From 019da70c8ac20d974773ee2237d0a0d5766683c8 Mon Sep 17 00:00:00 2001
From: Hocuri <hocuri@gmx.de>
Date: Mon, 1 Sep 2025 07:52:59 +0200
Subject: [PATCH] test: When a golden test fails, print some extra info

---
 src/test_utils.rs | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/test_utils.rs b/src/test_utils.rs
index 0a5c2aa97..fd8df9fa8 100644
--- a/src/test_utils.rs
+++ b/src/test_utils.rs
@@ -984,9 +984,15 @@ impl TestContext {
                 .await
                 .unwrap_or_else(|e| panic!("Error writing {filename:?}: {e}"));
         } else {
+            let green = Color::Green.normal();
+            let red = Color::Red.normal();
             assert_eq!(
-                actual, expected,
-                "To update the expected value, run `UPDATE_GOLDEN_TESTS=1 cargo test`"
+                actual,
+                expected,
+                "{} != {} on {}'s device.\nTo update the expected value, run with `UPDATE_GOLDEN_TESTS=1` environment variable",
+                red.paint("actual chat content (shown in red)"),
+                green.paint("expected chat content (shown in green)"),
+                self.name(),
             );
         }
     }