forked from
microcosm.blue/Allegedly
Server tools to backfill, tail, mirror, and verify PLC logs
fjall: fix mirror test to wait for backfill to receive page
+61
-54
+61
-54
tests/fjall_mirror_test.rs
+61
-54
tests/fjall_mirror_test.rs
···
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use allegedly::{
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ExperimentalConf, FjallDb, ListenConf, backfill_to_fjall, poll_upstream, serve_fjall,
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ExperimentalConf, FjallDb, ListenConf, backfill_to_fjall, bin::bin_init, poll_upstream,
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serve_fjall,
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};
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use reqwest::Url;
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use futures::TryFutureExt;
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use reqwest::{StatusCode, Url};
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use std::time::Duration;
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use tokio::sync::mpsc;
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#[tokio::test]
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async fn test_fjall_mirror_mode() -> anyhow::Result<()> {
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let _ = tracing_subscriber::fmt::try_init();
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-
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// setup
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bin_init(false);
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let temp_dir = tempfile::tempdir()?;
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let db_path = temp_dir.path().join("fjall.db");
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let db = FjallDb::open(&db_path)?;
···
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let (backfill_tx, backfill_rx) = mpsc::channel(1);
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let (upstream_tx, mut upstream_rx) = mpsc::channel(1);
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let upstream_url: Url = "https://plc.directory".parse()?;
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// spawn upstream poller
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let upstream_url: Url = "https://plc.directory/export".parse()?;
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tokio::spawn(async move {
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// poll fresh data so our data matches the upstream
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let start_at = chrono::Utc::now() - chrono::Duration::try_minutes(5).unwrap();
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let _ = poll_upstream(
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Some(start_at),
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upstream_url,
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Duration::from_millis(100),
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upstream_tx,
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)
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.await;
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tokio::spawn({
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let mut base = upstream_url.clone();
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base.set_path("/export");
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async move {
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// poll fresh data so our data matches the upstream
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let start_at = chrono::Utc::now() - chrono::Duration::try_minutes(5).unwrap();
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let _ = poll_upstream(
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Some(start_at),
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base,
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Duration::from_millis(100),
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upstream_tx,
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)
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.inspect_err(|err| log::error!("failed to poll upstream: {err}"))
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.await;
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}
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});
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// bridge: take 1 page from upstream and forward to backfill
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println!("waiting for page from upstream...");
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log::info!("waiting for page from upstream...");
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let page = upstream_rx
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.recv()
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.await
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.expect("to receive page from upstream");
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println!("received page with {} ops", page.ops.len());
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log::info!("received page with {} ops", page.ops.len());
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let sample_did = page.ops.last().unwrap().did.clone();
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println!("will check did {sample_did}");
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backfill_tx.send(page).await?;
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drop(backfill_tx); // close backfill input
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backfill_to_fjall(db.clone(), false, backfill_rx, None).await?;
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let backfill_handle = tokio::spawn(backfill_to_fjall(db.clone(), false, backfill_rx, None));
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// since we are using a channel with 1 capacity, we can wait that the backfill task received
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// the page by reserving on the channel, and then drop the sender to signal the backfill task to finish
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let _ = backfill_tx.reserve().await;
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drop(backfill_tx);
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backfill_handle.await??;
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// get free port
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// todo: should probably use a random port here but shrug
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let listener = std::net::TcpListener::bind("127.0.0.1:17548")?;
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let port = listener.local_addr()?.port();
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drop(listener);
···
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write_upstream: false,
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};
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let db_for_server = db.clone();
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let server_handle = tokio::spawn(async move {
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let upstream: Url = "https://plc.directory".parse().unwrap();
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serve_fjall(upstream, listen_conf, exp_conf, db_for_server).await
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let server_handle = tokio::spawn({
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let db = db.clone();
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let upstream = upstream_url.clone();
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serve_fjall(upstream, listen_conf, exp_conf, db)
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.inspect_err(|err| log::error!("failed to serve: {err}"))
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});
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let base_url = format!("http://127.0.0.1:{}", port);
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// wait for server to be ready (retry loop)
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// wait for server to be ready
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let client = reqwest::Client::new();
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let base_url = format!("http://127.0.0.1:{}", port);
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let mut ready = false;
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let health_url = format!("{base_url}/_health");
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let mut ready = None;
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for _ in 0..50 {
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if client
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.get(format!("{}/_health", base_url))
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.send()
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.await
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.is_ok()
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{
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ready = true;
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let resp = match client.get(&health_url).send().await {
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Ok(resp) => resp,
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Err(err) => {
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log::warn!("failed to get health: {err}");
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continue;
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}
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};
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if resp.status().is_success() {
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let json: serde_json::Value = resp.json().await?;
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ready = Some(json);
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break;
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}
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tokio::time::sleep(Duration::from_millis(100)).await;
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}
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assert!(ready, "server failed to start");
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// verify health
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let resp = client.get(format!("{}/_health", base_url)).send().await?;
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assert!(resp.status().is_success());
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let json: serde_json::Value = resp.json().await?;
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assert_eq!(json["server"], "allegedly (mirror/fjall)");
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assert!(ready.is_some(), "server failed to start");
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assert_eq!(ready.unwrap()["server"], "allegedly (mirror/fjall)");
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// verify did resolution against upstream
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let upstream_resp = client
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.get(format!("https://plc.directory/{}", sample_did))
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.send()
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.await?;
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assert!(upstream_resp.status().is_success());
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let mut doc_url = upstream_url.clone();
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doc_url.set_path(&format!("/{sample_did}"));
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let upstream_resp = client.get(doc_url).send().await?;
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assert_eq!(upstream_resp.status(), StatusCode::OK);
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let upstream_doc: serde_json::Value = upstream_resp.json().await?;
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let resp = client
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.get(format!("{}/{}", base_url, sample_did))
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.send()
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.await?;
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assert!(resp.status().is_success());
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let local_doc_url = format!("{base_url}/{sample_did}");
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let resp = client.get(local_doc_url).send().await?;
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assert_eq!(resp.status(), StatusCode::OK);
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let doc: serde_json::Value = resp.json().await?;
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assert_eq!(
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doc, upstream_doc,
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"local doc != upstream doc.\nlocal: {:#?}\nupstream: {:#?}",