From 5ebf782cfa8deaacbf42f7a9af6998d6dc6b1804 Mon Sep 17 00:00:00 2001
From: cwyc <16950437+cwyc@users.noreply.github.com>
Date: Sat, 9 Apr 2022 17:52:04 -0400
Subject: [PATCH] tests for wrapper code to do: tests for patched code will be
 squashed before merge

---
 .../setup-hooks/wrap-gapps-hook/default.nix   | 23 +++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/pkgs/build-support/setup-hooks/wrap-gapps-hook/default.nix b/pkgs/build-support/setup-hooks/wrap-gapps-hook/default.nix
index c1e5e2fbd2a94..535db9a04dbc6 100644
--- a/pkgs/build-support/setup-hooks/wrap-gapps-hook/default.nix
+++ b/pkgs/build-support/setup-hooks/wrap-gapps-hook/default.nix
@@ -68,6 +68,29 @@ makeSetupHook {
         ''
       );
 
+      # Stopgap as no modules have been packaged yet
+      mock-pixbuf-module = stdenv.mkDerivation {
+        name = "mock-gdk-pixbuf-module";
+        outputs = ["lib"];
+        builder = ''
+          mkdir -p $lib/$(dirname ${gdk-pixbuf.cacheFile})
+          touch $lib/${gdk-pixbuf.cacheFile}
+        '';
+      };
+
+      pixbuf-modules = basic.overrideAttrs (old: {extraGdkPixbufModules = [mock-pixbuf-module];});
+
+      pixbuf-modules-check = let
+        tested = pixbuf-modules;
+      in testLib.runTest "pixbuf-modules-check" ''
+        ${expectSomeLineContainingYInFileXToMentionZ "${tested}/bin/foo" "GDK_PIXBUF_MODULE_FILE=" "${gdk-pixbuf}/${gdk-pixbuf.cacheFile}"}
+        ${expectSomeLineContainingYInFileXToMentionZ "${tested}/bin/foo" "GDK_PIXBUF_MODULE_FILE=" "${librsvg}/${gdk-pixbuf.cacheFile}"}
+        ${expectSomeLineContainingYInFileXToMentionZ "${tested}/bin/foo" "GDK_PIXBUF_MODULE_FILE=" "${mock-pixbuf-module}/${gdk-pixbuf.cacheFile}"}
+        ${expectSomeLineContainingYInFileXToMentionZ "${tested}/libexec/bar" "GDK_PIXBUF_MODULE_FILE=" "${gdk-pixbuf}/${gdk-pixbuf.cacheFile}"}
+        ${expectSomeLineContainingYInFileXToMentionZ "${tested}/libexec/bar" "GDK_PIXBUF_MODULE_FILE=" "${librsvg}/${gdk-pixbuf.cacheFile}"}
+        ${expectSomeLineContainingYInFileXToMentionZ "${tested}/libexec/bar" "GDK_PIXBUF_MODULE_FILE=" "${mock-pixbuf-module}/${gdk-pixbuf.cacheFile}"}
+      '';
+
       # Simple derivation containing a gobject-introspection typelib.
       typelib-Mahjong = stdenv.mkDerivation {
         name = "typelib-Mahjong";