update_entry updates file.

src/morethantext/mod.rs

@@ -1,7 +1,7 @@
 pub mod error;
 
 use async_std::{
-    fs::{create_dir, read, write},
+    fs::{create_dir, write},
     path::Path,
     sync::{Arc, Mutex},
 };
@@ -99,6 +99,9 @@ impl MoreThanText {
             Ok(_) => (),
             Err(err) => return Err(err),
         }
+        write(Path::new(&self.dir).join(&id), entry.to_bytes())
+            .await
+            .unwrap();
         let mut cache = self.cache.lock().await;
         cache.insert(id.to_string(), entry);
         Ok(())
@@ -177,6 +180,7 @@ mod init {
 #[cfg(test)]
 mod cache {
     use super::*;
+    use async_std::fs::read;
     use setup::MTT;
     use std::error::Error;
 
@@ -238,12 +242,12 @@ mod cache {
             .await
             .unwrap();
         let expected = "different";
-        mtt.db
-            .update_entry(&id, CacheEntry::Raw(expected.to_string()))
-            .await
-            .unwrap();
+        let expect = CacheEntry::Raw(expected.to_string());
+        mtt.db.update_entry(&id, expect.clone()).await.unwrap();
         let output = mtt.db.get_entry(&id).await.unwrap();
         assert_eq!(output.to_string(), expected);
+        let content = read(mtt.dir.path().join(DATA).join(id)).await.unwrap();
+        assert_eq!(content, expect.to_bytes());
     }
 
     #[async_std::test]