From d181879da4bd6af92f447c45245fe58d7070a46f Mon Sep 17 00:00:00 2001
From: Dimitar Nestorov <8790386+dimitarnestorov@users.noreply.github.com>
Date: Wed, 29 Apr 2026 23:36:28 +0300
Subject: [PATCH] yarn-berry: add package tests

---
 pkgs/by-name/ya/yarn-berry/package.nix | 29 ++++++++++++++++++++++----
 1 file changed, 25 insertions(+), 4 deletions(-)

diff --git a/pkgs/by-name/ya/yarn-berry/package.nix b/pkgs/by-name/ya/yarn-berry/package.nix
index 1547789505b6..1237c3ae9bbb 100644
--- a/pkgs/by-name/ya/yarn-berry/package.nix
+++ b/pkgs/by-name/ya/yarn-berry/package.nix
@@ -1,6 +1,7 @@
 {
   fetchFromGitHub,
   lib,
+  pkgs,
   nodejs,
   stdenv,
   testers,
@@ -55,11 +56,31 @@ stdenv.mkDerivation (finalAttrs: {
   passthru = {
     updateScript = ./update.sh;
 
-    tests = {
-      version = testers.testVersion {
-        package = finalAttrs.finalPackage;
+    tests =
+      let
+        packageTests =
+          if berryVersion == 4 then
+            {
+              inherit (pkgs)
+                prettier
+                corepack
+                katex
+                ;
+            }
+          else
+            {
+              inherit (pkgs)
+                svgo
+                yarn-lock-converter
+                ;
+            };
+      in
+      packageTests
+      // {
+        version = testers.testVersion {
+          package = finalAttrs.finalPackage;
+        };
       };
-    };
   }
   // (callPackage ./fetcher { yarn-berry = finalAttrs; });