Working on a testing method

src/test.rs

@@ -0,0 +1,77 @@
+use std::{
+    fs::File,
+    io::{Read, Stderr, Stdout},
+    process::{Command, Stdio},
+};
+
+#[test]
+fn compare_tools() {
+    let targets = vec!["rust"];
+    for target in targets {
+        std::fs::remove_dir_all("./tests").unwrap();
+        std::fs::create_dir_all("./tests").unwrap();
+
+        Command::new("cargo")
+            .arg("run")
+            .arg("--")
+            .arg("compile")
+            .arg("--verbose")
+            .arg("examples/test.jrpc")
+            .arg("-o")
+            .arg(target.to_string() + ":tests/rust")
+            .stdout(Stdio::null())
+            .stderr(Stdio::null())
+            .spawn()
+            .expect("Failed to spawn process")
+            .wait()
+            .unwrap();
+
+        Command::new("node")
+            .arg("JsonRPC/lib/jrpc.js")
+            .arg("compile")
+            .arg("--verbose")
+            .arg("examples/test.jrpc")
+            .arg("-o")
+            .arg(target.to_string() + ":tests/js")
+            .stdout(Stdio::null())
+            .stderr(Stdio::null())
+            .spawn()
+            .expect("Failed to spawn process")
+            .wait()
+            .unwrap();
+
+        let rust_files = walkdir::WalkDir::new("tests/rust")
+            .into_iter()
+            .map(|e| e.unwrap())
+            .filter(|e| e.file_type().is_file())
+            .collect::<Vec<_>>();
+
+        let js_files = walkdir::WalkDir::new("tests/js")
+            .into_iter()
+            .map(|e| e.unwrap())
+            .filter(|e| e.file_type().is_file())
+            .collect::<Vec<_>>();
+
+        if rust_files.len() != js_files.len() {
+            panic!("Number of files mismatch");
+        }
+
+        for (rust_file, js_file) in rust_files.iter().zip(js_files.iter()) {
+            println!("Testing files {:?} {:?}", rust_file.path(), js_file.path());
+            let mut rust_str = String::new();
+            File::open(rust_file.path())
+                .unwrap()
+                .read_to_string(&mut rust_str)
+                .unwrap();
+            let mut js_str = String::new();
+            File::open(js_file.path())
+                .unwrap()
+                .read_to_string(&mut js_str)
+                .unwrap();
+
+            if rust_str != js_str {
+                panic!("Files are different!")
+            }
+        }
+    }
+}