refactor override unittest

tests/test_config.py

@@ -1,3 +1,4 @@
+from typing import Any
 import pytest
 import pytest_mock
 import mock
@@ -5,27 +6,49 @@ import mock
 import yaml
 from jrnl.args import parse_args
 from jrnl.jrnl import run
-from jrnl import install
+from jrnl import install, editor
 
 
 @pytest.fixture()
 def minimal_config():
     with open("features/data/configs/editor.yaml", "r") as cfg_file:
-        yield yaml.load(cfg_file.read())
+        cfg =  yaml.load(cfg_file.read())
+    yield cfg 
+
+@pytest.fixture()
+def expected_override(minimal_config):
+    exp_out_cfg = minimal_config.copy()
+    exp_out_cfg['editor'] = 'nano'
+    exp_out_cfg['journal'] =  'features/journals/simple.journal'
+    yield exp_out_cfg
 
 
 from jrnl import jrnl
 
 
-@mock.patch.object(jrnl, "write_mode")
+
+@mock.patch('sys.stdin.isatty')
 @mock.patch.object(install, "load_or_install_jrnl")
+@mock.patch('subprocess.call')
 def test_override_configured_editor(
-    mock_load_or_install, mock_write_mode, minimal_config
+    mock_subprocess_call,
+    mock_load_or_install, 
+    mock_isatty, 
+    minimal_config, 
+    expected_override,
+    capsys
 ):
     mock_load_or_install.return_value = minimal_config
+    mock_isatty.return_value = True
+
     cli_args = ["--override", '{"editor": "nano"}']
     parser = parse_args(cli_args)
     assert parser.config_override.__len__() == 1
-    with mock.patch("subprocess.call"):
-        res = run(parser)
-    assert res == None
+    def mock_editor_launch(editor): 
+        print("%s launched! Success!"%editor)
+    with mock.patch.object(jrnl,'_write_in_editor', side_effect=mock_editor_launch(parser.config_override['editor']), return_value = 'note_contents') as mock_write_in_editor:
+        run(parser)
+    mock_write_in_editor.assert_called_once_with(expected_override)
+
+
+