Add benches

Author: Vincent Prouillet

benches/graphql.rs

@@ -0,0 +1,47 @@
+#![feature(test)]
+extern crate test;
+
+extern crate graphql_parser;
+
+use std::io::Read;
+use std::fs::File;
+
+use graphql_parser::parse_query;
+
+fn load_file(name: &str) -> String {
+    let mut buf = String::with_capacity(1024);
+    let path = format!("tests/samples/{}.graphql", name);
+    let mut f = File::open(&path).unwrap();
+    f.read_to_string(&mut buf).unwrap();
+    buf
+}
+
+#[bench]
+fn bench_minimal(b: &mut test::Bencher) {
+    let f = load_file("minimal");
+    b.iter(|| parse_query(&f).unwrap());
+}
+
+#[bench]
+fn bench_inline_fragment(b: &mut test::Bencher) {
+    let f = load_file("inline_fragment");
+    b.iter(|| parse_query(&f).unwrap());
+}
+
+#[bench]
+fn bench_directive_args(b: &mut test::Bencher) {
+    let f = load_file("directive_args");
+    b.iter(|| parse_query(&f).unwrap());
+}
+
+#[bench]
+fn bench_query_vars(b: &mut test::Bencher) {
+    let f = load_file("query_vars");
+    b.iter(|| parse_query(&f).unwrap());
+}
+
+#[bench]
+fn bench_kitchen_sink(b: &mut test::Bencher) {
+    let f = load_file("kitchen-sink");
+    b.iter(|| parse_query(&f).unwrap());
+}