Function test_read_command_line_dynamic_prompt

tests/test_cmd2.py:4395–4418

Test that _read_command_line uses a dynamic prompt when provided prompt matches app.prompt

(base_app: cmd2.Cmd)

def test_read_command_line_dynamic_prompt(base_app: cmd2.Cmd) -> None:
    """Test that _read_command_line uses a dynamic prompt when provided prompt matches app.prompt"""

    # Mock patch_stdout to prevent it from attempting to access the Windows
    # console buffer in a Windows test environment.
    with mock.patch("cmd2.cmd2.patch_stdout"):
        # Set input to something other than DummyInput so _read_raw_input()
        # will go down the TTY route.
        mock_session = mock.MagicMock()
        mock_session.input = mock.MagicMock()
        base_app.main_session = mock_session
        base_app._read_command_line(base_app.prompt)

        # Check that mock_prompt was called with a callable for the prompt
        args, _ = mock_session.prompt.call_args
        prompt_arg = args[0]
        assert callable(prompt_arg)

        # Verify the callable returns the expected ANSI formatted prompt
        from prompt_toolkit.formatted_text import ANSI

        result = prompt_arg()
        assert isinstance(result, ANSI)
        assert result.value == ANSI(base_app.prompt).value


def test_read_input_history_isolation(base_app: cmd2.Cmd) -> None: