def test_file_checker_no_path(mock_exit, mock_echo):
"""Test the file check informs about console output if no file is given."""
cli._file_checker("subject", None)
assert mock_echo.call_count == 1
assert "subject will be output to console." in mock_echo.call_args[0]
assert mock_exit.call_count == 0
def test_file_checker(mock_exit, mock_echo, mock_exists):
"""Test the file checker perform the required checks and prints info."""
mock_exists.return_value = False
cli._file_checker("subject", "file/path.py")
mock_exists.assert_called_once_with("file/path.py")
assert mock_echo.call_count == 1
assert "subject will be written to: file/path.py" in mock_echo.call_args[0]
assert mock_exit.call_count == 0
def test_file_checker_existing_path(mock_exit, mock_echo, mock_exists):
"""Test file checker exits with error if the file exists."""
mock_exists.return_value = True
cli._file_checker("subject", "file/path.py")
mock_exists.assert_called_once_with("file/path.py")
assert mock_echo.call_count == 1
assert ("Abort: The file/path.py file already exists."
in mock_echo.call_args[0][0])
mock_exit.assert_called_once_with(1)