almost a unittest

src/main.rs

@@ -1,3 +1,36 @@
+use serde::{Serialize, Deserialize};
+
 fn main() {
     println!("Hello, world!");
 }
+
+#[derive(Debug, PartialEq, Serialize, Deserialize)]
+struct Storage {
+   adds: []Add,
+}
+
+struct Add {
+   t: i64,
+   add: String,
+   tag: String,
+}
+
+fn load_storage(path: String) -> Result<Storage, String> {
+   Err("failed".to_string())
+}
+
+#[cfg(test)]
+mod tests {
+   use super::*;
+
+   #[test]
+   fn test_testdata_standalone_yaml() {
+      assert_eq!(
+         load_storage("./testdata/standalone.yaml".to_string()).expect("cant load standalone.yaml"),
+         Storage{adds: {
+            Add{t: 1, add: "def".to_string(), tag: "abc".to_string()},
+            Add{t: 2, add: "ghi".to_string(), tag: "".to_string()},
+         }},
+      );
+   }
+}