Merge pull request #55 from mitya57/test-empty-username

Override test_empty_username from keyring 25.3.0 for file backend

tests/mocks.py

@@ -141,7 +141,7 @@ def Put(
                     delattr(self, '_put_err')
             else:
                 put_err = self._put_err
-            if type(put_err) == tuple:
+            if type(put_err) is tuple:
                 raise put_err[0](put_err[1])
             else:
                 raise put_err()
@@ -161,7 +161,7 @@ def Export(self, entry_or_id_or_url, file_path, gid=None, extra_params=None):
 
     def request(self, data, uri):
         if hasattr(self, '_request_err'):
-            if type(self._request_err) == tuple:
+            if type(self._request_err) is tuple:
                 raise self._request_err[0](self._request_err[1])
             else:
                 raise self._request_err()

tests/test_file.py

@@ -151,6 +151,10 @@ def test_version(self):
         self.save_config(config)
         assert self.keyring._check_version(config) is False
 
+    def test_empty_username(self):
+        with pytest.raises(ValueError):
+            self.set_password('service1', '', 'password1')
+
 
 @pytest.fixture(scope="class")
 def monkeyclass(request):