Restructure hpack tests

util/genfixture/Cargo.toml

@@ -0,0 +1,7 @@
+[package]
+name = "genfixture"
+version = "0.1.0"
+authors = ["Carl Lerche <me@carllerche.com>"]
+
+[dependencies]
+walkdir = "1.0.0"

util/genfixture/src/main.rs

@@ -0,0 +1,64 @@
+extern crate walkdir;
+
+use self::walkdir::WalkDir;
+
+use std::env;
+use std::path::Path;
+use std::collections::HashMap;
+
+fn main() {
+    let args: Vec<_> = env::args().collect();
+
+    let path = args.get(1).expect("usage: genfixture [PATH]");
+    let path = Path::new(path);
+
+    let mut tests = HashMap::new();
+
+    for entry in WalkDir::new(path) {
+        let entry = entry.unwrap();
+        let path = entry.path().to_str().unwrap();
+
+        if !path.ends_with(".json") {
+            continue;
+        }
+
+        if path.contains("raw-data") {
+            continue;
+        }
+
+        // Get the relevant part
+        let fixture_path = path.split("fixtures/hpack/").last().unwrap();
+
+        // Now, split that into the group and the name
+        let module = fixture_path.split("/").next().unwrap();
+
+        tests.entry(module.to_string()).or_insert(vec![])
+            .push(fixture_path.to_string());
+    }
+
+    let mut one = false;
+
+    for (module, tests) in tests {
+        let module = module.replace("-", "_");
+
+        if one {
+            println!("");
+        }
+
+        one = true;
+
+        println!("fixture_mod!(");
+        println!("    {} => {{", module);
+
+        for test in tests {
+            let ident = test
+                .split("/").nth(1).unwrap()
+                .split(".").next().unwrap();
+
+            println!("        ({}, {:?});", ident, test);
+        }
+
+        println!("    }}");
+        println!(");");
+    }
+}