borgmatic/tests/unit/config/test_constants.py

import pytest
from flexmock import flexmock

from borgmatic.config import constants as module


@pytest.mark.parametrize(
    'value,expected_value',
    (
        ('3', 3),
        ('0', 0),
        ('-3', -3),
        ('1234', 1234),
        ('true', True),
        ('True', True),
        ('false', False),
        ('False', False),
        ('thing', 'thing'),
        ({}, {}),
        ({'foo': 'bar'}, {'foo': 'bar'}),
        ([], []),
        (['foo', 'bar'], ['foo', 'bar']),
    ),
)
def test_coerce_scalar_converts_value(value, expected_value):
    assert module.coerce_scalar(value) == expected_value


def test_apply_constants_with_empty_constants_passes_through_value():
    assert module.apply_constants(value='thing', constants={}) == 'thing'


@pytest.mark.parametrize(
    'value,expected_value',
    (
        (None, None),
        ('thing', 'thing'),
        ('{foo}', 'bar'),
        ('abc{foo}', 'abcbar'),
        ('{foo}xyz', 'barxyz'),
        ('{foo}{baz}', 'barquux'),
        ('{int}', '3'),
        ('{bool}', 'True'),
        (['thing', 'other'], ['thing', 'other']),
        (['thing', '{foo}'], ['thing', 'bar']),
        (['{foo}', '{baz}'], ['bar', 'quux']),
        ({'key': 'value'}, {'key': 'value'}),
        ({'key': '{foo}'}, {'key': 'bar'}),
        ({'key': '{inject}'}, {'key': 'echo hi; naughty-command'}),
        ({'before_backup': '{inject}'}, {'before_backup': "'echo hi; naughty-command'"}),
        ({'after_backup': '{inject}'}, {'after_backup': "'echo hi; naughty-command'"}),
        ({'on_error': '{inject}'}, {'on_error': "'echo hi; naughty-command'"}),
        (3, 3),
        (True, True),
        (False, False),
    ),
)
def test_apply_constants_makes_string_substitutions(value, expected_value):
    flexmock(module).should_receive('coerce_scalar').replace_with(lambda value: value)
    constants = {
        'foo': 'bar',
        'baz': 'quux',
        'int': 3,
        'bool': True,
        'inject': 'echo hi; naughty-command',
    }

    assert module.apply_constants(value, constants) == expected_value