clean up unit tests

Author: ohmayr

.generator/test_cli.py

@@ -54,15 +54,14 @@ def test_handle_build_dry_run():
 def test_read_valid_json(mocker):
     """Tests reading a valid JSON file."""
     mock_content = '{"key": "value"}'
-    mocker.patch("os.path.exists", return_value=True)
     mocker.patch("builtins.open", mocker.mock_open(read_data=mock_content))
     result = _read_json_file("fake/path.json")
     assert result == {"key": "value"}
 
 
 def test_file_not_found(mocker):
     """Tests behavior when the file does not exist."""
-    mocker.patch("os.path.exists", return_value=False)
+    mocker.patch("builtins.open", side_effect=FileNotFoundError("No such file"))
 
     with pytest.raises(FileNotFoundError):
         _read_json_file("non/existent/path.json")
@@ -71,19 +70,7 @@ def test_file_not_found(mocker):
 def test_invalid_json(mocker):
     """Tests reading a file with malformed JSON."""
     mock_content = '{"key": "value",}'
-    mocker.patch("os.path.exists", return_value=True)
     mocker.patch("builtins.open", mocker.mock_open(read_data=mock_content))
 
     with pytest.raises(json.JSONDecodeError):
         _read_json_file("fake/path.json")
-
-
-def test_io_error_on_read(mocker):
-    """Tests for a generic IOError."""
-    mocker.patch("os.path.exists", return_value=True)
-    mocked_open = mocker.mock_open()
-    mocked_open.side_effect = IOError("permission denied")
-    mocker.patch("builtins.open", mocked_open)
-
-    with pytest.raises(IOError):
-        _read_json_file("fake/path.json")