python3Packages.requests_oauthlib: add license and enable tests

pkgs/development/python-modules/requests-oauthlib/default.nix

@@ -1,21 +1,43 @@
-{ lib, stdenv, buildPythonPackage, fetchPypi
-, oauthlib, requests }:
+{ lib
+, buildPythonPackage
+, fetchPypi
+, mock
+, oauthlib
+, pytestCheckHook
+, requests
+, requests-mock
+}:
 
 buildPythonPackage rec {
-  version = "1.3.0";
   pname = "requests-oauthlib";
+  version = "1.3.0";
 
   src = fetchPypi {
     inherit pname version;
     sha256 = "0smaxs5ixng4z0k6dsgmm6s972ka3p6a2ykdpnl23mqzlw0ic9ml";
   };
 
-  doCheck = false;        # Internet tests fail when building in chroot
   propagatedBuildInputs = [ oauthlib requests ];
 
+  checkInputs = [
+    mock
+    pytestCheckHook
+    requests-mock
+  ];
+
+  # Exclude tests which require network access
+  disabledTests = [
+    "testCanPostBinaryData"
+    "test_content_type_override"
+    "test_url_is_native_str"
+  ];
+
+  pythonImportsCheck = [ "requests_oauthlib" ];
+
   meta = with lib; {
     description = "OAuthlib authentication support for Requests";
     homepage = "https://github.com/requests/requests-oauthlib";
+    license = with licenses; [ isc ];
     maintainers = with maintainers; [ prikhi ];
   };
 }