oh-my-zsh: Add test

nixos/tests/all-tests.nix

@@ -254,6 +254,7 @@ in
   novacomd = handleTestOn ["x86_64-linux"] ./novacomd.nix {};
   nsd = handleTest ./nsd.nix {};
   nzbget = handleTest ./nzbget.nix {};
+  oh-my-zsh = handleTest ./oh-my-zsh.nix {};
   openarena = handleTest ./openarena.nix {};
   openldap = handleTest ./openldap.nix {};
   opensmtpd = handleTest ./opensmtpd.nix {};

nixos/tests/oh-my-zsh.nix

@@ -0,0 +1,18 @@
+import ./make-test-python.nix ({ pkgs, ... }: {
+  name = "oh-my-zsh";
+
+  machine = { pkgs, ... }:
+
+    {
+      programs.zsh = {
+        enable = true;
+        ohMyZsh.enable = true;
+      };
+    };
+
+  testScript = ''
+    start_all()
+    machine.succeed("touch ~/.zshrc")
+    machine.succeed("zsh -c 'source /etc/zshrc && echo $ZSH | grep oh-my-zsh-${pkgs.oh-my-zsh.version}'")
+  '';
+})

pkgs/shells/zsh/oh-my-zsh/default.nix

@@ -67,6 +67,8 @@ stdenv.mkDerivation rec {
   '';
 
   passthru = {
+    tests = { inherit (nixosTests) oh-my-zsh; };
+
     updateScript = writeScript "update.sh" ''
       #!${stdenv.shell}
       set -o errexit