feat(hololake): complete public runtime loop

product-source/hololake-clean-desktop/src-tauri/src/storage.rs

@@ -16,6 +16,12 @@ pub fn now() -> String {
         .map(|d| format!("{}.{:03}Z", d.as_secs(), d.subsec_millis()))
         .unwrap_or_else(|_| "0Z".into())
 }
+pub fn now_unix_ms() -> u128 {
+    SystemTime::now()
+        .duration_since(UNIX_EPOCH)
+        .map(|duration| duration.as_millis())
+        .unwrap_or(0)
+}
 pub fn id(prefix: &str) -> String {
     format!("{}-{}", prefix, UuidPart::new())
 }
@@ -35,6 +41,14 @@ pub fn sha(bytes: &[u8]) -> String {
 }
 
 pub fn root(app: &AppHandle) -> Result<PathBuf, String> {
+    if let Some(value) = std::env::var_os("HOLOLAKE_RUNTIME_TEST_ROOT") {
+        let path = PathBuf::from(value);
+        if !path.is_absolute() || !path.starts_with(std::env::temp_dir()) {
+            return Err("HOLOLAKE_RUNTIME_TEST_ROOT_OUT_OF_SCOPE".into());
+        }
+        fs::create_dir_all(&path).map_err(|e| e.to_string())?;
+        return Ok(path);
+    }
     let p = app
         .path()
         .app_data_dir()
@@ -43,10 +57,10 @@ pub fn root(app: &AppHandle) -> Result<PathBuf, String> {
     fs::create_dir_all(&p).map_err(|e| e.to_string())?;
     Ok(p)
 }
-fn read_json<T: serde::de::DeserializeOwned>(p: &Path) -> Result<T, String> {
+pub fn read_json<T: serde::de::DeserializeOwned>(p: &Path) -> Result<T, String> {
     serde_json::from_slice(&fs::read(p).map_err(|e| e.to_string())?).map_err(|e| e.to_string())
 }
-fn write_json<T: serde::Serialize>(p: &Path, v: &T) -> Result<(), String> {
+pub fn write_json<T: serde::Serialize + ?Sized>(p: &Path, v: &T) -> Result<(), String> {
     if let Some(x) = p.parent() {
         fs::create_dir_all(x).map_err(|e| e.to_string())?
     }