xonsh/tests/test_bashisms.py

"""Tests bashisms xontrib."""
import pytest


@pytest.mark.parametrize(
        "history, inp, exp", [
            # No history:
            ([], '!!', ''),
            ([], '!$', ''),
            ([], '!^', ''),
            ([], '!*', ''),
            ([], '!echo', ''),

            # No substitution:
            (['aa 1 2', 'ab 3 4'], "ls", "ls"),
            (['aa 1 2', 'ab 3 4'], "x = 42", "x = 42"),
            (['aa 1 2', 'ab 3 4'], '!', '!'),

            # Bang command only:
            (['aa 1 2', 'ab 3 4'], "!!", "ab 3 4"),
            (['aa 1 2', 'ab 3 4'], "!$", "4"),
            (['aa 1 2', 'ab 3 4'], "!^", "ab"),
            (['aa 1 2', 'ab 3 4'], "!*", "3 4"),
            (['aa 1 2', 'ab 3 4'], "!a", "ab 3 4"),
            (['aa 1 2', 'ab 3 4'], "!aa", "aa 1 2"),
            (['aa 1 2', 'ab 3 4'], "!ab", "ab 3 4"),

            # Bang command with others:
            (['aa 1 2', 'ab 3 4'], "echo !! >log", "echo ab 3 4 >log"),
            (['aa 1 2', 'ab 3 4'], "echo !$ >log", "echo 4 >log"),
            (['aa 1 2', 'ab 3 4'], "echo !^ >log", "echo ab >log"),
            (['aa 1 2', 'ab 3 4'], "echo !* >log", "echo 3 4 >log"),
            (['aa 1 2', 'ab 3 4'], "echo !a >log", "echo ab 3 4 >log"),
            (['aa 1 2', 'ab 3 4'], "echo !aa >log", "echo aa 1 2 >log"),
            (['aa 1 2', 'ab 3 4'], "echo !ab >log", "echo ab 3 4 >log"),
        ]
)
def test_preproc(history, inp, exp, xonsh_builtins):
    """Test the bash preprocessor."""
    from xontrib.bashisms import bash_preproc

    xonsh_builtins.__xonsh__.history.inps = history
    obs = bash_preproc(inp)
    assert exp == obs