Add a test

tests/integration.rs

@@ -0,0 +1,36 @@
+use tradaf::*;
+
+fn example_to_vec(file: &str) -> Vec<u8> {
+    use std::fs::File;
+    use std::io::prelude::*;
+
+    let mut f = File::open(file).unwrap();
+    let mut buffer = vec![];
+    f.read_to_end(&mut buffer).unwrap();
+    buffer
+}
+
+fn example_to_string(file: &str) -> String {
+    let buffer = example_to_vec(file);
+    String::from_utf8(buffer).unwrap()
+}
+
+#[test]
+fn ron_to_json() {
+    let opt = Opt {
+        input: Input::Ron,
+        output: Output::Json,
+        pretty: true,
+        no_newline: false,
+    };
+
+    let input = example_to_vec("examples/materials.ron");
+
+    let mut output = vec![];
+    transcode(opt, &mut input.as_slice(), &mut output);
+    let out = String::from_utf8(output).unwrap();
+
+    let control = example_to_string("examples/materials.json");
+
+    assert_eq!(control, out);
+}