From eb71492d0dfa4c4f2e931ccc3153b4825001ce97 Mon Sep 17 00:00:00 2001
From: Shakker <shakkerdroid@gmail.com>
Date: Fri, 8 May 2026 18:10:13 +0100
Subject: [PATCH] test: tighten canvas snapshot file assertion

---
 extensions/canvas/src/cli.test.ts | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/extensions/canvas/src/cli.test.ts b/extensions/canvas/src/cli.test.ts
index 2dd089a91a1..32cb87b2555 100644
--- a/extensions/canvas/src/cli.test.ts
+++ b/extensions/canvas/src/cli.test.ts
@@ -68,8 +68,12 @@ describe("canvas CLI", () => {
       }),
     );
     expect(writtenFiles).toHaveLength(1);
-    expect(writtenFiles[0]?.filePath).toMatch(/openclaw-canvas-snapshot-.*\.png$/);
-    expect(writtenFiles[0]?.base64).toBe("aGk=");
+    const [writtenFile] = writtenFiles;
+    if (!writtenFile) {
+      throw new Error("Expected canvas snapshot file");
+    }
+    expect(writtenFile.filePath).toMatch(/openclaw-canvas-snapshot-.*\.png$/);
+    expect(writtenFile.base64).toBe("aGk=");
     expect(runtime.log).toHaveBeenCalledWith(expect.stringMatching(/^MEDIA:.*\.png$/));
   });
 });