Big debug of pmoqobuz step 1

pmoqobuz/tests/disk_cache.rs

@@ -0,0 +1,75 @@
+#![cfg(feature = "disk-cache")]
+
+use pmoqobuz::disk_cache::{CacheStore, SqliteCacheStore};
+use std::time::Duration;
+use tokio::time::sleep;
+
+#[tokio::test]
+async fn sqlite_cache_returns_fresh_entries() -> anyhow::Result<()> {
+    let dir = tempfile::tempdir()?;
+    let path = dir.path().join("cache.sqlite");
+    let store = SqliteCacheStore::new(path)?;
+
+    let data = vec!["album".to_string()];
+    store
+        .put_json("user", "favorites_albums", "all", Duration::from_secs(3600), &data)
+        .await?;
+
+    let entry = store
+        .get_json::<Vec<String>>("user", "favorites_albums", "all")
+        .await?
+        .expect("cache entry");
+
+    assert!(entry.fresh);
+    assert_eq!(entry.value, data);
+
+    Ok(())
+}
+
+#[tokio::test]
+async fn sqlite_cache_marks_entries_as_stale_after_ttl() -> anyhow::Result<()> {
+    let dir = tempfile::tempdir()?;
+    let path = dir.path().join("cache.sqlite");
+    let store = SqliteCacheStore::new(path)?;
+
+    let data = vec!["track".to_string()];
+    store
+        .put_json("user", "favorites_tracks", "all", Duration::from_secs(1), &data)
+        .await?;
+
+    sleep(Duration::from_secs(2)).await;
+
+    let entry = store
+        .get_json::<Vec<String>>("user", "favorites_tracks", "all")
+        .await?
+        .expect("cache entry");
+
+    assert!(!entry.fresh);
+
+    Ok(())
+}
+
+#[tokio::test]
+async fn sqlite_cache_purge_expired_removes_entries() -> anyhow::Result<()> {
+    let dir = tempfile::tempdir()?;
+    let path = dir.path().join("cache.sqlite");
+    let store = SqliteCacheStore::new(path)?;
+
+    let data = vec!["playlist".to_string()];
+    store
+        .put_json("user", "user_playlists", "all", Duration::from_secs(1), &data)
+        .await?;
+
+    sleep(Duration::from_secs(2)).await;
+
+    let removed = store.purge_expired().await?;
+    assert_eq!(removed, 1);
+
+    let entry = store
+        .get_json::<Vec<String>>("user", "user_playlists", "all")
+        .await?;
+
+    assert!(entry.is_none());
+
+    Ok(())
+}