ripgrep: Add test

nixos/tests/all-tests.nix

@@ -324,6 +324,7 @@ in
   redis = handleTest ./redis.nix {};
   redmine = handleTest ./redmine.nix {};
   restic = handleTest ./restic.nix {};
+  ripgrep = handleTest ./ripgrep.nix {};
   robustirc-bridge = handleTest ./robustirc-bridge.nix {};
   roundcube = handleTest ./roundcube.nix {};
   rspamd = handleTest ./rspamd.nix {};

nixos/tests/ripgrep.nix

@@ -0,0 +1,13 @@
+import ./make-test-python.nix ({ pkgs, ... }: {
+  name = "ripgrep";
+  meta = with pkgs.stdenv.lib.maintainers; { maintainers = [ nequissimus ]; };
+
+  nodes.ripgrep = { pkgs, ... }: { environment.systemPackages = [ pkgs.ripgrep ]; };
+
+  testScript = ''
+    ripgrep.succeed('echo "abc\nbcd\ncde" > /tmp/foo')
+    assert "bcd" in ripgrep.succeed("rg -N 'bcd' /tmp/foo")
+    assert "bcd\ncde" in ripgrep.succeed("rg -N 'cd' /tmp/foo")
+    assert "ripgrep ${pkgs.ripgrep.version}" in ripgrep.succeed("rg --version | head -1")
+  '';
+})

pkgs/tools/text/ripgrep/default.nix

@@ -1,4 +1,5 @@
 { stdenv
+, nixosTests
 , fetchFromGitHub
 , rustPlatform
 , asciidoctor
@@ -34,6 +35,8 @@ rustPlatform.buildRustPackage rec {
     installShellCompletion --zsh complete/_rg
   '';
 
+  passthru.tests = { inherit (nixosTests) ripgrep; };
+
   meta = with stdenv.lib; {
     description = "A utility that combines the usability of The Silver Searcher with the raw speed of grep";
     homepage = "https://github.com/BurntSushi/ripgrep";