perf: Add benchmarks

Stranger6667 · Stranger6667 · commit 37f8c19eca90 · 2020-06-23T14:33:03.000+02:00
diff --git a/Cargo.toml b/Cargo.toml
@@ -16,3 +16,13 @@ categories = ["web-programming"]
 [dependencies]
 cssparser = "0"
 kuchiki = "0.8"
+
+[dev-dependencies]
+criterion = ">= 0.1"
+
+[[bench]]
+name = "inliner"
+harness = false
+
+[profile.release]
+debug = true
diff --git a/benches/inliner.rs b/benches/inliner.rs
@@ -0,0 +1,53 @@
+use criterion::{black_box, criterion_group, criterion_main, Criterion};
+use css_inline::inline;
+
+fn simple(c: &mut Criterion) {
+    let html = black_box(
+        r#"<html>
+<head>
+    <title>Test</title>
+    <style>
+        h1, h2 { color:blue; }
+        strong { text-decoration:none }
+        p { font-size:2px }
+        p.footer { font-size: 1px}
+    </style>
+</head>
+<body>
+    <h1>Big Text</h1>
+    <p>
+        <strong>Solid</strong>
+    </p>
+    <p class="footer">Foot notes</p>
+</body>
+</html>"#,
+    );
+    c.bench_function("simple HTML", |b| b.iter(|| inline(html).unwrap()));
+}
+
+fn merging(c: &mut Criterion) {
+    let html = black_box(
+        r#"<html>
+<head>
+    <title>Test</title>
+    <style>
+        h1, h2 { color:blue; }
+        strong { text-decoration:none }
+        p { font-size:2px }
+        p.footer { font-size: 1px}
+    </style>
+</head>
+<body>
+    <h1 style="background-color: black;">Big Text</h1>
+    <p style="background-color: black;">
+        <strong style="background-color: black;">Solid</strong>
+    </p>
+    <p class="footer" style="background-color: black;">Foot notes</p>
+</body>
+</html>"#,
+    );
+    c.bench_function("merging styles", |b| b.iter(|| inline(html).unwrap()));
+}
+
+criterion_group!(benches, simple, merging);
+criterion_main!(benches);
