From 6369b6b7a5fa2c073e23cc67328bb48e8a7a92bd Mon Sep 17 00:00:00 2001
From: Kushagra Kumar <kkushagra86@gmail.com>
Date: Tue, 20 Oct 2026 01:43:50 +0530
Subject: [PATCH] test(collab-net): exercise NetLink host in large welcome
 regression test

---
 crates/collab-net/src/loopback_tests.rs | 30 -------------------------
 crates/collab-net/src/session_tests.rs  | 16 +++++++++++++
 2 files changed, 16 insertions(+), 30 deletions(-)

diff --git a/crates/collab-net/src/loopback_tests.rs b/crates/collab-net/src/loopback_tests.rs
index b59f767c..eebda6de 100644
--- a/crates/collab-net/src/loopback_tests.rs
+++ b/crates/collab-net/src/loopback_tests.rs
@@ -708,33 +708,3 @@ fn oversized_server_message_reports_accurate_diagnostic() {
     assert!(!welcomed(&gp.events));
     host.stop();
 }
-
-#[test]
-#[ignore = "allocates a document larger than 64 MiB: cargo test -p figcraft-collab-net -- --ignored"]
-fn welcome_larger_than_64_mib_is_delivered() {
-    let mut doc = Document::new("A".repeat((64 << 20) + 4096));
-    doc.repair();
-    let probe = Probe::new();
-    let limits = NetLimits { max_client_message: 1024, max_server_message: 128 << 20, ..fast_limits() };
-    let cfg = HostConfig {
-        addr: SocketAddr::from(([127, 0, 0, 1], 0)),
-        any_port_if_taken: false,
-        file: FILE.into(),
-        token: TOKEN.into(),
-        doc,
-        name: "Hana".into(),
-        limits,
-        core: Limits { max_message_bytes: 128 << 20, ..Limits::default() },
-    };
-    let mut host = Host::start(cfg, probe.inbox.clone()).unwrap();
-    let invite = Invite::new(host.addr().to_string(), FILE, TOKEN);
-
-    let guest_probe = Probe::new();
-    let mut guest_cfg = quick(GuestConfig::new(invite, "Ada".into()));
-    guest_cfg.limits = limits;
-    let _g = Guest::start(guest_cfg, guest_probe.inbox.clone()).unwrap();
-    let mut gp = guest_probe;
-    gp.wait("welcome", welcomed);
-    assert!(welcomed(&gp.events));
-    host.stop();
-}
diff --git a/crates/collab-net/src/session_tests.rs b/crates/collab-net/src/session_tests.rs
index 32920123..de60b211 100644
--- a/crates/collab-net/src/session_tests.rs
+++ b/crates/collab-net/src/session_tests.rs
@@ -249,3 +249,19 @@ fn cursor_chat_and_spotlight_between_apps() {
     pump(&mut host, &mut guest, "the spotlight ending", |_, g| g.live().spotlight.is_none());
     pump(&mut host, &mut late, "the spotlight ending for the late joiner", |_, l| l.live().spotlight.is_none() && l.live().follow.is_none());
 }
+
+#[test]
+#[ignore = "allocates a document larger than 64 MiB: cargo test -p figcraft-collab-net -- --ignored"]
+fn welcome_larger_than_64_mib_is_delivered() {
+    let mut host = session("Hana");
+    let mut guest = session("Ada");
+    host.doc_mut().unwrap().name = "A".repeat((64 << 20) + 4096);
+    let r = host.execute("collab.host", &json!({"port": 0})).unwrap();
+    assert_eq!(r["status"], "live");
+    let link = r["link"].as_str().unwrap().to_string();
+    let r = guest.execute("collab.join", &json!({"link": link})).unwrap();
+    assert_eq!(r["status"], "connecting");
+    pump(&mut host, &mut guest, "the large welcome", |h, g| g.live().status == Status::Live && h.live().peers.len() == 1);
+    assert_eq!(guest.doc().unwrap().name.len(), (64 << 20) + 4096);
+    host.execute("collab.stop", &json!({})).unwrap();
+}