From cd6803412680c2d62187c6da399e6afa951970e6 Mon Sep 17 00:00:00 2001
From: h7x4 <h7x4@nani.wtf>
Date: Mon, 30 Sep 2024 18:05:50 +0200
Subject: [PATCH] lib/tests: test `filterAttrs`

---
 lib/tests/misc.nix | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/lib/tests/misc.nix b/lib/tests/misc.nix
index 116d86cdfb3fb..72b3d630b8da8 100644
--- a/lib/tests/misc.nix
+++ b/lib/tests/misc.nix
@@ -47,6 +47,7 @@ let
     evalModules
     extends
     filter
+    filterAttrs
     fix
     fold
     foldAttrs
@@ -1102,6 +1103,25 @@ runTests {
     };
   };
 
+  testFilterAttrs = {
+    expr = filterAttrs (n: v: n != "a" && (v.hello or false) == true) {
+      a.hello = true;
+      b.hello = true;
+      c = {
+        hello = true;
+        world = false;
+      };
+      d.hello = false;
+    };
+    expected = {
+      b.hello = true;
+      c = {
+        hello = true;
+        world = false;
+      };
+    };
+  };
+
   # code from example
   testFoldlAttrs = {
     expr = {