import os

from vdirsyncer.cli.config import _resolve_conflict_via_command
from vdirsyncer.vobject import Item


def test_conflict_resolution_command():
    def check_call(command):
        command, a_tmp, b_tmp = command
        assert command == os.path.expanduser('~/command')
        with open(a_tmp) as f:
            assert f.read() == a.raw
        with open(b_tmp) as f:
            assert f.read() == b.raw

        with open(b_tmp, 'w') as f:
            f.write(a.raw)

    a = Item('UID:AAAAAAA')
    b = Item('UID:BBBBBBB')
    assert _resolve_conflict_via_command(
        a, b, ['~/command'], 'a', 'b',
        _check_call=check_call
    ).raw == a.raw
