From f55fdc6ae588f75158c3bb2cb2aa37a758156272 Mon Sep 17 00:00:00 2001
From: Peter Steinberger <steipete@gmail.com>
Date: Sat, 9 May 2026 00:43:21 +0100
Subject: [PATCH] test: simplify host hook context joining

---
 .../contracts/host-hooks.contract.test.ts      | 18 +++++++++++++++---
 1 file changed, 15 insertions(+), 3 deletions(-)

diff --git a/src/plugins/contracts/host-hooks.contract.test.ts b/src/plugins/contracts/host-hooks.contract.test.ts
index 4b5cbdb21f3..04b6458220c 100644
--- a/src/plugins/contracts/host-hooks.contract.test.ts
+++ b/src/plugins/contracts/host-hooks.contract.test.ts
@@ -60,6 +60,16 @@ function requireFirstCommandRegistration(
   return registration;
 }
 
+function joinContextFragments(...fragments: Array<string | undefined>): string {
+  const present: string[] = [];
+  for (const fragment of fragments) {
+    if (fragment) {
+      present.push(fragment);
+    }
+  }
+  return present.join("\n\n");
+}
+
 describe("host-hook fixture plugin contract", () => {
   afterEach(() => {
     setActivePluginRegistry(createEmptyPluginRegistry());
@@ -960,9 +970,11 @@ describe("host-hook fixture plugin contract", () => {
     );
 
     expect(
-      [queuedContext.prependContext, queuedContext.appendContext, hookContext?.prependContext]
-        .filter(Boolean)
-        .join("\n\n"),
+      joinContextFragments(
+        queuedContext.prependContext,
+        queuedContext.appendContext,
+        hookContext?.prependContext,
+      ),
     ).toContain("approval workflow resumed");
     expect(hookContext?.prependContext).toBe("fixture turn context");
   });