add simple stat buffer test

web3_proxy/tests/test_stat_buffer.rs

@@ -0,0 +1,65 @@
+mod common;
+
+use crate::common::influx::TestInflux;
+use moka::future::Cache;
+use tokio::sync::{broadcast, mpsc};
+use web3_proxy::{caches::UserBalanceCache, stats::StatBuffer};
+
+#[test_log::test(tokio::test)]
+async fn test_two_buffers() {
+    let i = TestInflux::spawn().await;
+
+    let billing_period_seconds = 86400 * 7;
+    let chain_id = 999_001_999;
+    let db_save_interval_seconds = 60;
+    let influxdb_bucket = Some(i.bucket.clone());
+    let influxdb_client = Some(i.client.clone());
+    let rpc_secret_key_cache = Cache::builder().build();
+    let tsdb_save_interval_seconds = 1;
+    let user_balance_cache: UserBalanceCache = Cache::builder().build().into();
+
+    let (shutdown_sender, shutdown_receiver_1) = broadcast::channel(1);
+    let shutdown_receiver_2 = shutdown_sender.subscribe();
+
+    let (flush_sender_1, flush_receiver_1) = mpsc::channel(1);
+    let (flush_sender_2, flush_receiver_2) = mpsc::channel(1);
+
+    let buffer_1 = StatBuffer::try_spawn(
+        billing_period_seconds,
+        chain_id,
+        db_save_interval_seconds,
+        influxdb_bucket.clone(),
+        influxdb_client.clone(),
+        rpc_secret_key_cache.clone(),
+        user_balance_cache.clone(),
+        shutdown_receiver_1,
+        tsdb_save_interval_seconds,
+        flush_sender_1,
+        flush_receiver_1,
+    )
+    .unwrap()
+    .unwrap();
+
+    let buffer_2 = StatBuffer::try_spawn(
+        billing_period_seconds,
+        chain_id,
+        db_save_interval_seconds,
+        influxdb_bucket,
+        influxdb_client,
+        rpc_secret_key_cache,
+        user_balance_cache,
+        shutdown_receiver_2,
+        tsdb_save_interval_seconds,
+        flush_sender_2,
+        flush_receiver_2,
+    )
+    .unwrap()
+    .unwrap();
+
+    // TODO: send things to the buffers
+
+    shutdown_sender.send(()).unwrap();
+
+    buffer_1.background_handle.await.unwrap().unwrap();
+    buffer_2.background_handle.await.unwrap().unwrap();
+}