pythonPackages.stem: run unit tests

pkgs/development/python-modules/stem/default.nix

@@ -1,4 +1,4 @@
-{ lib, buildPythonPackage, fetchPypi }:
+{ lib, buildPythonPackage, fetchPypi, python, mock }:
 
 buildPythonPackage rec {
   pname = "stem";
@@ -9,6 +9,18 @@ buildPythonPackage rec {
     sha256 = "1va9p3ij7lxg6ixfsvaql06dn11l3fgpxmss1dhlvafm7sqizznp";
   };
 
+  postPatch = ''
+    rm test/unit/installation.py
+    sed -i "/test.unit.installation/d" test/settings.cfg
+  '';
+
+  checkInputs = [ mock ];
+
+  checkPhase = ''
+    touch .gitignore
+    ${python.interpreter} run_tests.py -u
+  '';
+
   meta = with lib; {
     description = "Controller library that allows applications to interact with Tor";
     homepage = https://stem.torproject.org/;