from pathlib import Path
from tempfile import TemporaryDirectory
from unittest import TestCase
from unittest.mock import patch
from station import operator_teach as points


class PointsTest(TestCase):
    def test_atomic_save_read_delete(self):
        with TemporaryDirectory() as folder:
            path=Path(folder)/'points.yaml'
            with patch.object(points,'_file',return_value=path):
                points._write('89',[{'name':'p1','utc':'test','joints':[.1]*7}])
                self.assertTrue(path.is_file())
                self.assertFalse(path.with_suffix('.yaml.tmp').exists())
                self.assertEqual(points.list_points('89')['points'][0]['name'],'p1')
                self.assertTrue(points.delete_point('89','p1')['ok'])
                self.assertEqual(points.list_points('89')['points'],[])