almost a unittest

.gitignore

@@ -1 +1,2 @@
 **/*.sw*
+/target/

Cargo.lock

@@ -0,0 +1,119 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
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+ "ryu",
+ "serde",
+ "unsafe-libyaml",
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+ "serde",
+ "serde_yaml",
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Cargo.toml

@@ -6,3 +6,5 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+serde = { version = "1.0.193", features = ["derive"] }
+serde_yaml = "0.9.27"

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()},
+         }},
+      );
+   }
+}