polyline_walker_test.py 文件源码

def test_one_small_speed_big_precision(self):
        walk_max = self.bot.config.walk_max
        walk_min = self.bot.config.walk_min
        speed = 0.247503233266
        precision = 2.5
        dlat = 47.170635631
        dlng = 8.51673976413

        self.bot.config.walk_max = speed
        self.bot.config.walk_min = speed

        pw = PolylineWalker(self.bot, ex_dest[0], ex_dest[1], precision=precision)
        self.assertEqual(pw.dest_lat, ex_dest[0], 'dest_lat did not match')
        self.assertEqual(pw.dest_lng, ex_dest[1], 'dest_lng did not match')

        @mock.patch('random.uniform')
        def run_step(mock_random):
            mock_random.return_value = 0.0
            return pw.step()

        finishedWalking = run_step()
        self.assertFalse(finishedWalking, 'step should return False')

        distance = Geodesic.WGS84.Inverse(dlat, dlng, self.bot.position[0], self.bot.position[1])["s12"]
        self.assertTrue(0.0 <= distance <= (pw.precision + pw.epsilon))
        self.polyline._last_pos = (dlat, dlng)
        self.assertTrue(abs(self.polyline.get_alt() - self.bot.position[2]) <= 1)

        self.bot.config.walk_max = walk_max
        self.bot.config.walk_min = walk_min