#![feature(test)] extern crate tera; extern crate test; #[macro_use] extern crate serde_derive; extern crate serde_json; use tera::{Context, Template, Tera, Value}; static VARIABLE_ONLY: &'static str = "{{product.name}}"; static SIMPLE_TEMPLATE: &'static str = " {{ product.name }}

{{ product.name }} - {{ product.manufacturer | upper }}

£{{ product.price * 1.20 }} (VAT inc.)

Look at reviews from your friends {{ username }}

"; static PARENT_TEMPLATE: &'static str = " {% block title %}Hello{% endblock title%} {% block body %}{% endblock body %} "; static MACRO_TEMPLATE: &'static str = " {% macro render_product(product) %}

{{ product.name }} - {{ product.manufacturer | upper }}

£{{ product.price * 1.20 }} (VAT inc.)

{% endmacro render_product %} "; static CHILD_TEMPLATE: &'static str = r#"{% extends "parent.html" %} {% block title %}{{ super() }} - {{ username | lower }}{% endblock title %} {% block body %}body{% endblock body %} "#; static CHILD_TEMPLATE_WITH_MACRO: &'static str = r#"{% extends "parent.html" %} {% import "macros.html" as macros %} {% block title %}{{ super() }} - {{ username | lower }}{% endblock title %} {% block body %} {{ macros::render_product(product=product) }} {% endblock body %} "#; static USE_MACRO_TEMPLATE: &'static str = r#" {% import "macros.html" as macros %} {{ macros::render_product(product=product) }} "#; #[derive(Debug, Serialize)] struct Product { name: String, manufacturer: String, price: i32, summary: String, } impl Product { pub fn new() -> Product { Product { name: "Moto G".to_owned(), manufacturer: "Motorala".to_owned(), summary: "A phone".to_owned(), price: 100, } } } #[bench] fn bench_parsing_basic_template(b: &mut test::Bencher) { b.iter(|| Template::new("bench", None, SIMPLE_TEMPLATE)); } #[bench] fn bench_parsing_with_inheritance_and_macros(b: &mut test::Bencher) { let mut tera = Tera::default(); b.iter(|| { tera.add_raw_templates(vec![ ("parent.html", PARENT_TEMPLATE), ("child.html", CHILD_TEMPLATE), ("macros.html", MACRO_TEMPLATE), ]) }); } #[bench] fn bench_rendering_only_variable(b: &mut test::Bencher) { let mut tera = Tera::default(); tera.add_raw_template("test.html", VARIABLE_ONLY).unwrap(); let mut context = Context::new(); context.insert("product", &Product::new()); context.insert("username", &"bob"); b.iter(|| tera.render("test.html", context.clone())); } #[bench] fn bench_rendering_basic_template(b: &mut test::Bencher) { let mut tera = Tera::default(); tera.add_raw_template("bench.html", SIMPLE_TEMPLATE).unwrap(); let mut context = Context::new(); context.insert("product", &Product::new()); context.insert("username", &"bob"); b.iter(|| tera.render("bench.html", context.clone())); } #[bench] fn bench_rendering_only_parent(b: &mut test::Bencher) { let mut tera = Tera::default(); tera.add_raw_templates(vec![("parent.html", PARENT_TEMPLATE)]).unwrap(); let mut context = Context::new(); context.insert("product", &Product::new()); context.insert("username", &"bob"); b.iter(|| tera.render("parent.html", context.clone())); } #[bench] fn bench_rendering_only_macro_call(b: &mut test::Bencher) { let mut tera = Tera::default(); tera.add_raw_templates(vec![("hey.html", USE_MACRO_TEMPLATE), ("macros.html", MACRO_TEMPLATE)]) .unwrap(); let mut context = Context::new(); context.insert("product", &Product::new()); context.insert("username", &"bob"); b.iter(|| tera.render("hey.html", context.clone())); } #[bench] fn bench_rendering_only_inheritance(b: &mut test::Bencher) { let mut tera = Tera::default(); tera.add_raw_templates(vec![("parent.html", PARENT_TEMPLATE), ("child.html", CHILD_TEMPLATE)]) .unwrap(); let mut context = Context::new(); context.insert("product", &Product::new()); context.insert("username", &"bob"); b.iter(|| tera.render("child.html", context.clone())); } #[bench] fn bench_rendering_inheritance_and_macros(b: &mut test::Bencher) { let mut tera = Tera::default(); tera.add_raw_templates(vec![ ("parent.html", PARENT_TEMPLATE), ("child.html", CHILD_TEMPLATE_WITH_MACRO), ("macros.html", MACRO_TEMPLATE), ]) .unwrap(); let mut context = Context::new(); context.insert("product", &Product::new()); context.insert("username", &"bob"); b.iter(|| tera.render("child.html", context.clone())); } #[bench] fn bench_build_inheritance_chains(b: &mut test::Bencher) { let mut tera = Tera::default(); tera.add_raw_templates(vec![ ("parent.html", PARENT_TEMPLATE), ("child.html", CHILD_TEMPLATE_WITH_MACRO), ("macros.html", MACRO_TEMPLATE), ]) .unwrap(); b.iter(|| tera.build_inheritance_chains()); } #[bench] fn bench_huge_loop(b: &mut test::Bencher) { #[derive(Serialize)] struct DataWrapper { v: String, } #[derive(Serialize)] struct RowWrapper { real: Vec, dummy: Vec, } let real: Vec = (1..1000).into_iter().map(|i| DataWrapper { v: format!("n={}", i) }).collect(); let dummy: Vec = (1..1000).into_iter().map(|i| DataWrapper { v: format!("n={}", i) }).collect(); let rows = RowWrapper { real, dummy }; let mut tera = Tera::default(); tera.add_raw_templates(vec![("huge.html", "{% for v in rows %}{{v}}{% endfor %}")]).unwrap(); let mut context = Context::new(); context.insert("rows", &rows); b.iter(|| tera.render("huge.html", context.clone())); } fn deep_object() -> Value { let data = r#"{ "foo": { "bar": { "goo": { "moo": { "cows": [ { "name": "betsy", "age" : 2, "temperament": "calm" }, { "name": "elsie", "age": 3, "temperament": "calm" }, { "name": "veal", "age": 1, "temperament": "ornery" } ] } } } } }"#; serde_json::from_str(data).unwrap() } #[bench] fn access_deep_object(b: &mut test::Bencher) { let mut tera = Tera::default(); tera.add_raw_templates(vec![( "deep_object.html", "{% for cow in deep_object.foo.bar.goo.moo.cows %}{{cow.temperament}}{% endfor %}", )]) .unwrap(); let mut context = Context::new(); println!("{:?}", deep_object()); context.insert("deep_object", &deep_object()); assert!(tera.render("deep_object.html", context.clone()).unwrap().contains("ornery")); b.iter(|| tera.render("deep_object.html", context.clone())); } #[bench] fn access_deep_object_with_literal(b: &mut test::Bencher) { let mut tera = Tera::default(); tera.add_raw_templates(vec![( "deep_object.html", " {% set goo = deep_object.foo['bar'][\"goo\"] %} {% for cow in goo.moo.cows %}{{cow.temperament}} {% endfor %}", )]) .unwrap(); let mut context = Context::new(); context.insert("deep_object", &deep_object()); assert!(tera.render("deep_object.html", context.clone()).unwrap().contains("ornery")); b.iter(|| tera.render("deep_object.html", context.clone())); }