add test code to access static global state

src/api3.rs

@@ -1,6 +1,8 @@
 use failure::*;
-//use std::collections::HashMap;
 
+use std::collections::HashMap;
+use lazy_static::lazy_static;
+use std::sync::{Arc, Mutex};
 
 use crate::api::schema::*;
 use crate::api::router::*;
@@ -9,6 +11,29 @@ use serde_json::{json, Value};
 pub mod config;
 mod version;
 
+use crate::backup::datastore::*;
+
+lazy_static!{
+    static ref datastore_map: Mutex<HashMap<String, Arc<DataStore>>> =  Mutex::new(HashMap::new());
+}
+
+fn lookup_datastore(name: &str) -> Result<Arc<DataStore>, Error> {
+
+    let mut map = datastore_map.lock().unwrap();
+
+    if let Some(datastore) = map.get(name) {
+        return Ok(datastore.clone());
+    }
+
+    if let Ok(datastore) = DataStore::open(name)  {
+        let datastore = Arc::new(datastore);
+        map.insert(name.to_string(), datastore.clone());
+        return Ok(datastore);
+    }
+
+    bail!("store not found");
+}
+
 fn test_sync_api_handler(param: Value, _info: &ApiMethod) -> Result<Value, Error> {
     println!("This is a test {}", param);
 
@@ -23,7 +48,6 @@ fn test_sync_api_handler(param: Value, _info: &ApiMethod) -> Result<Value, Error
     if let Some(_force) = param["force"].as_bool() {
     }
 
-
     Ok(json!(null))
 }