Added delete entry.

src/morethantext/mod.rs

@@ -1,7 +1,7 @@
 pub mod error;
 
 use async_std::{
-    fs::{create_dir, read, write},
+    fs::{create_dir, read, remove_file, write},
     path::Path,
     sync::{Arc, Mutex},
     task::{sleep, spawn},
@@ -198,6 +198,15 @@ impl MoreThanText {
         cache.insert(id.to_string(), data);
         Ok(())
     }
+
+    async fn delete_entry(&self, id: &str) {
+        let mut cache = self.cache.lock().await;
+        cache.remove(id);
+        match remove_file(Path::new(&self.filename(id))).await {
+            Ok(_) => (),
+            Err(_) => (),
+        }
+    }
 }
 
 #[cfg(test)]
@@ -429,6 +438,27 @@ mod cache {
         }
     }
 
+    #[async_std::test]
+    async fn remove_entry() {
+        let mtt = MTT::new().await;
+        let id = mtt
+            .db
+            .add_entry(CacheType::Raw("delete".to_string()))
+            .await
+            .unwrap();
+        mtt.db.delete_entry(&id).await;
+        match mtt.db.get_entry(&id).await {
+            Ok(_) => assert!(false, "Entry should be removed from cache."),
+            Err(_) => (),
+        };
+    }
+
+    #[async_std::test]
+    async fn remove_missing_entry() {
+        let mtt = MTT::new().await;
+        mtt.db.delete_entry("missing").await;
+    }
+
     #[async_std::test]
     async fn remove_older() {
         let mtt = MTT::new().await;