher) {
+        use leptos::*;
+
+        b.iter(|| {
+            _ = create_scope(|cx| {
+                #[component]
+				fn Counter(cx: Scope, initial: i32) -> Element {
+					let (value, set_value) = create_signal(cx, initial);
+					view! {
+						cx,
+						<div>
+							<button on:click=move |_| set_value.update(|value| *value -= 1)>"-1"</button>
+							<span>"Value: " {move || value().to_string()} "!"</span>
+							<button on:click=move |_| set_value.update(|value| *value += 1)>"+1"</button>
+						</div>
+					}
+				}
+
+				let rendered = view! { 
+					cx,
+					<main>
+                        <h1>"Welcome to our benchmark page."</h1>
+                        <p>"Here's some introductory text."</p>
+						<Counter initial=1/>
+						<Counter initial=2/>
+						<Counter initial=3/>
+					</main>
+				};
+
+                assert_eq!(
+                    rendered,
+                    "<main data-hk=\"0-0\"><h1>Welcome to our benchmark page.</h1><p>Here's some introductory text.</p><!--#--><div data-hk=\"0-2-0\"><button>-1</button><span>Value: <!--#-->1<!--/-->!</span><button>+1</button></div><!--/--><!--#--><div data-hk=\"0-3-0\"><button>-1</button><span>Value: <!--#-->2<!--/-->!</span><button>+1</button></div><!--/--><!--#--><div data-hk=\"0-4-0\"><button>-1</button><span>Value: <!--#-->3<!--/-->!</span><button>+1</button></div><!--/--></main>"
+                );
+            });
+        });
+    }
+
+    #[bench]
+    fn sycamore_ssr_bench(b: &mut Bencher) {
+        use sycamore::*;
+        use sycamore::prelude::*;
+
+        b.iter(|| {
+            _ = create_scope(|cx| {
+                #[derive(Prop)]
+                struct CounterProps {
+                    initial: i32
+                }
+
+
+                #[component]
+				fn Counter<G: Html>(cx: Scope, props: CounterProps) -> View<G> {
+					let value = create_signal(cx, props.initial);
+					view! {
+						cx,
+                        div {
+                            button(on:click=|_| value.set(*value.get() - 1)) {
+                                "-1"
+                            }
+                            span {
+                                "Value: "
+                                (value.get().to_string())
+                                "!"
+                            }
+                            button(on:click=|_| value.set(*value.get() + 1)) {
+                                "+1"
+                            }
+                        }
+					}
+				}
+
+				let rendered = render_to_string(|cx| view! {
+                    cx,
+                    main {
+                        h1 {
+                            "Welcome to our benchmark page."
+                        }
+                        p {
+                            "Here's some introductory text."
+                        }
+                        Counter(initial = 1)
+                        Counter(initial = 2)
+                        Counter(initial = 3)
+                    }
+                });
+
+                assert_eq!(
+                    rendered,
+                    "<main data-hk=\"0.0\"><h1 data-hk=\"0.1\">Welcome to our benchmark page.</h1><p data-hk=\"0.2\">Here's some introductory text.</p><!--#--><div data-hk=\"1.0\"><button data-hk=\"1.1\">-1</button><span data-hk=\"1.2\">Value: <!--#-->1<!--/-->!</span><button data-hk=\"1.3\">+1</button></div><!--/--><!----><!--#--><div data-hk=\"2.0\"><button data-hk=\"2.1\">-1</button><span data-hk=\"2.2\">Value: <!--#-->2<!--/-->!</span><button data-hk=\"2.3\">+1</button></div><!--/--><!----><!--#--><div data-hk=\"3.0\"><button data-hk=\"3.1\">-1</button><span data-hk=\"3.2\">Value: <!--#-->3<!--/-->!</span><button data-hk=\"3.3\">+1</button></div><!--/--></main>"
+                );
+            });
+        });
+    }
+
+    #[bench]
+    fn yew_ssr_bench(b: &mut Bencher) {
+        use yew::prelude::*;
+        use yew::ServerRenderer;
+
+        b.iter(|| {
+            #[derive(Properties, PartialEq, Eq, Debug)]
+            struct CounterProps {
+                initial: i32
+            }
+
+            #[function_component(Counter)]
+            fn counter(props: &CounterProps) -> Html {
+                let state = use_state(|| props.initial);
+
+                let incr_counter = {
+                    let state = state.clone();
+                    Callback::from(move |_| state.set(&*state + 1))
+                };
+
+                let decr_counter = {
+                    let state = state.clone();
+                    Callback::from(move |_| state.set(&*state - 1))
+                };
+
+                html! {
+                    <div>
+                        <h1>{"Welcome to our benchmark page."}</h1>
+                        <p>{"Here's some introductory text."}</p>
+                        <button onclick={decr_counter}> {"-1"} </button>
+                        <p> {"Value: "} {*state} {"!"} </p>
+                        <button onclick={incr_counter}> {"+1"} </button>
+                    </div>
+                }
+            }
+
+            #[function_component]
+            fn App() -> Html {
+                html! {
+                    <main>
+                        <Counter initial=1/>
+                        <Counter initial=2/>
+                        <Counter initial=3/>
+                    </main>
+                }
+            }
+
+            tokio_test::block_on(async {
+                let renderer = ServerRenderer::<App>::new();
+                let rendered = renderer.render().await;
+                assert_eq!(
+                    rendered,
+                    "<!--<[]>--><main><!--<[]>--><div><h1>Welcome to our benchmark page.</h1><p>Here's some introductory text.</p><button>-1</button><p>Value: 1!</p><button>+1</button></div><!--</[]>--><!--<[]>--><div><h1>Welcome to our benchmark page.</h1><p>Here's some introductory text.</p><button>-1</button><p>Value: 2!</p><button>+1</button></div><!--</[]>--><!--<[]>--><div><h1>Welcome to our benchmark page.</h1><p>Here's some introductory text.</p><button>-1</button><p>Value: 3!</p><button>+1</button></div><!--</[]>--></main><!--</[]>-->"
+                );
+            });
+        });
+    }
+}
\ No newline at end of file