From f6cd240e8cb9ad48fb74655a554d14a9a1e65278 Mon Sep 17 00:00:00 2001
From: Raz Luvaton <16746759+rluvaton@users.noreply.github.com>
Date: Tue, 25 Jul 2023 11:30:30 +0300
Subject: [PATCH] test: when snapshot is missing print how to generate one

---
 test/common/assertSnapshot.js | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/test/common/assertSnapshot.js b/test/common/assertSnapshot.js
index c403751ac3ef5e..313b06653097c0 100644
--- a/test/common/assertSnapshot.js
+++ b/test/common/assertSnapshot.js
@@ -34,7 +34,17 @@ async function assertSnapshot(actual, filename = process.argv[1]) {
   if (process.env.NODE_REGENERATE_SNAPSHOTS) {
     await fs.writeFile(snapshot, actual);
   } else {
-    const expected = await fs.readFile(snapshot, 'utf8');
+    let expected;
+    try {
+      expected = await fs.readFile(snapshot, 'utf8');
+    } catch (e) {
+      if (e.code === 'ENOENT') {
+        console.log(
+          'Snapshot file does not exist. You can create a new one by running the test with NODE_REGENERATE_SNAPSHOTS=1',
+        );
+      }
+      throw e;
+    }
     assert.strictEqual(actual, replaceWindowsLineEndings(expected));
   }
 }