ucg: rewrite tests

The tests can be easily done in the local machine, there is no necessity of
starting a virtual machine for them.

nixos/tests/all-tests.nix

@@ -453,8 +453,8 @@ in
   tinc = handleTest ./tinc {};
   tinydns = handleTest ./tinydns.nix {};
   tor = handleTest ./tor.nix {};
-  # traefik test relies on docker-containers
   trac = handleTest ./trac.nix {};
+  # traefik test relies on docker-containers
   traefik = handleTestOn ["x86_64-linux"] ./traefik.nix {};
   trafficserver = handleTest ./trafficserver.nix {};
   transmission = handleTest ./transmission.nix {};
@@ -466,7 +466,6 @@ in
   turbovnc-headless-server = handleTest ./turbovnc-headless-server.nix {};
   tuxguitar = handleTest ./tuxguitar.nix {};
   ucarp = handleTest ./ucarp.nix {};
-  ucg = handleTest ./ucg.nix {};
   udisks2 = handleTest ./udisks2.nix {};
   unbound = handleTest ./unbound.nix {};
   unit-php = handleTest ./web-servers/unit-php.nix {};

nixos/tests/ucg.nix

@@ -1,18 +0,0 @@
-import ./make-test-python.nix ({ pkgs, ... }: {
-  name = "ucg";
-  meta = with pkgs.lib.maintainers; {
-    maintainers = [ AndersonTorres ];
-  };
-
-  machine = { pkgs, ... }: {
-    environment.systemPackages = [ pkgs.ucg ];
-  };
-
-  testScript = ''
-    machine.succeed("echo 'Lorem ipsum dolor sit amet\n2.7182818284590' > /tmp/foo")
-    assert "dolor" in machine.succeed("ucg 'dolor' /tmp/foo")
-    assert "Lorem" in machine.succeed("ucg --ignore-case 'lorem' /tmp/foo")
-    machine.fail("ucg --word-regexp '2718' /tmp/foo")
-    machine.fail("ucg 'pisum' /tmp/foo")
-  '';
-})

pkgs/tools/text/ucg/default.nix

@@ -3,14 +3,11 @@
 , pkg-config
 , autoreconfHook
 , pcre
-, nixosTests
 }:
 
-let
+stdenv.mkDerivation rec {
   pname = "ucg";
-  version = "20190225";
-in stdenv.mkDerivation {
-  inherit pname version;
+  version = "0.3.3+date=2019-02-25";
 
   src = fetchFromGitHub {
     owner = "gvansickle";
@@ -19,8 +16,29 @@ in stdenv.mkDerivation {
     sha256 = "sha256-/wU1PmI4ejlv7gZzZNasgROYXFiDiIxE9BFoCo6+G5Y=";
   };
 
-  nativeBuildInputs = [ autoreconfHook pkg-config ];
-  buildInputs = [ pcre ];
+  nativeBuildInputs = [
+    autoreconfHook
+    pkg-config
+  ];
+
+  buildInputs = [
+    pcre
+  ];
+
+  doInstallCheck = true;
+  installCheckPhase = ''
+    runHook preInstallCheck
+
+    testFile=$(mktemp /tmp/ucg-test.XXXX)
+    echo -ne 'Lorem ipsum dolor sit amet\n2.7182818284590' > $testFile
+    $out/bin/ucg 'dolor' $testFile || { rm $testFile; exit -1; }
+    $out/bin/ucg --ignore-case 'lorem' $testFile || { rm $testFile; exit -1; }
+    $out/bin/ucg --word-regexp '2718' $testFile && { rm $testFile; exit -1; }
+    $out/bin/ucg 'pisum' $testFile && { rm $testFile; exit -1; }
+    rm $testFile
+
+    runHook postInstallCheck
+  '';
 
   meta = with lib; {
     homepage = "https://github.com/gvansickle/ucg/";
@@ -36,7 +54,5 @@ in stdenv.mkDerivation {
     platforms = with platforms; unix;
     broken = stdenv.isAarch64; # cpuid.h: no such file or directory
   };
-
-  passthru.tests = { inherit (nixosTests) ucg; };
 }
 # TODO: report upstream