From 62761d7db717ebf3c547beb28ef47d2a1c313b8b Mon Sep 17 00:00:00 2001
From: Lucas Meurer <lucasmeurer96@gmail.com>
Date: Sun, 29 Sep 2024 01:20:29 +0200
Subject: [PATCH] Improve snapshot error

---
 crates/egui_kittest/src/snapshot.rs | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/crates/egui_kittest/src/snapshot.rs b/crates/egui_kittest/src/snapshot.rs
index f93868bfb760..80cc78b947be 100644
--- a/crates/egui_kittest/src/snapshot.rs
+++ b/crates/egui_kittest/src/snapshot.rs
@@ -1,3 +1,4 @@
+use std::fmt::Display;
 use std::path::{Path, PathBuf};
 
 #[derive(Debug)]
@@ -6,6 +7,16 @@ pub struct SnapshotError {
     pub diff_path: PathBuf,
 }
 
+impl Display for SnapshotError {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(
+            f,
+            "Image did not match snapshot. Diff: {}, {:?}",
+            self.diff, self.diff_path
+        )
+    }
+}
+
 /// Image snapshot test.
 ///
 /// # Errors
@@ -65,10 +76,7 @@ pub fn image_snapshot(current: image::RgbaImage, name: &str) {
     match try_image_snapshot(current, name) {
         Ok(_) => {}
         Err(err) => {
-            panic!(
-                "{name} failed. Image did not match snapshot. Diff: {}, {:?}",
-                err.diff, err.diff_path
-            );
+            panic!("{}", err);
         }
     }
 }